Mgr. Tomáš Štětina, Ph.D.
Research Scientist - Laboratory of Insect Diapause
Department of Biochemistry and Physiology
Institute of Entomology
+ 420 38 777 5229
tomas.stetina@entu.cas.cz
Principles of cold-injury and its repair in insects
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Total found: 13 records
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Štětina T.,
Košťál V. (2024) Extracellular freezing induces a permeability transition in the inner membrane of muscle mitochondria of freeze-sensitive but not freeze-tolerant Chymomyza costata larvae. Frontiers in Physiology
15: 1358190.
DOI: https://doi.org/10.3389/fphys.2024.1358190 |
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Štětina T.,
Košťál V. (2023) Mortality caused by extracellular freezing is associated with fragmentation of nuclear DNA in larval haemocytes of two drosophilid flies. Journal of Experimental Biology
226: jeb246456.
DOI: https://doi.org/10.1242/jeb.246456 |
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Grgac R.,
Rozsypal J.,
Des Marteaux L. E., Štětina T.,
Košťál V. (2022) Stabilization of insect cell membranes and soluble enzymes by accumulated cryoprotectants during freezing stress Proceedings of the National Academy of Sciences USA
119: e2211744119.
DOI: https://doi.org/10.1073/pnas.2211744119 |
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Kučera L.,
Moos M., Štětina T.,
Korbelová J.,
Vodrážka P.,
Des Marteaux L. E.,
Grgac R.,
Hůla P.,
Rozsypal J., Faltus M.,
Šimek P., Sedlacek R.,
Košťál V. (2022) A mixture of innate cryoprotectants is key for freeze tolerance and cryopreservation of a drosophilid fly larva. Journal of Experimental Biology
225: jeb243934.
DOI: 10.1242/jeb.243934 |
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Moos M.,
Korbelová J., Štětina T.,
Opekar S.,
Šimek P.,
Grgac R.,
Košťál V. (2022) Cryoprotective metabolites are sourced from both external diet and internal macromolecular reserves during metabolic reprogramming for freeze tolerance in drosophilid fly, Chymomyza costata. Metabolites
12: 163.
DOI: 10.3390/metabo12020163 |
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Štětina T.,
Des Marteaux L. E.,
Košťál V. (2020) Insect mitochondria as targets of freezing-induced injury. Proceedings of the Royal Society B
287: 20201273.
DOI: 10.1098/rspb.2020.1273 |
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Štětina T.,
Poupardin R.,
Moos M.,
Šimek P., Šmilauer Petr,
Košťál V. (2019) Larvae of Drosophila melanogaster exhibit transcriptional activation of immune response pathways and antimicrobial peptides during recovery from supercooling stress. Insect Biochemistry and Molecular Biology
105: 60-68.
DOI: 10.1016/j.ibmb.2019.01.006 |
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Des Marteaux L. E., Štětina T.,
Košťál V. (2018) Insect fat body cell morphology and response to cold stress is modulated by acclimation. Journal of Experimental Biology
221: jeb189647.
DOI: 10.1242/jeb.189647 |
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Štětina T.,
Hůla P.,
Moos M.,
Šimek P., Šmilauer P.,
Košťál V. (2018) Recovery from supercooling, freezing, and cryopreservation stress in larvae of the drosophilid fly, Chymomyza costata. Scientific Reports
8: 4414.
DOI: 10.1038/s41598-018-22757-0 |
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Košťál V., Štětina T.,
Poupardin R.,
Korbelová J., Bruce A. W (2017) Conceptual framework of the ecophysiological phases of insect diapause development justified by transcriptomic profiling. Proceedings of the National Academy of Sciences USA
114: 8532-8537 .
DOI: 10.1073/pnas.1707281114 |
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Košťál V.,
Korbelová J., Štětina T.,
Poupardin R., Colinet H.,
Zahradníčková H.,
Opekarová I.,
Moos M.,
Šimek P. (2016) Physiological basis for low-temperature survival and storage of quiescent larvae of the fruit fly Drosophila melanogaster. Scientific Reports
6: 32346.
DOI: 10.1038/srep32346 |
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Štětina T.,
Košťál V.,
Korbelová J. (2015) The role of inducible Hsp70, and other heat shock proteins, in adaptive complex of cold tolerance of the fruit fly (Drosophila melanogaster). PLoS One
10: e0128976.
DOI: 10.1371/journal.pone.0128976 |
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Košťál V.,
Šimek P.,
Zahradníčková H., Cimlová J., Štětina T. (2012) Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism. PNAS USA
109: 3270-3274.
DOI: 10.1073/pnas.1119986109 |
