ArticlePlant cell reports2012
Genome-wide survey and characterization of the WRKY gene family in Populus trichocarpa.
Article in Plant cell reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 126 papers.
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Who cites it
126 citing papers in PubMed.
- Article
- Genome-Wide Identification and Expression Analysis of the WRKY Gene Family inMicroorganisms · 2026Article
- Positive regulatory role of EuWRKY1 in the biosynthesis of Eucommia ulmoides rubber.Functional & integrative genomics · 2026Article
- Primed acclimation of two Greek olive cultivars to water deficit.Physiology and molecular biology of plants : an international journal of functional plant biology · 2026Article
- Current advances in structure, evolution, and abiotic stress regulatory mechanisms of TaWRKY transcription factors.Molecular biology reports · 2026Review
- Article
- Article
- Genome-Wide Identification and Expression Analysis of theInternational journal of molecular sciences · 2025Article
- In Silico Comparison of WRKY Transcription Factors in Wild and Cultivated Soybean and Their Co-expression Network Arbitrating Disease Resistance.Biochemical genetics · 2025Article
- Unveiling the Role ofPlants (Basel, Switzerland) · 2025Article
- Genome-wide identification and expression analysis of the WRKY transcription factors related to sesquiterpenes biosynthesis inFrontiers in genetics · 2025Article
- Novel and conserved drought-responsive microRNAs expression analysis in root tissues of wheat (Frontiers in plant science · 2025Article
- PcWRKY1 Represses Transcription of Yellow Stripe-Like 3 (PcYSL3) to Negatively Regulate Radial Cadmium Transport in Poplar Stems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Genome-Wide Identification and Characterization of theEvolutionary bioinformatics online · 2025Article
- Physiological, Photosynthetic Characteristic and Transcriptome Analysis ofInternational journal of molecular sciences · 2024Article
- Comprehensive Expression Analysis of the WRKY Gene Family inInternational journal of molecular sciences · 2024Article
- Genome-Wide Identification and Characterization of WRKY Transcription Factors inInternational journal of molecular sciences · 2023Article
- Genome-Wide Identification and Analysis of WRKY Gene Family inInternational journal of molecular sciences · 2023Article
- Integrating Transcriptional, Metabolic, and Physiological Responses to Drought Stress inPlants (Basel, Switzerland) · 2023Article
- Chromosome-scale genome assembly ofHorticulture research · 2023Article
66 more citing papers are in PubMed but not listed here.
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7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
unlabelledWRKY transcription factors participate in diverse physiological and developmental processes in plants. They have highly conserved WRKYGQK amino acid sequences in their N-termini, followed by the novel zinc-finger-like motifs, Cys₂His₂ or Cys₂HisCys. To date, numerous WRKY genes have been identified and characterized in a number of herbaceous species. Survey and characterization of WRKY genes in a ligneous species would facilitate a better understanding of the evolutionary processes and functions of this gene family. In this study, 104 poplar WRKY genes (PtWRKY) were identified in the latest poplar genome sequence. According to their structural features, the predicted members were divided into the previously defined groups I-III, as described in rice. In addition, chromosomal localization of the genes demonstrated that there might be WRKY gene hot spots in 2.3 Mb regions on chromosome 14. Furthermore, approximately 83% (86 out of 104) WRKY genes participated in gene duplication events, including 69% (29 out of 42) gene pairs which exhibited segmental duplication. Using semi-quantitative RT-PCR, the expression patterns of subgroup III genes were investigated under different stresses [cold, drought, salinity and salicylic acid (SA)]. The data revealed that these genes presented different expression levels in response to various stress conditions. Expression analysis exhibited PtWRKY76 gene induced markedly in 0.1 mM SA or 25% PEG-6000 treatment. The results presented here provide a fundamental clue for cloning specific function genes in further studies and applications. KEY MESSAGE: This study identified 104 poplar WRKY genes and demonstrated WRKY gene hot spots on chromosome 14. Furthermore, semi-quantitative RT-PCR showed variable stress responses in subgroup III.
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