ArticlePlant cell reports2016
A wheat histone variant gene TaH2A.7 enhances drought tolerance and promotes stomatal closure in Arabidopsis.
Article in Plant cell reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 27 citations in OpenAlex.
- Insights into the Epigenetic Basis of Plant Salt Tolerance.International journal of molecular sciences · 2024Review
- A review on strategies for crop improvement against drought stress through molecular insights.3 Biotech · 2024Review
- Advanced Biotechnological Interventions in Mitigating Drought Stress in Plants.Plants (Basel, Switzerland) · 2024Review
- The Alleviation of Metal Stress Nuisance for Plants-A Review of Promising Solutions in the Face of Environmental Challenges.Plants (Basel, Switzerland) · 2022Review
- Optimized Method for the Identification of Candidate Genes and Molecular Maker Development Related to Drought Tolerance in Oil Palm (Plants (Basel, Switzerland) · 2022Article
- Article
- QTL detection and putative candidate gene prediction for leaf rolling under moisture stress condition in wheat.Scientific reports · 2020Article
- Knock-down the expression of TaH2B-7D using virus-induced gene silencing reduces wheat drought tolerance.Biological research · 2019Article
- Wheat F-box Protein TaFBA1 Positively Regulates Plant Drought Tolerance but Negatively Regulates Stomatal Closure.Frontiers in plant science · 2019Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageWe found a histone variant enhances drought tolerance partially via promoting stomatal closure other than osmotic stress resistance, indicating the crucial and complicated contribution of epigenetic regulation to abiotic stress response. Histone variants epigenetically regulate gene transcription through remodeling chromatin. They have been implicated in modulating plant abiotic stress response, however, the role(s) is not well documented. Here, we identified an abiotic stress responsive H2A variant gene TaH2A.7 from wheat. TaH2A.7 shared high identity with H2A homologs and localized to the nucleus. TaH2A.7 overexpression in Arabidopsis significantly enhanced drought tolerance, but had no effect on the response to saline, osmotic and oxidative stresses. TaH2A.7 lowered water loss rate, and promoted ABA-induced stomatal closure. In TaH2A.7 overexpression plants, the mRNA levels of numerous genes involved in the ABA pathway and stomatal movement signaling pathway were elevated, H2O2 level in guard cells was increased, as well. Together, TaH2A.7 can enhance drought tolerance via, at least in part, promoting stomatal closure, and appears to be a promising target for molecular breeding.
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