JP2015501641A - 関連するアクチノバクテリアの遺伝的形質転換のためのプラスミドとしての、アクチノプラネス属se50/110由来の新規な放線菌組込み接合エレメント - Google Patents
関連するアクチノバクテリアの遺伝的形質転換のためのプラスミドとしての、アクチノプラネス属se50/110由来の新規な放線菌組込み接合エレメント Download PDFInfo
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Abstract
Description
原核生物アクチノプラネス属(Actinoplanes sp.) SE50/110は、2型糖尿病の治療において世界中で使用されている、α−グルコシダーゼ阻害剤アカルボースを産生する。2型糖尿病の発生率が世界的に急速に上昇しているという事実に基づいて、アカルボースの需要の増大が、将来的に予測されている。これらの期待に応えるために、株およびその誘導体の遺伝子操作は、アカルボース収量を増大させることを目指して行われなければならない。しかしながら、現在、この株のための遺伝子操作のためのツールは存在しておらず、菌株改良の過程を妨げている。
アクチノプラネス属(Actinoplanes sp.) SE50/110は、約9.25MBの大きさの高G+C含量のゲノムを有する、グラム陽性、好気性細菌である(Schwientek et al., 2012)。その医学的に重要な生物は、ヒトα−グルコシダーゼを阻害することが見出された様々な化学的に関連する物質の天然の生産者であり(Caspary and Graf, 1979)、医薬用途に特に適している(Frommer et al., 1975, 1977 a, 1977 b, 1979)。特に、十分に特徴付けられたアカルボース遺伝子クラスターにコードされる酵素によって合成される、シュードテトラサッカライドアカルボースは、2型糖尿病(インスリン非依存性)の治療に世界中で使用されている。
a)配列番号1の配列を有するポリヌクレオチド、
b)(a)で特定されるポリヌクレオチドにストリンジェントな条件下でハイブリダイズするポリヌクレオチド、および
c)配列番号1の配列と少なくとも90%同一性を有するポリヌクレオチド
からなる群から選択される。
a)有用な培地において上記宿主細胞を培養する段階、
b)培養物から産物を回収する段階、および
c)産物を単離および精製する段階
を含む、生物学的産物の調製のための方法において有用である。この方法における最も好ましい産物はアカルボースである。
遺伝子int(ゲノム遺伝子座タグ:ACPL_6310)は、388アミノ酸の長さを有するAICEのインテグラーゼをコードする。その配列は、最初の383アミノ酸内で、ストレプトマイセス・グリセオフラブス(Streptomyces griseoflavus) Tu4000のインテグラーゼ(GenBank:EFL40120.1)に74%の類似性を示す。該タンパク質のインテグラーゼドメインは、アミノ酸182−365に位置し、Int/Topo IBシグネチャーモチーフ(保存ドメイン:cd01182)に高い類似性(e値 2.90e−21)を示す。該インテグラーゼは、2つの類似する、染色体上の付着部位attBおよびAICE上のattPの間で生じる、部位特異的組換えによる、tRNA遺伝子内への組込みの原因である(te Poele, Bolhuis, et al., 2008)。
Claims (6)
- d)配列番号1の配列を有するポリヌクレオチド、
e)(a)で特定されるポリヌクレオチドにストリンジェントな条件下でハイブリダイズするポリヌクレオチド、および
f)配列番号1の配列と少なくとも90%同一性を有するポリヌクレオチド
からなる群から選択される、放線菌組込み接合エレメント。 - 配列番号1の配列と少なくとも95%同一性を有する、請求項1の放線菌組込み接合エレメント。
- 配列番号1および2の放線菌組込み接合エレメントで形質転換された宿主細胞。
- 細胞がアクチノプラネス属(Actinoplanes sp.)である、請求項3の宿主細胞。
- d)有用な培地において請求項3または4の宿主細胞を培養する段階、
e)培養物から産物を回収する段階、および
f)産物を単離および精製する段階
を含む、生物学的産物の調製のための方法。 - 産物がアカルボースである、請求項5の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11192618.4 | 2011-12-08 | ||
EP11192618 | 2011-12-08 | ||
PCT/EP2012/074366 WO2013083566A1 (en) | 2011-12-08 | 2012-12-04 | New actinomycete integrative and conjugative element from actinoplanes sp. se50/110 as plasmid for genetic transformation of related actinobacteria |
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JP2015501641A true JP2015501641A (ja) | 2015-01-19 |
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JP2014545206A Pending JP2015501641A (ja) | 2011-12-08 | 2012-12-04 | 関連するアクチノバクテリアの遺伝的形質転換のためのプラスミドとしての、アクチノプラネス属se50/110由来の新規な放線菌組込み接合エレメント |
