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Comparative Genomic Analysis of the Poaceae Cytokinin Response Regulator Gene Family and Functional Characterization of in Drought Stress Tolerance in Rice.
Int J Mol Sci
February 2025
Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology, Agricultural College of Yangzhou University, Yangzhou 225009, China.
The cytokinin (CK) type B response regulator () gene is involved in the CK signaling pathway and performs a key function for mediating reactions to amounts of abiotic stresses. Nevertheless, the gene family remains to be characterized in Poaceae (also known as Gramineae or grasses). Here, we performed a comprehensive analysis encompassing phylogenetic relationships, evolutionary pressures, and expression patterns of the gene family in six Poaceae species, including rice, , , , maize, and wheat.
View Article and Find Full Text PDFUnraveling the Mechanism of the Endophytic Bacterial Strain GDW1 in Enhancing Tomato Plant Growth Through Modulation of the Host Transcriptome and Bacteriome.
Int J Mol Sci
February 2025
Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China.
Endophytic species from agricultural crops have been extensively studied for their plant-growth-promoting (PGP) potential, but little is known about their PGP potential when isolated from perennial trees. This study investigated the plant-growth-promoting (PGP) potential of an endophyte, GDW1, isolated from a healthy pine tree by taking tomato as a host plant. We employed multiomics approaches (transcriptome and bacteriome analyses) to elucidate the underlying PGP mechanisms of GDW1.
View Article and Find Full Text PDFTime-course transcriptome analysis reveals gene co-expression networks and transposable element responses to cold stress in cotton.
BMC Genomics
March 2025
School of Life Sciences, Nantong University, Nantong, 226019, China.
Background: Cold stress significantly challenges cotton growth and productivity, yet the genetic and molecular mechanisms underlying cold tolerance remain poorly understood.
Results: We employed RNA-seq and iterative weighted gene co-expression network analysis (WGCNA) to investigate gene and transposable element (TE) expression changes at six cold stress time points (0 h, 2 h, 4 h, 6 h, 12 h, 24 h). Thousands of differentially expressed genes (DEGs) were identified, exhibiting time-specific patterns that highlight a phase-dependent transcriptional response.
Enhancing sweet sorghum emergence and stress resilience in saline-alkaline soils through ABA seed priming: insights into hormonal and metabolic reprogramming.
BMC Genomics
March 2025
College of Grassland Science, Qingdao Agricultural University, Qingdao, 266109, China.
Sweet sorghum (Sorghum bicolor Moench) seedling emergence and growth are significantly impeded by physical soil crusts (PSCs) in saline-alkaline soils. Abscisic acid (ABA) is a potent seed priming agent known for modulating plant physiological and metabolic responses under salinity stress. However, the influence of ABA priming on seedling emergence in PSCs remains unclear.
View Article and Find Full Text PDFThe CGA1-SNAT regulatory module potentially contributes to cytokinin-mediated melatonin biosynthesis and drought tolerance in wheat.
BMC Plant Biol
March 2025
Department of Crop Production and Plant Breeding, Shiraz University, Shiraz, Iran.
Background: Melatonin plays a pivotal role in alleviating abiotic stresses, yet its biosynthesis regulation in crops, particularly wheat, remains unclear. This study explores regulatory components of melatonin biosynthesis under drought stress using bioinformatic, physiochemical, and molecular approaches in contrasting wheat genotypes.
Results: Bioinformatic analysis identified SNAT, a key melatonin biosynthesis gene, and 88 transcription factors (TFs) from 26 families as potential regulators.
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