当前位置： SCI文献检索 > MARINE POLLUTION BULLETIN期刊下所有文献 > Detection of multi-drug resistance and AmpC β-lactamase/extended-spectrum β-lactamase genes in bacterial isolates of loggerhead sea turtles (Caretta caretta) from the Mediterranean Sea.

Detection of multi-drug resistance and AmpC β-lactamase/extended-spectrum β-lactamase genes in bacterial isolates of loggerhead sea turtles (Caretta caretta) from the Mediterranean Sea.

Abstract：

:Sea turtles are useful sentinels to monitor the dissemination of antimicrobial resistance (AMR) in the marine coastal ecosystems. Forty Gram negative bacteria were isolated from wounds of 52 injured Caretta caretta, living in the Mediterranean Sea. Bacteria were identified using 16S rRNA gene sequencing and tested for susceptibility to 15 antibiotics. In addition, NGS amplicon sequencing was performed to detect the presence of AmpC β-lactamase genes (blaAmpC) and extended-spectrum β-lactamase (ESBL) genes (blaCTX-M,blaSHV,blaTEM). Seventy-five percent of the isolates (30/40 isolates) exhibited multidrug resistance (MDR) phenotypes and 32.5% (13/40 isolates) were confirmed to be positive for at least one gene. The variants of ESBLs genes were blaCTX-M-3,blaTEM-236 and blaSHV-12. Variants of the blaAmpCβ-lactamase gene i.e., blaACT-24, blaACT-2, blaACT-17, blaDHA-4 and blaCMY-37, were also detected. In addition, 4 isolates were found simultaneously harboring CTX and AmpC genes while 2 strains harbored 3 genes (blaACT-2+TEM-236+SHV-12, and blaCTX-M-3+ACT-24+TEM-236).

journal_name

Mar Pollut Bull

journal_title

Marine pollution bulletin

authors

Trotta A,Cirilli M,Marinaro M,Bosak S,Diakoudi G,Ciccarelli S,Paci S,Buonavoglia D,Corrente M

doi

10.1016/j.marpolbul.2021.112015

subject

Has Abstract

pub_date

2021-01-26 00:00:00

pages

112015

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(21)00049-7

journal_volume

164

pub_type

杂志文章

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