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Differences in the Transcriptomic Response of Campylobacter coli and Campylobacter lari to Heat Stress

  • Campylobacter spp. are one of the most important food-borne pathogens, which are quite susceptible to environmental or technological stressors compared to other zoonotic bacteria. This might be due to the lack of many stress response mechanisms described in other bacteria. Nevertheless, Campylobacter is able to survive in the environment and food products. Although some aspects of the heat stress response in Campylobacter jejuni are already known, information about the stress response in other Campylobacter species are still scarce. In this study, the stress response of Campylobacter coli and Campylobacter lari to elevated temperatures (46°C) was investigated by survival assays and whole transcriptome analysis. None of the strains survived at 46°C for more than 8 h and approximately 20% of the genes of C. coli RM2228 and C. lari RM2100 were differentially expressed. The transcriptomic profiles showed enhanced gene expression of several chaperones like dnaK, groES, groEL, and clpB in both strains, indicating a general involvement in the heat stress response within the Campylobacter species. However, the pronounced differences in the expression pattern between C. coli and C. lari suggest that stress response mechanisms described for one Campylobacter species might be not necessarily transferable to other Campylobacter species.

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Metadaten
Verfasserangaben:Carolin Riedel, Konrad U. Förstner, Christoph Püning, Thomas Alter, Cynthia M. Sharma, Greta Gölz
URN:urn:nbn:de:hbz:832-epub4-15136
DOI:https://doi.org/10.3389/fmicb.2020.00523
ISSN:1664-302X
Titel des übergeordneten Werkes (Englisch):Frontiers in Microbiology
Jahr der Fertigstellung:2020
Verlag:Frontiers Media S.A.
Dokumentart:Wissenschaftlicher Artikel
Sprache:Englisch
Datum des Hochladens:08.07.2020
Freies Schlagwort / Tag:Heat stress response; RNA-seq; Transcriptome sequencing
Jahrgang:11
Seitenzahl:13
Fakultäten und Zentrale Einrichtungen:Informations- und Kommunikationswissenschaften (F03) / Fakultät 03 / Institut für Informationswissenschaft
DDC-Sachgruppen:600 Technik, Medizin, angewandte Wissenschaften
Open Access:Open Access
DeepGreen:DeepGreen
Lizenz (Deutsch):License LogoCreative Commons - CC BY - Namensnennung 4.0 International