Identification and expression analysis of the gene lhcSR associated with adaptation to light and low temperature stress in the green tide forming alga Ulva prolifera
文献类型: 外文期刊
作者: Dong, Meitao 2 ; Zhang, Xiaowen 1 ; Zou, Jian 1 ; Ye, Naihao 1 ; Xu, Dong 1 ; Mou, Shanli 3 ; Liang, Chengwei 4 ; Wang, W 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao, Peoples R China
2.Qingdao Agr Univ, Qingdao, Peoples R China
3.State Ocean Adm, Key Lab Marine Bioact Subst, Inst Oceanog 1, Qingdao, Peoples R China
4.Qingdao Univ Sci & Technol, Qingdao, Peoples R China
关键词: expression analysis;full-length;Green tide;lhcSR;Ulva prolifera
期刊名称:MARINE BIOLOGY RESEARCH ( 影响因子:1.298; 五年影响因子:1.499 )
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年卷期:
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收录情况: SCI
摘要: As the dominant species of the green tide-forming algae in the Yellow Sea of China during the past four years, Ulva prolifera was proposed as having evolved a perfect response mechanism to deal with different light and temperature stress. The LHCSR (also known as LI818 in green algae and LHCX in diatoms) protein is a stress-related member of the LHC family found only in algae. The homologues in the green alga Chlamydomonas were up-regulated in response to a variety of stresses and required for energy quenching. In this study, we cloned a putative lhcSR full-length cDNA sequence from U. prolifera and analysed the expression in response to various temperature and illumination gradients. The results showed that expression of lhcSR was up-regulated by light and transiently accumulated in 1 h. Expression of lhcSR could also be induced by low-temperature stress and could sustain the up-regulation for up to 6 days. These data suggest that the lhcSR gene in U. prolifera is involved in the adaption to the light and low-temperature stress in both the short and long term.
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