CN109082477B - 一种不同品种青稞的鉴别方法 - Google Patents

一种不同品种青稞的鉴别方法 Download PDF

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CN109082477B
CN109082477B CN201810917730.6A CN201810917730A CN109082477B CN 109082477 B CN109082477 B CN 109082477B CN 201810917730 A CN201810917730 A CN 201810917730A CN 109082477 B CN109082477 B CN 109082477B
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highland barley
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原红军
扎桑
顿珠加布
杨春葆
于明寨
曾兴权
王玉林
徐齐君
韦泽秀
尼玛扎西
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Institute Of Agriculture Tibet Autonomous Region Academy Of Agriculture And Animal Husbandry
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Abstract

本发明公开了一种用于鉴定青稞品种的试剂盒,它包括SEQ ID NO.1~28所示的14对SSR引物。本发明还提供了一种鉴定青稞品种的方法。本发明提供的检测方法可以准确、有效地区分青稞的品种,成本低廉,为青稞快速鉴定提供了条件。

Description

一种不同品种青稞的鉴别方法
技术领域
本发明涉及一种青稞品种的鉴别方法。
背景知识
青稞(Hordeum vulgare Linn.var.nudum Hook.f.)是禾本科大麦属的一种禾谷类作物,因其内外颖壳分离,籽粒裸露,故又称裸大麦、元麦、米大麦。主要产自中国西藏、青海、四川、云南等地,是藏族人民的主要粮食。青稞
有着广泛的药用以及营养价值,已推出了青稞挂面、青稞馒头、青稞营养粉等青稞产品。
青稞作为一种具有营养保健功能的特色杂粮,迎合了当前人们追求营养、健康的消费心理,备受青睐。近年来,随着育成的青稞品种的增加,有关鉴定不同青稞品种的报道较少,目前大多采用形态学鉴定,然而,形态学鉴定耗时费力,成本高,对人员的要求高,难满足青稞繁多品种的鉴定需求。
发明内容
为了解决上述问题,本发明提供了一种利用SSR引物扩增检测青稞品种的方法。
本发明提供了一种用于鉴定青稞品种的试剂盒,它包括SEQ ID NO.1~28所示的14对SSR引物。
其中,所述试剂盒还包括SEQ ID NO.29~32所述的2对SSR引物、SEQ ID NO.33~40所述的4对SSR引物和/或SEQ ID NO.41~44所述的2对SSR引物。
其中,所述试剂盒还包括PCR扩增用试剂。
其中,所述试剂盒还包括DNA提取用试剂。
本发明还提供了前述试剂盒在鉴定青稞品种中的用途。
其中,所述青稞是品种为福8-4、南-3、山南白青稞、甘靑3号、昆仑15号、北青3号、藏青2000、北青9号、北青1号、喜拉2号、北青5号、康青6号、甘靑4号、昆仑2号、喜拉6号、昆仑8号、藏青85、林芝黑六棱、高原早1号、康青3号、喜拉10号、甘青5号、甘农大NFC、甘农大7号、2010区04、阿里白青稞的青稞。
本发明还提供了一种鉴定青稞品种的方法,它是采用前述试剂盒鉴定。
所述方法包括如下步骤:
(1)提取样本DNA:取待检青稞样品,提取其中的DNA;
(2)基因扩增:用前述的试剂盒对待检样本进行PCR扩增;
(3)结果检测:对DNA扩增结果进行检测。
步骤(1)中,所述青稞是品种为福8-4、南-3、山南白青稞、甘靑3号、昆仑15号、北青3号、藏青2000、北青9号、北青1号、喜拉2号、北青5号、康青6号、甘靑4号、昆仑2号、喜拉6号、昆仑8号、藏青85、林芝黑六棱、高原早1号、康青3号、喜拉10号、甘靑5号、甘农大NFC、甘农大7号、2010区04、阿里白青稞的青稞。
本发明还提供了一组引物对,其包括SEQ ID NO.1~28所示的14对SSR引物;优选还包括SEQ ID NO.29~32所述的2对SSR引物、SEQ ID NO.33~40所述的4对SSR引物和/或SEQ ID NO.41~44所述的2对SSR引物。
本发明提供的试剂盒和方法可以有效鉴别不同品种的青稞,克服现有方法鉴别青稞存在的问题,成本低廉,为青稞种子真实性和纯度快速鉴定提供了条件,应用前景优良。
下面通过具体实施方式对本发明做进一步详细说明,但是并不是对本发明的限制,根据本发明的上述内容,按照本领域的普通技术知识和惯用手段,在不脱离本发明上述基本技术思想前提下,还可以做出其它多种形式的修改、替换或变更。
具体实施方式
实施例1本发明青稞鉴别方法
1、SR引物
表1 32对SSR引物(由北京擎科新业生物技术有限公司合成):
Figure GDA0003218564980000021
Figure GDA0003218564980000031
2、材料和试剂
材料:青稞种子
引物:表1所述引物。
试剂:Master mix酶和去离子水(ddH2O)以及提取植物基因组DNA提取试剂盒均由天根公司提供。
3、检测方法
3.1DNA提取
严格按照试剂盒说明书提取青稞叶片的DNA。
3.2 SSR-PCR引物扩增
反应体系:总体积20μl,包括2μl的引物(一个体系对应一对引物)、2μl的DNA模板、6μl的ddH2O、10μl Mastermix酶。
反应程序:94℃预变性4min,94℃变性35s,65℃退火35s,72℃延伸40s,共10个循环,每次循环退火温度降低1℃;94℃预变性35s,95℃变性35s,72℃退火40s,72℃延伸10min,共32个循环。
3.3检测
采用琼脂糖凝胶电泳,检测条带扩增情况,在ABI3730仪器上机检测PCR产物条带大小。
实施例2采用本发明青稞鉴别方法鉴别青稞
1、材料
青稞材料如下表2所示:
本申请的所有材料都可以购买得到。
表2青稞材料及其来源和性质
Figure GDA0003218564980000041
Figure GDA0003218564980000051
续表2-1
Figure GDA0003218564980000052
Figure GDA0003218564980000061
续表2-2
Figure GDA0003218564980000062
Figure GDA0003218564980000071
2、检测方法
采用实施例1所用的引物、试剂和方法进行检测
Figure GDA0003218564980000081
Figure GDA0003218564980000091
Figure GDA0003218564980000101
Figure GDA0003218564980000111
Figure GDA0003218564980000121
Figure GDA0003218564980000131
Figure GDA0003218564980000141
Figure GDA0003218564980000151
Figure GDA0003218564980000161
Figure GDA0003218564980000171
Figure GDA0003218564980000181
如表3所示,采用本发明引物可以扩增27个青稞品种,得到的结果不同,因此可以通过表1所示引物组鉴别不同的品种。
实验结果说明,本发明寻找到了能够鉴别表2所示27个品种的青稞的24对SSR引物,可以用于表2所示27个品种的青稞的鉴别。
综上,本发明提供的试剂盒和方法可以有效鉴别不同品种的青稞,克服现有方法鉴别青稞存在的问题,成本低廉,为青稞快速鉴定提供了条件,应用前景优良。
序列表
<110> 西藏自治区农牧科学院农业研究所
<120> 一种不同品种青稞的鉴别方法
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tctccatttc aattttcccg 20
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atgacagtgc gtgtccagag 20
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gtcaagcttc gatcctctgc 20
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Claims (9)

