Identification, Molecular Characteristics, and Evolution of GRF Gene Family in Foxtail Millet ( Setaria italica L.)

Growth-regulating factor (GRF) is a multigene family that plays a vital role in the growth and development of plants. In the past, the GRF family of many plants has been studied. However, there is not a report about identification and evolution of GRF in foxtail millet ( ). Here, we identified 10 ge...

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Published inFrontiers in genetics Vol. 12; p. 727674
Main Authors Chen, Huilong, Ge, Weina
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 03.02.2022
Subjects
expression
foxtail millet
Genetics
growth-regulating factors
loss
structure
loss
expression
growth-regulating factors
foxtail millet
structure
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Summary:Growth-regulating factor (GRF) is a multigene family that plays a vital role in the growth and development of plants. In the past, the GRF family of many plants has been studied. However, there is not a report about identification and evolution of GRF in foxtail millet ( ). Here, we identified 10 genes in foxtail millet. Seven (70.00%) were regulated by Sit-miR396, and there were 19 optimal codons in s of foxtail millet. Additionally, we found that WGD or segmental duplication have affected in foxtail millet between 15.07 and 45.97 million years ago. Regarding the gene family of land plants, we identified a total of 157 genes in 15 representative land plants. We found that gene family originated from Group E, and the gene family in monocots was gradually shrinking. Also, more loss resulted from the small number of genes in lower plants. Exploring the evolution of and functional analysis in the foxtail millet help us to understand better and make a further study about the mechanism of . These results provide a basis for the genetic improvement of foxtail millet and indicate an improvement of the yield.
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Lifang Niu, Biotechnology Research Institute (CAAS), China
Edited by: Million Tadege, Oklahoma State University, United States
These authors have contributed equally to this work.
This article was submitted to Plant Genomics, a section of the journal Frontiers in Genetics
Reviewed by: Ghulam Qanmber, Cotton Research Institute (CAAS), China
ISSN:1664-8021
1664-8021
DOI:10.3389/fgene.2021.727674