CN101457222A - 用于抑制和杀灭耐药性细菌的双链小分子干扰核酸及其组合 - Google Patents
用于抑制和杀灭耐药性细菌的双链小分子干扰核酸及其组合 Download PDFInfo
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Abstract
本发明涉及用于抑制和杀灭耐甲氧西林金黄色葡萄球菌为代表的各种耐药性细菌的双链小分子干扰核酸。本发明所述的siNA为双链分子,有19个碱基配对,正义链和反义链各自在5’末端有两个突出碱基dT,GC含量为40-55%;所针对的靶序列选自金黄色葡萄球菌基因组中与复制、转录、翻译等生命活动的有关基因,以及与耐药性相关的mecA基因;所述靶序列在90%以上的金黄色葡萄球菌株中保守的且与人体基因组中的所有基因序列不同源的序列区域;所述的siNA双链分子的靶序列选自SEQ ID NO.1-325,正义链是与靶序列一一对应的DNA或RNA序列,反义链是根据碱基互补原则与正义链序列一一相应的RNA或DNA。
Description
技术领域
本发明属于分子生物学领域,涉及用于抑制和杀灭超级细菌如耐甲氧西林金黄色葡萄球菌(MRSA)为代表的各种耐药性细菌的双链小分子干扰核酸。
背景技术
自上世纪60年代初首次发现耐甲氧西林性金黄色葡萄球菌(methicillin-resistantStaphylococcus aureus,MRSA)以来,这类细菌的感染至今已在环境中广泛存在,几乎遍及全球。到上世纪80年代后期,已成为引起全球性医院内感染的最主要的病原菌。有资料表明,20%的肺炎、40%的菌血症和49%的伤口感染由MRSA引起。上述疾病的死亡率,一般在10-30%,有时可高达50%。估计全球有多达1/3的人带有致命的超级细菌。随着抗生素的广泛应用,新的具有多重耐药的MRSA不断产生。过去一般用万古霉素来治疗MRSA,但现已发现了具有多重耐药性且又耐万古霉素的MRSA。长此以往,如果仍沿当前的临床药物的策略来治疗,人类将有可能失去对MRSA感染的“最后一道防线”。因此,有人认为MRSA是目前世界三大最难解决的感染性疾病之首,其次是乙肝和艾滋病。
除MRSA以外,其他的多种细菌性病菌也发现耐药性变异。细菌可对一种或多种抗生素或药物产生耐药性。这也开始成为世界范围的一个十分重要的预防和临床治疗的难题。如在上世纪50-60年代,结核病耐药菌的出现,就已致使结核病疫情在全球“死灰复燃”,而且有愈演愈烈的趋势,其他的各种细菌性病害,如霍乱,伤寒,鼠疫等,也因其产生细菌基因的变异而获得新的耐药性或新的毒力,也存在着潜在性重新流行的威胁。对所有上述的细菌性病害重新发生的情况,人类虽有所警觉,但至今尚未有确切可靠的对付的办法。
1998年2月,FireA et al.发现双链RNA(dsRNA)在线虫(Caenorhabditis elegans)中能够高效特异性阻断相应基因的表达。他们将这一现象称为RNA干扰(RNA interference,简称RNAi)。随后在果蝇、真菌、昆虫、植物等生物体及哺乳动物细胞中发现了RNAi现象。这种广泛性的存在表明RNAi很可能出现在生命进化的早期阶段。随着研究的不断深入,RNAi的机制正逐步地被阐明,同时亦成为功能基因组研究领域中的有力工具,RNAi也越来越被重视,自2001年起连续三年被《Science》杂志评为十大科学成就之一。2006年,FireA et al.因发现RNAi现象而获得生物医学诺贝尔奖。
研究表明,RNAi具有较高的特异性,能够非常特异地降解与其序列相应的单个内源基因的mRNA,且抑制基因表达的效率很高,相对少量的dsRNA就可以使表型达到缺失突变体程度,但dsRNA需要一个最小的长度才能产生有效地干扰效果。因此,用siRNA代替传统反义核酸进行转录后基因沉默,RNAi技术的应用领域已经从基因组学研究逐步扩展到医学领域并作为基因治疗手更有效地手段。利用RNAi不仅能提供一种经济、快捷、高效的抑制基因表达的技术手段,而且在基因功能测定和基因治疗等方面开辟一条新的更有效地策略,因此具有非常广阔的应用前景。并将为人类创造亿万价值的新药。现已证明应用siRNA策略可以预防和治疗病毒病的药物。(Fischel L.TAN,Jemes Q.Yin.RNAi,a new therapeutic stategyagainst viral infection.Cell research.2004.14(6):460-466.GreGory J.Hannon.Insignt new articles:RNA interference.Nature.2002.418:244-250.)
但是RNAi策略是否对细菌病有作用,至今尚未能确定。虽然在仅有的文献中,Yanagihara等(2005)使用一个MRSA菌株发现了靶向的siRNA可以在体内(in vivo)有效地抑制MRSA凝固酶基因的表达。但在他们进行的体外(in vitro)实验中没有发现siRNA实验组与对照组在细菌数量上的差别。仅在他们的动物模型(Murine infection Model)中,发现对照组与siRNA组MRSA的细菌数量分别为7.64e0.42和6.29e0.23 Log cfu/ml。虽然有这种差别,但不足证明siRNA可有效抑制和杀灭MRSA。
发明内容
本发明的目的是应用RNAi策略的基本原理,提供一种双链小分子干扰核酸(siNA)及其配套技术,能有效抑制和杀灭包括耐甲氧西林性金黄色葡萄球菌(MRSA)在内的各种耐药性细菌,可用于预防与治疗由以MRSA为代表的具多重耐药性基因变异细菌引起的疾病。
本发明所述的用于抑制和杀灭各种耐药性细菌的双链小分子干扰核酸即siNA为双链分子,有19个碱基配对,正义链和反义链各自在5’末端有两个突出碱基dT,GC含量为40-55%,包括双链RNA、双链DNA、RNA/DNA、DNA/RNA;所针对的靶序列选自金黄色葡萄球菌基因组中与复制,转录,翻译等生命关键性活动的有关基因,以及与耐药性相关的mecA基因;所述靶序列在90%以上的金黄色葡萄球菌株中保守的且与人体基因组中的所有基因序列不同源的序列区域;所述的siNA双链分子的靶序列选自SEQ ID NO.1-325,正义链是与靶序列一一对应的DNA或RNA序列,反义链是根据碱基互补原则与正义链序列一一相应的RNA或DNA。
所述的与复制,转录,翻译等生命活动的有关基因优选是rpoA基因、ftsZ基因、infB基因、murA基因、dnaA基因;所述的与耐药性相关的基因优选是mecA基因;优选的靶序列中,SEQ ID NO.1-56是来自rpoA基因,SEQ ID NO.57-107是来自ftsZ基因,SEQ IDNO.108-176是来自infB基因,SEQ ID NO.177-234是来自murA基因,SEQ ID NO.235-298是来自dnaA基因,SEQ ID NO.299-325是来自mecA基因。
本发明还提供了所述的双链小分子干扰核酸的组合,该组合是与靶序列SEQ IDNO.1-325一一对应的siNA双链分子的两条或两条以上的相互组合。
所述的双链小分子干扰核酸的优选组合,是所述的siNA双链分子根据针对的靶序列所在基因分为以下各组:
(1)所述的靶序列中SEQ ID NO.1-56是来自rpoA基因;
(2)所述的靶序列中SEQ ID NO.57-107是来自ftsZ基因;
(3)所述的靶序列中SEQ ID NO.108-176是来自infB基因;
(4)所述的靶序列中SEQ ID NO.177-234是来自murA基因;
(5)所述的靶序列中SEQ ID NO.235-298是来自dnaA基因;以及
(6)所述的靶序列中SEQ ID NO.299-325是来自mecA基因;
上述同组siNA双链分子的两条或两条以上相互组合,或者是上述不同组siNA双链分子的两条或两条以上相互组合。
本发明还提供了所述的双链小分子干扰核酸的筛选方法,其包括以下步骤:
1)对所有金黄色葡萄球菌株基因组进行同源性比对后,选取在90%以上的金黄色葡萄球菌株中保守的序列区域作为靶序列;
2)剔除容易形成二级结构而使siNA分子难以接近的靶序列;
3)剔除与人体基因组中的所有基因序列同源的靶序列;
4)在上述靶序列中选取长度为19bp的序列;
5)计算GC含量,选取GC含量为40-55%左右的序列;
6)经上述筛选得到候选siNA的靶位点,设计出相应的siNA,然后通过抑制金黄色葡萄球菌生长实验进行筛选,得到有效抑制或杀灭金黄色葡萄球菌的siNA序列。
本发明还提供了所述的双链小分子干扰核酸用于制备预防与治疗以耐甲氧西林性金黄色葡萄球菌MRSA为代表的具多重耐药性基因变异的细菌引起的疾病的药物的用途。
本发明还提供了所述双链小分子干扰核酸的组合用于制备预防与治疗以耐甲氧西林性金黄色葡萄球菌MRSA为代表的具多重耐药性基因变异细菌引起的疾病的药物的用途。
围绕RNAi策略能否成功地十分有效地抑制甚至杀灭以MRSA为代表的具多重耐药性基因变异的突变菌这一中心议题,本发明进行了以下问题的研究并建立和发明了一套较系统的能真正应用的siNA,以及其组合与筛选方法。这一套技术由于同时在MRSA的标准株及三个临床分离株上获得成功,故可认为具有广泛应用的前景。
1.参照当前国内外已有的设计siNA的原理和先进经验,针对MRSA基因组中,对细菌中涉及如复制,转录,翻译等重要生命活动的有关基因,如rpoA基因,ftsZ基因,infB基因,murA基因,dnaA基因等,设计出系列的小分子核酸并找出十分有效地抑制和杀死MRSA的siNA。
2.参照当前国内外已有的设计siNA的原理和先进经验,针对选择导致金黄色葡萄球菌产生甲氧西林耐药性突变的mecA基因作为靶基因,设计并找出能沉默该耐药性基因的siNA,这样便可以应用这些siNA于耐药性靶基因,从而可逆转该病菌的耐药性,使药物恢复原有的对病菌的有效抑制或杀灭作用。
3.在上述基础上,通过实验发现并证实在不同形式但内容相同的四种双链小分子核酸siNA(包括+RNA/-RNA(双链RNA),+DNA/-DNA(双链DNA),+RNA/-DNA(正义链为RNA,负义链为DNA),+DNA/-RNA(正义链为DNA,负义链为RNA))中,-RNA/+DNA抑菌和杀菌效果最好。
4.通过研究发现并确定在抑制或杀灭MRSA的过程中所使用的siNA的浓度是有效性的一个十分重要因素。发明人通过实验发现,在细菌体内能沉默基因的相关靶向siNA的有效浓度(不小于2.3nmol/ml),比在许多生物体如哺乳动物,甚至病毒的浓度要明显偏高。
5.发现应用上述两大类的siNA作用于不同的MRSA菌株(包括标准株ATCC25923、谈延娥株、关沃株、姚贵顺株、何杰昌株)均有类似的抑菌和杀菌作用,从而证明了这一发明具有一定的普遍意义。
6.综上所述的发明内容,我们可看出:本专利发明的技术不仅可以十分有效地通过沉默对MRSA生命活动的关键基因,从而有效地抑制或甚至杀灭MRSA。另外,通过成功地控制MRSA的耐药性突变,可以成功地使能不断发生的耐药性突变基因沉默,从而使耐药菌株重新失去耐药性性质,使原来本已失去药效的抗生素重新恢复抑菌或杀菌的功能。使用上述任一条技术路线,或者将两条技术路线结合起来应用于新药的研制和开发,人类肯定将能控制好现有的及不断产生的新的超级细菌的危害。
7.根据所有的细菌生物体具有基本共同的生物学规律,因此本发明专利所发现和确定的技术和原则,基本适应于所有的细菌,包括肺结核菌,伤寒沙门菌,血喉棒状杆菌,破伤风杆菌等的预防和治疗药物的研制与开发。
综上所述,本发明所述的用于抑制和杀灭超级细菌——耐甲氧西林金黄色葡萄球菌(简称MRSA)以及各种耐药性细菌的双链小分子干扰核酸,可有效地解决超级细菌以及其他各种耐药性细菌病对人类健康造成的巨大的现实的以及潜在的威胁,属于生物医药技术的一个十分重要的、至今尚未有解决苗头的全新的突破。
附图说明
图1为siNA 1对MRSA的抑制效果。
图2为siNA 60对MRSA的抑制效果。
图3为siNA 108对MRSA的抑制效果。
图4为siNA 177对MRSA的抑制效果。
图5为siNA 235对MRSA的抑制效果。
图6为siNA 305对MRSA的抑制效果。
具体实施方式
实施例一:靶位点的设计
本发明采取以下全部或大多数原则来选择靶序列,进行设计siNA:
1、选取长度为18-25bp的序列;
2、计算GC含量,选取GC含量为40-55%左右的序列;
3、在90%以上的金黄色葡萄菌株中,同一基因的靶序列的大部分碱基都是保守的;从NCBI(美国国立生物技术信息中心),EMBL(欧洲分子生物学实验室核酸序列数据库),DDBJ(日本DNA数据库)中下载所有金黄色葡萄球菌的靶基因序列,并进行同源性比对后,选取在90%以上的菌株中保守的序列区域作为靶序列。
4、在金黄色葡萄菌株靶基因中的靶序列所在的区域不会因形成二级结构而使siNA分子难以接近;siRNA发生作用是通过碱基互补原则识别与其互补的mRNA,在同源序列的中部剪切mRNA;如果在该序列区域存在二级结构而难以使siNA接近,就会导致siNA难以识别该互补序列,从而不能抑制或降解mRNA。
5、本发明中的siNA所针对金黄色葡萄菌株靶基因中的靶序列是与人体基因组中的所有基因序列不同源。将siNA分子的靶序列在GenBank进行Blast。如与靶序列相比,在人类基因中不存在等于或多于16个连续相同碱基,则选取该靶序列用来设计siNA。这样避免siNA分子在人体内降解其他不相关基因,引起人体细胞功能失调,从而有可能导致产生副作用。
根据上述原则,得到了候选siNA的靶位点,从而设计出相应的siNA,然后通过实验进行筛选,得到了325条siNA(见最后所附的表8)。
实施例二:针对dnaA基因所设计的siNA的抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.1,得到一一对应的正义链和反义链序列,合成如下结构的siNA 1:
5’ C U U G G U A G A G A G C A A U U C A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT G A A C C A T C T C T C G T T A A G T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.在营养肉汤培养基(36μg/ml苯唑西林,0.125mM EDTA)中接种MRSA谈延娥株(由中山大学中山医学院微生物学教研室分离并鉴定,保存于广州市疾病预防控制中心;该菌株对苯唑西林的最小抑菌浓度为72μg/ml)。
