ArticleBMC genomics2024
Genome-wide identification of TaeGRASs responsive to biotic stresses and functional analysis of TaeSCL6 in wheat resistance to powdery mildew.
Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The KeyPlants (Basel, Switzerland) · 2026Article
- The Regulatory Army of Plant Defense: Transcription Factors in the War for Plant Immunity.International journal of molecular sciences · 2026Review
- Genome-wide identification and expression analysis of the GRAS transcription factor family and its expression profiles in Elymus sibiricus.BMC genomics · 2026Article
- Transcription factor VlPAT2 enhances the resistance of grapevine to Botrytis cinerea by promoting ROS accumulation.Plant cell reports · 2025Article
- Genome-wide characterization of GRAS gene family and their expression profiles under diverse biotic and abiotic stresses in Amorphophallus konjac.BMC genomics · 2025Article
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9 authors.
Funding
Abstract
backgroundPowdery mildew is a devastating fungal disease that poses a significant threat to wheat yield and quality worldwide. Identifying resistance genes is highly advantageous for the molecular breeding of resistant cultivars. GRAS proteins are important transcription factors that regulate plant development and stress responses. Nonetheless, their roles in wheat-pathogen interactions remain poorly understood.
resultsIn this study, we used bioinformatics tools to identify and analyze wheat GRAS family genes responsive to biotic stresses and elucidated the function of TaeSCL6 within this family. A total of 179 GRAS genes in wheat were unevenly distributed on 7 chromosomes, and classified into 12 subfamilies based on phylogenetic relationship analysis. Gene duplication analysis revealed 13 pairs of tandem repeats and 142 pairs of segmental duplications, which may account for the rapid expansion of the wheat GRAS family. Expression pattern analysis revealed that 75% of the expressed TaeGRAS genes are responsive to biotic stresses. Few studies have focused on the roles of HAM subfamily genes. Consequently, we concentrated our analysis on the members of the HAM subfamily. Fourteen motifs were identified in the HAM family proteins from both Triticeae species and Arabidopsis, indicating that these motifs were highly conserved during evolution. Promoter analysis indicated that the promoters of HAM genes contain several cis-regulatory elements associated with hormone response, stress response, light response, and growth and development. Both qRT-PCR and RNA-seq data analyses demonstrated that TaeSCL6 responds to Blumeria graminis infection. Therefore, we investigated the role of TaeSCL6 in regulating wheat resistance via RNA interference and barley stripe mosaic virus induced gene silencing. Wheat plants with silenced TaeSCL6 exhibited increased susceptibility to powdery mildew.
conclusionsIn summary, this study not only validates the positive role of TaeSCL6 in wheat resistance to powdery mildew, but also provides candidate gene resources for future breeding of disease-resistance wheat cultivars.
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