ArticleBMC plant biology2024
Genome-wide analysis of the cotton COBRA-like gene family and functional characterization of GhCOBL22 in relation to drought tolerance.
Article in BMC plant biology, 2024. 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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6 citing papers in PubMed.
- The COBRA-Like9 from Glycine tabacina enhanced salt tolerance in cultivated soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Integrated Genomic and Transcriptomic Analyses Suggest the Potential Involvement of theBiology · 2026Article
- Genome-wide identification and expression pattern analysis of the COBRA-like gene family of Triticum aestivum (L.) under drought and heat stresses.BMC plant biology · 2026Article
- Advances in CrRLK1L function in plant cell wall signaling during interaction with the environment and development.Stress biology · 2025Review
- Genome-wide ascertainment and initial functional characterization and expression pattern dissection of the GT92 gene family in cotton.BMC genomics · 2025Article
- Genome-wide identification of theFrontiers in plant science · 2025Article
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8 authors.
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Abstract
backgroundThe COBRA-like (COBL) gene family is a crucial glycosylphosphatidylinositol (GPI)-anchored proteins that participate in various biological processes in plants by regulating the arrangement of cell wall microfibrils. While the functions of COBL genes have been analyzed in several plant species, their roles in cotton's response to abiotic stress remain unexplored.
resultsThis study identified and characterized the COBL gene family in Gossypium hirsutum, revealing a total of 39 COBL family members classified into five subgroups. Transcriptome analysis indicated that the transcription levels of several GhCOBL genes were upregulated following PEG treatment, with GhCOBL22 being significantly induced. Further silencing of the GhCOBL22 gene through virus-induced gene silencing (VIGS) technology demonstrated that this gene's silencing reduced cotton's drought stress tolerance. Under drought stress conditions, the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) enzymes, along with proline (PRO) content, were lower in GhCOBL22-silenced plants compared to control plants, while the accumulation of malondialdehyde (MDA) was significantly higher. Moreover, silencing the GhCOBL22 gene also led to reductions in the levels of cellulose, hemicellulose, and lignin content in cotton leaves.
conclusionA systematic survey of gene structure, motif composition, and evolutionary relationships of the COBL gene family was conducted in Gossypium hirsutum. Subsequent expression and functional studies indicated that GhCOBL22 plays a significant role in cotton's drought tolerance. These findings enhance our understanding of the biological functions of the COBL family and highlight the critical role of the GhCOBL22 gene in cotton's response to drought stress.
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