ArticlePloS one2020
Genome-wide characterization of WRKY gene family in Helianthus annuus L. and their expression profiles under biotic and abiotic stresses.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 31 citations in OpenAlex.
- High-resolution comparative genomics and compositional analysis of WRKY transcription factors across seven cereal and model plant genomes.BMC plant biology · 2026Article
- Genome-wide analysis of the DREB gene family and functional characterization of HaDREB1D in the drought stress response in sunflower (Helianthus annuus L.).BMC genomics · 2026Article
- Genome-wide identification and expression analysis of HD-ZIP gene family in sunflower (Helianthus annuus L.) under water deficit stress.Scientific reports · 2025Article
- Multi-Scale Remote-Sensing Phenomics Integrated with Multi-Omics: Advances in Crop Drought-Heat Stress Tolerance Mechanisms and Perspectives for Climate-Smart Agriculture.Plants (Basel, Switzerland) · 2025Review
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- Genome-wide identification, characterization and expression analysis of WRKY transcription factors under abiotic stresses in Carthamus tinctorius L.BMC plant biology · 2025Article
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- Co-Expression Networks in Sunflower: Harnessing the Power of Multi-Study Transcriptomic Public Data to Identify and Categorize Candidate Genes for Fungal Resistance.Plants (Basel, Switzerland) · 2023Article
- Genome-wide identification and analysis of the WRKY gene family and low-temperature stress response in Prunus sibirica.BMC genomics · 2023Article
- Multifaceted roles of WRKY transcription factors in abiotic stress and flavonoid biosynthesis.Frontiers in plant science · 2023Review
- Identification of the WRKY Gene Family and Characterization of Stress-Responsive Genes inInternational journal of molecular sciences · 2022Article
- WRKY genes provide novel insights into their role againstFrontiers in plant science · 2022Article
- Time-course transcriptome and WGCNA analysis revealed the drought response mechanism of two sunflower inbred lines.PloS one · 2022Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
WRKY transcription factors play important roles in various physiological processes and stress responses in flowering plants. Sunflower (Helianthus annuus L.) is one of the important vegetable oil supplies in the world. However, the information about WRKY genes in sunflower is limited. In this study, ninety HaWRKY genes were identified and renamed according to their locations on chromosomes. Further phylogenetic analyses classified them into four main groups including a species-specific WKKY group. Besides, HaWRKY genes within the same group or subgroup generally showed similar exon-intron structures and motif compositions. The gene duplication analysis showed that five pairs of HaWRKY genes (HaWRKY8/9, HaWRKY53/54, HaWRKY65/66, HaWRKY66/67 and HaWRKY71/72) are tandem duplicated and four HaWRKY gene pairs (HaWRKY15/82, HaWRKY25/65, HaWRKY28/55 and HaWRKY50/53) are also identified as segmental duplication events, indicating that these duplication genes were contribute to the diversity and expansion of HaWRKY gene families. The dN/dS ratio of these duplicated gene pairs were also calculated to understand the evolutionary constraints. In addition, synteny analyses of sunflower WRKY genes provided deep insight to the evolution of HaWRKY genes. Transcriptomic and qRT-PCR analyses of HaWRKY genes displayed distinct expression patterns in different plant tissues, as well as under various abiotic and biotic stresses, which provide a foundation for further functional analyses of these genes. Those functional genes related to stress tolerance and quality improvement could be applied in marker assisted breeding of the crop.
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