Wheat V-H+-ATPase subunit genes significantly affect salt tolerance in Arabidopsis thaliana.
basic_science · Level V
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- Record sourced from PubMed, PMID 24498005.
- Also identified by DOI 10.1371/journal.pone.0086982 and PMC identifier 3907383.
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Abstract
Genes for V-H(+)-ATPase subunits were identified and cloned from the salt-tolerant wheat mutant RH8706-49. Sequences of these genes are highly conserved in plants. Overexpression of these genes in Arabidopsis thaliana improved its salt tolerance, and increased the activities of V-H(+)-ATPase and Na(+)/H(+) exchange, with the largest increase in plants carrying the c subunit of V-H(+)-ATPase. Results from quantitative RT-PCR analysis indicated that the mRNA level of each V-H(+)-ATPase subunit in the Arabidopsis increased under salt stress. Overall, our results suggest that each V-H(+)-ATPase subunit plays a key role in enhancing salt tolerance in plants.
Medical subject headings
- Arabidopsis
- Plant Proteins
- Salt Tolerance
- Vacuolar Proton-Translocating ATPases