J 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.

Základní údaje

Originální název

Imported anthropogenic bacteria may survive the Antarctic winter and introduce new genes into local bacterial communities

Autoři

BRAT, Kristián (703 Slovensko, garant, domácí), Ivo SEDLÁČEK (203 Česká republika, domácí), Alena SEVCIKOVA (203 Česká republika), Zdeněk MERTA (203 Česká republika, domácí), Kamil LÁSKA (203 Česká republika, domácí) a Pavel ŠEVČÍK (203 Česká republika, domácí)

Vydání

Polish Polar Research, Warsawa, Polish Academy of Sciences, 2016, 0138-0338

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10600 1.6 Biological sciences

Stát vydavatele

Polsko

Utajení

není předmětem státního či obchodního tajemství

Impakt faktor

Impact factor: 0.636

Kód RIV

RIV/00216224:14110/16:00089572

Organizační jednotka

Lékařská fakulta

UT WoS

000372467800005

Klíčová slova anglicky

Antarctic; Mendel Station; antropophilic bacteria; biological invasions; spaceflight medicine

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 13. 3. 2018 23:37, prof. RNDr. Ivo Sedláček, CSc.

Anotace

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.

Návaznosti

LM2010009, projekt VaV
Název: Projekt CzechPolar - České polární stanice: Stavba a operační náklady
Investor: Ministerstvo školství, mládeže a tělovýchovy ČR, Czech Polar - České polární stanice: Stavba a operační náklady