Detailed Information on Publication Record
2016
Imported anthropogenic bacteria may survive the Antarctic winter and introduce new genes into local bacterial communities
BRAT, Kristián, Ivo SEDLÁČEK, Alena SEVCIKOVA, Zdeněk MERTA, Kamil LÁSKA et. al.Basic information
Original name
Imported anthropogenic bacteria may survive the Antarctic winter and introduce new genes into local bacterial communities
Authors
BRAT, Kristián (703 Slovakia, guarantor, belonging to the institution), Ivo SEDLÁČEK (203 Czech Republic, belonging to the institution), Alena SEVCIKOVA (203 Czech Republic), Zdeněk MERTA (203 Czech Republic, belonging to the institution), Kamil LÁSKA (203 Czech Republic, belonging to the institution) and Pavel ŠEVČÍK (203 Czech Republic, belonging to the institution)
Edition
Polish Polar Research, Warsawa, Polish Academy of Sciences, 2016, 0138-0338
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10600 1.6 Biological sciences
Country of publisher
Poland
Confidentiality degree
není předmětem státního či obchodního tajemství
Impact factor
Impact factor: 0.636
RIV identification code
RIV/00216224:14110/16:00089572
Organization unit
Faculty of Medicine
UT WoS
000372467800005
Keywords in English
Antarctic; Mendel Station; antropophilic bacteria; biological invasions; spaceflight medicine
Tags
International impact, Reviewed
Změněno: 13/3/2018 23:37, prof. RNDr. Ivo Sedláček, CSc.
Abstract
V originále
We studied dynamic changes in anthropogenic bacterial communities at a summer-operated Czech research base (the Mendel Research Station) in the Antarctic during 2012 and 2013. We observed an increase in total numbers of detected bacteria between the beginning and the end of each stay in the Antarctic. In the first series of samples, bacteria of Bacillus sp. predominated. Surprisingly, high numbers of Gram-positive cocci and coliforms were found (including opportunistic human pathogens), although the conditions for bacterial life were unfavourable (Antarctic winter). In the second series of samples, coliforms and Gram-positive cocci predominated. Dangerous human pathogens were also detected. Yersinia enterocolitica was identified as serotype O:9. Antibiotic susceptibility testing showed medium-to-high resistance rates to ampicillin, cefalotin, cefuroxime, amoxicillin-clavulanate and gentamicin in Enterobacteriaceae. 16S rRNA sequencing showed high rates of accordance between nucleotide sequences among the tested strains. Three conclusions were drawn: (1) Number of anthropogenic bacteria were able to survive the harsh conditions of the Antarctic winter (inside and outside the polar station). Under certain circumstances (e.g. impaired immunity), the surviving bacteria might pose a health risk to the participants of future expeditions or to other visitors to the base. (2) The bacteria released into the outer environment might have impacts on local ecosystems. (3) New characteristics (e.g. resistance to antibiotics) may be introduced into local bacterial communities.
Links
LM2010009, research and development project |
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