Genome-wide identification and expression analysis of auxin response factor gene family in Medicago truncatula

Frontiers in Plant Science
Chenjia ShenYanjun Yang

Abstract

Auxin response factors (ARFs) bind specifically to auxin response elements (AuxREs) in the promoters of down-stream target genes and play roles in plant responses to diverse environmental factors. Using the latest updated Medicago truncatula reference genome sequence, a comprehensive characterization and analysis of 24 MtARF (M. truncatula ARF) genes were performed. To uncover the basic information and functions of MtARF genes during symbiosis, we analyzed the expression patterns of MtARF genes during the early phase of Sinorhizobium meliloti infection. The systematic analysis indicated that changes in MtARF gene expression occur during these early stages of infection, suggesting a functional role in symbiosis. Furthermore, the roles of MtARF-mediated auxin signaling in symbiosis were tested in the infection resistant mutant (dmi3). The expression responses of MtARFs to S. meliloti infection were attenuated in the mutant compared to wild-type A17. In summary, our results show that changes in MtARF gene expression occur during the response to S. meliloti infection, suggesting that members of this family may have important roles in the symbiotic interaction.

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Citations

Feb 13, 2016·Frontiers in Plant Science·Si-Bei LiJin-Zhi Zhang
Oct 22, 2015·Plant, Cell & Environment·John William Chandler
May 5, 2017·International Journal of Molecular Sciences·Zhehao ChenYanjun Yang
Mar 27, 2018·Journal of Integrative Plant Biology·Huan LiuErtao Wang
Oct 5, 2018·Frontiers in Plant Science·Linyi QiaoZhijian Chang
Feb 23, 2020·International Microbiology : the Official Journal of the Spanish Society for Microbiology·Lei ZhaoShuang Kong
May 21, 2020·Journal of Experimental Botany·Tomas RibbaJosé Antonio O'Brien
Dec 27, 2016·Frontiers in Plant Science·David J Burks, Rajeev K Azad
Jul 1, 2020·Phytopathology·Anna StaskoAnne Elizabeth Dorrance
Dec 5, 2020·Current Biology : CB·Mara CucinottaLucia Colombo
Nov 4, 2021·Applied Biochemistry and Biotechnology·Kishor Prabhakar PanzadeDipak N Damse

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Methods Mentioned

BETA
PCR

Software Mentioned

ClustalW
GeneDoc
Treeview
MEGA
InterProScan Sequence Search

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