3.在2个玻璃管中,各取0.8ml菌液,并加入150μl 2×肉汤;一管加入150μl无关siNA(500μg/ml),一管加入150μl siNA1母液(500μg/ml);
4.于37度中摇床培养11.5小时;
5.使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量2次吸光度,取平均值,结果见图1;如图1所示,siNA1 1号孔OD值比对应无关siNA孔OD值小超过20倍,表明siNA1能够极大的抑制MRSA的生长。
6.根据上述实验,表明通过实施例1的方法设计的针对dnaA基因的siNA(附表SEQID NO.1-SEQ ID NO.56)能够有效地抑制MRSA的生长。
实施例三:针对ftsZ基因所设计的siNA的抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.60,得到一一对应的正义链和反义链序列,合成如下结构的siNA:
siNA 60:
5’ G U U A C G C C A A G G U G U A C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C A A T G C G G T T C C A C A T G T T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.在营养肉汤培养基中接种MRSA标准株ATCC25923(购自美国ATCC;对苯唑西林的最小抑菌浓度为1.2μg/ml);
3.在2个玻璃管中,各取0.5ml菌液,加入50μl 2×肉汤;一管加入30μl无关siNA(500μg/ml),一管加入30μl siNA60母液(500μg/ml);
4.于37度中摇床培养8.5小时;
5.使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量2次吸光度,取平均值,结果见图2;如图2所示,siNA60孔OD值比对应无关siNA孔OD值小近百倍,表明siNA60能够极大的抑制MRSA的生长。
6.根据上述实验,表明通过实施例1的方法设计的针对ftsZ基因的siNA(附表SEQ IDNO.57-NO.107)能够有效地抑制MRSA的生长。
实施例四:针对infB基因所设计的siNA的抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.108,得到一一对应的正义链和反义链序列,合成如下结构的siNA 108:
5’ C C A G C U G C U C C A A A A G A A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT G G T C G A C G A G G T T T T C T T T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.在营养肉汤培养基中接种MRSA标准株ATCC25923(购自美国ATCC;对苯唑西林的最小抑菌浓度为1.2μg/ml);
3.在2个玻璃管中,各取0.5ml菌液,加入50μl 2×肉汤;一管加入30μl无关siNA(500μg/ml),一管加入30μl siNA108母液(500μg/ml);
4.于37度中摇床培养8.5小时;
5.使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量2次吸光度,取平均值,结果见图3;如图3所示,siNA108孔的OD值远远小于对应无关siNA孔,表明siNA108能够极大的抑制MRSA的生长。
6.根据上述实验,表明通过实施例1的方法设计的针对infB基因的siNA(附表SEQ IDNO.108-NO.176)能够有效地抑制MRSA的生长。
实施例五:针对murA基因所设计的siNA的抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.177,得到一一对应的正义链和反义链序列,合成如下结构的siNA 177:
5’ G U C G U U G A U G C A A C A A A G A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C A G C A A C T A C G T T G T T T C T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.在营养肉汤培养基中接种MRSA何杰昌株(由中山大学中山医学院微生物学教研室分离并鉴定,保存于广州市疾病预防控制中心;该菌株对苯唑西林的最小抑菌浓度为90μg/ml);
3.取12μl菌液,加入6ml 2×肉汤,混匀,在96孔板两孔中加入50μl菌液;
4.一孔加入50μl无关siNA(1μg/μl),一孔加入50μl siNA108母液(1μg/μi);混匀;
5.于37度中摇床培养22小时;
6.使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量3次吸光度,取平均值,结果见图4;如图4所示,siNA177孔OD值比无关siNA孔OD值小差不多十倍,表明siNA177可以极大抑制MRSA的生长。
7.根据上述实验,表明通过实施例1的方法设计的针对murA基因的siNA(附表SEQID NO.177-NO.234)能够有效地抑制MRSA的生长。
实施例六:针对rpoA基因所设计的siNA的抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.235,得到一一对应的正义链和反义链序列,合成如下结构的siNA 235:
5’ C U G U U G A A C G U G U G A A C U A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT G A C A A C T T G C A C A C T T G A T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.在营养肉汤培养基中接种MRSA标准株ATCC25923(购自美国ATCC;对苯唑西林的最小抑菌浓度为1.2μg/ml);
3.在2个玻璃管中,各取0.5ml菌液,加入50μl 2×肉汤;一管加入30μl无关siNA(500μg/ml),一管加入30μl siNA235母液(500μg/ml);
4.于37度中摇床培养8.5小时;
5.使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量2次吸光度,取平均值,结果见图5;如图5所示,siNA235孔的OD值比无关siNA孔OD值小近百倍,表明siNA235能够极大的抑制MRSA的生长。
6.根据上述实验,表明通过实施例1的方法设计的针对infB基因的siNA(附表SEQ IDNO.235-NO.298)能够有效地抑制MRSA的生长。
实施例七:以MRSA产生耐药性的mecA基因为靶点所设计的siNA及其抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.302与SEQ ID NO.303,得到一一对应的正义链和反义链序列,合成如下结构的siNA:
siNA305:
5’ U U C A A U C U A U A G C G C A U U A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT A A G T T A G A T A T C G C G T A A T 5’
无关siNA为:
5’ G A C C C G C A U U G A G C A U C A A dT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dT C T G G G C G T A A C T C G T A G T T 5’
2.接种MRSA关沃株(由中山大学中山医学院微生物学教研室分离并鉴定,保存于广州市疾病预防控制中心;该菌株对苯唑西林的最小抑菌浓度为54μg/ml)至3ml营养肉汤培养基,加入9μl 18mg/ml苯唑西林溶液;
3.在2个10ml离心管中,各管分别加入1ml菌液;
4.两管分别加入75μl 1μg/μl siNA 305,75μl 1μg/μl无关siNA;
5.37度摇床中培养;
6.11h后,将菌液稀释10倍,使用酶标仪(LALJYVRAM MKIII)于630mm波长处测量2次吸光度,取平均值,结果见图6;如图6所示,siNA 305孔的OD值都与无关siNA孔的OD值小60倍以上,表明siNA305可以极大抑制MRSA的生长。
7.根据上述实验,表明通过实施例1的方法设计的针对mecA基因的siNA(附表SEQID NO.299-NO.325)能够有效地抑制MRSA的生长。
实施例八:以MRSA产生耐药性的mecA基因为靶点所设计不同成分的siNA及其抑菌或杀菌有效性的确定
1.siNA的合成:根据附表1中的靶序列SEQ ID NO.302得到一一对应的正义链和反义链序列,合成如下结构的不同成分的siNA:
siNA 302a(dsDNA):
5’ T A C A A G A T A T G A A G T G G T AdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTA T G T T C T A T A C T T C A C C A T 5’
siNA 302b(乱序dsDNA):
5’ G G T G A A G T A T A T A G A A C A TdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTC C A C T T C A T A T A T C T T G T A 5’
siNA 302c(dsRNA):
5’ U A C A A G A U A U G A A G U G G U AdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTA U G U U C U A U A C U U C A C C A U 5’
siNA 302d(乱序dsRNA):
5’ G G U G A A G U A U A U A G A A C A UdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTC C A C U U C A U A U A U C U U G U A 5’
siNA 302e(正义链为RNA,反义链为DNA,简称为RNA:DNA):
5’ U A C A A G A U A U G A A G U G G U AdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTA T G T T C T A T A C T T C A C C A T 5’
siNA 302f(正义链为RNA,反义链为DNA,简称为乱序RNA:DNA):
5’ G G U G A A G U A U A U A G A A C A UdT dT 3’
| | | | | | | | | | | | | | | | | | |
3’dT dTC C A C T T C A T A T A T C T T G T A 5’
siNA 302g(正义链为DNA,反义链为RNA,简称为DNA:RNA):
5’ T A C A A G A T A T G A A G T G G T AdT dT 3’
3’dT dTA U G U U C U A U A C U U C A C C A U 5’
siNA 302h(正义链为DNA,反义链为RNA,简称为乱序DNA:RNA):
5’ G G T G A A G T A T A T A G A A C A TdT dT 3’
3’dT dTA U G U U C U A U A C U U C A C C A U 5’
2.在96孔板1-8号孔各加入50μl相应250μg/ml siNA;
3.接种MRSA谈延娥株(由中山大学中山医学院微生物学教研室分离并鉴定,保存于广州市疾病预防控制中心;该菌株对苯唑西林的最小抑菌浓度为72μg/ml)至15ml营养肉汤培养基,加入36μl 18mg/ml苯唑西林溶液,120μl EDTA溶液(0.5mM);
4.在每个孔中各加入50μl MRSA菌液,混匀。
5.用封口胶封口,并放入保鲜袋中,37℃孵育;
6.培养36h后,统计平板上的菌落数,结果见下表7:
表7
目标dsDNA | 乱序dsDNA | 目标dsRNA | 乱序dsRNA | 目标RNA:DNA | 乱序RNA:DNA | 目标DNA:RNA | 乱序DNA:RNA |
极多 | 极多 | 极多>500 | 极多>500 | 2 | 多(>300) | 无 | 115 |
由表7可见,目标RNA:DNA和目标DNA:RNA siNA分子在一定浓度时能特异性的杀灭MRSA。与对照相比,在应用250μg/ml目标RNA:DNA或DNA:RNA siNA分子时,可以取得杀灭MRSA的效果。
表8
NO.靶序列 靶基因 RNA正义链 DNA反义链
1 CTTGGTAGAGAGCAATTCA dnaA CUUGGUAGAGAGCAAUUCA TGAATTGCTCTCTACCAAG
2 CTATGGAGGTGTTGGTTTA dnaA CUAUGGAGGUGUUGGUUUA TAAACCAACACCTCCATAG
3 GGAGGTGTTGGTTTAGGAA dnaA GGAGGUGUUGGUUUAGGAA TTCCTAAACCAACACCTCC
