Two variants of transferrable extended-spectrum TEM-β-lactamase successively isolated from a clinical Escherichia coli isolate

1992 ◽  
Vol 93 (2) ◽  
pp. 161-166
Author(s):  
G Vedel
Keyword(s):  
Escherichia Coli ◽  
Coli Isolate ◽  
Extended Spectrum

scholarly journals CTX-M-15 Extended-Spectrum β-Lactamase in a Shiga Toxin-Producing Escherichia coli Isolate of Serotype O111:H8

2011 ◽  
Vol 78 (4) ◽  
pp. 1308-1309 ◽  
Author(s):  
Charlotte Valat ◽  
Marisa Haenni ◽  
Estelle Saras ◽  
Frédéric Auvray ◽  
Karine Forest ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Shiga Toxin ◽  
Content Type ◽  
Coli Isolate ◽  
E Coli ◽  
Extended Spectrum

ABSTRACTWe report the discovery of a CTX-M-15-producingEscherichia coli(STEC) of serogroup O111:H8, a major serotype responsible for human enterohemorrhagicEscherichia coli(EHEC) infections. In line with the recent CTX-M-15/O104:H4E. colioutbreak, these data may reflect an accelerating spread of resistance to expanded-spectrum cephalosporins within theE. colipopulation, including STEC isolates.

scholarly journals Novel extended-spectrum TEM-type beta-lactamase from an Escherichia coli isolate resistant to ceftazidime and susceptible to cephalothin.

1997 ◽  
Vol 41 (3) ◽  
pp. 715-716 ◽  
Author(s):  
C Chanal-Claris ◽  
D Sirot ◽  
L Bret ◽  
P Chatron ◽  
R Labia ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Amino Acid ◽  
Amino Acid Sequence ◽  
Beta Lactamase ◽  
Beta Lactamases ◽  
Coli Isolate ◽  
Resistance Phenotype ◽  
Numbering Scheme ◽  
Extended Spectrum

A novel extended-spectrum TEM-type beta-lactamase was detected in an Escherichia coli isolate which was resistant to ceftazidime and susceptible to cephalothin. The corresponding bla gene was sequenced. The deduced amino acid sequence showed the following three amino acid replacements with respect to the TEM-2 sequence: Glu-->Lys-104, Arg-->Ser-164, and Glu-->Lys-240. Since it confers a ceftazidimase-type resistance phenotype, we propose for this novel enzyme the designation CAZ-9, corresponding to TEM-46 in the sequential numbering scheme of TEM beta-lactamases.

scholarly journals IDENTIFIKASI BAKTERI Escherichia coli PENGHASIL Extended Spectrum β-Lactamase DARI SWAB RECTAL SAPI PERAH MENGGUNAKAN METODE VITEK-2 DI KUD TANI WILIS SENDANG KABUPATEN TULUNGAGUNG

2020 ◽  
Vol 8 (2) ◽  
pp. 108
Author(s):  
Akyun Rozaqi Syah Putra ◽  
Mustofa Helmi Effendi ◽  
Setiawan Koesdarto ◽  
Suwarno Suwarno ◽  
Wiwik Tyasningsih ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Dairy Cow ◽  
Pathogenic Bacteria ◽  
Rectal Swab ◽  
Test Method ◽  
Coli Isolate ◽  
E Coli ◽  
Extended Spectrum ◽  
Vitek 2 ◽  
Synergy Test

Antibiotic resistance in animals and humans has become a global problem that needs attention. The use of antibiotics in inappropriate on food-producing animals can lead to resistance many of the pathogenic bacteria to the various types of antibiotics, one of which is the Escherichia coli (E. coli) which produces extended spectrum β-lactamase (ESBL). The aim of this study was to isolate and identified ESBL- E. coli isolate from dairy cow rectal swabs in Sendang, Tulungagung district using the Vitek-2 method. The number of rectal swab samples used in the present study was 50. The result of the study showed that from all of the samples could be isolated and indentified E. coli, based on the colony characteristics on EMBA and biochemical test. Based on the double disc synergy test method using antibiotic disc amoxicylyn-clavulanate, ceftriaxone, aztreonam, ceftazidime and cefotaxime, 10 isolates could be identify els ESBL- E. coli. furthermore 3 out of 10 isolates DDST positives were confirmed ESBL- E. coli using Vitek-2 method.

scholarly journals Plasmid-Mediated Quinolone Resistance Pump QepA2 in an Escherichia coli Isolate from France

2008 ◽  
Vol 52 (10) ◽  
pp. 3801-3804 ◽  
Author(s):  
Vincent Cattoir ◽  
Laurent Poirel ◽  
Patrice Nordmann
Keyword(s):  
Escherichia Coli ◽  
Quinolone Resistance ◽  
Clinical Isolates ◽  
Coli Isolate ◽  
Mobilizable Plasmid ◽  
Extended Spectrum

ABSTRACT One hundred twenty-one extended-spectrum β-lactamse-producing enterobacterial clinical isolates were screened for the qepA gene. A single CTX-M-15-positive Escherichia coli isolate (0.8%) that produced the putative pump QepA2 was identified. This qepA2 gene was located onto a 90-kb mobilizable plasmid that conferred reduced susceptibility to hydrophilic fluoroquinolones.

Characterisation of CTX-M-117, a Pro174Gln variant of CTX-M-15 extended-spectrum β-lactamase, from a bovine Escherichia coli isolate

2013 ◽  
Vol 41 (1) ◽  
pp. 94-95 ◽  
Author(s):  
Herbert Hächler ◽  
Stathis D. Kotsakis ◽  
Leonidas S. Tzouvelekis ◽  
Nadine Geser ◽  
Angelika Lehner ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Coli Isolate ◽  
Extended Spectrum

scholarly journals Draft Genome Sequence of the Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolate INF13/18/A, Recovered from Kelantan, Malaysia

2020 ◽  
Vol 9 (33) ◽  
Author(s):  
Wan Ratmaazila Wan Makhtar ◽  
Mawaddah Mohd Azlan ◽  
Nor Haslizai Hassan ◽  
Ismail Aziah ◽  
Nurul Hidayah Samsurizal ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Antimicrobial Resistance ◽  
Genome Sequence ◽  
Draft Genome ◽  
Draft Genome Sequence ◽  
Content Type ◽  
Coli Isolate ◽  
Extended Spectrum ◽  
Antimicrobial Resistance Genes ◽  
Basic Characteristics

ABSTRACT We describe here the draft genome sequence and basic characteristics of Escherichia coli isolate INF13/18/A, which was isolated from Universiti Sains Malaysia (USM) Hospital. This isolate was identified as an extended-spectrum β-lactamase-producing Escherichia coli strain harboring the antimicrobial resistance genes TEM, CTX-M-1, and CTX-M-9.

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