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US (2) | US9217154B2 (ja) |
EP (1) | EP2788373B1 (ja) |
JP (1) | JP2015501641A (ja) |
KR (1) | KR20140109922A (ja) |
CN (1) | CN104144942A (ja) |
AR (1) | AR089117A1 (ja) |
CA (1) | CA2858259A1 (ja) |
ES (1) | ES2718331T3 (ja) |
HK (1) | HK1203970A1 (ja) |
IL (1) | IL232587A (ja) |
IN (1) | IN2014CN04155A (ja) |
WO (1) | WO2013083566A1 (ja) |
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CN104144942A (zh) | 2011-12-08 | 2014-11-12 | 拜耳知识产权有限责任公司 | 来自游动放线菌属菌种se50/110的新的放射菌整合和接合元件作为用于相关放线菌基因转化的质粒 |
CN112522174B (zh) * | 2020-12-25 | 2022-08-09 | 上海交通大学 | 一种敲除负调控蛋白基因以提高阿卡波糖发酵水平的方法 |
CN112592878B (zh) * | 2020-12-25 | 2022-08-26 | 上海交通大学 | 增强正调控蛋白基因表达以提高阿卡波糖发酵水平的方法 |
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DE2064092C2 (de) | 1970-12-28 | 1983-06-01 | Bayer Ag, 5090 Leverkusen | Inhibitoren für Glykosidhydrolasen aus Actinomyceten |
DE2209834C3 (de) | 1972-03-01 | 1978-04-20 | Bayer Ag, 5090 Leverkusen | Herstellung von Saccharase-Inhibitoren |
US4062950A (en) | 1973-09-22 | 1977-12-13 | Bayer Aktiengesellschaft | Amino sugar derivatives |
DE2347782C3 (de) | 1973-09-22 | 1979-10-11 | Bayer Ag, 5090 Leverkusen | Aminozuckerderivate, Verfahren zu ihrer Herstellung sowie diese Verbindungen enthaltende Arzneimittel |
EP0796915A3 (de) * | 1996-03-22 | 1999-04-14 | Bayer Ag | Verfahren zur Herstellung sowie zur Verwendung von Acarviosyl-Transferase bei der Umwandlung von Acarbose-Homologen in Acarbose, zur Herstellung von Acarbose-Homologen |
TW201217533A (en) * | 2010-08-04 | 2012-05-01 | Bayer Pharma AG | Genomics of actinoplanes utahensis |
CN104144942A (zh) | 2011-12-08 | 2014-11-12 | 拜耳知识产权有限责任公司 | 来自游动放线菌属菌种se50/110的新的放射菌整合和接合元件作为用于相关放线菌基因转化的质粒 |
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EP2788373A1 (en) | 2014-10-15 |
AR089117A1 (es) | 2014-07-30 |
CN104144942A (zh) | 2014-11-12 |
IN2014CN04155A (ja) | 2015-07-17 |
IL232587A0 (en) | 2014-06-30 |
HK1203970A1 (en) | 2015-11-06 |
US9562249B2 (en) | 2017-02-07 |
EP2788373B1 (en) | 2019-01-23 |
ES2718331T3 (es) | 2019-07-01 |
IL232587A (en) | 2017-08-31 |
US20160130622A1 (en) | 2016-05-12 |
WO2013083566A1 (en) | 2013-06-13 |
US9217154B2 (en) | 2015-12-22 |
CA2858259A1 (en) | 2013-06-13 |
US20140349346A1 (en) | 2014-11-27 |
KR20140109922A (ko) | 2014-09-16 |
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