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Tytuł pozycji:

Occurrence and antibacterial resistance of culturable antibiotic-resistant bacteria in the Fildes Peninsula, Antarctica.

Tytuł :
Occurrence and antibacterial resistance of culturable antibiotic-resistant bacteria in the Fildes Peninsula, Antarctica.
Autorzy :
Na G; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; National Marine Environmental Monitoring Center, Dalian 116023, China; College of Ecology and Environment, Hainan Tropical Ocean University, Sanya 572022, China; College of Marine Technology and Environment, Dalian Ocean University, Dalian 116023, China. Electronic address: .
Zhang W; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; National Marine Environmental Monitoring Center, Dalian 116023, China.
Gao H; National Marine Environmental Monitoring Center, Dalian 116023, China.
Wang C; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; National Marine Environmental Monitoring Center, Dalian 116023, China.
Li R; National Marine Environmental Monitoring Center, Dalian 116023, China.
Zhao F; National Marine Environmental Monitoring Center, Dalian 116023, China; College of Marine Technology and Environment, Dalian Ocean University, Dalian 116023, China.
Zhang K; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; National Marine Environmental Monitoring Center, Dalian 116023, China.
Hou C; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; National Marine Environmental Monitoring Center, Dalian 116023, China.
Pokaż więcej
Źródło :
Marine pollution bulletin [Mar Pollut Bull] 2020 Nov 23, pp. 111829. Date of Electronic Publication: 2020 Nov 23.
Publication Model :
Ahead of Print
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Publication: 2003- : Oxford : Elsevier
Original Publication: London, Macmillan.
Contributed Indexing :
Keywords: Antibiotic resistance genes; Antibiotic resistant bacteria; Fildes Peninsula; Occurrence; Resistance characteristics
Entry Date(s) :
Date Created: 20201127 Latest Revision: 20201127
Update Code :
20201218
DOI :
10.1016/j.marpolbul.2020.111829
PMID :
33243441
Czasopismo naukowe
Quantifying the occurrence of Antarctic antibiotic-resistant bacteria (ARB) is essential for assessing the level of pollution and assessing the "baseline" or background level of ARB in human uninhabited environments. Animal feces, soil, and sediments were sampled from Fildes Peninsula. The abundance of sulfamethazine- and ciprofloxacin-resistance bacteria and antibotic resistance genes (ARGs) within ARB were investigated. The results showed Ciprofloxacin- and Sulfamethazine-resistant bacteria isolated from samples accounted for the highest abundances of 30 CFU/g and 79.8 CFU/g, respectively. The dominant genus of Sulfamethazine-and quinolone-resistance bacteria was Pseudomonas and Arthrobacter, respectively. 106 ARGs were detected from ARB. Strong positive correlations between mobile genetic elements (MGEs) and ARGs were found, what is relatively novel observation that the mechanism is confirmed to also occur in the Antarctic. This study reveals the compositional characteristics of ARGs of strains in Antarctic, providing support for the source of Antarctic antibiotic resistance and drug resistance mechanisms.
(Copyright © 2020 Elsevier Ltd. All rights reserved.)

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