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Identification and Functional Divergence Analysis of WOX Gene Family in Paper Mulberry

International journal of molecular sciences, 2017-08, Vol.18 (8), p.1782 [Peer Reviewed Journal]

Copyright MDPI AG 2017 ;2017 by the authors. 2017 ;ISSN: 1422-0067 ;ISSN: 1661-6596 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms18081782 ;PMID: 28813005

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Title:
Identification and Functional Divergence Analysis of WOX Gene Family in Paper Mulberry
Author: Tang, Feng ; Chen, Naizhi ; Zhao, Meiling ; Wang, Yucheng ; He, Ruiping ; Peng, Xianjun ; Shen, Shihua
Subjects: Acetic acid ; Biological evolution ; Broussonetia papyrifera ; Cadmium ; development ; Divergence ; Drought ; Environmental stress ; Flowers & plants ; Fluorescence ; Gene expression ; Gene Expression Regulation, Plant - physiology ; Genes ; Green fluorescent protein ; Homeobox ; Indoleacetic acid ; Jasmonic acid ; Morus - genetics ; Morus - metabolism ; Multigene Family ; Nuclei ; paper mulberry ; Phylogeny ; phytohormone ; Plant Proteins - biosynthesis ; Plant Proteins - genetics ; stress response ; Stresses ; Transcription Factors - biosynthesis ; Transcription Factors - genetics ; Transcription, Genetic - physiology ; Wood ; WOX transcription factor ; Yeast
Is Part Of: International journal of molecular sciences, 2017-08, Vol.18 (8), p.1782
Description: The WOX (WUSCHEL-related homeobox) is a plant-specific transcription factor involved in plant development and stress response. However, few studies have been reported on the WOX gene in woody plants. In this study, 10 genes were isolated from paper mulberry by RACE-PCR and categorized into three clades through phylogenetic analysis, ancient, intermediate and WUS clade. Among them, five members had the transcriptional activity detected by yeast one-hybrid and seven were uniquely localized to the nucleus through green fluorescent protein (GFP) observation. The expression patterns of genes in different tissues and under diverse treatments were quantified by the qRT-PCR method. Results showed that was expressed in the apical bud, stem and root, and functioned only in the root tip, and three regulated leaf development redundantly. and were induced by indole-3-acetic acid (IAA) or jasmonic acid (JA), while was repressed by five phytohormones. Interestingly, most BpWOX genes were responsive to the abiotic stress stimuli of drought, salt, cold, and cadmium (CdCl₂). Together, our study revealed that BpWOXs were functionally divergent during paper mulberry development and environmental adaptation, which might be related to their evolutionary relationships. Our work will benefit the systematic understanding of the precise function of WOX in plant development and environmental stress responses.
Publisher: Switzerland: MDPI AG
Language: English
Identifier: ISSN: 1422-0067
ISSN: 1661-6596
EISSN: 1422-0067
DOI: 10.3390/ijms18081782
PMID: 28813005
Source: MEDLINE
PubMed Central
ProQuest Central
DOAJ Directory of Open Access Journals

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Identification and Functional Divergence Analysis of WOX Gene Family in Paper Mulberry

Copyright MDPI AG 2017 ;2017 by the authors. 2017 ;ISSN: 1422-0067 ;ISSN: 1661-6596 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms18081782 ;PMID: 28813005

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