Characterization of extraintestinal pathogenic escherichia coli from meat in southern thailand.
CHARACTERIZATION OF EXTRAINTESTINAL PATHOGENIC ESCHERICHIA COLI FROM MEAT IN SOUTHERN THAILAND.
Southeast Asian J Trop Med Public Health. 2017 Jan;48(1):98-108
Authors: Sukkua K, Pomwised R, Rattanachuay P, Khianngam S, Sukhumungoon P
Abstract
Extraintestinal pathogenic Escherichia coli (ExPEC) is an E. coli group,
which causes diseases in systems outside human intestinal tract. ExPEC isolates
were recovered from fresh chicken (25%) and pork (10%) meats, but not beef and
shrimp, from markets in southern Thailand. Among the 14 ExPEC strains isolated,
all carried iutA and fimH, coding for aerobactin and type 1 fimbriae, respectively.
Two ExPEC strains from chicken meat possessed kpsMTK1 coding for K1 capsular
antigen, responsible for neonatal meningitis. Antimicrobial susceptibility assay
revealed that all ExPEC were resistant to streptomycin and carried blaTEM, but
susceptible to imipenem. Phylogenetic group analysis showed that 4, 4, and 6
ExPEC strains belonged to group A, B1 and D, respectively. ExPEC strains were
classified into four serotypes, namely, O8 (2 strains), O15 (2 strains), O25 (1 strain),
and O127a (1 strain), with the remaining untypeable. DNA profiling analysis by
BOX-PCR revealed clonality of strains with the same serotype. The existence of
ExPEC in meat products should cause concern regarding food safety and public
health not only in southern Thailand but also throughout the country.
PMID: 29644826 [PubMed ...
Source: Southeast Asian Journal of Tropical Medicine and Public Health - Category: Tropical Medicine Tags: Southeast Asian J Trop Med Public Health Source Type: research
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