Cited by 22Plant Stress Responses and TolerancePlant Gene Expression AnalysisPlant Molecular Biology Research

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

OsWRKY12 negatively regulates the drought-stress tolerance and secondary cell wall biosynthesis by targeting different downstream transcription factor genes in rice

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Jia, Shuzhen, Wang, Chunyue, Sun, Wanying, Yan, Xiaofei, Wang, Weiting, Xu, Bing, Guo, Guangyan, Bi, Caili·2024·Plant Physiology and Biochemistry

Abstract

With the increasing occurrence of global warming, drought is becoming a major constraint for plant growth and crop yield. Plant cell walls experience continuous changes during the growth, development, and in responding to stressful conditions. The plant WRKYs play pivotal roles in regulating the secondary cell wall (SCW) biosynthesis and helping plant defend against abiotic stresses. qRT-PCR evidence showed that OsWRKY12 was affected by drought and ABA treatments. Over-expression of OsWRKY12 decreased the drought tolerance of the rice transgenics at the germination stage and the seedling stage. The transcription levels of drought-stress-associated genes as well as those genes participating in the ABA biosynthesis and signaling were significantly different compared to the wild type (WT). Our results also showed that less lignin and cellulose were deposited in the OsWRKY12-overexpressors, and heterogenous expression of OsWRKY12 in atwrky12 could lower the increased lignin and cellulose contents, as well as the improved PEG-stress tolerance, to a similar level as the WT. qRT-PCR results indicated that the transcription levels of all the genes related to lignin and cellulose biosynthesis were significantly decreased in the rice transgenics than the WT. Further evidence from yeast one-hybrid assay and the dual-luciferase reporter system suggested that OsWRKY12 could bind to promoters of OsABI5 (the critical component of the ABA signaling pathway) and OsSWN3/OsSWN7 (the key positive regulators in the rice SCW thickening), and hence repressing their expression. In conclusion, OsWRKY12 mediates the crosstalk between SCW biosynthesis and plant stress tolerance by binding to the promoters of different downstream genes.

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Crossref · 10.1016/j.plaphy.2024.108794

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Research works printed but not linked: 1

  1. Jin, 2023, Cotton GhNAC4 promotes drought tolerance by regulating secondary cell wall biosynthesis and ribosomal protein homeostasis, Plant J.

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Metadata

Authors
Jia, S., Wang, C., Sun, W., Yan, X., Wang, W., Xu, B., Guo, G., & Bi, C.
Affiliations
Hebei Normal University (CN)
Corresponding author
Bi, Caili
Venue
Plant Physiology and Biochemistry
Publisher
Elsevier BV
Published
2024-07
Volume
212
Pages
108794
ISSN
0981-9428 (ISSN-L)
OpenAlex
W4399284196
Cited by
22
References
44
Citations by year
2026: 13 · 2025: 8 · 2024: 1
FWCI
5.39
Type
journal article
Language
en
Open access
Locations
  • Plant Physiology and Biochemistry (publishedVersion)
  • SSRN Electronic Journal (acceptedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant Gene Expression Analysis
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
WRKY transcription factors, drought tolerance, secondary cell wall biosynthesis, lignin biosynthesis, cellulose biosynthesis, abscisic acid signaling, rice, transgenic overexpression, promoter binding, stress tolerance
MeSH terms
Abscisic Acid, Cell Wall, Cellulose, Lignin, Plant Proteins, Oryza, Stress, Physiological, Transcription Factors, Gene Expression Regulation, Plant, Plants, Genetically Modified, Droughts

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