… to the molecular classes defined by Ambler and then … tree based on 3,943 class C sequences
reveals large differences … gene cassette in a class 1 integron characterized by rapid spread …

… the Ambler class D (OXA-type) carbapenemases and Ambler … B (metallo-β-lactamases), and
class A (β-lactamases) collected … from Iran class I integrons and II integrons were detected in …

… In addition to the naturally occurring class D β-lactamases, … genes, suggesting the
presence of class 1 integrons. The complete … activity against Ambler class A, C, and D β-lactamases. …

… -hydrolyzing β-lactamases belonging to Ambler classes A (… analysis revealed the presence
of bla OXA-72 (OXA-24-like family) in six isolates (no. 76, 81, 159, 165, 176 and 195), ISAba1 …

… used is that proposed by Ambler (amino acid sequence-based… OXA β-lactamases are
class D enzymes that were originally … as part of class 1 integrons. However, while VIM-1-carrying …

… association between both genes with class 1 integrons [138]. … the Ambler class A, class B,
and Class D β-lactamases are … University Hospital: Molecular characterization, epidemiology…

… According to Ambler, β-lactamases are classified in four … site, while in class B, we find
metallo-β-lactamases (MBL) that … Molecular characterization was carried out on 146 randomly …

… β-lactamases belonging to different Ambler classes (A, B, D) … as gene cassettes in class I
integrons, which harbors other … Soon thereafter, molecular characterization of bla KPC in A. …

… class D β-lactamases (OXA-type) and the ambler class B … -51 gene, as seen in class 1
integrons, where the expression of … , sequence analysis of the KPC PCR amplicon revealed 100% …

… of β-lactamases (serine-β-lactamases—Ambler classes A, C, … , available data on molecular
characterization of the non-… CHLDs and revealed the presence of class 1 integrons, insertion …