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((WFRF:(Liu Xiao Qing))) srt2:(2015-2019)
 

Search: ((WFRF:(Liu Xiao Qing))) srt2:(2015-2019) > Evolution and Funct...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003309naa a2200445 4500
001oai:DiVA.org:umu-155815
003SwePub
008190128s2018 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1558152 URI
024a https://doi.org/10.1093/pcp/pcx1982 DOI
040 a (SwePub)umu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Han, Xue-Min4 aut
2451 0a Evolution and Function of the Populus SABATH Family Reveal That a Single Amino Acid Change Results in a Substrate Switch
264 c 2017-12-11
264 1b Oxford University Press,c 2018
338 a print2 rdacarrier
520 a 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.
650 7a LANTBRUKSVETENSKAPERx Lantbruksvetenskap, skogsbruk och fiskex Skogsvetenskap0 (SwePub)401042 hsv//swe
650 7a AGRICULTURAL SCIENCESx Agriculture, Forestry and Fisheriesx Forest Science0 (SwePub)401042 hsv//eng
653 a Enzyme activity
653 a Enzyme family
653 a Expression divergence
653 a Molecular evolution
653 a Populus trichocarpa
653 a Substrate switch
700a Yang, Qi4 aut
700a Liu, Yan-Jing4 aut
700a Yang, Zhi-Ling4 aut
700a Wang, Xiao-Ruu College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China4 aut0 (Swepub:umu)xiwa0003
700a Zeng, Qing-Yin4 aut
700a Yang, Hai-Ling4 aut
710a College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China4 org
773t Plant and Cell Physiologyd : Oxford University Pressg 59:2, s. 392-403q 59:2<392-403x 0032-0781x 1471-9053
856u https://academic.oup.com/pcp/article-pdf/59/2/392/23859920/pcx198.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-155815
8564 8u https://doi.org/10.1093/pcp/pcx198

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