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Transcriptomic Meta-Analysis Reveals Hub Genes Integrating Multiple Abiotic Stress Responses in Wheat
Minqiang Ding1, Sajid Fiaz2, Kui Wan1
1College of Agriculture Yangtze University Jingzhou China.
None:
Climatic challenges increasingly threaten global food security, necessitating crops with enhanced multi-stress resilience. Through systematic transcriptomic analysis of 100 wheat genotypes under heat, drought, cold, and salt stress, we identified 3237 differentially expressed genes (DEGs) enriched in key stress-response pathways. Core transcription factors (MYB, bHLH, HSF) and two functional modules governing abiotic tolerance were characterized. Phenotypic assessments revealed significant stress-induced alterations in plant height, biomass, and chlorophyll content. RT-qPCR confirmed marked upregulation of eight candidate genes, including BES1/BZR1 and GH14, across most stresses, indicating their critical role in wheat's adaptive responses. This study aims to identify potential genes linked to multiple abiotic stress tolerance and provides an experimental foundation as well as theoretical support for the future development of stress-resilient crops.
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Transcription
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Responses to Heat and Cold Stress
Adaptations that Reduce Water Loss
Gene Regulation During Sporulation

