Subcellular Relocalization and Positive Selection Play Key Roles in the Retention of Duplicate Genes of Populus Class III Peroxidase Family

doi:10.1105/tpc.114.124750

	Subcellular Relocalization and Positive Selection Play Key Roles in the Retention of Duplicate Genes of Populus Class III Peroxidase Family
	Ren, Lin-Ling ; Liu, Yan-Jing ; Liu, Hai-Jing ; Qian, Ting-Ting ; Qi, Li-Wang ; Wang, Xiao-Ru ; Zeng, Qing-Yin
	2014
发表期刊	PLANT CELL
ISSN	1040-4651
卷号	26 期号:6 页码:2404-2419
摘要	Gene duplication is the primary source of new genes and novel functions. Over the course of evolution, many duplicate genes lose their function and are eventually removed by deletion. However, some duplicates have persisted and evolved diverse functions. A particular challenge is to understand how this diversity arises and whether positive selection plays a role. In this study, we reconstructed the evolutionary history of the class III peroxidase (PRX) genes from the Populus trichocarpa genome. PRXs are plant-specific enzymes that play important roles in cell wall metabolism and in response to biotic and abiotic stresses. We found that two large tandem-arrayed clusters of PRXs evolved from an ancestral cell wall type PRX to vacuole type, followed by tandem duplications and subsequent functional specification. Substitution models identified seven positively selected sites in the vacuole PRXs. These positively selected sites showed significant effects on the biochemical functions of the enzymes. We also found that positive selection acts more frequently on residues adjacent to, rather than directly at, a critical active site of the enzyme, and on flexible regions rather than on rigid structural elements of the protein. Our study provides new insights into the adaptive molecular evolution of plant enzyme families.
学科领域	Biochemistry & Molecular Biology ; Plant Sciences ; Cell Biology
DOI	10.1105/tpc.114.124750
收录类别	SCI
语种	英语
WOS关键词	APOPLASTIC OXIDATIVE BURST ; FUNCTIONAL EVOLUTION ; LIGNIN BIOSYNTHESIS ; MAXIMUM-LIKELIHOOD ; ARABIDOPSIS-THALIANA ; QUANTITATIVE TRAITS ; CATHARANTHUS-ROSEUS ; BALANCE HYPOTHESIS ; SUPERGENE FAMILY ; ZINNIA-ELEGANS
WOS研究方向	Biochemistry & Molecular Biology ; Plant Sciences ; Cell Biology
WOS记录号	WOS:000341884000008
出版者	AMER SOC PLANT BIOLOGISTS
文献子类	Article
出版地	ROCKVILLE
EISSN	1532-298X
资助机构	Natural Science Foundation of China [NSFC 91231103, 31330017]
作者邮箱	qingyin.zeng@ibcas.ac.cn
作品OA属性	Green Published, hybrid
引用统计	被引频次：74[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/27133
专题	系统与进化植物学国家重点实验室
作者单位	1.[Ren, Lin-Ling 2.Liu, Yan-Jing 3.Liu, Hai-Jing 4.Qian, Ting-Ting 5.Chinese Acad Sci, State Key Lab Systemat & Evolutionary Bot, Inst Bot, Beijing 100093, Peoples R China 6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 7.Chinese Acad Forestry, Cell Biol Lab, Res Inst Forestry, Beijing 100091, Peoples R China 8.Umea Univ, Dept Ecol & Environm Sci, UPSC, SE-90187 Umea, Sweden
推荐引用方式 GB/T 7714	Ren, Lin-Ling,Liu, Yan-Jing,Liu, Hai-Jing,et al. Subcellular Relocalization and Positive Selection Play Key Roles in the Retention of Duplicate Genes of Populus Class III Peroxidase Family[J]. PLANT CELL,2014,26(6):2404-2419.
APA	Ren, Lin-Ling.,Liu, Yan-Jing.,Liu, Hai-Jing.,Qian, Ting-Ting.,Qi, Li-Wang.,...&Zeng, Qing-Yin.(2014).Subcellular Relocalization and Positive Selection Play Key Roles in the Retention of Duplicate Genes of Populus Class III Peroxidase Family.PLANT CELL,26(6),2404-2419.
MLA	Ren, Lin-Ling,et al."Subcellular Relocalization and Positive Selection Play Key Roles in the Retention of Duplicate Genes of Populus Class III Peroxidase Family".PLANT CELL 26.6(2014):2404-2419.

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