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title: WRKY13 acts in stem development in Arabidopsis thaliana
author: Li, Wei;  Tian, Zhaoxia;  Yu, Diqiu
Issued Date: 2015
Abstract: Stems are important for plants to grow erectly. In stems, sclerenchyma cells must develop secondary cell walls to provide plants with physical support. The secondary cell walls are mainly composed of lignin, xylan and cellulose. Deficiency of overall stem development could cause weakened stems. Here we prove that WRKY13 acts in stem development. The wrky13 mutants take on a weaker stem phenotype. The number of sclerenchyma cells, stem diameter and the number of vascular bundles were reduced in wrky13 mutants. Lignin-synthesis-related genes were repressed in wrky13 mutants. Chromatin immunoprecipitation assays proved that WRKY13 could directly bind to the promoter of NST2. Taken together, we proposed that WRKY13 affected the overall development of stem. Identification of the role of WRKY13 may help to resolve agricultural problems caused by weaker stems. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
Related URLs: 10.1016/j.plantsci.2015.04.004
Appears in Collections:植物分子生物学研究组_期刊论文

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Recommended Citation:
Li, Wei,Tian, Zhaoxia,Yu, Diqiu. Wrky13 Acts In Stem Development In Arabidopsis Thaliana[J]. Plant Science,2015,236:205-213.

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