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Transcriptome analysis of newly classified bZIP transcription factors of Brassica rapa in cold stress response

机译:甘蓝型油菜新分类bZIP转录因子在冷胁迫下的转录组分析

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摘要

Plant bZIP transcription factors play crucial roles in biological processes. In this study, 136 putative bZIP transcription members were identified in Brassica rapa. The bZIP family can be divided into nine groups according to the specific amino acid rich domain in B. rapa and Arabidopsis thaliana. To screen the cold stress responsive BrbZIP genes, we evaluated whether the transcription patterns of the BrbZIP genes were enhanced by cold treatment in the inbred lines, Chiifu and Kenshin, by microarray data analysis and qRT-PCR. The expression level of six genes increased significantly in Kenshin, but these genes were unchanged in Chiifu. These findings suggest that the six genes that encoded proteins containing N-rich regions might be involved in cold stress response. The results presented herein provide valuable information regarding the molecular basis of the bZIP transcription factors and their potential function in regulation growth and development, particularly in cold stress response. (C) 2014 Elsevier Inc All rights reserved.
机译:植物bZIP转录因子在生物过程中起关键作用。在这项研究中,在甘蓝型油菜中鉴定了136个假定的bZIP转录成员。根据B. rapa和拟南芥中特定的富含氨基酸的结构域,bZIP家族可分为九个组。为了筛选冷胁迫响应的BrbZIP基因,我们通过基因芯片数据分析和qRT-PCR评价了近交系Chiifu和Kenshin中的冷处理是否增强了BrbZIP基因的转录模式。在Kenshin中,六个基因的表达水平显着增加,但在Chiifu中,这些基因没有变化。这些发现表明,编码包含富氮区的蛋白质的六个基因可能参与了冷应激反应。本文提供的结果提供了有关bZIP转录因子的分子基础及其在调节生长和发育(尤其是冷应激反应中)的潜在功能的有价值的信息。 (C)2014 Elsevier Inc保留所有权利。

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