首页|Brassinosteroid biosynthesis and signaling:Conserved and diversified functions of core genes across multiple plant species

Brassinosteroid biosynthesis and signaling:Conserved and diversified functions of core genes across multiple plant species

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Brassinosteroids(BRs)are important regulators that control myriad aspects of plant growth and develop-ment,including biotic and abiotic stress responses,such that modulating BR homeostasis and signaling presents abundant opportunities for plant breeding and crop improvement.Enzymes and other proteins involved in the biosynthesis and signaling of BRs are well understood from molecular genetics and pheno-typic analysis in Arabidopsis thaliana;however,knowledge of the molecular functions of these genes in other plant species,especially cereal crop plants,is minimal.In this manuscript,we comprehensively re-view functional studies of BR genes in Arabidopsis,maize,rice,Setaria,Brachypodium,and soybean to identify conserved and diversified functions across plant species and to highlight cases for which addi-tional research is in order.We performed phylogenetic analysis of gene families involved in the biosynthesis and signaling of BRs and re-analyzed publicly available transcriptomic data.Gene trees coupled with expression data provide a valuable guide to supplement future research on BRs in these important crop species,enabling researchers to identify gene-editing targets for BR-related functional studies.

brassinosteroidsmaizericeSetariasoybeanBrachypodiumArabidopsis

Brian Zebosi、Erik Vollbrecht、Norman B.Best

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Department of Genetics,Development and Cell Biology,Iowa State University,Ames,IA 50011,USA

Interdepartmental Genetics and Genomics Graduate Program,Iowa State University,Ames,IA 50011,USA

USDA-ARS,Plant Genetics Research Unit,Columbia,MO 65201,USA

2024

ISSN:
年,卷(期):2024.5(9)