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Photosystem II Photochemistry and Phycobiliprotein of the Red Algae Kappaphycus alvarezii and Their Implications for Light Adaptation
Guan, Xiangyu1; Wang, Jinfeng2; Zhu, Jianyi3; Yao, Chunyan3; Liu, Jianguo2; Qin, Song4; Jiang, Peng2; Qin, S
2013
发表期刊BIOMED RESEARCH INTERNATIONAL
ISSN2314-6133
页码256549
文章类型Article
摘要Photosystem II photochemistry and phycobiliprotein (PBP) genes of red algae Kappaphycus alvarezii, raw material of kappa-carrageenan used in food and pharmaceutical industries, were analyzed in this study. Minimum saturating irradiance (I-k) of this algal species was less than 115 mu mol m(-2) s(-1) Its actual PSII efficiency (yield II) increased when light intensity enhanced and decreased when light intensity reached 200 mu mol m(-2) s(-1). Under dim light, yield II declined at first and then increased on the fourth day. Under high light, yield II retained a stable value. These results indicate that K. alvarezii is a low-light-adapted species but possesses regulative mechanisms in response to both excessive and deficient light. Based on the PBP gene sequences, K. alvarezii, together with other red algae, assembled faster and showed a closer relationship with LL-Prochlorococcus compared to HL-Prochlorococcus. Many amino acid loci in PBP sequences of K. alvarezii were conserved with those of LL-Prochlorococcus. However, loci conserved with HL-Prochlorococcus but divergent with LL-Prochlorococcus were also found. The diversities of PE and PC are proposed to have played some roles during the algal evolution and divergence of light adaption.; Photosystem II photochemistry and phycobiliprotein (PBP) genes of red algae Kappaphycus alvarezii, raw material of kappa-carrageenan used in food and pharmaceutical industries, were analyzed in this study. Minimum saturating irradiance (I-k) of this algal species was less than 115 mu mol m(-2) s(-1) Its actual PSII efficiency (yield II) increased when light intensity enhanced and decreased when light intensity reached 200 mu mol m(-2) s(-1). Under dim light, yield II declined at first and then increased on the fourth day. Under high light, yield II retained a stable value. These results indicate that K. alvarezii is a low-light-adapted species but possesses regulative mechanisms in response to both excessive and deficient light. Based on the PBP gene sequences, K. alvarezii, together with other red algae, assembled faster and showed a closer relationship with LL-Prochlorococcus compared to HL-Prochlorococcus. Many amino acid loci in PBP sequences of K. alvarezii were conserved with those of LL-Prochlorococcus. However, loci conserved with HL-Prochlorococcus but divergent with LL-Prochlorococcus were also found. The diversities of PE and PC are proposed to have played some roles during the algal evolution and divergence of light adaption.
学科领域Biotechnology & Applied Microbiology ; Research & Experimental Medicine
DOI10.1155/2013/256549
URL查看原文
收录类别SCI
语种英语
WOS研究方向Biotechnology & Applied Microbiology ; Research & Experimental Medicine
WOS类目Biotechnology & Applied Microbiology ; Medicine, Research & Experimental
WOS记录号WOS:000327953500001
WOS关键词PROCHLOROCOCCUS ECOTYPES ; ESCHERICHIA-COLI ; EVOLUTION ; PHOTOINHIBITION ; PHOTOSYNTHESIS ; RHODOPHYTA ; ARABIDOPSIS ; SEQUENCES ; RADIATION ; GENETICS
WOS标题词Science & Technology ; Life Sciences & Biomedicine
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/16613
专题实验海洋生物学重点实验室
海洋生态与环境科学重点实验室
通讯作者Qin, S
作者单位1.China Univ Geosci, Sch Ocean Sci, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
3.Changshu Inst Technol, Dept Biol, Changshu 215500, Peoples R China
4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
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Guan, Xiangyu,Wang, Jinfeng,Zhu, Jianyi,et al. Photosystem II Photochemistry and Phycobiliprotein of the Red Algae Kappaphycus alvarezii and Their Implications for Light Adaptation[J]. BIOMED RESEARCH INTERNATIONAL,2013:256549.
APA Guan, Xiangyu.,Wang, Jinfeng.,Zhu, Jianyi.,Yao, Chunyan.,Liu, Jianguo.,...&Qin, S.(2013).Photosystem II Photochemistry and Phycobiliprotein of the Red Algae Kappaphycus alvarezii and Their Implications for Light Adaptation.BIOMED RESEARCH INTERNATIONAL,256549.
MLA Guan, Xiangyu,et al."Photosystem II Photochemistry and Phycobiliprotein of the Red Algae Kappaphycus alvarezii and Their Implications for Light Adaptation".BIOMED RESEARCH INTERNATIONAL (2013):256549.
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