4 GGTGAAGCTTTCAGAGAAA dnaA GGUGAAGCUUUCAGAGAAA TTTCTCTGAAAGCTTCACC
5 GCATGCCATTGGTCATCAT dnaA GCAUGCCAUUGGUCAUCAU ATGATGACCAATGGCATGC
6 CGAAGGTGAAGCTTTCAGA dnaA CGAAGGUGAAGCUUUCAGA TCTGAAAGCTTCACCTTCG
7 GCCACCAGATTATGAAACT dnaA GCCACCAGAUUAUGAAACU AGTTTCATAATCTGGTGGC
8 GGGGGCTAATTGTTGATAT dnaA GGGGGCUAAUUGUUGAUAU ATATCAACAATTAGCCCCC
9 CAAGCACCAAAATCTAAAA dnaA CAAGCACCAAAAUCUAAAA TTTTAGATTTTGGTGCTTG
10 CATTCATGCTCATGAAAAA dnaA CAUUCAUGCUCAUGAAAAA TTTTTCATGAGCATGAATG
11 CATTGGTCATCATGTTTTA dnaA CAUUGGUCAUCAUGUUUUA TAAAACATGATGACCAATG
12 CCAGTACTATAATGTTAGA dnaA CCAGUACUAUAAUGUUAGA TCTAACATTATAGTACTGG
13 GCACCAAAATCTAAAAAGA dnaA GCACCAAAAUCUAAAAAGA TCTTTTTAGATTTTGGTGC
14 CCAGAAGCTTTAAATTATA dnaA CCAGAAGCUUUAAAUUAUA TATAATTTAAAGCTTCTGG
15 GAATTTTTCTATACTTTTA dnaA GAAUUUUUCUAUACUUUUA TAAAAGTATAGAAAAATTC
16 CGTCATTCATGCTCATGAA dnaA CGUCAUUCAUGCUCAUGAA TTCATGAGCATGAATGACG
17 CAAAGCGTACAATCCATTA dnaA CAAAGCGUACAAUCCAUUA TAATGGATTGTACGCTTTG
18 CAATGCCCATAACACATTT dnaA CAAUGCCCAUAACACAUUU AAATGTGTTATGGGCATTG
19 CAATTCAATGCCCATAACA dnaA CAAUUCAAUGCCCAUAACA TGTTATGGGCATTGAATTG
20 CACGTCAAATAGCTATGTA dnaA CACGUCAAAUAGCUAUGUA TACATAGCTATTTGACGTG
21 CAGATGCCAAAGTGATTTA dnaA CAGAUGCCAAAGUGAUUUA TAAATCACTTTGGCATCTG
22 CCACCAGAAGCTTTAAATT dnaA CCACCAGAAGCUUUAAAUU AATTTAAAGCTTCTGGTGG
23 CTAGAGAGCTTACAGATTT dnaA CUAGAGAGCUUACAGAUUU AAATCTGTAAGCTCTCTAG
24 GCTTGAAATTGCTCAAGAA dnaA GCUUGAAAUUGCUCAAGAA TTCTTGAGCAATTTCAAGC
25 GGCCAGTACTATAATGTTA dnaA GGCCAGUACUAUAAUGUUA TAACATTATAGTACTGGCC
26 GGGGCTAATTGTTGATATT dnaA GGGGCUAAUUGUUGAUAUU AATATCAACAATTAGCCCC
27 GGTGTTGGTTTAGGAAAAA dnaA GGUGUUGGUUUAGGAAAAA TTTTTCCTAAACCAACACC
28 CAAAGGAAATTGCACAATT dnaA CAAAGGAAAUUGCACAAUU AATTGTGCAATTTCCTTTG
29 CACCAGAAGCTTTAAATTA dnaA CACCAGAAGCUUUAAAUUA TAATTTAAAGCTTCTGGTG
30 CCATCCAAGATATTCAAAA dnaA CCAUCCAAGAUAUUCAAAA TTTTGAATATCTTGGATGG
31 CGATGATATTCAGTTCATA dnaA CGAUGAUAUUCAGUUCAUA TATGAACTGAATATCATCG
32 GAAGATTTCAGTGCAAAAA dnaA GAAGAUUUCAGUGCAAAAA TTTTTGCACTGAAATCTTC
33 GAAGTAAAACCTCACTTTA dnaA GAAGUAAAACCUCACUUUA TAAAGTGAGGTTTTACTTC
34 GAAGTAGAGAATCTTGAAA dnaA GAAGUAGAGAAUCUUGAAA TTTCAAGATTCTCTACTTC
35 GAATTAGAAGGTGCATTAA dnaA GAAUUAGAAGGUGCAUUAA TTAATGCACCTTCTAATTC
36 GAATTGCATCAGAATAACA dnaA GAAUUGCAUCAGAAUAACA TGTTATTCTGATGCAATTC
37 GCAATTTTGCAGAAGAAAA dnaA GCAAUUUUGCAGAAGAAAA TTTTCTTCTGCAAAATTGC
38 GCAGAAGAAAATTGAAGAA dnaA GCAGAAGAAAAUUGAAGAA TTCTTCAATTTTCTTCTGC
39 GCGTACAATCCATTATTTA dnaA GCGUACAAUCCAUUAUUUA TAAATAATGGATTGTACGC
40 GCTGAAGCTTTAAAAGATA dnaA GCUGAAGCUUUAAAAGAUA TATCTTTTAAAGCTTCAGC
41 GCTTACAGATTTCTCATTA dnaA GCUUACAGAUUUCUCAUUA TAATGAGAAATCTGTAAGC
42 GGAAAAAGTGCTTGAAATT dnaA GGAAAAAGUGCUUGAAAUU AATTTCAAGCACTTTTTCC
43 GGAAATTGCACAATTAGAA dnaA GGAAAUUGCACAAUUAGAA TTCTAATTGTGCAATTTCC
44 GTAATATCGACGTCTTATT dnaA GUAAUAUCGACGUCUUAUU AATAAGACGTCGATATTAC
45 CATCCAAGATATTCAAAAA dnaA CAUCCAAGAUAUUCAAAAA TTTTTGAATATCTTGGATG
46 CTGAAGAATTAGCAAATTA dnaA CUGAAGAAUUAGCAAAUUA TAATTTGCTAATTCTTCAG
47 GAAGAAAATTGAAGAAGAA dnaA GAAGAAAAUUGAAGAAGAA TTCTTCTTCAATTTTCTTC
48 GATTTCTCATTACCTAAAA dnaA GAUUUCUCAUUACCUAAAA TTTTAGGTAATGAGAAATC
49 GTAAAACCTCACTTTATTA dnaA GUAAAACCUCACUUUAUUA TAATAAAGTGAGGTTTTAC
50 CAAATCAAATTCAATCTAA dnaA CAAAUCAAAUUCAAUCUAA TTAGATTGAATTTGATTTG
51 CAAGAAGAATTTTTCTATA dnaA CAAGAAGAAUUUUUCUAUA TATAGAAAAATTCTTCTTG
52 CCAAGATATTCAAAAAATT dnaA CCAAGAUAUUCAAAAAAUU AATTTTTTGAATATCTTGG
53 CTATAATGTTAGAATTGAA dnaA CUAUAAUGUUAGAAUUGAA TTCAATTCTAACATTATAG
54 GAAAATTGAAGAAGAAAAA dnaA GAAAAUUGAAGAAGAAAAA TTTTTCTTCTTCAATTTTC
55 GAAGAATTAGCAAATTATA dnaA GAAGAAUUAGCAAAUUAUA TATAATTTGCTAATTCTTC
56 GAATCTTGAAAAAGAAATA dnaA GAAUCUUGAAAAAGAAAUA TATTTCTTTTTCAAGATTC
57 GCACAAGGTGTGCTTATGA ftsZ GCACAAGGUGUGCUUAUGA TCATAAGCACACCTTGTGC
58 CTGGAGTAGAAGCTATGAA ftsZ CUGGAGUAGAAGCUAUGAA TTCATAGCTTCTACTCCAG
59 CTGCAGATGAAGACGTTAA ftsZ CUGCAGAUGAAGACGUUAA TTAACGTCTTCATCTGCAG
60 GTTACGCCAAGGTGTACAA ftsZ GUUACGCCAAGGUGUACAA TTGTACACCTTGGCGTAAC
61 CCAAGATGCTGCAGATGAA ftsZ CCAAGAUGCUGCAGAUGAA TTCATCTGCAGCATCTTGG
62 CGGTAGAAGCTGCTAAAAA ftsZ CGGUAGAAGCUGCUAAAAA TTTTTAGCAGCTTCTACCG
63 GAAAGCTGCAGTAGATACA ftsZ GAAAGCUGCAGUAGAUACA TGTATCTACTGCAGCTTTC
64 GGCGAGTCATTGTCATTAT ftsZ GGCGAGUCAUUGUCAUUAU ATAATGACAATGACTCGCC
65 CACAAGGTGTGCTTATGAA ftsZ CACAAGGUGUGCUUAUGAA TTCATAAGCACACCTTGTG
66 CGCTGTTTCTGGTGAAGTA ftsZ CGCUGUUUCUGGUGAAGUA TACTTCACCAGAAACAGCG
67 CACCAGTCGTTGCTAAAAT ftsZ CACCAGUCGUUGCUAAAAU ATTTTAGCAACGACTGGTG
68 CAGACGGTCAAGCTTTAAA ftsZ CAGACGGUCAAGCUUUAAA TTTAAAGCTTGACCGTCTG
69 GCACCAGTCGTTGCTAAAA ftsZ GCACCAGUCGUUGCUAAAA TTTTAGCAACGACTGGTGC
70 CACAGACGGTCAAGCTTTA ftsZ CACAGACGGUCAAGCUUUA TAAAGCTTGACCGTCTGTG
71 GCGGTAGAAGCTGCTAAAA ftsZ GCGGUAGAAGCUGCUAAAA TTTTAGCAGCTTCTACCGC
72 GTGCAGACATGGTATTTGT ftsZ GUGCAGACAUGGUAUUUGU ACAAATACCATGTCTGCAC
73 CAGCACCAGTCGTTGCTAA ftsZ CAGCACCAGUCGUUGCUAA TTAGCAACGACTGGTGCTG
74 CCAAATCGGTGAAAAATTA ftsZ CCAAAUCGGUGAAAAAUUA TAATTTTTCACCGATTTGG
75 GAAAGACGTTCAAGAAGAA ftsZ GAAAGACGUUCAAGAAGAA TTCTTCTTGAACGTCTTTC
76 GGTAGAAGCTGCTAAAAAA ftsZ GGUAGAAGCUGCUAAAAAA TTTTTTAGCAGCTTCTACC
77 GCAGACGTTAAGACAATTA ftsZ GCAGACGUUAAGACAAUUA TAATTGTCTTAACGTCTGC
78 CAATGATGGAAGCATTTAA ftsZ CAAUGAUGGAAGCAUUUAA TTAAATGCTTCCATCATTG
79 GGAATCTCGTGAACAAATT ftsZ GGAAUCUCGUGAACAAAUU AATTTGTTCACGAGATTCC
80 GAAGAAAGACGTTCAAGAA ftsZ GAAGAAAGACGUUCAAGAA TTCTTGAACGTCTTTCTTC
81 CCTAGCTTCATTAGAAATA ftsZ CCUAGCUUCAUUAGAAAUA TATTTCTAATGAAGCTAGG
82 GAACACATACAACTAAAGA ftsZ GAACACAUACAACUAAAGA TCTTTAGTTGTATGTGTTC
83 GAAAGAACACATACAACTA ftsZ GAAAGAACACAUACAACUA TAGTTGTATGTGTTCTTTC
84 GTAAGTGAAAGAACACATA ftsZ GUAAGUGAAAGAACACAUA TATGTGTTCTTTCACTTAC
85 CAAGCAACTGATAGTGTAA ftsZ CAAGCAACUGAUAGUGUAA TTACACTATCAGTTGCTTG
86 GATGAATCATTCACTTCAA ftsZ GAUGAAUCAUUCACUUCAA TTGAAGTGAATGATTCATC
87 CAATGCAACTTCTAAAGAT ftsZ CAAUGCAACUUCUAAAGAU ATCTTTAGAAGTTGCATTG
88 GCAATGCAACTTCTAAAGA ftsZ GCAAUGCAACUUCUAAAGA TCTTTAGAAGTTGCATTGC
89 CTAGCAATGCAACTTCTAA ftsZ CUAGCAAUGCAACUUCUAA TTAGAAGTTGCATTGCTAG
90C AACTGGTTTTGATGACAA ftsZ CAACUGGUUUUGAUGACAA TTGTCATCAAAACCAGTTG
91 GATTTTCGGTACAGTTATT ftsZ GAUUUUCGGUACAGUUAUU AATAACTGTACCGAAAATC
92 GCAGATGAAGACGTTAATA ftsZ GCAGAUGAAGACGUUAAUA TATTAACGTCTTCATCTGC
93 CGAGTCATTGTCATTATTT ftsZ CGAGUCAUUGUCAUUAUUU AAATAATGACAATGACTCG
