ArticleInternational journal of molecular sciences2012
The Opuntia streptacantha OpsHSP18 gene confers salt and osmotic stress tolerance in Arabidopsis thaliana.
Article in International journal of molecular sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 15 citations in OpenAlex.
- Comprehensive characterization of the genes in AP2/ERF family and their involvement in salt-alkali stress response duringFrontiers in plant science · 2026Article
- Comprehensive molecular evolutionary analysis of small heat shock proteins in five diploid Gossypium species.The plant genome · 2024Article
- A Class II small heat shock protein OsHsp18.0 plays positive roles in both biotic and abiotic defense responses in rice.Scientific reports · 2017Article
- Arabidopsis AtDjA3 Null Mutant Shows Increased Sensitivity to Abscisic Acid, Salt, and Osmotic Stress in Germination and Post-germination Stages.Frontiers in plant science · 2016Article
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5 authors at 2 institutions in 1 country.
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Abstract
Abiotic stress limits seed germination, plant growth, flowering and fruit quality, causing economic decrease. Small Heat Shock Proteins (sHSPs) are chaperons with roles in stress tolerance. Herein, we report the functional characterization of a cytosolic class CI sHSP (OpsHSP18) from Opuntia streptacantha during seed germination in Arabidopsis thaliana transgenic lines subjected to different stress and hormone treatments. The over-expression of the OpsHSP18 gene in A. thaliana increased the seed germination rate under salt (NaCl) and osmotic (glucose and mannitol) stress, and in ABA treatments, compared with WT. On the other hand, the over-expression of the OpsHSP18 gene enhanced tolerance to salt (150 mM NaCl) and osmotic (274 mM mannitol) stress in Arabidopsis seedlings treated during 14 and 21 days, respectively. These plants showed increased survival rates (52.00 and 73.33%, respectively) with respect to the WT (18.75 and 53.75%, respectively). Thus, our results show that OpsHSP18 gene might have an important role in abiotic stress tolerance, in particular in seed germination and survival rate of Arabidopsis plants under unfavorable conditions.
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