ArticleBMC genomics2015
Genome-wide analysis of WRKY transcription factors in white pear (Pyrus bretschneideri) reveals evolution and patterns under drought stress.
Article in BMC genomics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 124 citations in OpenAlex.
- Positive regulatory role of EuWRKY1 in the biosynthesis of Eucommia ulmoides rubber.Functional & integrative genomics · 2026Article
- The mechanism of dynamic equilibrium of ascorbate redox status mediated by PbrDHAR5 during scald development in pear fruit.Molecular horticulture · 2026Article
- PbrNAC34a- PbrMYB3/65- PbrACO2 cascade plays a role in citrate difference between the pericarp and cortex tissues of pear (P. bretschneideri Rehd.) fruit.Molecular horticulture · 2025Article
- Biochemical and gene expression profiling of five pear species under drought stress conditions.BMC plant biology · 2025Article
- Genome-wide identification and expression profiling of WRKY gene family in grain Amaranth (Amaranthus hypochondriacus L.) under salinity and drought stresses.BMC plant biology · 2025Article
- Genome-wide identification, characterization and expression analysis of WRKY transcription factors under abiotic stresses in Carthamus tinctorius L.BMC plant biology · 2025Article
- Article
- Members of WRKY Group III Transcription Factors Are Important in Mite Infestation in Strawberry (Plants (Basel, Switzerland) · 2024Article
- 6-Methyl-5-hepten-2-one promotes programmed cell death during superficial scald development in pear.Molecular horticulture · 2024Article
- Genome-wide identification, expression analysis of WRKY transcription factors in Citrus ichangensis and functional validation of CiWRKY31 in response to cold stress.BMC plant biology · 2024Article
- Article
- PbrWRKY62-PbrADC1 module involves in superficial scald development of Pyrus bretschneideri Rehd.fruit via regulating putrescine biosynthesis.Molecular horticulture · 2024Article
- Genome-wide analysis of the switchgrass YABBY family and functional characterization of PvYABBY14 in response to ABA and GA stress in Arabidopsis.BMC plant biology · 2024Article
- Genome-Wide Identification of Bilberry WRKY Transcription Factors: Go Wild and Duplicate.Plants (Basel, Switzerland) · 2023Article
- Orchard Management and Incorporation of Biochemical and Molecular Strategies for Improving Drought Tolerance in Fruit Tree Crops.Plants (Basel, Switzerland) · 2023Review
- Genome-Wide Identification, Evolutionary and Functional Analyses of WRKY Family Members inGenes · 2023Article
- Genome-Wide Identification and Expression Analysis of WRKY Transcription Factors inPlants (Basel, Switzerland) · 2023Article
- The roles of WRKY transcription factors in Malus spp. and Pyrus spp.Functional & integrative genomics · 2022Review
- Role of WRKY Transcription Factors in Regulation of Abiotic Stress Responses in Cotton.Life (Basel, Switzerland) · 2022Review
- Identification of the WRKY Gene Family and Characterization of Stress-Responsive Genes inInternational journal of molecular sciences · 2022Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundWRKY transcription factors (TFs) constitute one of the largest protein families in higher plants, and its members contain one or two conserved WRKY domains, about 60 amino acid residues with the WRKYGQK sequence followed by a C2H2 or C2HC zinc finger motif. WRKY proteins play significant roles in plant development, and in responses to biotic and abiotic stresses. Pear (Pyrus bretschneideri) is one of the most important fruit crops in the world and is frequently threatened by abiotic stress, such as drought, affecting growth, development and productivity. Although the pear genome sequence has been released, little is known about the WRKY TFs in pear, especially in respond to drought stress at the genome-wide level.
resultsWe identified a total of 103 WRKY TFs in the pear genome. Based on the structural features of WRKY proteins and topology of the phylogenetic tree, the pear WRKY (PbWRKY) family was classified into seven groups (Groups 1, 2a-e, and 3). The microsyteny analysis indicated that 33 (32%) PbWRKY genes were tandemly duplicated and 57 genes (55.3%) were segmentally duplicated. RNA-seq experiment data and quantitative real-time reverse transcription PCR revealed that PbWRKY genes in different groups were induced by drought stress, and Group 2a and 3 were mainly involved in the biological pathways in response to drought stress. Furthermore, adaptive evolution analysis detected a significant positive selection for Pbr001425 in Group 3, and its expression pattern differed from that of other members in this group. The present study provides a solid foundation for further functional dissection and molecular evolution of WRKY TFs in pear, especially for improving the water-deficient resistance of pear through manipulation of the PbWRKYs.
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