94 GCGAGTCATTGTCATTATT ftsZ GCGAGUCAUUGUCAUUAUU AATAATGACAATGACTCGC
95 GGTGTGCTTATGAATATTA ftsZ GGUGUGCUUAUGAAUAUUA TAATATTCATAAGCACACC
96 CAAGGTGTGCTTATGAATA ftsZ CAAGGUGUGCUUAUGAAUA TATTCATAAGCACACCTTG
97 CCATTACTTGAAACATCTA ftsZ CCAUUACUUGAAACAUCUA TAGATGTTTCAAGTAATGG
98 CTGGTGAAGTAAACTTAGA ftsZ CUGGUGAAGUAAACUUAGA TCTAAGTTTACTTCACCAG
99 CAAGGTATCTCAGACTTAA ftsZ CAAGGUAUCUCAGACUUAA TTAAGTCTGAGATACCTTG
100 CCAATGATGGAAGCATTTA ftsZ CCAAUGAUGGAAGCAUUUA TAAATGCTTCCATCATTGG
101 CAAATGACCGTTTATTAGA ftsZ CAAAUGACCGUUUAUUAGA TCTAATAAACGGTCATTTG
102 GCTGCAGTAGATACATTAA ftsZ GCUGCAGUAGAUACAUUAA TTAATGTATCTACTGCAGC
103 GTTGTAACTCGTCCATTTA ftsZ GUUGUAACUCGUCCAUUUA TAAATGGACGAGTTACAAC
104 GCAGACATGGTATTTGTTA ftsZ GCAGACAUGGUAUUUGUUA TAACAAATACCATGTCTGC
105 CCCTGAAATCGGTAAAAAA ftsZ CCCUGAAAUCGGUAAAAAA TTTTTTACCGATTTCAGGG
106 CAAATCGGTGAAAAATTAA ftsZ CAAAUCGGUGAAAAAUUAA TTAATTTTTCACCGATTTG
107 CGGTCAAGCTTTAAACTTA ftsZ CGGUCAAGCUUUAAACUUA TAAGTTTAAAGCTTGACCG
108 CCAGCTGCTCCAAAAGAAA infB CCAGCUGCUCCAAAAGAAA TTTCTTTTGGAGCAGCTGG
109 CGTGCTGTTGGTACAGTTA infB CGUGCUGUUGGUACAGUUA TAACTGTACCAACAGCACG
110 GCTAATGCCTCAAATGGTA infB GCUAAUGCCUCAAAUGGUA TACCATTTGAGGCATTAGC
111 GACCAGCTGTTGTAACAAT infB GACCAGCUGUUGUAACAAU ATTGTTACAACAGCTGGTC
112 GCGATTGTAGTGGGTAATA infB GCGAUUGUAGUGGGUAAUA TATTACCCACTACAATCGC
113 GGCGGAATCACTCAACATA infB GGCGGAAUCACUCAACAUA TATGTTGAGTGATTCCGCC
114 GCGTTGAGGTTGAAGAAGA infB GCGUUGAGGUUGAAGAAGA TCTTCTTCAACCTCAACGC
115 CAGCGGTTGGTGCGATTAA infB CAGCGGUUGGUGCGAUUAA TTAATCGCACCAACCGCTG
116 GAGACCAGCTGTTGTAACA infB GAGACCAGCUGUUGUAACA TGTTACAACAGCTGGTCTC
117 GTATCCGTGCAATGGTTAA infB GUAUCCGUGCAAUGGUUAA TTAACCATTGCACGGATAC
118 CGAAGCTAGCATTGTACAA infB CGAAGCUAGCAUUGUACAA TTGTACAATGCTAGCTTCG
119 CGTTGAGGTTGAAGAAGAA infB CGUUGAGGUUGAAGAAGAA TTCTTCTTCAACCTCAACG
120 GTGATGGTATCGACGATTT infB GUGAUGGUAUCGACGAUUU AAATCGTCGATACCATCAC
121 CCATCAACGCCTGTTGAAA infB CCAUCAACGCCUGUUGAAA TTTCAACAGGCGTTGATGG
122 GGGATCGCTTTGTTGTATT infB GGGAUCGCUUUGUUGUAUU AATACAACAAAGCGATCCC
123 GCGTGGTGCACAAGTAACA infB GCGUGGUGCACAAGUAACA TGTTACTTGTGCACCACGC
124 GGTCCTTCTGCATCATTAT infB GGUCCUUCUGCAUCAUUAU ATAATGATGCAGAAGGACC
125 GGTGCACAAGTAACAGATA infB GGUGCACAAGUAACAGAUA TATCTGTTACTTGTGCACC
126 CCGGGACATGCTGCATTTA infB CCGGGACAUGCUGCAUUUA TAAATGCAGCATGTCCCGG
127 GTGCTGCAGAAGCTGAAAA infB GUGCUGCAGAAGCUGAAAA TTTTCAGCTTCTGCAGCAC
128 GGTGTTATGCCACAAACAA infB GGUGUUAUGCCACAAACAA TTGTTTGTGGCATAACACC
129 CGTTCCACTTTCTGCATTA infB CGUUCCACUUUCUGCAUUA TAATGCAGAAAGTGGAACG
130 GGGACATGCTGCATTTACA infB GGGACAUGCUGCAUUUACA TGTAAATGCAGCATGTCCC
131 GGACATGCTGCATTTACAA infB GGACAUGCUGCAUUUACAA TTGTAAATGCAGCATGTCC
132 CAAAAAGAATCAACAACAA infB CAAAAAGAAUCAACAACAA TTGTTGTTGATTCTTTTTG
133 CAAAAGAAATACCATCAAA infB CAAAAGAAAUACCAUCAAA TTTGATGGTATTTCTTTTG
134 CAAAATAAAGGGCAACAAA infB CAAAAUAAAGGGCAACAAA TTTGTTGCCCTTTATTTTG
135 CAAAGATGATGCTAAGGAA infB CAAAGAUGAUGCUAAGGAA TTCCTTAGCATCATCTTTG
136 CAATTAACCATGCTAAAGA infB CAAUUAACCAUGCUAAAGA TCTTTAGCATGGTTAATTG
137 CAATTATTGTTGCAGTAAA infB CAAUUAUUGUUGCAGUAAA TTTACTGCAACAATAATTG
138 CAGCTGTTGTAACAATTAT infB CAGCUGUUGUAACAAUUAU ATAATTGTTACAACAGCTG
139 CATCAAAAGTGACATATCA infB CAUCAAAAGUGACAUAUCA TGATATGTCACTTTTGATG
140 CATCAGAAATTATCAAAAA infB CAUCAGAAAUUAUCAAAAA TTTTTGATAATTTCTGATG
141 CCATGGTAAAACTACTTTA infB CCAUGGUAAAACUACUUUA TAAAGTAGTTTTACCATGG
142 CGAAAGAATTAAATCTAAA infB CGAAAGAAUUAAAUCUAAA TTTAGATTTAATTCTTTCG
143 CGAGTTATGCAAGAATTAA infB CGAGUUAUGCAAGAAUUAA TTAATTCTTGCATAACTCG
144 CGGAATCACTCAACATATT infB CGGAAUCACUCAACAUAUU AATATGTTGAGTGATTCCG
145 CTACAATGACCTTAAAGAA infB CUACAAUGACCUUAAAGAA TTCTTTAAGGTCATTGTAG
146 CTTAAACGTTATTATTAAA infB CUUAAACGUUAUUAUUAAA TTTAATAATAACGTTTAAG
147 GAAATAATAAGAAAAATAA infB GAAAUAAUAAGAAAAAUAA TTATTTTTCTTATTATTTC
148 GAAATACCATCAAAAGTGA infB GAAAUACCAUCAAAAGUGA TCACTTTTGATGGTATTTC
149 GAAGTTCGTCAAACATTCA infB GAAGUUCGUCAAACAUUCA TGAATGTTTGACGAACTTC
150 GAATTTGCGGATAAATTAA infB GAAUUUGCGGAUAAAUUAA TTAATTTATCCGCAAATTC
151 GCACAAGTAACAGATATTA infB GCACAAGUAACAGAUAUUA TAATATCTGTTACTTGTGC
152 GCTGCATCATTAATGAAAA infB GCUGCAUCAUUAAUGAAAA TTTTCATTAATGATGCAGC
153 GCTTTAGCTGCATCATTAA infB GCUUUAGCUGCAUCAUUAA TTAATGATGCAGCTAAAGC
154 GGCAACAAAGGCAATAAAA infB GGCAACAAAGGCAAUAAAA TTTTATTGCCTTTGTTGCC
155 GGTTATGAATGTGGTATTA infB GGUUAUGAAUGUGGUAUUA TAATACCACATTCATAACC
156 GTAAAAATGTTTCATTAGA infB GUAAAAAUGUUUCAUUAGA TCTAATGAAACATTTTTAC
157 GTACAACAACGTCAAGAAA infB GUACAACAACGUCAAGAAA TTTCTTGACGTTGTTGTAC
158 GTATCGACGATTTATTAGA infB GUAUCGACGAUUUAUUAGA TCTAATAAATCGTCGATAC
159 GTATTACAATTGAAAACTA infB GUAUUACAAUUGAAAACUA TAGTTTTCAATTGTAATAC
160 GTGATGGTATTGTTCAATA infB GUGAUGGUAUUGUUCAAUA TATTGAACAATACCATCAC
161 GTTCCACTTTCTGCATTAA infB GUUCCACUUUCUGCAUUAA TTAATGCAGAAAGTGGAAC
162 CAACGTCAAGAAAGTAAAA infB CAACGUCAAGAAAGUAAAA TTTTACTTTCTTGACGTTG
163 CAATCAAAATCAAAATAAA infB CAAUCAAAAUCAAAAUAAA TTTATTTTGATTTTGATTG
164 CCAGCTGTTGTAACAATTA infB CCAGCUGUUGUAACAAUUA TAATTGTTACAACAGCTGG
165 CGAAGCTGAATTAGATAAA infB CGAAGCUGAAUUAGAUAAA TTTATCTAATTCAGCTTCG
166 CGAATATGCGAAAGAATTA infB CGAAUAUGCGAAAGAAUUA TAATTCTTTCGCATATTCG
167 CGAATTAGATACACTTAAA infB CGAAUUAGAUACACUUAAA TTTAAGTGTATCTAATTCG
168 CGAATTTGCGGATAAATTA infB CGAAUUUGCGGAUAAAUUA TAATTTATCCGCAAATTCG
169 CTACTTCGAAGACGAAAAA infB CUACUUCGAAGACGAAAAA TTTTTCGTCTTCGAAGTAG
170 GAAAACGATGGCAAAAAAA infB GAAAACGAUGGCAAAAAAA TTTTTTTGCCATCGTTTTC
171 GAAACAAGGTGAAATGAAA infB GAAACAAGGUGAAAUGAAA TTTCATTTCACCTTGTTTC
172 GAAGCAGAAGTACCAATTA infB GAAGCAGAAGUACCAAUUA TAATTGGTACTTCTGCTTC
173 GCAACAAAGGCAATAAAAA infB GCAACAAAGGCAAUAAAAA TTTTTATTGCCTTTGTTGC
174 GGAAGATGACCAAATTAAA infB GGAAGAUGACCAAAUUAAA TTTAATTTGGTCATCTTCC
175 GGATCGCTTTGTTGTATTT infB GGAUCGCUUUGUUGUAUUU AAATACAACAAAGCGATCC
176 GTACAAAACGGTACATTAA infB GUACAAAACGGUACAUUAA TTAATGTACCGTTTTGTAC
177 GTCGTTGATGCAACAAAGA murA GUCGUUGAUGCAACAAAGA TCTTTGTTGCATCAACGAC
178 GTGTAGGAGCAACACAAAA murA GUGUAGGAGCAACACAAAA TTTTGTGTTGCTCCTACAC
179 CTTTAGGCGCAGAAATTCA murA CUUUAGGCGCAGAAAUUCA TGAATTTCTGCGCCTAAAG
180 CAGCAGCCGCCTTAATTTT murA CAGCAGCCGCCUUAAUUUU AAAATTAAGGCGGCTGCTG
181 GTGGTGCAATCAAAGAACA murA GUGGUGCAAUCAAAGAACA TGTTCTTTGATTGCACCAC
182 GCCTGGTGGTTGTGCAATT murA GCCUGGUGGUUGUGCAAUU AATTGCACAACCACCAGGC
