Fifteen years of successful spread of Salmonella enterica serovar Mbandaka clone ST413 in Poland and its public health consequences
PBN-AR
Instytucja
Państwowy Instytut Weterynaryjny - Państwowy Instytut Badawczy
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Annals of Agricultural and Environmental Medicine
ISSN
1232-1966
EISSN
1898-2263
Wydawca
INST AGRICULTURAL MEDICINE
DOI
Rok publikacji
2016
Numer zeszytu
2
Strony od-do
237-241
Numer tomu
23
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Pozostali autorzy
+ 1
Słowa kluczowe
en
salmonellosis; epidemiology; PFGE, MLST; plasmids; antimicrobial resistance
Open access
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Creative Commons — Uznanie autorstwa-Niekomercyjne-Bez utworów zależnych
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Język
en
Treść
In the 1990s, Salmonella enterica serovar (S.) Mbandaka occurred in feed and poultry in Poland. In the following years, the serovar also gained epidemiological importance in other EU countries. The objectives of current study were to evaluate the genetic relationship of contemporary S.Mbandaka with isolates originating from the beginning of the epidemics, and to assess the contribution of poultry as the source of infections in humans. Seventy S. Mbandaka isolated mainly in 2009 – 2010 from humans, poultry, food, and feed were typed with API ID32®, MIC, plasmid profiling, PFGE, and MLST. PCR and sequencing were used to identify plasmid mediated quinolone and cephalosporin resistance mechanisms. Six biochemical profiles were identified and 59 of S. Mbandaka proved to be susceptible to the applied antimicrobials. Eight strains carried plasmids and a few of them were positive for blaCMY-2 and qnrS1 genes. Two clusters of 15 XbaI-PFGE profiles with similarity of 77.5% were found. The first cluster, gathered 7 profiles involving historical isolates and several contemporary non-human S. Mbandaka. The predominant profile in the second cluster consisted of 28 human and 1 broiler isolate. MLST analysis showed sequence type ST413 occurring among all tested isolates. The identification of close genetic relationships between S. Mbandaka of human and poultry origin indicates animals as a primal human infection route. Despite Salmonella control programmes, the S. Mbandaka ST413 clone has been circulating for several years in Poland. Salmonella control polices in food production chain should be continuously updated to target serovars of major epidemiological importance. Resistance noted in S. Mbandaka to such antimicrobials as fluoroquinolones and cephalosporins may hinder public health.
Cechy publikacji
praca doświadczalna
Inne
System-identifier
969
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