ArticlePloS one2022
Comprehensive analysis of the GALACTINOL SYNTHASE (GolS) gene family in citrus and the function of CsGolS6 in stress tolerance.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 27 citations in OpenAlex.
- Comprehensive analysis of the function of the GolS family and LpGols7 in Lespedeza potaninii under drought stress.Planta · 2026Article
- Genome-wide identification and characterization of the galactinol synthase (GmGolS) gene family and its expression under drought, heat, and combined stress in soybean.BMC plant biology · 2026Article
- Giant transposable elements drive genetic diversification iniScience · 2026Article
- Vein-Specific Overexpression of Galactinol Synthase Gene Improves Salinity Tolerance in Poplar.Plant, cell & environment · 2026Article
- Preliminary genomic characterisation and antimicrobial resistance of non-typhoidalFrontiers in microbiology · 2026Article
- Article
- Double-truncated version of OsGADs leads to higher GABA accumulation and stronger stress tolerance in Oryza sativa L. var. japonica.Plant cell reports · 2025Article
- Transcriptome time-course analysis unravels the regulatory networks governing ratooning decline in sugarcane.Frontiers in plant science · 2025Article
- The Role of PLATZ6 in Raffinose Family Oligosaccharides Loading of Leaves via PLATZ Family Characterization in Cucumber.Plants (Basel, Switzerland) · 2024Article
- Genomic evidence for evolutionary history and local adaptation of two endemic apricots:Horticulture research · 2024Article
- Integration of transcriptome and metabolome reveals the accumulation of related metabolites and gene regulation networks during quinoa seed development.Plant molecular biology · 2024Article
- Root-associated bacterial communities and root metabolite composition are linked to nitrogen use efficiency in sorghum.mSystems · 2024Article
- MulberryGenes · 2023Article
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Galactinol synthase (GolS) catalyzes the first and rate-limiting step in the synthesis of raffinose family of oligosaccharides (RFOs), which serve as storage and transport sugars, signal transducers, compatible solutes and antioxidants in higher plants. The present work aimed to assess the potential functions of citrus GolS in mechanisms of stress response and tolerance. By homology searches, eight GolS genes were found in the genomes of Citrus sinensis and C. clementina. Phylogenetic analysis showed that there is a GolS ortholog in C. clementina for each C. sinensis GolS, which have evolved differently from those of Arabidopsis thaliana. Transcriptional analysis indicated that most C. sinensis GolS (CsGolS) genes show a low-level tissue-specific and stress-inducible expression in response to drought and salt stress treatments, as well as to 'Candidatus Liberibacter asiaticus' infection. CsGolS6 overexpression resulted in improved tobacco tolerance to drought and salt stresses, contributing to an increased mesophyll cell expansion, photosynthesis and plant growth. Primary metabolite profiling revealed no significant changes in endogenous galactinol, but different extents of reduction of raffinose in the transgenic plants. On the other hand, a significant increase in the levels of metabolites with antioxidant properties, such as ascorbate, dehydroascorbate, alfa-tocopherol and spermidine, was observed in the transgenic plants. These results bring evidence that CsGolS6 is a potential candidate for improving stress tolerance in citrus and other plants.
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