183 GAAGAGGCACCATATGAAT murA GAAGAGGCACCAUAUGAAU ATTCATATGGTGCCTCTTC
184 CCGATTGAGCAACACATTA murA CCGAUUGAGCAACACAUUA TAATGTGTTGCTCAATCGG
185 GCGCAGAAATTCATCTTGA murA GCGCAGAAAUUCAUCUUGA TCAAGATGAATTTCTGCGC
186 GCTGGTACAGACACAATTA murA GCUGGUACAGACACAAUUA TAATTGTGTCTGTACCAGC
187 GCAGCAGCCGCCTTAATTT murA GCAGCAGCCGCCUUAAUUU AAATTAAGGCGGCTGCTGC
188 GCAAGGTGCACAAGTTAAA murA GCAAGGUGCACAAGUUAAA TTTAACTTGTGCACCTTGC
189 GTTGCAGAGTTCAAACGTA murA GUUGCAGAGUUCAAACGUA TACGTTTGAACTCTGCAAC
190 GCATGTTGCAGAGTTCAAA murA GCAUGUUGCAGAGUUCAAA TTTGAACTCTGCAACATGC
191 CCTGGATTCCCGACTGATA murA CCUGGAUUCCCGACUGAUA TATCAGTCGGGAATCCAGG
192 GTGCTGAAGGGGAATTACA murA GUGCUGAAGGGGAAUUACA TGTAATTCCCCTTCAGCAC
193 CGACTGATATGCAATCACA murA CGACUGAUAUGCAAUCACA TGTGATTGCATATCAGTCG
194 GCGTTGAATTGGACTATCA murA GCGUUGAAUUGGACUAUCA TGATAGTCCAATTCAACGC
195 CTAATCGCTGGTGCTATAA murA CUAAUCGCUGGUGCUAUAA TTATAGCACCAGCGATTAG
196 GAAGCAGGCACATTACTAA murA GAAGCAGGCACAUUACUAA TTAGTAATGTGCCTGCTTC
197 GCAATTAGGTGCAGACATT murA GCAAUUAGGUGCAGACAUU AATGTCTGCACCTAATTGC
198 GAGGCTATGTTGACTTACA murA GAGGCUAUGUUGACUUACA TGTAAGTCAACATAGCCTC
199 GAATTAACGCACCTAGATA murA GAAUUAACGCACCUAGAUA TATCTAGGTGCGTTAATTC
200 GAATGCTAATATCAATGTA murA GAAUGCUAAUAUCAAUGUA TACATTGATATTAGCATTC
201 CCGAAACAGTTTTTGAAAA murA CCGAAACAGUUUUUGAAAA TTTTCAAAAACTGTTTCGG
202 GATATGCAATCACAAATGA murA GAUAUGCAAUCACAAAUGA TCATTTGTGATTGCATATC
203 CAACCTGTAGACATCAAAA murA CAACCUGUAGACAUCAAAA TTTTGATGTCTACAGGTTG
204 CGAGTTTAGTCTATAAACT murA CGAGUUUAGUCUAUAAACU AGTTTATAGACTAAACTCG
205 GGCGAGTTTAGTCTATAAA murA GGCGAGUUUAGUCUAUAAA TTTATAGACTAAACTCGCC
206 GCGTGGTGATATTTTTGTA murA GCGUGGUGAUAUUUUUGUA TACAAAAATATCACCACGC
207 CATTCCAGATAGAATTGAA murA CAUUCCAGAUAGAAUUGAA TTCAATTCTATCTGGAATG
208 CAATGGTGTAGAATCATTA murA CAAUGGUGUAGAAUCAUUA TAATGATTCTACACCATTG
209 CAGACACAATTACAATCAA murA CAGACACAAUUACAAUCAA TTGATTGTAATTGTGTCTG
210 GTAAGACTTTAATTGAAAA murA GUAAGACUUUAAUUGAAAA TTTTCAATTAAAGTCTTAC
211 GGGTAAGACTTTAATTGAA murA GGGUAAGACUUUAAUUGAA TTCAATTAAAGTCTTACCC
212 CTAAGGGTAAGACTTTAAT murA CUAAGGGUAAGACUUUAAU ATTAAAGTCTTACCCTTAG
213 GCTAAGGGTAAGACTTTAA murA GCUAAGGGUAAGACUUUAA TTAAAGTCTTACCCTTAGC
214 GCAACACAAAATATTATTA murA GCAACACAAAAUAUUAUUA TAATAATATTTTGTGTTGC
215 GTACATCAATTCATTTAGA murA GUACAUCAAUUCAUUUAGA TCTAAATGAATTGATGTAC
216 GGATTAAAAGGTACATCAA murA GGAUUAAAAGGUACAUCAA TTGATGTACCTTTTAATCC
217 GCAGAAATTCATCTTGAAA murA GCAGAAAUUCAUCUUGAAA TTTCAAGATGAATTTCTGC
218 CGCAGAAATTCATCTTGAA murA CGCAGAAAUUCAUCUUGAA TTCAAGATGAATTTCTGCG
219 GCAACACATTAAAGGTTTT murA GCAACACAUUAAAGGUUUU AAAACCTTTAATGTGTTGC
220 GATTGAGCAACACATTAAA murA GAUUGAGCAACACAUUAAA TTTAATGTGTTGCTCAATC
221 GCACCATATGAATATGTTA murA GCACCAUAUGAAUAUGUUA TAACATATTCATATGGTGC
222 CAAAGACTCTAAATGAAGA murA CAAAGACUCUAAAUGAAGA TCTTCATTTAGAGTCTTTG
223 CAACAAAGACTCTAAATGA murA CAACAAAGACUCUAAAUGA TCATTTAGAGTCTTTGTTG
224 CTGACGTTACATACAAAAA murA CUGACGUUACAUACAAAAA TTTTTGTATGTAACGTCAG
225 CGAGCAAATTAGTTAATGT murA CGAGCAAAUUAGUUAAUGU ACATTAACTAATTTGCTCG
226 GCAGTATTACCAATATTGA murA GCAGUAUUACCAAUAUUGA TCAATATTGGTAATACTGC
227 GGGTGAAGTTAAAGTAGAA murA GGGUGAAGUUAAAGUAGAA TTCTACTTTAACTTCACCC
228 CAAAGGTGGAAATAAATTA murA CAAAGGUGGAAAUAAAUUA TAATTTATTTCCACCTTTG
229 GTAATCAAAGGTGGAAATA murA GUAAUCAAAGGUGGAAAUA TATTTCCACCTTTGATTAC
230 GCAGACATTGAACGTATTA murA GCAGACAUUGAACGUAUUA TAATACGTTCAATGTCTGC
231 GAAATGGGTGGTAGAATTA murA GAAAUGGGUGGUAGAAUUA TAATTCTACCACCCATTTC
232 GGAGCAACACAAAATATTA murA GGAGCAACACAAAAUAUUA TAATATTTTGTGTTGCTCC
233 GTAGGAGCAACACAAAATA murA GUAGGAGCAACACAAAAUA TATTTTGTGTTGCTCCTAC
234 CGATTGAGCAACACATTAA murA CGAUUGAGCAACACAUUAA TTAATGTGTTGCTCAATCG
235 CTGTTGAACGTGTGAACTA rpoA CUGUUGAACGUGUGAACUA TAGTTCACACGTTCAACAG
236 GTAACAGCAAGCGACATTA rpoA GUAACAGCAAGCGACAUUA TAATGTCGCTTGCTGTTAC
237 CTCAGCAGTAGACAATGTA rpoA CUCAGCAGUAGACAAUGUA TACATTGTCTACTGCTGAG
238 CAGCCGTTAAGTACATTGA rpoA CAGCCGUUAAGUACAUUGA TCAATGTACTTAACGGCTG
239 GTGCAGCCGTTAAGTACAT rpoA GUGCAGCCGUUAAGUACAU ATGTACTTAACGGCTGCAC
240 CGTTGGTCTTACTGATGAA rpoA CGUUGGUCUUACUGAUGAA TTCATCAGTAAGACCAACG
241 CTGAAGCTGACATGATGAA rpoA CUGAAGCUGACAUGAUGAA TTCATCATGTCAGCTTCAG
242 GTAGGTCAAAGCAGTGATT rpoA GUAGGUCAAAGCAGUGAUU AATCACTGCTTTGACCTAC
243 CCCAGAGCTTAAAATTGCA rpoA CCCAGAGCUUAAAAUUGCA TGCAATTTTAAGCTCTGGG
244 CAGGTGCAGCCGTTAAGTA rpoA CAGGUGCAGCCGUUAAGUA TACTTAACGGCTGCACCTG
245 CTCCTTACGTCGTATCCTA rpoA CUCCUUACGUCGUAUCCUA TAGGATACGACGTAAGGAG
246 CAATTCTGTTCAAGAGTTA rpoA CAAUUCUGUUCAAGAGUUA TAACTCTTGAACAGAATTG
247 GCATTAGCAGAACAAAATA rpoA GCAUUAGCAGAACAAAAUA TATTTTGTTCTGCTAATGC
248 CTAAAGGTGGTCACTTAAA rpoA CUAAAGGUGGUCACUUAAA TTTAAGTGACCACCTTTAG
249 CAATTATTATGAACATTAA rpoA CAAUUAUUAUGAACAUUAA TTAATGTTCATAATAATTG
250 GAAGATGTTTCTACAATTA rpoA GAAGAUGUUUCUACAAUUA TAATTGTAGAAACATCTTC
251 GATGAAAGTGCGTAATTTA rpoA GAUGAAAGUGCGUAAUUUA TAAATTACGCACTTTCATC
252 CAGTGATTTTGATAAATTA rpoA CAGUGAUUUUGAUAAAUUA TAATTTATCAAAATCACTG
253 GCAGTGATTTTGATAAATT rpoA GCAGUGAUUUUGAUAAAUU AATTTATCAAAATCACTGC
254 CAAAGCAGTGATTTTGATA rpoA CAAAGCAGUGAUUUUGAUA TATCAAAATCACTGCTTTG
255 CTATACTGTTGAAAATACA rpoA CUAUACUGUUGAAAAUACA TGTATTTTCAACAGTATAG
256 GAACTATACTGTTGAAAAT rpoA GAACUAUACUGUUGAAAAU ATTTTCAACAGTATAGTTC
257 CAGTGATGTTGAAATTTTA rpoA CAGUGAUGUUGAAAUUUUA TAAAATTTCAACATCACTG
258 CAATTAGCATTGAAAATTT rpoA CAAUUAGCAUUGAAAAUUU AAATTTTCAATGCTAATTG
259 CAATGTAGTTGAAGATGTT rpoA CAAUGUAGUUGAAGAUGUU AACATCTTCAACTACATTG
260 GCCGTTAAGTACATTGAAA rpoA GCCGUUAAGUACAUUGAAA TTTCAATGTACTTAACGGC
261 GTATCCTACTATCTTCATT rpoA GUAUCCUACUAUCUUCAUU AATGAAGATAGTAGGATAC
262 CTAGAATTGAGACAATTGA rpoA CUAGAAUUGAGACAAUUGA TCAATTGTCTCAATTCTAG
263 GATTTAGGATTAGGATTAA rpoA GAUUUAGGAUUAGGAUUAA TTAATCCTAATCCTAAATC
264 CTTTAGAAGAAGTTAAATA rpoA CUUUAGAAGAAGUUAAAUA TATTTAACTTCTTCTAAAG
265 CGTAATTTAGGTCGTAAAT rpoA CGUAAUUUAGGUCGUAAAU ATTTACGACCTAAATTACG
266 GCGTAATTTAGGTCGTAAA rpoA GCGUAAUUUAGGUCGUAAA TTTACGACCTAAATTACGC
267 GAAAGTGCGTAATTTAGGT rpoA GAAAGUGCGUAAUUUAGGU ACCTAAATTACGCACTTTC
268 GAATCAATTCTGTTCAAGA rpoA GAAUCAAUUCUGUUCAAGA TCTTGAACAGAATTGATTC
269 CGTTCATATAACTGCTTAA rpoA CGUUCAUAUAACUGCUUAA TTAAGCAGTTATATGAACG
270 GAAGAAGATCAAAAAGAAA rpoA GAAGAAGAUCAAAAAGAAA TTTCTTTTTGATCTTCTTC
271 CTGAAATCATGATTGAAAA rpoA CUGAAAUCAUGAUUGAAAA TTTTCAATCATGATTTCAG
