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Evolution and Function of the Populus SABATH Family Reveal That a Single Amino Acid Change Results in a Substrate Switch
Han, Xue-Min; Yang, Qi; Liu, Yan-Jing; Yang, Zhi-Ling; Wang, Xiao-Ru; Zeng, Qing-Yin; Yang, Hai-Ling
2018
发表期刊PLANT AND CELL PHYSIOLOGY
ISSN0032-0781
卷号59期号:2页码:392-403
摘要Evolutionary mechanisms of substrate specificities of enzyme families remain poorly understood. Plant SABATH methyltransferases catalyze methylation of the carboxyl group of various low molecular weight metabolites. Investigation of the functional diversification of the SABATH family in plants could shed light on the evolution of substrate specificities in this enzyme family. Previous studies identified 28 SABATH genes from the Populus trichocarpa genome. In this study, we re-annotated the Populus SABATH gene family, and performed molecular evolution, gene expression and biochemical analyses of this large gene family. Twenty-eight Populus SABATH genes were divided into three classes with distinct divergences in their gene structure, expression responses to abiotic stressors and enzymatic properties of encoded proteins. Populus class I SABATH proteins converted IAA to methyl-IAA, class II SABATH proteins converted benzoic acid (BA) and salicylic acid (SA) to methyl-BA and methyl-SA, while class III SABATH proteins converted farnesoic acid (FA) to methyl-FA. For Populus class II SABATH proteins, both forward and reverse mutagenesis studies showed that a single amino acid switch between PtSABATH4 and PtSABATH24 resulted in substrate switch. Our findings provide new insights into the evolution of substrate specificities of enzyme families.
关键词Enzyme activity Enzyme family Expression divergence Molecular evolution Populus trichocarpa Substrate switch
学科领域Plant Sciences ; Cell Biology
DOI10.1093/pcp/pcx198
收录类别SCI
语种英语
WOS关键词SYSTEMIC ACQUIRED-RESISTANCE ; JUVENILE-HORMONE-III ; ARABIDOPSIS-THALIANA ; SALICYLIC-ACID ; METHYL SALICYLATE ; INDOLE-3-ACETIC-ACID METHYLTRANSFERASE ; BIOCHEMICAL-CHARACTERIZATION ; MAXIMUM-LIKELIHOOD ; BLACK COTTONWOOD ; GENE FAMILY
WOS记录号WOS:000425507200015
出版者OXFORD UNIV PRESS
文献子类Article
出版地OXFORD
EISSN1471-9053
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [NSFC 31570664, 31425006]
作者邮箱yhailing77@163.com
作品OA属性Bronze
引用统计
被引频次:13[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/2S10CLM1/20544
专题系统与进化植物学国家重点实验室
作者单位1.[Han, Xue-Min
2.Yang, Zhi-Ling
3.Wang, Xiao-Ru
4.Beijing Forestry Univ, Coll Biol Sci & Biotechnol, Beijing 100083, Peoples R China
5.[Yang, Qi
6.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
7.Chinese Acad Forestry, State Key Lab Tree Genet & Breeding, Beijing 100091, Peoples R China
推荐引用方式
GB/T 7714
Han, Xue-Min,Yang, Qi,Liu, Yan-Jing,et al. Evolution and Function of the Populus SABATH Family Reveal That a Single Amino Acid Change Results in a Substrate Switch[J]. PLANT AND CELL PHYSIOLOGY,2018,59(2):392-403.
APA Han, Xue-Min.,Yang, Qi.,Liu, Yan-Jing.,Yang, Zhi-Ling.,Wang, Xiao-Ru.,...&Yang, Hai-Ling.(2018).Evolution and Function of the Populus SABATH Family Reveal That a Single Amino Acid Change Results in a Substrate Switch.PLANT AND CELL PHYSIOLOGY,59(2),392-403.
MLA Han, Xue-Min,et al."Evolution and Function of the Populus SABATH Family Reveal That a Single Amino Acid Change Results in a Substrate Switch".PLANT AND CELL PHYSIOLOGY 59.2(2018):392-403.
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