ArticlePlant molecular biology1999
Characterization of a desiccation-responsive small GTP-binding protein (Rab2) from the desiccation-tolerant grass Sporobolus stapfianus.
Article in Plant molecular biology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 69 citations in OpenAlex.
- Comparative Proteomic Analysis of Non-Bleached and Bleached Fragments of the HydrocoralBiology · 2025Article
- Deciphering the mechanism of anhydrobiosis in the entomopathogenic nematode Heterorhabditis indica through comparative transcriptomics.PloS one · 2022Article
- Plant RABs: Role in Development and in Abiotic and Biotic Stress Responses.Current genomics · 2021Review
- Salt-induced expression of intracellular vesicle trafficking genes, CaRab-GTP, and their association with NaBMC plant biology · 2020Article
- Association Analysis of Salt Tolerance in Asiatic cotton (International journal of molecular sciences · 2019Article
- Intracellular Vesicle Trafficking Genes,Frontiers in genetics · 2019Article
- Early Responses to Severe Drought Stress in theProteomes · 2018Article
- Genome-wide characterization of the Rab gene family in Gossypium by comparative analysis.Botanical studies · 2017Article
- Article
- NbRABG3f, a member of Rab GTPase, is involved in Bamboo mosaic virus infection in Nicotiana benthamiana.Molecular plant pathology · 2016Article
- Molecular characterization and identification of target protein of an important vesicle trafficking gene AlRab7 from a salt excreting halophyte Aeluropus lagopoides.DNA and cell biology · 2015Article
- Exogenous Classic Phytohormones Have Limited Regulatory Effects on Fructan and Primary Carbohydrate Metabolism in Perennial Ryegrass (Lolium perenne L.).Frontiers in plant science · 2015Article
- Constitutive overexpression of a stress-inducible small GTP-binding protein PgRab7 from Pennisetum glaucum enhances abiotic stress tolerance in transgenic tobacco.Plant cell reports · 2008Article
- Signal transduction-related responses to phytohormones and environmental challenges in sugarcane.BMC genomics · 2007Article
- Characterization of enzymatic antioxidants in the lichen Ramalina lacera and their response to rehydration.Applied and environmental microbiology · 2005Article
- Analysis of light and CO(2) regulation in Chlamydomonas reinhardtii using genome-wide approaches.Photosynthesis research · 2003Article
- Rab2 GTPase regulates vesicle trafficking between the endoplasmic reticulum and the Golgi bodies and is important to pollen tube growth.The Plant cell · 2002Article
- The TITAN5 gene of Arabidopsis encodes a protein related to the ADP ribosylation factor family of GTP binding proteins.The Plant cell · 2000Article
- Characterization of a small GTP-binding protein of the rab 5 family in Mesembryanthemum crystallinum with increased level of expression during early salt stress.Plant molecular biology · 2000Article
- The involvement of ubiquitin in vegetative desiccation tolerance.Plant molecular biology · 1999Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have used differential display to detect altering mRNA levels in response to desiccation and rehydration in leaves of the desiccation tolerant grass Sporobolus stapfianus. One of the RT-PCR products identified was used to isolate a cDNA of 999 bp which encodes a protein of 210 amino acids (predicted size 23 kDa). This protein displays considerable sequence similarity to mammalian and plant Rab2, a small GTP-binding protein, possessing several conserved motifs common to these regulatory proteins. Sporobolus Rab2 was expressed in Escherichia coli yielding a protein with an apparent molecular mass of ca. 30 kDa which was shown to have the ability to bind GTP. Rab2 transcript accumulated early in response to a decrease in relative water content (RWC) and remained high even in dried leaves. Rehydration of desiccated leaves resulted in a decrease in levels within 3 h of rewetting, with a brief increase at ca. 12 h. Accumulation of Rab2 transcript was also evident during drying and rehydration of the roots of S. stapfianus, as well as in leaves of the desiccation-sensitive grass Sporobolus pyramidalis. Earlier work on S. stapfianus concluded that the plant hormone ABA has little effect on inducing desiccation tolerance, however Rab2 transcript does exhibit a small increase in accumulation in response to exogenous ABA. A possible role for Rab2 with respect to desiccation tolerance and damage repair is discussed.
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