ArticleScientific reports2018
Thermotaxis in Chlamydomonas is brought about by membrane excitation and controlled by redox conditions.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 17 citations in OpenAlex.
- Article
- COP5/HKR1 changes ciliary beat pattern and biases cell steering during chemotaxis in Chlamydomonas reinhardtii.Scientific reports · 2024Article
- Effects of season and water quality on community structure of planktonic eukaryotes in the Chaohu Lake Basin.Frontiers in microbiology · 2024Article
- Thermotaxis in an apolar, non-neuronal animal.Journal of the Royal Society, Interface · 2023Article
- High-throughput identification of novel heat tolerance genes via genome-wide pooled mutant screens in the model green alga Chlamydomonas reinhardtii.Plant, cell & environment · 2023Article
- Wide-field fluorescent nanodiamond spin measurements toward real-time large-area intracellular thermometry.Scientific reports · 2021Article
- TransgenicFrontiers in pharmacology · 2020Article
- Structure of the thermo-sensitive TRP channel TRP1 from the alga Chlamydomonas reinhardtii.Nature communications · 2019Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Temperature is physiologically critical for all living organisms, which cope with temperature stress using metabolic and behavioral responses. In unicellular and some multicellular organisms, thermotaxis is a behavioral response to avoid stressful thermal environments and promote accumulation in an optimal thermal environment. In this study, we examined whether Chlamydomonas reinhardtii, a unicellular green alga, demonstrated thermotaxis. We found that between 10 °C and 30 °C, Chlamydomonas cells migrated toward lower temperatures independent of cultivation temperature. Interestingly, when we applied reagents to change intracellular reduction-oxidation (redox) conditions, we saw that thermotaxis was enhanced, suppressed, or reversed, depending on the redox conditions and cultivation temperature. Thermotaxis was almost absent in ppr2 and ppr3 mutants, which cannot swim backward because of a defect in generating calcium current in flagella. The frequency of spontaneous backward swimming was lower at more favorable temperature, suggesting a pivotal role of spontaneous backward swimming generated by flagellar membrane excitation.
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