272 GCTGAAATCATGATTGAAA rpoA GCUGAAAUCAUGAUUGAAA TTTCAATCATGATTTCAGC
273 CAAAACGCTGAAATCATGA rpoA CAAAACGCUGAAAUCAUGA TCATGATTTCAGCGTTTTG
274 CTGAACACTTGAATATCTT rpoA CUGAACACUUGAAUAUCUU AAGATATTCAAGTGTTCAG
275 GTTTCATTAGCAGCAAAAA rpoA GUUUCAUUAGCAGCAAAAA TTTTTGCTGCTAATGAAAC
276 CCACAAGAATCAGTTTCAT rpoA CCACAAGAAUCAGUUUCAU ATGAAACTGATTCTTGTGG
277 GACTAATGGTTCAATCACA rpoA GACUAAUGGUUCAAUCACA TGTGATTGAACCATTAGTC
278 GTCAAAGCAGTGATTTTGA rpoA GUCAAAGCAGUGAUUUUGA TCAAAATCACTGCTTTGAC
279 GTTGAACGTGTGAACTATA rpoA GUUGAACGUGUGAACUAUA TATAGTTCACACGTTCAAC
280 CCTGTTGATTCATTGTATT rpoA CCUGUUGAUUCAUUGUAUU AATACAATGAATCAACAGG
281 CCCTGTTGATTCATTGTAT rpoA CCCUGUUGAUUCAUUGUAU ATACAATGAATCAACAGGG
282 GCAGAACAAAATAATACTA rpoA GCAGAACAAAAUAAUACUA TAGTATTATTTTGTTCTGC
283 CATTAGCAGAACAAAATAA rpoA CAUUAGCAGAACAAAAUAA TTATTTTGTTCTGCTAATG
284 CGCATTAGCAGAACAAAAT rpoA CGCAUUAGCAGAACAAAAU ATTTTGTTCTGCTAATGCG
285 GCTTAAAATTGCAACAGTA rpoA GCUUAAAAUUGCAACAGUA TACTGTTGCAATTTTAAGC
286 CCAGAGCTTAAAATTGCAA rpoA CCAGAGCUUAAAAUUGCAA TTGCAATTTTAAGCTCTGG
287 GTGATGTTGAAATTTTAAA rpoA GUGAUGUUGAAAUUUUAAA TTTAAAATTTCAACATCAC
288 GAAGATAAAACTTTAGAAA rpoA GAAGAUAAAACUUUAGAAA TTTCTAAAGTTTTATCTTC
289 GAAAATTTACTCTGAAGAA rpoA GAAAAUUUACUCUGAAGAA TTCTTCAGAGTAAATTTTC
290 CTACAATTATTATGAACAT rpoA CUACAAUUAUUAUGAACAU ATGTTCATAATAATTGTAG
291 GATGTTTCTACAATTATTA rpoA GAUGUUUCUACAAUUAUUA TAATAATTGTAGAAACATC
292 GTTGAAGATGTTTCTACAA rpoA GUUGAAGAUGUUUCUACAA TTGTAGAAACATCTTCAAC
293 GTAGTTGAAGATGTTTCTA rpoA GUAGUUGAAGAUGUUUCUA TAGAAACATCTTCAACTAC
294 GAGGGAGTTTTACATGAAT rpoA GAGGGAGUUUUACAUGAAU ATTCATGTAAAACTCCCTC
295 CCTACTATCTTCATTACCA rpoA CCUACUAUCUUCAUUACCA TGGTAATGAAGATAGTAGG
296 CGTTGTTGAACCACTAGAA rpoA CGUUGUUGAACCACUAGAA TTCTAGTGGTTCAACAACG
297 CGGTAAGTTCGTTGTTGAA rpoA CGGUAAGUUCGUUGUUGAA TTCAACAACGAACTTACCG
298 GAAAAACCTAGAATTGAGA rpoA GAAAAACCUAGAAUUGAGA TCTCAATTCTAGGTTTTTC
299 ATTGGCCAATACAGGAACA mecA AUUGGCCAAUACAGGAACA TGTTCCTGTATTGGCCAAT
300 GAAGATGGCTATCGTGTCA mecA GAAGAUGGCUAUCGUGUCA TGACACGATAGCCATCTTC
301 ACAATCGCACATACATTAA mecA ACAAUCGCACAUACAUUAA TTAATGTATGTGCGATTGT
302 TACAAGATATGAAGTGGTA mecA UACAAGAUAUGAAGUGGUA TACCACTTCATATCTTGTA
303 AGGTGTTGGTGAAGATATA mecA AGGUGUUGGUGAAGAUAUA TATATCTTCACCAACACCT
304 TGATTCAGGTTACGGACAA mecA UGAUUCAGGUUACGGACAA TTGTCCGTAACCTGAATCA
305 TTCAATCTATAGCGCATTA mecA UUCAAUCUAUAGCGCAUUA TAATGCGCTATAGATTGAA
306 TGAACGTCCGATAAAAATA mecA UGAACGUCCGAUAAAAAUA TATTTTTATCGGACGTTCA
307 GTTTAGGCGTTAAAGATAT mecA GUUUAGGCGUUAAAGAUAU ATATCTTTAACGCCTAAAC
308 ATCGCAACGTTCAATTTAA mecA AUCGCAACGUUCAAUUUAA TTAAATTGAACGTTGCGAT
309 AAAAGCGACTTCACATCTA mecA AAAAGCGACUUCACAUCUA TAGATGTGAAGTCGCTTTT
310 TCACAATCGTTGACGATAA mecA UCACAAUCGUUGACGAUAA TTATCGTCAACGATTGTGA
311 TCACCAGGTTCAACTCAAA mecA UCACCAGGUUCAACUCAAA TTTGAGTTGAACCTGGTGA
312 CCAGGTTCAACTCAAAAAA mecA CCAGGUUCAACUCAAAAAA TTTTTTGAGTTGAACCTGG
313 GCAATGATTGGGTTAAATA mecA GCAAUGAUUGGGUUAAAUA TATTTAACCCAATCATTGC
314 CAACGTTACAAGATATGAA mecA CAACGUUACAAGAUAUGAA TTCATATCTTGTAACGTTG
315 TGAAGTGGTAAATGGTAAT mecA UGAAGUGGUAAAUGGUAAU ATTACCATTTACCACTTCA
316 GAAGTGGTAAATGGTAATA mecA GAAGUGGUAAAUGGUAAUA TATTACCATTTACCACTTC
317 GCAATAGAATCATCAGATA mecA GCAAUAGAAUCAUCAGAUA TATCTGATGATTCTATTGC
318 AAAACTAGGTGTTGGTGAA mecA AAAACUAGGUGUUGGUGAA TTCACCAACACCTAGTTTT
319 CCAAGTGATTATCCATTTT mecA CCAAGUGAUUAUCCAUUUU AAAATGGATAATCACTTGG
320 TTACGGACAAGGTGAAATA mecA UUACGGACAAGGUGAAAUA TATTTCACCTTGTCCGTAA
321 GGACAAGGTGAAATACTGA mecA GGACAAGGUGAAAUACUGA TCAGTATTTCACCTTGTCC
322 CAAGGTGAAATACTGATTA mecA CAAGGUGAAAUACUGAUUA TAATCAGTATTTCACCTTG
323 CTATAGCGCATTAGAAAAT mecA CUAUAGCGCAUUAGAAAAU ATTTTCTAATGCGCTATAG
324 AGACACGAAAAACAAAGTT mecA AGACACGAAAAACAAAGUU AACTTTGTTTTTCGTGTCT
325 TGCAACAAGTCGTAAATAA mecA UGCAACAAGUCGUAAAUAA TTATTTACGACTTGTTGCA
序列表
<110>李,宝健
<120>用于抑制和杀灭耐药性细菌的双链小分子干扰核酸及其组合
<140>
<141>2007-12-14
<160>325
<170>PatentIn version 3.4
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<213>金黄色葡萄球菌Staphylococcus aureus
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<213>金黄色葡萄球菌Staphylococcus aureus
<400>21
<210>22
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>22
<210>23
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>23
<210>24
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>24
<210>25
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>25
<210>26
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>26
<210>27
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>27
<210>28
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>28
<210>29
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>29
<210>30
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>30
<210>31
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>31
<210>32
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>32
<210>33
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>33
<210>34
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>34
<210>35
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>35
<210>36
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>36
<210>37
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>37
<210>38
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>38
<210>39
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>39
<210>40
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>40
<210>41
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>41
<210>42
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>42
<210>43
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>43
<210>44
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>44
<210>45
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>45
<210>46
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>46
<210>47
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>47
<210>48
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>48
<210>49
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>49
<210>50
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>50
<210>51
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>51
<210>52
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>52
<210>53
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>53
<210>54
