ArticleBotanical studies2013
Characterization of the decline and recovery of heat-treated Scenedesmus vacuolatus.
Article in Botanical studies, 2013. 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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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
4 citing papers in PubMed, 10 citations in OpenAlex.
- Enhancing the Thermotolerance of Isochrysis zhangjiangensis Through Co-culturing With Algoriphagus marincola.Marine biotechnology (New York, N.Y.) · 2023Article
- Protein Expression Analysis in Reversible Photobleached Cells ofInternational journal of molecular sciences · 2019Article
- The CarotenogenicBioMed research international · 2018Article
- The reversible degeneration of heat-treated Scenedesmus vacuolatus under continuous light cultivation conditions.Protoplasma · 2014Article
Corrections and comments
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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
backgroundTo find out how algal cells cope with and recover from heat stress, the small vegetative cells of the synchronous Scenedesmus vacuolatus culture were subjected to a heat pretreatment (46.5°C for 1 h) followed by dark recultivation. The changes in physiological activities and morphology of Scenedesmus cells were continuously monitored throughout the course of decline and recovery.
resultsIt was found that the heat treatment, though completely inhibited photosynthesis, did not kill Scenedesmus cells. These cells, during dark recultivation, could make a fast repair and regained the ability of proliferation. We suggest that they entered a 'stand-by' state, which was characterized by condensed chromatin, partially functional but morphologically altered chloroplasts, disappeared vacuoles, slightly shrunk protoplast and intact plasma membranes. These stressed cells, on the surface, seemingly were undergoing some kind of disintegration, could readily and quickly return to normal cells upon illumination. Cell death occurred only after a long period of darkness (>48 h).
conclusionsOur results suggest that the recovery of algal cells from stress damage may actually proceed in two steps. The middle "stand-by' stage normally is gone through too rapidly to be detected unless cells are kept in the dark.
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