The Role of the Expansin Gene in the Process of Novel Subterranean Seed Development in Arachis duranensis

IF 0.8 4区 生物学 Q3 AGRONOMY Legume Research Pub Date : 2020-07-15 DOI:10.18805/LR-525
Yongli Zhang, Lang Qian, Zhennan Wang, Qingping Zhang, Hui Song
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Abstract

Background: Plants in the genus Arachis produce flowers aerially that develop into gynophores that grow into the ground, where they develop into fruits. Although some aerial gynophores develop into pods aboveground, embryo or seed abortion occurs in these individuals. During pod development, the shell wall initially comprises the majority of the fruit volume, but then the seeds expand up to the total pod volume. Expansins are plant cell wall-loosening proteins involved in cell enlargement and a variety of other developmental processes in which cell-wall modification occurs.Methods: In this study, we analyzed the expansin genes during seed development using RNA-seq data by bioinformatic approaches.Results: We identified five expansin genes exhibited up-regulated expression, while four genes were down-regulated expression using Arachis duranensis RAN-seq data. Multiple transcription factors regulate AdEXPs throughout seed development. Genes co-expressed with AdEXPs are involved in metabolic processes throughout pod development into seed development, reframing the current understanding of the novel subterranean peanut fruits.
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膨胀蛋白基因在花生新型地下种子发育过程中的作用
背景:花生属植物在空中开花,发育成雌蕊花序,生长在地面上,在那里它们发育成果实。虽然一些空中雌蕊花在地上发育成豆荚,但这些个体会发生胚胎或种子流产。在荚果发育过程中,壳壁最初占果实体积的大部分,但随后种子膨胀到荚果的总体积。扩张蛋白是植物细胞壁松动蛋白,参与细胞扩大和细胞壁修饰发生的各种其他发育过程。方法:采用生物信息学方法,利用RNA-seq数据分析种子发育过程中的扩增基因。结果:利用花生RAN-seq数据鉴定出5个扩增蛋白基因表达上调,4个扩增蛋白基因表达下调。多种转录因子在种子发育过程中调控AdEXPs。与AdEXPs共表达的基因参与了从豆荚发育到种子发育的代谢过程,重塑了目前对新型地下花生果实的理解。
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来源期刊
Legume Research
Legume Research AGRONOMY-
CiteScore
1.30
自引率
37.50%
发文量
256
审稿时长
6-12 weeks
期刊介绍: Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.
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