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>54
<210>55
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>55
<210>56
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>56
<210>57
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>57
<210>58
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>58
<210>59
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>59
<210>60
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>60
<210>61
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>61
<210>62
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>62
<210>63
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>63
<210>64
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>64
<210>65
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>65
<210>66
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>66
<210>67
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>67
<210>68
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>68
<210>69
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>69
<210>70
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>70
<210>71
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>71
<210>72
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>72
<210>73
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>73
<210>74
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>74
<210>75
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>75
<210>76
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>76
<210>77
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>77
<210>78
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>78
<210>79
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>79
<210>80
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>80
<210>81
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>81
<210>82
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>82
<210>83
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>83
<210>84
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>84
<210>85
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>85
<210>86
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>86
<210>87
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>87
<210>88
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>88
<210>89
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>89
<210>90
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>90
<210>91
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>91
<210>92
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>92
<210>93
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>93
<210>94
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>94
<210>95
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>95
<210>96
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>96
<210>97
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>97
<210>98
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>98
<210>99
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>99
<210>100
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>100
<210>101
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>101
<210>102
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>102
<210>103
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>103
<210>104
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>104
<210>105
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>105
<210>106
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>106
<210>107
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>107
<210>108
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>108
<210>109
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>109
<210>110
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>110
<210>111
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>111
<210>112
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>112
<210>113
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>113
<210>114
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>114
<210>115
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>115
<210>116
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>116
<210>117
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>117
<210>118
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>118
<210>119
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>119
<210>120
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>120
<210>121
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>121
<210>122
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>122
<210>123
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>123
<210>124
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>124
<210>125
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>125
<210>126
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>126
<210>127
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>127
<210>128
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>128
<210>129
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>129
<210>130
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>130
<210>131
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>131
<210>132
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>132
<210>133
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphy lococcus aureus
<400>133
<210>134
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>134
<210>135
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>135
<210>136
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>136
<210>137
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>137
<210>138
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>138
<210>139
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>139
<210>140
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>140
<210>141
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>141
<210>142
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>142
<210>143
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>143
<210>144
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>144
<210>145
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>145
<210>146
