Activities of principal photosynthetic enzymes in green macroalga Ulva linza: functional implication of C-4 pathway in CO2 assimilation | |
Xu JianFang1; Zhang XiaoWen2; Ye NaiHao2; Zheng Zhou1; Mou ShanLi2; Dong MeiTao3; Xu Dong2; Miao JinLai1 | |
刊名 | SCIENCE CHINA-LIFE SCIENCES
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2013-06 | |
卷号 | 56期号:6页码:571-580 |
关键词 | C-4 pathway PPDK RuBPCase Ulva linza |
ISSN号 | 1674-7305 |
DOI | 10.1007/s11427-013-4489-x |
英文摘要 | The green-tide-forming macroalga Ulva linza was profiled by transcriptome sequencing to ascertain whether the alga carries both C-3 and C-4 photosynthesis genes. The key enzymes involved in C-4 metabolism including pyruvate orthophosphate dikinase (PPDK), phosphoenolpyruvate carboxylase (PEPC), and phosphoenolpyruvate carboxykinase (PCK) were found. When measured under normal and different stress conditions, expression of rbcL was higher under normal conditions and lower under the adverse conditions, whereas that of PPDK was higher under some adverse conditions, namely desiccation, high salinity, and low salinity. Both ribulose-1, 5-biphosphate carboxylase (RuBPCase) and PPDK were found to play a role in carbon fixation, with significantly higher PPDK activity across the stress conditions. These results suggest that elevated PPDK activity alters carbon metabolism in U. linza leading to partial operation of the C-4 carbon metabolism, a pathway that, under stress conditions, probably contributes to the hardy character of U. linza and thus to its wide distribution. |
资助项目 | National Marine Public Welfare Research Project[200805069] |
WOS研究方向 | Life Sciences & Biomedicine - Other Topics |
语种 | 英语 |
出版者 | SCIENCE PRESS |
WOS记录号 | WOS:000320035300011 |
内容类型 | 期刊论文 |
源URL | [http://ir.fio.com.cn/handle/2SI8HI0U/3969] ![]() |
专题 | 业务部门_海洋生态研究中心 |
作者单位 | 1.State Ocean Adm, Key Lab Marine Bioact Subst, Inst Oceanog 1, Qingdao 266061, Peoples R China; 2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China; 3.Qingdao Agr Univ, Qingdao 266109, Peoples R China |
推荐引用方式 GB/T 7714 | Xu JianFang,Zhang XiaoWen,Ye NaiHao,et al. Activities of principal photosynthetic enzymes in green macroalga Ulva linza: functional implication of C-4 pathway in CO2 assimilation[J]. SCIENCE CHINA-LIFE SCIENCES,2013,56(6):571-580. |
APA | Xu JianFang.,Zhang XiaoWen.,Ye NaiHao.,Zheng Zhou.,Mou ShanLi.,...&Miao JinLai.(2013).Activities of principal photosynthetic enzymes in green macroalga Ulva linza: functional implication of C-4 pathway in CO2 assimilation.SCIENCE CHINA-LIFE SCIENCES,56(6),571-580. |
MLA | Xu JianFang,et al."Activities of principal photosynthetic enzymes in green macroalga Ulva linza: functional implication of C-4 pathway in CO2 assimilation".SCIENCE CHINA-LIFE SCIENCES 56.6(2013):571-580. |
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