<i>Salmonella enterica</i> multilocus sequence typing and its correlation with serotypes

Pethplerdprao, Patcharapan; Supa-amornkul, Sirirak; Panvisavas, Nathinee; Chaturongakul, Soraya

doi:10.1080/08905436.2017.1301820

Cited by 9 publications

(6 citation statements)

References 9 publications

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“…In this study, ST11 corresponded to Salmonella Enteritidis, which is consistent with previous reports [29]. However, some studies have shown that, in America, the major prevalent STs are ST34, ST33, and ST11 [30], which shows that STs may be associated with regions.…”

Section: Discussionsupporting

confidence: 91%

Occurrence and Characterization of Salmonella Isolated from Large-Scale Breeder Farms in Shandong Province, China

Yang

Gao

Chang

et al. 2019

BioMed Research International

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This study aimed to investigate the prevalence and antimicrobial resistance of Salmonella spp. isolated from large-scale breeder farms in Shandong Province, China. A total of 63 Salmonella isolates (63/409, 15.4%) were identified from 409 samples collected from five large-scale breeder farms in Shandong Province. These Salmonella isolates were assayed for serotype, antimicrobial susceptibility, prevalence of class 1 integrons, quinolone resistance genes, and β-lactamase genes and subtyped by multilocus sequence typing (MLST). Among these isolates, S. Enteritidis (100%) was the predominant serovar, and high antimicrobial resistance rates to nalidixic acid (100.0%), streptomycin (100.0%), ampicillin (98.4%), and erythromycin (93.7%) were observed. All of the isolates carried blaTEM. MLST results showed that only one sequence type (ST11) was identified. Our findings indicated that Salmonella was generally prevalent not only on broiler farms but also on breeder farms.

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Section: Discussionsupporting

confidence: 91%

Occurrence and Characterization of Salmonella Isolated from Large-Scale Breeder Farms in Shandong Province, China

Yang

Gao

Chang

et al. 2019

BioMed Research International

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“…En estudios previos usando genes de MLST se asigna esta serovariedad dentro del genotipo ST32 (24) . Sin embargo, en el presente estudio se identificaron 42 cepas con este patrón; las otras cepas confirmadas serológicamente y molecularmente como Salmonella Infantis presentaron ST no característicos en la base de datos (25) , estas deben ser considerados para la actualización de la base de datos MLST.…”

Section: Discussionunclassified

Multidrogorresistencia de Salmonella infantis en Perú: un estudio mediante secuenciamiento de nueva generación

Quino

Hurtado

Escalante-Maldonado

et al. 2019

Rev Peru Med Exp Salud Publica

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“…However, a recent report from Malaysia showed that ST1925 was dominantly detected among chicken-associated S. Enteritidis strains ( Zakaria et al, 2022 ). In America, the major prevalent STs are ST34, ST33, and ST11 ( Pethplerdprao et al, 2017 ), which shows that STs may be associated with regions. Furthermore, the other mainly identified sequence types, ST13 ( S .…”

Section: Discussionmentioning

confidence: 99%

Genomic characterization of Salmonella isolated from retail chicken and humans with diarrhea in Qingdao, China

Wang,

Cui,

Liu

et al. 2023

Front. Microbiol.

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Salmonella, especially antimicrobial resistant strains, remains one of the leading causes of foodborne bacterial disease. Retail chicken is a major source of human salmonellosis. Here, we investigated the prevalence, antimicrobial resistance (AMR), and genomic characteristics of Salmonella in 88 out of 360 (24.4%) chilled chicken carcasses, together with 86 Salmonella from humans with diarrhea in Qingdao, China in 2020. The most common serotypes were Enteritidis and Typhimurium (including the serotype I 4,[5],12:i:-) among Salmonella from both chicken and humans. The sequence types were consistent with serotypes, with ST11, ST34 and ST19 the most dominantly identified. Resistance to nalidixic acid, ampicillin, tetracycline and chloramphenicol were the top four detected in Salmonella from both chicken and human sources. High multi-drug resistance (MDR) and resistance to third-generation cephalosporins resistance were found in Salmonella from chicken (53.4%) and humans (75.6%). In total, 149 of 174 (85.6%) Salmonella isolates could be categorized into 60 known SNP clusters, with 8 SNP clusters detected in both sources. Furthermore, high prevalence of plasmid replicons and prophages were observed among the studied isolates. A total of 79 antimicrobial resistant genes (ARGs) were found, with aac(6′)-Iaa, blaTEM-1B, tet(A), aph(6)-Id, aph(3″)-Ib, sul2, floR and qnrS1 being the dominant ARGs. Moreover, nine CTX-M-type ESBL genes and the genes blaNMD-1, mcr-1.1, and mcr-9.1 were detected. The high incidence of MDR Salmonella, especially possessing lots of mobile genetic elements (MGEs) in this study posed a severe risk to food safety and public health, highlighting the importance of improving food hygiene measures to reduce the contamination and transmission of this bacterium. Overall, it is essential to continue monitoring the Salmonella serotypes, implement the necessary prevention and strategic control plans, and conduct an epidemiological surveillance system based on whole-genome sequencing.

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Salmonella enterica multilocus sequence typing and its correlation with serotypes

Cited by 9 publications

References 9 publications

Occurrence and Characterization of Salmonella Isolated from Large-Scale Breeder Farms in Shandong Province, China

Occurrence and Characterization of Salmonella Isolated from Large-Scale Breeder Farms in Shandong Province, China

Multidrogorresistencia de Salmonella infantis en Perú: un estudio mediante secuenciamiento de nueva generación

Genomic characterization of Salmonella isolated from retail chicken and humans with diarrhea in Qingdao, China

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