Genome-wide identification, expression, and association analysis of the monosaccharide transporter (MST) gene family in peanut (Arachis hypogaea L.)

文献类型： 外文期刊

第一作者： Wan, Liyun

作者： Wan, Liyun;Ren, Weifang;Fang, Jiahai;Wan, Liyun;Ren, Weifang;Fang, Jiahai;Wan, Liyun;Ren, Weifang;Fang, Jiahai;Miao, Haocui;Zhang, Juncheng

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关键词： Peanut; AhMST; Synteny; Expression; Association analysis

期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）

ISSN： 2190-572X

年卷期： 2020 年 10 卷 3 期

页码：

收录情况： SCI

摘要： In this study, we reported the genome-wide analysis of the whole sugar transporter gene family of a legume species, peanut (Arachis hypogaea L.), including the chromosome locations, gene structures, phylogeny, expression patterns, as well as comparative genomic analysis with Arabidopsis, rice, grape, and soybean. A total of 76 AhMST genes (AhMST1-76) were identified from the peanut genome and located unevenly in 20 chromosomes. Phylogeny analysis indicated that the AhMSTs can be divided into eight groups including two undefined peanut-specific groups. Transcriptional profiles revealed that many AhMST genes showed tissue-specific expression, the majority of the AhMST genes mainly expressed in sink organs and floral organ of peanut. Chromosome distribution pattern and synteny analysis strongly indicated that genome-wide segmental and tandem duplication contributed to the expansion of peanut MST genes. Four common orthologs (AhMST9, AhMST13, AhMST40, and AhMST43) between peanut and the other four species were identified by comparative genomic analysis, which might play important roles in maintaining the growth and development of plant. Furthermore, four polymorphic sites in AhMST11, AhMST13, and AhMST60 were significantly correlated with hundred pod weight (HPW) and hundred seed weight (HSW) by association analysis. In a word, these results will provide new insights for understanding the functions of AhMST family members to sugar transporting and the potential for yield improvement in peanut.

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