Molecular evolution and expression divergence of the Populus polygalacturonase supergene family shed light on the evolution of increasingly complex organs in plants

doi:10.1111/nph.12107

	Molecular evolution and expression divergence of the Populus polygalacturonase supergene family shed light on the evolution of increasingly complex organs in plants
	Yang, Zhi-Ling ; Liu, Hai-Jing ; Wang, Xiao-Ru ; Zeng, Qing-Yin
	2013
发表期刊	NEW PHYTOLOGIST
ISSN	0028-646X
卷号	197 期号:4 页码:1353-1365
摘要	Plant polygalacturonases (PGs) are involved in cell separation processes during many stages of plant development. Investigation into the diversification of this large gene family in land plants could shed light on the evolution of structural development. We conducted whole-genome annotation, molecular evolution and gene expression analyses of PG genes in five species of land plant: Populus, Arabidopsis, rice, Selaginella and Physcomitrella. We identified 75, 44, 16 and 11 PG genes from Populus, rice, Selaginella and Physcomitrella genomes, respectively, which were divided into three classes. We inferred rapid expansion of class I PG genes in Populus, Arabidopsis and rice, while copy numbers of classes II and III PG genes were relatively conserved in all five species. Populus, Arabidopsis and rice class I PG genes were under more relaxed selection constraints than class II PG genes, while this selective pressure divergence was not observed in Selaginella and Physcomitrella PG families. In addition, class I PG genes underwent marked expression divergence in Populus, rice and Selaginella. Our results suggest that PG gene expansion occurred after the divergence of the lycophytes and euphyllophytes, and this expansion was likely paralleled by the evolution of increasingly complex organs in land plants.
关键词	copy number variation expression divergence gene family selective pressure subcellular localization
学科领域	Plant Sciences
DOI	10.1111/nph.12107
收录类别	SCI
语种	英语
WOS关键词	GENE-EXPRESSION ; GENOME ; ARABIDOPSIS ; PROTEINS ; LEADS
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000314656200033
出版者	WILEY
文献子类	Article
出版地	HOBOKEN
EISSN	1469-8137
资助机构	National Basic Research Program of China(National Basic Research Program of China) ; Vetenskapsradet, Sweden(Swedish Research Council)
作者邮箱	Wang, Xiao-Ru/H-6811-2012 ; Wang, Xiao-Ru/AAC-4444-2020
作品OA属性	Bronze
引用统计	被引频次：51[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/2S10CLM1/28146
专题	系统与进化植物学国家重点实验室
作者单位	1.[Yang, Zhi-Ling 2.Liu, Hai-Jing 3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Umea Univ, UPSC, Dept Ecol & Environm Sci, SE-90187 Umea, Sweden
推荐引用方式 GB/T 7714	Yang, Zhi-Ling,Liu, Hai-Jing,Wang, Xiao-Ru,et al. Molecular evolution and expression divergence of the Populus polygalacturonase supergene family shed light on the evolution of increasingly complex organs in plants[J]. NEW PHYTOLOGIST,2013,197(4):1353-1365.
APA	Yang, Zhi-Ling,Liu, Hai-Jing,Wang, Xiao-Ru,&Zeng, Qing-Yin.(2013).Molecular evolution and expression divergence of the Populus polygalacturonase supergene family shed light on the evolution of increasingly complex organs in plants.NEW PHYTOLOGIST,197(4),1353-1365.
MLA	Yang, Zhi-Ling,et al."Molecular evolution and expression divergence of the Populus polygalacturonase supergene family shed light on the evolution of increasingly complex organs in plants".NEW PHYTOLOGIST 197.4(2013):1353-1365.

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