NDLI: Characterization of the first tuber mustard calmodulin-like gene, BjAAR1, and its functions in responses to abiotic stress and abscisic acid in Arabidopsis

Content Provider	Springer Nature Link
Author	Xiang, Liuxin Xia, Yuxian Cai, Yingfan Liu, Jijun He, Xiaohong Sun, Quan Wang, Xiaoyan Fu, Yuyin Fan, Yonghong Dong, Daiwen Zhou, Guanfan Shen, Jinjuan Liu, Yihua
Copyright Year	2013
Abstract	The first tuber mustard calmodulin-like (CML) gene BjAAR1 (Brassica juncea var. tumida Tsen et Lee Abiotic stress and Abscisic acid (ABA) Responsive gene 1) was cloned and characterized. The protein encoded by BjAAR1 contains four predicted Ca$^{2+}$ binding sites (EF-hand motif) and its recombinant protein can bind Ca$^{2+}$ in vitro. qRT-PCR showed that the expression level of BjAAR1 was rather high in non-swollen stem of tuber mustard and largely reduced in swollen stem. Expression of BjAAR1 enhanced ABA- and stress-induced gene expression in Arabidopsis (Arabidopsis thaliana). Transgenic plants also exhibited hypersensitivity to NaCl, mannitol, and ABA during the seed germination and post-germination stages. ABA biosynthesis inhibitor, norflurazon (NF), rescued hypersensitivity phenotype of transgenic plants to NaCl and mannitol, indicating that BjAAR1 functions in multiple abiotic stresses response through ABA-dependent process.
Starting Page	168
Ending Page	175
Page Count	8
File Format	PDF
ISSN	12269239
Journal	Journal of Plant Biology
Volume Number	56
Issue Number	3
e-ISSN	18670725
Language	English
Publisher	Springer-Verlag
Publisher Date	2013-06-15
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ABA Abiotic stress Arabidopsis BjAAR1 Calmodulin-like gene Tuber mustard Plant Sciences Plant Breeding/Biotechnology Plant Genetics & Genomics Plant Systematics/Taxonomy/Biogeography Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science

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