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学科主题: Marine & Freshwater Biology ; Toxicology
题名: Characterization and expression analysis of three CBF/DREB1 transcriptional factor genes from mangrove Avicennia marina
作者: [Peng, Ya-Lan ; Wang, You-Shao ; Cheng, Hao ; Sun, Cui-Ci ; Wu, Peng ; Wang, Li-Ying ; Fei, Jiao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Wang, You-Shao ; Sun, Cui-Ci] Chinese Acad Sci, Daya Bay Marine Biol Res Stn, Shenzhen 518121, Peoples R China
通讯作者: yswang@scsio.ac.cn
关键词: Abiotic stress ; Avicennia marina ; CBF/DREB1 transcription factor ; Gene expression ; Mangrove ; Real-time quantitative PCR
刊名: AQUATIC TOXICOLOGY
发表日期: 2013
卷: 140, 页:68-76
部门归属: LTO
资助者: This research was supported by the National Natural Science Foundation of China (Nos. 41176101 and 41076070), the projects of knowledge innovation program of Chinese Academy of Sciences (KSCX2-YW-Z-1024) and the key projects in the National Science & Technology Pillar Program in the Eleventh Five-year Plan Period (No. 2012BAC07B0402 and 2009BADB2B06).
摘要: Three CBF/DREB1 (C-repeat binding factor/dehydration responsive element-binding factor 1) homologues were isolated from mangrove Avicennia marina and designated AmCBF1, 2 and 3. Multiple sequence analysis showed that the three deduced proteins all contain an AP2 DNA-binding domain and two CBF signature sequences. According to the phylogenetic analysis, these proteins belong to the A-1 subgroup of the DREB subfamily. Expression analyses based on quantitative real-time PCR revealed that the AmCBF2 displayed relatively high expression under normal conditions, with the highest level in stems, while both AmCBF1 and 3 were weakly expressed without stress. The three genes also showed different responses to various environmental stimuli. The AmCBF2 was inducible by cold, drought, high salinity, heavy metals, as well as abscisic acid (ABA), and exhibited much stronger induction by cold, drought, Pb2+ or Zn2+ than by NaCl, ABA or Cd2+. In contrast, both AmCBF1 and AmCBF3 displayed insignificant changes under these stimuli. These results indicate that the three AmCBF genes play different roles in A. marina and the AmCBF2 might be involved in the signaling pathway of cold, drought and heavy metal stress response. (C) 2013 Elsevier B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000324900800008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10882
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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[Peng, Ya-Lan; Wang, You-Shao; Cheng, Hao; Sun, Cui-Ci; Wu, Peng; Wang, Li-Ying; Fei, Jiao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Wang, You-Shao; Sun, Cui-Ci] Chinese Acad Sci, Daya Bay Marine Biol Res Stn, Shenzhen 518121, Peoples R China.Characterization and expression analysis of three CBF/DREB1 transcriptional factor genes from mangrove Avicennia marina,AQUATIC TOXICOLOGY,2013,140():68-76
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