ATP accumulation in early resting cyst formation towards cryptobiosis in Colpoda cucullus
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RIS BIB ENDNOTEPublication date: 22.08.2023
Acta Protozoologica, 2023, Volume 62, pp. 39 - 44
https://doi.org/10.4467/16890027AP.23.004.18421Authors
ATP accumulation in early resting cyst formation towards cryptobiosis in Colpoda cucullus
Resting cyst formation is a crucial process of cryptobiosis in protists. In colpodid ciliates, cyst formation is accompanied by large-scale morphological changes such as changes of cell shape, resorption of cilia, and formation of a cyst wall; additionally, the cell cycle is arrested. These changes provide acquired tolerance against environmental stresses. During cyst formation, mitochondrial membrane potential is reduced and the level of the ATP synthase beta chain is suppressed, strongly indicating that metabolism has ceased. Here, however, we show that ATP levels are elevated during the initial phases of encystment implying that metabolism may not be completely suppressed. This finding suggests another aspect of resting cyst formation that is not applicable to cryptobiosis.
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Information: Acta Protozoologica, 2023, Volume 62, pp. 39 - 44
Article type: Original article
Department of Applied Chemistry and Biochemistry, National Institute of Technology, Fukushima College, Iwaki 970-8034, Japan
Department of Applied Chemistry and Biochemistry, National Institute of Technology, Fukushima College, Iwaki 970-8034, Japan
Department of Applied Chemistry and Biochemistry, National Institute of Technology, Fukushima College, Iwaki 970-8034, Japan
Department of Chemistry and Biotechnology, Kochi University, Kochi 780-8520, Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Department of Applied Chemistry and Biochemistry, National Institute of Technology, Fukushima College, Iwaki 970-8034, Japan
Department of Chemistry and Biotechnology, Kochi University, Kochi 780-8520, Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Takamatsu 761-0793, Japan
Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya 321-8505, Japan
National Institute of Technology Fukushima College, Iwaki, Fukushima Japan
Published at: 22.08.2023
Received at: 31.05.2023
Accepted at: 24.08.2023
Article status: Open
Licence: CC BY
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