甘蓝型油菜丝裂原活化蛋白激酶7基因(BnMAPK7)上游调控因子的鉴定
丝裂原活化蛋白激酶(Mitogen-activated protein kinases,MAPKs)级联途径在植物的生长发育、分裂分化、细胞凋亡以及抗逆等多种生命过程中发挥着极其重要的作用.本研究从甘蓝型油菜中分离克隆了1个C族BnMAPK7基因的启动子,序列长度为1612 bp,命名为ProBnMAPK7.启动子分析工具PlantCARE预测结果表明,ProBnMAPK7含有大量响应光照、激素、防御和损伤等相关顺式作用元件,包括ACE、MRE、ABRE、TGACG-motif和TC-rich repeats等.同时,我们对拟南芥及甘蓝型油菜MAPK7基因的表达模式进行分析发现,MAPK7对生...
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Published in | 作物学报 Vol. 47; no. 12; pp. 2379 - 2393 |
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Main Authors | , , , , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
西南大学现代农业科学研究院, 重庆 400715
12.12.2021
西南大学农学与生物科技学院 / 油菜工程研究中心, 重庆 400715 |
Subjects | |
Online Access | Get full text |
ISSN | 0496-3490 |
DOI | 10.3724/SP.J.1006.2021.04280 |
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Abstract | 丝裂原活化蛋白激酶(Mitogen-activated protein kinases,MAPKs)级联途径在植物的生长发育、分裂分化、细胞凋亡以及抗逆等多种生命过程中发挥着极其重要的作用.本研究从甘蓝型油菜中分离克隆了1个C族BnMAPK7基因的启动子,序列长度为1612 bp,命名为ProBnMAPK7.启动子分析工具PlantCARE预测结果表明,ProBnMAPK7含有大量响应光照、激素、防御和损伤等相关顺式作用元件,包括ACE、MRE、ABRE、TGACG-motif和TC-rich repeats等.同时,我们对拟南芥及甘蓝型油菜MAPK7基因的表达模式进行分析发现,MAPK7对生长发育以及生物和非生物胁迫应答过程具有重要调控意义.将ProBnMAPK7逐步分段连接至pCambia1305.1-GUS表达载体筛选启动子的核心区段,GUS组织化学染色分析显示该启动子的核心区段定位于?467~ ?239 bp(ProBnMAPK7-rPE).将核心区段3拷贝串联重复后整合至Y1H gold基因组,并进行AbA背景测试,结果显示AbA浓度为500 ng mL?1时,ProBnMAPK7-rPE×3在酵母细胞中的本底表达被完全抑制.利用酵母单杂交技术对BnMAPK7的上游调控因子进行文库筛选,获得3个候选因子BnNAD1B(NADH dehydrogenase 1B)、BnERD6(early response to dehydration 6)和BnPIG3(quinone oxidoreductase PIG3-like).表明BnNAD1B、BnERD6及BnPIG3蛋白可能通过结合ProBnMAPK7-rPE区段调控BnMAPK7的转录,使得BnMAPK7参与光合作用以及逆境胁迫应答等生物学过程,为进一步阐明甘蓝型油菜BnMAPK7基因的功能奠定了基础,也为MAPKs级联的研究提供了新的思路. |
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AbstractList | 丝裂原活化蛋白激酶(Mitogen-activated protein kinases,MAPKs)级联途径在植物的生长发育、分裂分化、细胞凋亡以及抗逆等多种生命过程中发挥着极其重要的作用.本研究从甘蓝型油菜中分离克隆了1个C族BnMAPK7基因的启动子,序列长度为1612 bp,命名为ProBnMAPK7.启动子分析工具PlantCARE预测结果表明,ProBnMAPK7含有大量响应光照、激素、防御和损伤等相关顺式作用元件,包括ACE、MRE、ABRE、TGACG-motif和TC-rich repeats等.同时,我们对拟南芥及甘蓝型油菜MAPK7基因的表达模式进行分析发现,MAPK7对生长发育以及生物和非生物胁迫应答过程具有重要调控意义.将ProBnMAPK7逐步分段连接至pCambia1305.1-GUS表达载体筛选启动子的核心区段,GUS组织化学染色分析显示该启动子的核心区段定位于?467~ ?239 bp(ProBnMAPK7-rPE).将核心区段3拷贝串联重复后整合至Y1H gold基因组,并进行AbA背景测试,结果显示AbA浓度为500 ng mL?1时,ProBnMAPK7-rPE×3在酵母细胞中的本底表达被完全抑制.利用酵母单杂交技术对BnMAPK7的上游调控因子进行文库筛选,获得3个候选因子BnNAD1B(NADH dehydrogenase 1B)、BnERD6(early response to dehydration 6)和BnPIG3(quinone oxidoreductase PIG3-like).表明BnNAD1B、BnERD6及BnPIG3蛋白可能通过结合ProBnMAPK7-rPE区段调控BnMAPK7的转录,使得BnMAPK7参与光合作用以及逆境胁迫应答等生物学过程,为进一步阐明甘蓝型油菜BnMAPK7基因的功能奠定了基础,也为MAPKs级联的研究提供了新的思路. |
Author | 朱冬鸣 孟晓静 曲存民 张晓莉 卢坤 梁颖 缪文杰 姚梦楠 王珍 袁大双 李加纳 |
AuthorAffiliation | 西南大学农学与生物科技学院 / 油菜工程研究中心, 重庆 400715;西南大学现代农业科学研究院, 重庆 400715 |
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Author_FL | MENG Xiao-Jing LU Kun QU Cun-Min ZHANG Xiao-Li LIANG Ying MIU Wen-Jie ZHU Dong-Ming LI Jia-Na YAO Meng-Nan WANG Zhen YUAN Da-Shuang |
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DocumentTitle_FL | Identification of upstream regulators for mitogen-activated protein kinase 7 gene (BnMAPK7) in rapeseed (Brassica napus L.) |
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Keywords | 甘蓝型油菜;ProBnMAPK7;启动子;上游调控因子;酵母单杂交 |
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Title | 甘蓝型油菜丝裂原活化蛋白激酶7基因(BnMAPK7)上游调控因子的鉴定 |
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