Transcriptome Analysis Reveals the Molecular Mechanism of Grape Inflorescence Elongation after Applying Microbial Fertilizers

Microbial fertilizers can activate and promote nutrient absorption help inflorescence elongation. To understand the molecular mechanisms governing grape ( Vitis vinifera ) elongation after microbial fertilizer application, we comprehensively analyzed transcriptome dynamics of ‘Summer Black’ at different leaf stages. With development inflorescence, gibberellic acid content gradually increased was clearly higher in group than corresponding control group. In addition, groups had 291, 487, 490, 287, 323 differentially expressed genes (DEGs) 4-, 6-, 8-, 10-, 12-leaf stages, respectively. Kyoto Encyclopedia Genes Genomes pathway annotation revealed that most upregulated DEGs were enriched starch sucrose metabolism pathways 10-leaf Weighted gene coexpression network analysis identified stage-specific expression DEGs. multiple transcription factors phytohormone signaling-related found including basic helix-loop-helix proteins, CCCH zinc finger gibberellin receptor GID1A, 2-glycosyl hydrolases family 16, protein TIFY, MYB factors, WRKY ethylene response factor, suggesting many play important roles developmental These results provide valuable insights into dynamic transcriptomic changes