Characterization and the comprehensive expression analysis of tobacco valine-glutamine genes in response to trichomes development and stress tolerance.
Xiaoxiao Yan, Rui Luo, Xiangyang Liu, Zihang Hou, Wenyi Pei, Wenqi Zhu, Hong Cui
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引用次数: 0
Abstract
Valine-glutamine genes (VQ) acted as transcription regulators and played the important roles in plant growth and development, and stress tolerance through interacting with transcription factors and other co-regulators. In this study, sixty-one VQ genes containing the FxxxVQxxTG motif were identified and updated in the Nicotiana tobacum genome. Phylogenetic analysis indicated that NtVQ genes were divided into seven groups and genes of each group had highly conserved exon-intron structure. Expression patterns analysis firstly showed that NtVQ genes expressed individually in different tobacco tissues including mixed-trichome (mT), glandular-trichome (gT), and nonglandular-trichome (nT), and the expression levels were also distinguishing in response to methyl jasmonate (MeJA), salicylic acid (SA), gibberellic acid (GA), ethylene (ETH), high salinity and PEG stresses. Besides, only NtVQ17 of its gene family was verified to have acquired autoactivating activity. This work will not only lead a foundation on revealing the functions of NtVQ genes in tobacco trichomes but also provided references to VQ genes related stress tolerance research in more crops.
期刊介绍：
Botanical Studies is an open access journal that encompasses all aspects of botany, including but not limited to taxonomy, morphology, development, genetics, evolution, reproduction, systematics, and biodiversity of all plant groups, algae, and fungi. The journal is affiliated with the Institute of Plant and Microbial Biology, Academia Sinica, Taiwan.
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