ArticlePlant cell reports2012
The protective mechanisms of CaHSP26 in transgenic tobacco to alleviate photoinhibition of PSII during chilling stress.
Article in Plant cell reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 38 citations in OpenAlex.
- The roles of chloroplast membrane lipids in abiotic stress responses.Plant signaling & behavior · 2020Article
- Heat or cold priming-induced cross-tolerance to abiotic stresses in plants: key regulators and possible mechanisms.Protoplasma · 2018Review
- Abiotic Stress Tolerance in Plants: Myriad Roles of Ascorbate Peroxidase.Frontiers in plant science · 2017Review
- Plant tolerance to high temperature in a changing environment: scientific fundamentals and production of heat stress-tolerant crops.Frontiers in plant science · 2013Article
- A cytosolic class II small heat shock protein, PfHSP17.2, confers resistance to heat, cold, and salt stresses in transgenic Arabidopsis.Genetics and molecular biologyArticle
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A known sweet pepper cDNA clone, CaHSP26 encoding the chloroplast-localized small heat shock protein (CPsHSP), was isolated and introduced into tobacco plants. It has been reported that CaHSP26 is a member of the CPsHSP gene family related to extreme temperature tolerance in plants. In the present work, the transcripts were detected in the transgenic tobacco lines. The actual quantum yield of photosynthesis (ΦPSII), non-photochemical quenching, and stomatal conductance (gs) in the transgenic lines overexpressing CaHSP26 were higher than those in the wild-type plants under a range of photosynthetic photon flux density during chilling stress. Electron microscopic analysis showed that the transgenic line (L1) had larger size of stomata to lessen stomatal limitation. The activities of ascorbate peroxidase (APX), peroxidase (POD) and catalase (CAT) were also higher in the transgenic lines than those in wild-type plants. Additionally, a significant increase in cis-unsaturated fatty acid contents was observed in transgenic lines due to lower temperatures. These results suggested that CaHSP26 protein plays an important role in protection of PSII by maintaining the antioxidative enzyme activities to avoid or mitigate photooxidation and increasing the fluidity of the thylakoid membrane during chilling stress under low irradiance. Key message CaHSP26 protein protects PSII by maintaining the antioxidative enzyme activities to avoid or mitigate photooxidation and increases the fluidity of the thylakoid membrane during chilling stress under low irradiance.
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Registered trials
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