ArticleMolecules and cells2014
OsWRKY42 represses OsMT1d and induces reactive oxygen species and leaf senescence in rice.
Article in Molecules and cells, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.
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64 citing papers in PubMed, 120 citations in OpenAlex.
- The C2H2-type zinc finger protein ZOS202 regulates leaf senescence in rice by targeting senescence-associated transcription factors and ROS homoeostasis.The Plant journal : for cell and molecular biology · 2026Article
- OsMT2b Regulates Pollen Development and ROS Homeostasis in a Photoperiod-Dependent Manner.Plant biotechnology journal · 2026Article
- Molecular and Physiological Regulation of Premature Leaf Senescence in Rice.Plants (Basel, Switzerland) · 2026Review
- Time-Course Transcriptome, Metabolome, and Weighted Gene Co-Expression Network Analysis Reveal the Roles of thePlants (Basel, Switzerland) · 2025Article
- Phosphorylation of MdWRKY70L by MdMPK6/02G mediates reactive oxygen accumulation to regulate apple fruit senescence.Plant biotechnology journal · 2025Article
- Article
- A loss-of-function mutation in OsTZF5 confers sensitivity to low temperature and effects the growth and development in rice.Plant molecular biology · 2024Article
- Deletion of the sugar importer gene OsSWEET1b accelerates sugar starvation-promoted leaf senescence in rice.Plant physiology · 2024Article
- PtWRKY2, a WRKY transcription factor from Pinellia ternata confers heat tolerance in Arabidopsis.Scientific reports · 2024Article
- Comparative transcriptome analysis reveals major genes, transcription factors and biosynthetic pathways associated with leaf senescence in rice under different nitrogen application.BMC plant biology · 2024Article
- Genome-wide investigation of WRKY gene family inFrontiers in plant science · 2024Article
- Genome-Wide Identification and Analysis of Collar Region-Preferential Genes in Rice.Plants (Basel, Switzerland) · 2023Article
- Seed Halopriming: A Promising Strategy to Induce Salt Tolerance in Indonesian Pigmented Rice.Plants (Basel, Switzerland) · 2023Article
- Transcription Factors-Regulated Leaf Senescence: Current Knowledge, Challenges and Approaches.International journal of molecular sciences · 2023Review
- Genome-wide association study (GWAS) with high-throughput SNP chip DNA markers identified novel genetic factors for mesocotyl elongation and seedling emergence in rice (Frontiers in genetics · 2023Article
- Mutation ofInternational journal of molecular sciences · 2022Article
- Characterization and expression analysis ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- A Review of Integrative Omic Approaches for Understanding Rice Salt Response Mechanisms.Plants (Basel, Switzerland) · 2022Review
- Comparative transcriptome analysis of pollen and anther wall reveals novel insights into the regulatory mechanisms underlying anther wall development and its dehiscence in rice.Plant cell reports · 2022Article
- Article
4 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We isolated a rice (Oryza sativa L.) WRKY gene which is highly upregulated in senescent leaves, denoted OsWRKY42. Analysis of OsWRKY42-GFP expression and its effects on transcriptional activation in maize protoplasts suggested that the OsWRKY42 protein functions as a nuclear transcriptional repressor. OsWRKY42-overexpressing (OsWR KY42OX) transgenic rice plants exhibited an early leaf senescence phenotype with accumulation of the reactive oxygen species (ROS) hydrogen peroxide and a reduced chlorophyll content. Expression analysis of ROS producing and scavenging genes revealed that the metallothionein genes clustered on chromosome 12, especially OsMT1d, were strongly repressed in OsWRKY42OX plants. An OsMT1d promoter:LUC construct was found to be repressed by OsWRKY42 overexpression in rice protoplasts. Finally, chromatin immunoprecipitation analysis demonstrated that OsWRKY42 binds to the W-box of the OsMT1d promoter. Our results thus suggest that OsWRKY42 represses OsMT1d-mediated ROS scavenging and thereby promotes leaf senescence in rice.
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