Molecular characterization of nine sweet potato (Ipomoea batatas Lam.) MADS-box transcription factors during storage root development and following abiotic stress

被引：14
作者：
Dong, TingTing [1 ]
Song, WeiHan [1 ]
Tan, ChuanTing [1 ]
Zhou, Zhilin [1 ]
Yu, JiaWen [1 ]
Han, RongPeng [1 ]
Zhu, MingKu [1 ]
Li, ZongYun [1 ]
机构：
[1] Jiangsu Normal Univ, Sch Life Sci, Jiangsu Key Lab Phylogen & Comparat Genom, Xuzhou, Jiangsu, Peoples R China
来源：
PLANT BREEDING | 2018年 / 137卷 / 05期
基金：
中国国家自然科学基金;
关键词：
abiotic stress; hormone; MADS-box transcription factor; storage root; sweet potato; FACTOR FAMILY; L; LAM; EXPRESSION ANALYSIS; FLOWER DEVELOPMENT; TRANSGENIC PLANTS; DROUGHT TOLERANCE; TUBEROUS ROOTS; GENE FAMILY; ARABIDOPSIS; IDENTIFICATION;
D O I：
10.1111/pbr.12613
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Sweet potato is an important plant for researchers to study storage root development and resistance. MADS-box proteins are a group of important transcription factors which play a crucial role in plant development as well as stress response. However, the investigation regarding sweet potato MADS-box genes remains limited up to now. In this study, nine MADS-box genes, named as IbMBP1-IbMBP9, were cloned and characterized. Nine genes exhibited different tissue-specific expression profiles. IbMBP2, IbMBP3, IbMBP4 and IbMBP9 showed high expression during storage roots development and were upregulated by storage roots development-related hormones. Varying degrees of induction was observed in the transcript level of these MADS-box genes under multiple abiotic stresses, as well as stress-related hormones. The present results revealed that nine MADS-box genes exhibited different tissue-specific expression profiles and were impacted by multiple abiotic stresses and/or hormones, which lay a good foundation for further exploring the function of MADS-box genes in sweet potato.
引用
收藏
页码：790 / 804
页数：15
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