Genome-wide identification, expression analysis and functional study of the GRAS gene family in Tartary buckwheat (Fagopyrum tataricum)

BMC Plant Biology
Moyang LiuHui Chen

Abstract

GRAS are plant-specific transcription factors that play important roles in plant growth and development. Although the GRAS gene family has been studied in many plants, there has been little research on the GRAS genes of Tartary buckwheat (Fagopyrum tataricum), which is an important crop rich in rutin. The recently published whole genome sequence of Tartary buckwheat allows us to study the characteristics and expression patterns of the GRAS gene family in Tartary buckwheat at the genome-wide level. In this study, 47 GRAS genes of Tartary buckwheat were identified and divided into 10 subfamilies: LISCL, HAM, DELLA, SCR, PAT1, SCL4/7, LAS, SHR, SCL3, and DLT. FtGRAS genes were unevenly distributed on 8 chromosomes, and members of the same subfamily contained similar gene structures and motif compositions. Some FtGRAS genes may have been produced by gene duplications; tandem duplication contributed more to the expansion of the GRAS gene family in Tartary buckwheat. Real-time PCR showed that the transcription levels of FtGRAS were significantly different in different tissues and fruit development stages, implying that FtGRAS might have different functions. Furthermore, an increase in fruit weight was induced by exogenous paclobutraz...Continue Reading

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Citations

Dec 29, 2020·Frontiers in Plant Science·Yuan SongLizhe An
Jul 25, 2021·International Journal of Molecular Sciences·Han ZhangShangang Jia
Aug 24, 2021·Plant Physiology and Biochemistry : PPB·Dalu LiHuoying Chen
Aug 29, 2021·Plants·Zlata LutharKatja Mlinarič

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Methods Mentioned

BETA
PCR

Software Mentioned

ExPASy
MCScanX
SWISS
PFAM
Primer3
MODEL
MEGA
BLASTp
HMMER3
Origin Pro

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