97 / 144 97 danmap 2015 the most common esbl type was ctx-m-1 (n = 13), but ctx-m-14 (n = 1) and ctx-m-55 (n = 1) were also observed. among the ampc enzymes, cmy-2 was identified in one isolate. the occurrence of isolates producing these four enzymes is comparable to previous years (web annex, table a7.8). surprisingly, the majority (n = 48) of isolates displayed an ampc phenotype linked to upregulation of chromosomal ampc expression (table 1). the occurrence of samples containing e.
