Mgr. Tomáš Štětina, Ph.D.

Job Position: Research Scientist - Laboratory of Insect Diapause

Contact details

Phone: + 420 38 777 5229
E-mail: tomas.stetina@entu.cas.cz

Description

Principles of cold-injury and its repair in insects

Publications
Total found: 13 records
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
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
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
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
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
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
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
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
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
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
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
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
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

CONTACT

Biology Centre CAS
Institute of Entomology
Branišovská 1160/31
370 05 České Budějovice

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