1.一种用于鉴定青稞品种的试剂盒,其特征在于:它包括SEQ ID NO.1~28所示的14对SSR引物。
2.根据权利要求1所述的试剂盒,其特征在于:所述试剂盒还包括SEQ ID NO.29~32所述的2对SSR引物、SEQ ID NO.33~40所述的4对SSR引物和/或SEQ ID NO.41~44所述的2对SSR引物。
3.根据权利要求1或2所述的试剂盒,其特征在于:所述试剂盒还包括PCR扩增用试剂。
4.根据权利要求1或2所述的试剂盒,其特征在于:所述试剂盒还包括DNA提取用试剂。
5.权利要求1~4任意一项所述试剂盒在鉴定青稞品种中的用途,其特征在于:所述青稞是品种为福8-4、南-3、山南白青稞、甘靑3号、昆仑15号、北青3号、藏青2000、北青9号、北青1号、喜拉2号、北青5号、康青6号、甘靑4号、昆仑2号、喜拉6号、昆仑8号、藏青85、林芝黑六棱、高原早1号、康青3号、喜拉10号、甘靑5号、甘农大NFC、甘农大7号、2010区04、阿里白青稞的青稞。
6.一种鉴定青稞品种的方法,其特征在于:它是采用权利要求1~4任意一项所述试剂盒鉴定;
所述青稞是品种为福8-4、南-3、山南白青稞、甘靑3号、昆仑15号、北青3号、藏青2000、北青9号、北青1号、喜拉2号、北青5号、康青6号、甘靑4号、昆仑2号、喜拉6号、昆仑8号、藏青85、林芝黑六棱、高原早1号、康青3号、喜拉10号、甘靑5号、甘农大NFC、甘农大7号、2010区04、阿里白青稞的青稞。
7.根据权利要求6所述的方法,其特征在于:它包括如下步骤:
(1)提取样本DNA:取待检青稞样品,提取其中的DNA;
(2)基因扩增:用权利要求1~4任意一项所述的试剂盒对待检样本进行PCR扩增;
(3)结果检测:对DNA扩增结果进行检测。
8.一组引物对,其特征在于:其包括SEQ ID NO.1~28所示的14对SSR引物。
9.根据权利要求8所述的引物对,其特征在于:还包括SEQ ID NO.29~32所述的2对SSR引物、SEQ ID NO.33~40所述的4对SSR引物和/或SEQ ID NO.41~44所述的2对SSR引物。
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