Evidence of Stress Recovery in Free-Living Ciliate Colpoda cucullus: The Repair Capability of Resting Cysts to Damage Caused by Gamma Irradiation
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RIS BIB ENDNOTEEvidence of Stress Recovery in Free-Living Ciliate Colpoda cucullus: The Repair Capability of Resting Cysts to Damage Caused by Gamma Irradiation
Publication date: 25.07.2019
Acta Protozoologica, 2019, Volume 58, Issue 1, pp. 25 - 29
https://doi.org/10.4467/16890027AP.19.006.10837Authors
Evidence of Stress Recovery in Free-Living Ciliate Colpoda cucullus: The Repair Capability of Resting Cysts to Damage Caused by Gamma Irradiation
In this study, we report that the unicellular free-living protist Colpoda cucullus in the resting cyst (cryptobiosis) repairs stress damage. We previously demonstrated that resting cysts of Colpoda cucullus have extreme tolerance to gamma irradiation and can revert to vegetative cells after irradiation. Such irradiated cysts gradually excyst, suggesting that stress repair mechanisms are active during excystment or in the resting cyst. Herein we provide bioassay evidence that the rate of excystment of irradiated cysts is elevated by subsequent incubation, thereby indicating that cells injured by gamma irradiation can repair themselves in the resting cyst, whereas irradiated dry cysts cannot.
Received on 8th April, 2019; revised on 28th June, 2019; accepted on 9th July, 2019
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Information: Acta Protozoologica, 2019, Volume 58, Issue 1, pp. 25 - 29
Article type: Original article
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Department of Chemistry and Biotechnology, Kochi University, Kochi 780-8520, Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Department of Chemistry and Biotechnology, Kochi University, Kochi 780-8520, Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Published at: 25.07.2019
Article status: Open
Licence: CC BY-NC-ND
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