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[1]丁泽红,付莉莉,吴春来,等.木薯MeTPS1基因克隆、表达及生物信息学分析[J].江苏农业科学,2018,46(09):28-33.
 Ding Zehong,et al.Cloning,expression and bioinformatic analysis of MeTPS1 gene in cassava[J].Jiangsu Agricultural Sciences,2018,46(09):28-33.
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木薯MeTPS1基因克隆、表达及生物信息学分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年09期
页码:
28-33
栏目:
生物技术
出版日期:
2018-05-05

文章信息/Info

Title:
Cloning,expression and bioinformatic analysis of MeTPS1 gene in cassava
作者:
丁泽红 付莉莉 吴春来 胡伟
中国热带农业科学院热带生物技术研究所,海南海口 571101
Author(s):
Ding Zehonget al
关键词:
海藻糖合成酶MeTPS1干旱低温遮阴ABA表达分析
Keywords:
-
分类号:
S533.01
DOI:
-
文献标志码:
A
摘要:
海藻糖-6-磷酸合成酶(trehalose-6-phosphate synthase,简称TPS)是海藻糖生物合成途径中的关键酶,提高TPS基因的表达量可以增强植物在干旱、低温等非生物胁迫条件下的抗逆性。木薯是重要的热带经济作物和粮食作物,在严重干旱、低温或密植(遮阴)条件下,木薯块根产量会显著减少。为了研究TPS基因在木薯抗逆中的功能,通过同源基因克隆的方法,从木薯叶片中克隆了1个TPS基因MeTPS1,该基因含有1个2 781 bp的开放阅读框,编码926个氨基酸,含有TPS家族保守结构域。系统进化树分析表明,MeTPS1与杨树、杞柳中同源基因的亲缘关系较近,序列相似性分别达到88.1%、89.4%。启动子元件分析表明,MeTPS1含有干旱诱导元件(MBS)、热胁迫响应元件(HSE)、防御和胁迫响应元件(TC-rich repeats)以及光响应元件(ACE、Box I、Box 4)等。实时荧光定量PCR分析表明,MeTPS1在叶片中的表达量最高,在须根和储藏根中表达量最低,并且MeTPS1基因的表达能被干旱、低温和遮阴处理显著诱导,但对ABA处理无明显响应。这些结果表明,MeTPS1在转录水平参与木薯干旱、低温和遮阴胁迫的响应,可将其作为候选基因进一步研究其在木薯抗逆中的功能。
Abstract:
-

参考文献/References:

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相似文献/References:

备注/Memo

备注/Memo:
收稿日期:2017-08-21
基金项目:国家自然科学基金(编号:31600198);中央级公益性科研院所基本科研业务费专项资金(编号:1630052016012)。
作者简介:丁泽红(1982—),男,湖南岳阳人,博士,副研究员,主要从事植物分子生物学研究。Tel:(0898)66989380;E-mail:dingzehong@itbb.org.cn。
通信作者:胡伟,博士,副研究员,主要从事植物分子生物学研究。Tel:(0898)66890587;E-mail:huwei2010916@126.com。
更新日期/Last Update: 2018-05-05