Dataset Information

Spread of NDM-5 and OXA-181 Carbapenemase-Producing Escherichia coli in Chad.

ABSTRACT: We detected for the first time bla NDM-5 and bla OXA-181 in Escherichia coli isolates from hospitalized patients and healthy volunteers in Chad. These resistance genes were located on IncX3 and IncF plasmids. Despite the large diversity of E. coli clones, the identified resistant intestinal isolates belonged mainly to the same sequence type.

SUBMITTER: Ouchar Mahamat O

PROVIDER: S-EPMC6811454 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Spread of NDM-5 and OXA-181 Carbapenemase-Producing Escherichia coli in Chad.

Ouchar Mahamat Oumar O Lounnas Manon M Hide Mallorie M Tidjani Abelsalam A Benavides Julio J Diack Abibatou A Somasse Calèbe C Gamougam Kadidja K Carrière Christian C Decré Dominique D Bañuls Anne-Laure AL Jean-Pierre Hélène H Dumont Yann Y Compain Fabrice F Godreuil Sylvain S

Antimicrobial agents and chemotherapy 20191022 11

We detected for the first time blaNDM-5 and blaOXA-181 in Escherichia coli isolates from hospitalized patients and healthy volunteers in Chad. These resistance genes were located on IncX3 and IncF plasmids. Despite the large diversity of E. coli clones, the identified resistant intestinal isolates belonged mainly to the same sequence type. ...[more]

PMID: 31405861

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Project description:Aim of this study was to genetically characterize two carbapenemase-producing Escherichia coli strains obtained from a pediatric patient affected by diarrhea, expressing OXA-181 and/or NDM-5 type enzymes. The above microorganisms were collected in the same Desenzano hospital (Northern Italy) where the bla NDM- 5 gene was detected for the first time in Italy 3 years ago. One strain (5P), belonged to sequence type ST405/ST477 (according to Pasture/Oxford schemes) and serotype O102:H6. It was characterized by a 130562 bp multi-replicon plasmid IncFII/IncFIA/IncFIB (pVSI_NDM-5) enclosing two main antibiotic resistance islands: (i) ARI-I, 10030 bp in size, carried genes coding for β-lactam- (bla OXA- 1, bla CTX-M- 15), fluoroquinolone/aminoglycoside- (aac(6')-lb-cr) and phenicol- resistance (catB3), (ii) ARI-II, 15326 bp in size, carried genes coding for sulfonamide- (sul1), β-lactam- (bla NDM- 5, bla TEM- 1 B), phenicol- (catB3), trimethoprim- (dfrA17), antiseptic- (qacEΔ1), and aminoglycoside- (aadA5, rmtB) resistance. The other isolate (5M), belonged to sequence type ST2659/ST759 and serotype O50/02:H18, and carried four plasmids: a 153866 bp multi-replicon IncFII/IncFIA/IncFIB (pISV_IncFII_NDM-5), an 89866 bp IncI1 plasmid, a 51480 bp IncX3 plasmid (pISV_IncX3_OXA181), and a 41143 bp IncI plasmid (pISV_IncI_CMY-42). pISV_IncFII_NDM-5 carried two main antibiotic resistance islands: (i) ARI-III, 12220 bp in size, carried genes coding for β-lactam- (bla OXA- 1), fluoroquinolone/aminoglycoside- (aac(6')-lb-cr), tetracycline- (tet(B)) and phenicol- resistance (catB3, catA1), and ii) ARI-IV, 26527 bp in size, carried determinants coding for macrolide- (erm(B), mph(A)), sulfonamide- (sul1), beta-lactam- (bla NDM- 5, bla TEM- 1 B), trimethoprim- (dfrA14, dfrA12), antiseptic- (qacEΔ1), and aminoglycoside- resistance (aadA5). pISV_IncI_CMY-42 harbored the bla CMY- 42 gene coding for beta-lactam resistance, pISV_IncX3_OXA181 harbored genes encoding fluoroquinolone- (qnrS1) and beta-lactams- resistance (bla OXA- 181). In conclusion, the detection of two different NDM-5 E. coli strains from a pediatric patient with a history of travel to the Far East countries strongly highlight an increasing trend and risk of importation from such areas.

Dataset Information

Spread of NDM-5 and OXA-181 Carbapenemase-Producing Escherichia coli in Chad.

Publications

Spread of NDM-5 and OXA-181 Carbapenemase-Producing Escherichia coli in Chad.

Similar Datasets

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