辣椒中辣椒素生物合成途径基因Kas克隆及表达研究
3-氧酰基[酰基载体蛋白]还原酶(3-oxoacyl-[acyl-carrier-protein]synthase,Kas)在辣椒素生物合成途径中起着重要作用,但其全长DNA序列仍未见报道。以辣椒益都红基因组为模板,根据同源性设计特异引物PCR扩增得到辣椒Kas基因DNA序列(GenBank登录号:HQ229922)。Kas DNA序列全长3 456 bp,有8个外显子区域,编码488个氨基酸;推测蛋白分子质量为52.2 ku,等电点8.24。经同源比对分析得出,辣椒Kas与其他物种Kas有一定同源性;其中,与小米椒的遗传距离为0.0723。通过半定量RT-PCR分析发现,Kas在胎座中的表达...
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| Published in | 东北农业大学学报 Vol. 42; no. 1; pp. 103 - 108 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
吉林大学植物科学学院,长春,130062
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-9369 |
| DOI | 10.3969/j.issn.1005-9369.2011.01.019 |
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| Abstract | 3-氧酰基[酰基载体蛋白]还原酶(3-oxoacyl-[acyl-carrier-protein]synthase,Kas)在辣椒素生物合成途径中起着重要作用,但其全长DNA序列仍未见报道。以辣椒益都红基因组为模板,根据同源性设计特异引物PCR扩增得到辣椒Kas基因DNA序列(GenBank登录号:HQ229922)。Kas DNA序列全长3 456 bp,有8个外显子区域,编码488个氨基酸;推测蛋白分子质量为52.2 ku,等电点8.24。经同源比对分析得出,辣椒Kas与其他物种Kas有一定同源性;其中,与小米椒的遗传距离为0.0723。通过半定量RT-PCR分析发现,Kas在胎座中的表达量要高于肉质体中的表达量,授粉10 d后Kas的表达量逐渐降低。另外,植物激素油菜素内酯(Brassinosteroid,BR)对辣椒胎座Kas基因的表达有促进作用,在处理24 h后Kas表达量达到最高,随后逐渐降低。该基因的克隆与表达分析为深入研究辣椒Kas基因表达调控和辣椒素的生物合成机制奠定了重要基础。 |
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| AbstractList | 3-氧酰基[酰基载体蛋白]还原酶(3-oxoacyl-[acyl-carrier-protein]synthase,Kas)在辣椒素生物合成途径中起着重要作用,但其全长DNA序列仍未见报道。以辣椒益都红基因组为模板,根据同源性设计特异引物PCR扩增得到辣椒Kas基因DNA序列(GenBank登录号:HQ229922)。Kas DNA序列全长3 456 bp,有8个外显子区域,编码488个氨基酸;推测蛋白分子质量为52.2 ku,等电点8.24。经同源比对分析得出,辣椒Kas与其他物种Kas有一定同源性;其中,与小米椒的遗传距离为0.0723。通过半定量RT-PCR分析发现,Kas在胎座中的表达量要高于肉质体中的表达量,授粉10 d后Kas的表达量逐渐降低。另外,植物激素油菜素内酯(Brassinosteroid,BR)对辣椒胎座Kas基因的表达有促进作用,在处理24 h后Kas表达量达到最高,随后逐渐降低。该基因的克隆与表达分析为深入研究辣椒Kas基因表达调控和辣椒素的生物合成机制奠定了重要基础。 S641.3%Q785; 3-氧酰基[酰基载体蛋白]还原酶(3-oxoacyl-[acyl-carrier-protein]synthase,Kas)在辣椒素生物合成途径中起着重要作用,但其全长DNA序列仍未见报道.以辣椒益都红基因组为模板,根据同源性设计特异引物PCR扩增得到辣椒Kas基因DNA序列(GenBank登录号:HQ229922).Kas DNA序列全长3 456 bp,有8个外显子区域,编码488 个基酸;推测蛋白分子质量为52.2 ku,等电点8.24.经同源比对分析得出,辣椒Kas与其他物种Kas有一定同源性;其中,与小米椒的遗传距离为0.0723.通过半定量RT-PCR分析发现,Kas在胎座中的表达量要高于肉质体中的表达量,授粉10 d后Kas的表达量逐渐降低.另外,植物激素油菜素内酯(Brassinosteroid.BR)对辣椒胎座Kas基因的表达有促进作用,在处理24 h后Kas表达量达到最高,随后逐渐降低.该基因的克隆与表达分析为深入研究辣椒Kas基因表达调控和辣椒素的生物合成机制奠定了重要基础. |
| Author | 阮文渊 贾承国 李彦磊 郭庆勋 |
| AuthorAffiliation | 吉林大学植物科学学院,长春130062 |
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| Author_FL | RUAN Wenyuan GUO Qingxun JIA Chengguo LI Yanlei |
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| DocumentTitleAlternate | Cloning and expression of Kas gene related to capsaicin biosynthesis in Capsicum annuum L |
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| Keywords | 辣椒素 3-氧酰基[酰基载体蛋白]还原酶(Kas) 油菜素内酯 表达分析 |
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| Notes | expression assay capsaicin; 3-oxoacyl-[acyl-carrier-protein] synthase (Kas); brassinosteroid (BR); expression assay 23-1391/S S641.3 Q785 capsaicin brassinosteroid (BR) 3-oxoacyl-[acyl-carrier-protein] synthase (Kas) |
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| SubjectTerms | 3-氧酰基[酰基载体蛋白]还原酶(Kas) 油菜素内酯 表达分析 辣椒素 |
| Title | 辣椒中辣椒素生物合成途径基因Kas克隆及表达研究 |
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