The diversity of CO2-concentrating mechanisms in marine diatoms as inferred from their genetic content

doi:10.1093/jxb/erx163

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	The diversity of CO2-concentrating mechanisms in marine diatoms as inferred from their genetic content
	Shen, Chen 1,2; Dupont, Christopher L.3; Hopkinson, Brian M.2
刊名	JOURNAL OF EXPERIMENTAL BOTANY
	2017-06-01
卷号	68 期号:14 页码:3937-3948
关键词	Carbon Dioxide Carbonic Anhydrase Diatom Marine Photosynthesis Transporters
DOI	10.1093/jxb/erx163
文献子类	Article
英文摘要	e Marine diatoms are one of the most ecologically significant primary producers in the ocean. Most diatoms use a CO2-concentrating mechanism (CCM) to overcome the scarcity of CO2 in the ocean and limitations of the carbon-fixing enzyme Rubisco. However, the CCMs in model diatoms differ substantially in their genetic make-up and structural organization. To assess the extent of CCM diversity in marine diatoms more generally, we analyzed genome and transcriptome data from 31 diatom strains to identify putative CCM genes, examine the overall CCM architecture, and study CCM development in the context of the evolutionary history of these diatoms. Key CCM genes [carbonic anhydrases (CAs) and solute carrier 4 (SLC4) bicarbonate transporters] identified in the diatoms were placed into groups of likely orthologs by sequence similarity (OrthoMCL) and phylogenetic methods. These analyses indicated that diatoms seem to share similar HCO3- transporters, but possess a variety of CAs that have either undergone extensive diversification within the diatom lineage or have been acquired through horizontal gene transfer. Hierarchical clustering of the diatom species based on their CCM gene content suggests that CCM development is largely congruent with evolution of diatom species, despite some notable differences in CCM genes even among closely related species.
WOS关键词	CARBON-CONCENTRATING MECHANISMS ; MITOCHONDRIAL COMPLEX I ; RUBISCO-LIKE PROTEINS ; PHAEODACTYLUM-TRICORNUTUM ; THALASSIOSIRA-PSEUDONANA ; CENTRIC DIATOMS ; SLC4 FAMILY ; EVOLUTION ; ANHYDRASE ; GENOME
WOS研究方向	Plant Sciences
语种	英语
WOS记录号	WOS:000410239600021
资助机构	US National Science Foundation(EF 1041023 ; MCB 1129326)
内容类型	期刊论文
源URL	[http://ir.qibebt.ac.cn/handle/337004/9743]
专题	青岛生物能源与过程研究所_其他文献
作者单位	1.Chinese Acad Sci, Qingdao Inst BioEnergy & BioProc Technol, Qingdao, Peoples R China 2.Univ Georgia, Dept Marine Sci, Athens, GA 30602 USA 3.J Craig Venter Inst, La Jolla, CA USA
推荐引用方式 GB/T 7714	Shen, Chen,Dupont, Christopher L.,Hopkinson, Brian M.. The diversity of CO2-concentrating mechanisms in marine diatoms as inferred from their genetic content[J]. JOURNAL OF EXPERIMENTAL BOTANY,2017,68(14):3937-3948.
APA	Shen, Chen,Dupont, Christopher L.,&Hopkinson, Brian M..(2017).The diversity of CO2-concentrating mechanisms in marine diatoms as inferred from their genetic content.JOURNAL OF EXPERIMENTAL BOTANY,68(14),3937-3948.
MLA	Shen, Chen,et al."The diversity of CO2-concentrating mechanisms in marine diatoms as inferred from their genetic content".JOURNAL OF EXPERIMENTAL BOTANY 68.14(2017):3937-3948.