ArticleBMC plant biology2025
Comprehensive analysis of GGCT genes in u's triangle Brassica species: insights into abiotic stress responses and potential association of BnaGGCT11/26 with seed weight.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Plant immune co-receptors: bridging gaps toward next-generation crop defense.Stress biology · 2026Review
- Genome-Wide Identification of the ASMT Gene Family and Expression Analysis of Wheat ASMTs Under Abiotic and Biotic Stress.Biology · 2026Article
- Genome-wide characterization of the expansin gene family in Sorghum bicolor reveals their regulatory features and roles in drought response.BMC plant biology · 2026Article
- Genome-wide identification and characterization of the RNAi gene families in Brassica rapa L. highlighting their regulatory components and underlying functions involving crop improvement.BMC genomic data · 2026Article
- Transcriptome analysis of safflower (Carthamus tinctorius L.) reveals the roles of osmotic adjustment and regulatory mechanisms in response to drought stress.BMC plant biology · 2026Article
- Genome-Wide Identification and Characterization of the Calmodulin-Binding Transcription Activators (CAMTA) Gene Family inPlants (Basel, Switzerland) · 2026Article
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Abstract
backgroundGlutathione homeostasis, crucial for plant growth and stress adaptation, is regulated by the enzyme γ-glutamylcyclotransferase (GGCT). As the critical component of the glutathione recycling pathway, GGCT plays a vital role in maintaining cellular redox balance under normal and stressful conditions. While the GGCT gene family has been characterized in Arabidopsis thaliana, its diversity, evolution, and functional roles remain unexplored in the U's triangle Brassica species, which includes important oilseed crops.
resultsWe identified and characterized 154 putative GGCT genes in U's triangle Brassica species (Brassica nigra, 20; Brassica oleracea, 21; Brassica rapa, 18; Brassica juncea, 35; Brassica napus, 31; Brassica carinata, 29). Phylogenetic analysis grouped these GGCTs into three distinct clades, highlighting their structural and motif diversity. The diversity in cis-regulatory elements highlighted their role in growth and stress responses. Expression profiling of BnaGGCT genes revealed their differential expression patterns across the tissues at different developmental stages, such as BnaGGCT11 and BnaGGCT26, which are specifically expressed during late seed development phases. Furthermore, gene expression analysis under hormones and abiotic stresses indicated their contribution in stress responses as confirmed by eight selected BnaGGCT genes under drought and salt stresses. In addition, SNP analysis of BnaGGCT11 revealed a single-nucleotide variant that is significantly associated with seed weight and yield, potentially influencing gene function or translation efficiency.
conclusionCollectively, this study comprehensively identified GGCTs that enhance our understanding of the functional evolution of the GGCT gene family in U's triangle Brassica species and lay the groundwork for further research into GGCT-mediated stress responses and seed development. In particular, the seed-specific expression of BnaGGCT11/26 and the SNP in BnaGGCT11 associated with seed weight and yield highlight their potential as candidates for marker-assisted breeding, but future functional validation will be required to substantiate their roles.
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