ArticlePlant physiology2010
Evidence that high activity of vacuolar invertase is required for cotton fiber and Arabidopsis root elongation through osmotic dependent and independent pathways, respectively.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.
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Who cites it
73 citing papers in PubMed, 182 citations in OpenAlex.
- Article
- Comparative physiological and transcriptomic profiling suggests key pathways in oat drought tolerance.BMC plant biology · 2025Article
- PtrVINV2 is dispensable for cellulose synthesis but essential for salt tolerance in Populus trichocarpa Torr. and Gray.Plant biotechnology journal · 2025Article
- How vacuolar sugar transporters evolve and control cellular sugar homeostasis, organ development and crop yield.Nature plants · 2025Review
- Pangenome analysis reveals yield- and fiber-related diversity and interspecific gene flow in Gossypium barbadense L.Nature communications · 2025Article
- Comparative analysis of the physiological and transcriptomic profiles reveals alfalfa drought resistance mechanisms.BMC plant biology · 2024Article
- Mutation of the Vinv 5' UTR regulatory region reduces acrylamide levels in processed potato to reach EU food-safety standards.Plant biotechnology journal · 2024Article
- A mechanohydraulic model supports a role for plasmodesmata in cotton fiber elongation.PNAS nexus · 2024Article
- Structure and Expression Analysis ofInternational journal of molecular sciences · 2023Article
- A comprehensive overview of cotton genomics, biotechnology and molecular biological studies.Science China. Life sciences · 2023Review
- Fine mapping and candidate gene analysis of qFL-A12-5: a fiber length-related QTL introgressed from Gossypium barbadense into Gossypium hirsutum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Estimating the combining ability and genetic parameters for growth habit, yield, and fiber quality traits in some Egyptian cotton crosses.BMC plant biology · 2023Article
- Regulatory and functional divergence among members ofFrontiers in plant science · 2023Article
- Genetic Determinants of Fiber-Associated Traits in Flax Identified by Omics Data Integration.International journal of molecular sciences · 2022Article
- Integrated Transcriptome and Targeted Metabolite Analysis Reveal miRNA-mRNA Networks in Low-Light-Induced Lotus Flower Bud Abortion.International journal of molecular sciences · 2022Article
- Functional characterization of a cell wall invertase inhibitor StInvInh1 revealed its involvement in potato microtuber sizeFrontiers in plant science · 2022Article
- Functional Characterization of a Cucumber (International journal of molecular sciences · 2021Article
- Sucrose Metabolism and Transport in Grapevines, with Emphasis on Berries and Leaves, and Insights Gained from a Cross-Species Comparison.International journal of molecular sciences · 2021Review
- Review
- Differential transcription pathways associated with rootstock-induced dwarfing in breadfruit (Artocarpus altilis) scions.BMC plant biology · 2021Article
13 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vacuolar invertase (VIN) has long been considered as a major player in cell expansion. However, direct evidence for this view is lacking due, in part, to the complexity of multicellular plant tissues. Here, we used cotton (Gossypium spp.) fibers, fast-growing single-celled seed trichomes, to address this issue. VIN activity in elongating fibers was approximately 4-6-fold higher than that in leaves, stems, and roots. It was undetectable in fiberless cotton seed epidermis but became evident in initiating fibers and remained high during their fast elongation and dropped when elongation slowed. Furthermore, a genotype with faster fiber elongation had significantly higher fiber VIN activity and hexose levels than a slow-elongating genotype. By contrast, cell wall or cytoplasmic invertase activities did not show correlation with fiber elongation. To unravel the molecular basis of VIN-mediated fiber elongation, we cloned GhVIN1, which displayed VIN sequence features and localized to the vacuole. Once introduced to Arabidopsis (Arabidopsis thaliana), GhVIN1 complemented the short-root phenotype of a VIN T-DNA mutant and enhanced the elongation of root cells in the wild type. This demonstrates that GhVIN1 functions as VIN in vivo. In cotton fiber, GhVIN1 expression level matched closely with VIN activity and fiber elongation rate. Indeed, transformation of cotton fiber with GhVIN1 RNA interference or overexpression constructs reduced or enhanced fiber elongation, respectively. Together, these analyses provide evidence on the role of VIN in cotton fiber elongation mediated by GhVIN1. Based on the relative contributions of sugars to sap osmolality in cotton fiber and Arabidopsis root, we conclude that VIN regulates their elongation in an osmotic dependent and independent manner, respectively.
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