Genome-wide in silico identification and expression analysis of beta-galactosidase family members in sweetpotato [Ipomoea batatas (L.) Lam]
文献类型： 外文期刊
作者： Hou, Fuyun 1 ; Du, Taifeng 1 ; Qin, Zhen 2 ; Xu, Tao 1 ; Li, Aixian 2 ; Dong, Shunxu 2 ; Ma, Daifu 1 ; Li, Zongyun 1 ; Wang, 1 ;
作者机构： 1.Jiangsu Normal Univ, Sch Life Sci, Key Lab Phylogeny & Comparat Genom Jiangsu Prov, Xuzhou 221116, Jiangsu, Peoples R China
2.Minist Agr & Rural Affairs, Shandong Acad Agr Sci, Sci Observing & Expt Stn Tuber & Root Crops Huang, Crop Res Inst, Jinan 250100, Peoples R China
关键词： Sweetpotato; beta-galactosidase; Gene expression; Stress
期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）
ISSN： 1471-2164
年卷期： 2021 年 22 卷 1 期
页码：
收录情况： SCI
摘要： BackgroundSweetpotato (Ipomoea batatas (L.) Lam.) serves as an important food source for human beings. beta -galactosidase (bgal) is a glycosyl hydrolase involved in cell wall modification, which plays essential roles in plant development and environmental stress adaptation. However, the function of bgal genes in sweetpotato remains unclear.ResultsIn this study, 17 beta -galactosidase genes (Ibbgal) were identified in sweetpotato, which were classified into seven subfamilies using interspecific phylogenetic and comparative analysis. The promoter regions of Ibbgals harbored several stress, hormone and light responsive cis-acting elements. Quantitative real-time PCR results displayed that Ibbgal genes had the distinct expression patterns across different tissues and varieties. Moreover, the expression profiles under various hormonal treatments, abiotic and biotic stresses were highly divergent in leaves and root.ConclusionsTaken together, these findings suggested that Ibbgals might play an important role in plant development and stress responses, which provided evidences for further study of bgal function and sweetpotato breeding.
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