Systematic Analysis of MYB Family Genes in Potato and Their Multiple Roles in Development and Stress Responses

Biomolecules
Xiaoxu LiYongfeng Guo

Abstract

The MYB proteins represent a large family of transcription factors and play important roles in development, senescence, and stress responses in plants. In the current study, 233 MYB transcription factor-encoding genes were identified and analyzed in the potato genome, including 119 R1-MYB, 112 R2R3-MYB, and two R1R2R3-MYB members. R2R3-MYB is the most abundant MYB subclass and potato R2R3-MYB members together with their Arabidopsis homologs were divided into 35 well-supported subgroups as the result of phylogenetic analyses. Analyses on gene structure and protein motif revealed that members from the same subgroup shared similar exon/intron and motif organization, further supporting the results of phylogenetic analyses. Evolution of the potato MYB family was studied via syntenic analysis. Forty-one pairs of StMYB genes were predicted to have arisen from tandem or segmental duplication events, which played important roles in the expansion of the StMYB family. Expression profiling revealed that the StMYB genes were expressed in various tissues and several StMYB genes were identified to be induced by different stress conditions. Notably, StMYB030 was found to act as the homolog of AtMYB44 and was significantly up-regulated by salt ...Continue Reading

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Citations

Mar 21, 2020·International Journal of Molecular Sciences·Natalia WojciechowskaAgnieszka Bagniewska-Zadworna
Jan 22, 2020·International Journal of Biological Macromolecules·Yuanming LiYuhui Liu
Mar 3, 2021·Plant Cell Reports·Cecilia Eugenia María GrossiRita María Ulloa
Apr 4, 2021·International Journal of Molecular Sciences·Qi WangYongfeng Guo
Jun 5, 2021·Communications Biology·You-Long CaoZhong-Jian Liu
Jun 3, 2021·International Journal of Molecular Sciences·Guanqun ChenJunsong Pan
Jun 29, 2021·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Dapei LiGuiyan Yang
Sep 4, 2021·Bioengineered·Xiaoqin WangPengcheng Feng

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Methods Mentioned

BETA
RNA-seq
salt stress
transgenic
salt

Software Mentioned

MCScanX
ProtParam
R
FigTree
MEME
Texshade
GraphPad Prism
PlantCARE
Circos
DnaSP

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