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>146
<210>147
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>147
<210>148
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>148
<210>149
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>149
<210>150
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>150
<210>151
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>151
<210>152
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>152
<210>153
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>153
<210>154
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>154
<210>155
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>155
<210>156
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>156
<210>157
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>157
<210>158
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>158
<210>159
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>159
<210>160
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>160
<210>161
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>161
<210>162
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>162
<210>163
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>163
<210>164
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>164
<210>165
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>165
<210>166
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>166
<210>167
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>167
<210>168
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>168
<210>169
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>169
<210>170
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>170
<210>171
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>171
<210>172
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>172
<210>173
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>173
<210>174
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>174
<210>175
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>175
<210>176
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>176
<210>177
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>177
<210>178
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>178
<210>179
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>179
<210>180
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>180
<210>181
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>181
<210>182
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>182
<210>183
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>183
<210>184
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>184
<210>185
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>185
<210>186
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>186
<210>187
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>187
<210>188
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>188
<210>189
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>189
<210>190
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>190
<210>191
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>191
<210>192
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>192
<210>193
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>193
<210>194
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>194
<210>195
<211>19
<212>DNA
<213>金黄色葡萄球菌Staphylococcus aureus
<400>195
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<212>DNA
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<212>DNA
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Claims (8)
1、用于抑制和杀灭各种耐药性细菌的双链小分子干扰核酸,其特征在于:所述的双链小分子干扰核酸即siNA为双链分子,有19个碱基配对,正义链和反义链各自在5’末端有两个突出碱基dT,GC含量为40-55%,包括双链RNA、双链DNA、RNA/DNA、DNA/RNA;所针对的靶序列选自金黄色葡萄球菌基因组中与复制,转录,翻译等生命活动的有关基因,以及与耐药性相关的mecA基因;所述靶序列在90%以上的金黄色葡萄球菌株中保守的且与人体基因组中的所有基因序列不同源的序列区域;所述的siNA双链分子的靶序列选自SEQ ID NO.1-325,正义链是与靶序列一一对应的DNA或RNA序列,反义链是根据碱基互补原则与正义链序列一一相应的RNA或DNA。
2、根据权利要求1所述的双链小分子干扰核酸,其特征在于:所述的与复制,转录,翻译等生命活动的有关基因是rpoA基因、ftsZ基因、infB基因、murA基因、dnaA基因;所述的与耐药性相关的基因是mecA基因;所述的靶序列中,SEQ ID NO.1-56是来自rpoA基因,SEQ ID NO.57-107是来自ftsZ基因,SEQ ID NO.108-176是来自infB基因,SEQID NO.177-234是来自murA基因,SEQ ID NO.235-298是来自dnaA基因,SEQ IDNO.299-325是来自mecA基因。
3、如权利要求1所述的双链小分子干扰核酸的组合,其特征在于:该组合是与靶序列SEQ ID NO.1-325一一对应的siNA双链分子的两条或两条以上的相互组合。
4、根据权利要求3所述的双链小分子干扰核酸的组合,其特征在于,所述的siRNA双链分子根据针对的靶序列所在基因分为以下各组:
(1)所述的靶序列中SEQ ID NO.1-56是来自rpoA基因;
(2)所述的靶序列中SEQ ID NO.57-107是来自ftsZ基因;
(3)所述的靶序列中SEQ ID NO.108-176是来自infB基因;
(4)所述的靶序列中SEQ ID NO.177-234是来自murA基因;
(5)所述的靶序列中SEQ ID NO.235-298是来自dnaA基因;以及
(6)所述的靶序列中SEQ ID NO.299-325是来自mecA基因;
上述同组siRNA双链分子的两条或两条以上相互组合。
5、根据权利要求3所述的双链小分子干扰核酸的组合,其特征在于,所述的siRNA双链分子根据针对的靶序列所在基因分为以下各组:
(1)所述的靶序列中SEQ ID NO.1-56是来自rpoA基因;
(2)所述的靶序列中SEQ ID NO.57-107是来自ftsZ基因;
(3)所述的靶序列中SEQ ID NO.108-176是来自infB基因;
(4)所述的靶序列中SEQ ID NO.177-234是来自murA基因;
(5)所述的靶序列中SEQ ID NO.235-298是来自dnaA基因;以及
(6)所述的靶序列中SEQ ID NO.299-325是来自mecA基因;
上述不同组siRNA双链分子的两条或两条以上相互组合。
6、如权利要求1所述的双链小分子干扰核酸的筛选方法,其特征在于,包括以下步骤:
1)对所有金黄色葡萄球菌株基因组进行同源性比对后,选取在90%以上的金黄色葡萄球菌株中保守的序列区域作为靶序列;
2)剔除容易形成二级结构而使siNA分子难以接近的靶序列;
3)剔除与人体基因组中的所有基因序列同源的靶序列;
4)在上述靶序列中选取长度为19bp的序列;
5)计算GC含量,选取GC含量为40-55%左右的序列;
6)经上述筛选得到候选siNA的靶位点,设计出相应的siNA,然后通过抑制金黄色葡萄球菌生长实验进行筛选,得到有效抑制或杀灭金黄色葡萄球菌的siNA序列。
7、如权利要求1所述的双链小分子干扰核酸用于制备预防与治疗以耐甲氧西林性金黄色葡萄球菌MRSA为代表的具多重耐药性基因变异的细菌引起的疾病的药物的用途。
8、如权利要求3所述的双链小分子干扰核酸的组合用于制备预防与治疗以耐甲氧西林性金黄色葡萄球菌MRSA为代表的具多重耐药性基因变异的细菌引起的疾病的药物的用途。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2007100324585A CN101457222B (zh) | 2007-12-14 | 2007-12-14 | 用于抑制和杀灭耐药性细菌的双链小分子干扰核酸及其组合 |
Applications Claiming Priority (1)
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CN110368399A (zh) * | 2018-04-13 | 2019-10-25 | 成都腾达树纳米生物科技有限公司 | 一种反义肽核酸-dna四面体载体复合物及其制备方法和应用 |
WO2020035619A1 (en) * | 2018-08-17 | 2020-02-20 | Centre National De La Recherche Scientifique (Cnrs) | Rna-based biocontrol methods to protect plants against pathogenic bacteria and / or promote beneficial effects of symbiotic and commensal bacteria |
CN112972702A (zh) * | 2019-12-17 | 2021-06-18 | 南京大学 | 用于治疗耐药菌感染的外泌体制剂 |
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KR20160021076A (ko) * | 2013-03-15 | 2016-02-24 | 테출론 인코포레이티드 | 스타필로코커스 아우레우스 감염의 치료를 위한 안티센스 분자 |
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