ArticleBMC infectious diseases2012
Improving resolution of public health surveillance for human Salmonella enterica serovar Typhimurium infection: 3 years of prospective multiple-locus variable-number tandem-repeat analysis (MLVA).
Article in BMC infectious diseases, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed, 46 citations in OpenAlex.
- Trial
- Genomic diversity ofFrontiers in microbiology · 2024Article
- Genomic Epidemiology and Multilevel Genome Typing of Australian Salmonella enterica Serovar Enteritidis.Microbiology spectrum · 2023Article
- Enhancing genomics-based outbreak detection of endemicMicrobial genomics · 2021Article
- Diversity of Salmonella serotypes from humans, food, domestic animals and wildlife in New South Wales, Australia.BMC infectious diseases · 2018Article
- Novel Salmonella enterica Serovar Typhimurium Genotype Levels as Herald of Seasonal Salmonellosis Epidemics.Emerging infectious diseases · 2018Article
- Evaluation of molecular typing of foodborne pathogens in European reference laboratories from 2012 to 2013.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2016Article
- Whole genome sequencing of Salmonella Typhimurium illuminates distinct outbreaks caused by an endemic multi-locus variable number tandem repeat analysis type in Australia, 2014.BMC microbiology · 2016Article
- The evaluation and application of multilocus variable number tandem repeat analysis (MLVA) for the molecular epidemiological study of Salmonella enterica subsp. enterica serovar Enteritidis infection.Annals of clinical microbiology and antimicrobials · 2016Article
- Evolution of Variable Number Tandem Repeats and Its Relationship with Genomic Diversity inFrontiers in microbiology · 2016Article
- Genomic Variability of Serial Human Isolates of Salmonella enterica Serovar Typhimurium Associated with Prolonged Carriage.Journal of clinical microbiology · 2015Article
- Defining the Core Genome of Salmonella enterica Serovar Typhimurium for Genomic Surveillance and Epidemiological Typing.Journal of clinical microbiology · 2015Article
- Delineating community outbreaks of Salmonella enterica serovar Typhimurium by use of whole-genome sequencing: insights into genomic variability within an outbreak.Journal of clinical microbiology · 2015Article
- A single-tube multiple-locus variable-number tandem-repeat analysis of Mycoplasma pneumoniae clinical specimens by use of multiplex PCR-capillary electrophoresis.Journal of clinical microbiology · 2014Article
- Analysis of Salmonella enterica serovar Typhimurium variable-number tandem-repeat data for public health investigation based on measured mutation rates and whole-genome sequence comparisons.Journal of bacteriology · 2014Article
- Genome analysis and CRISPR typing of Salmonella enterica serovar Virchow.BMC genomics · 2014Article
- Evidence of microevolution of Salmonella Typhimurium during a series of egg-associated outbreaks linked to a single chicken farm.BMC genomics · 2013Article
- Draft Genome Sequences for Ten Salmonella enterica Serovar Typhimurium Phage Type 135 Variants.Genome announcements · 2013Article
- Comparative study of IS6110 restriction fragment length polymorphism and variable-number tandem-repeat typing of Mycobacterium tuberculosis isolates in the Netherlands, based on a 5-year nationwide survey.Journal of clinical microbiology · 2013Article
- AWestern Pacific surveillance and response journal : WPSARArticle
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7 authors at 3 institutions in 1 country.
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Abstract
backgroundProspective typing of Salmonella enterica serovar Typhimurium (STM) by multiple-locus variable-number tandem-repeat analysis (MLVA) can assist in identifying clusters of STM cases that might otherwise have gone unrecognised, as well as sources of sporadic and outbreak cases. This paper describes the dynamics of human STM infection in a prospective study of STM MLVA typing for public health surveillance.
methodsDuring a three-year period between August 2007 and September 2010 all confirmed STM isolates were fingerprinted using MLVA as part of the New South Wales (NSW) state public health surveillance program.
resultsA total of 4,920 STM isolates were typed and a subset of 4,377 human isolates was included in the analysis. The STM spectrum was dominated by a small number of phage types, including DT170 (44.6% of all isolates), DT135 (13.9%), DT9 (10.8%), DT44 (4.5%) and DT126 (4.5%). There was a difference in the discriminatory power of MLVA types within endemic phage types: Simpson's index of diversity ranged from 0.109 and 0.113 for DTs 9 and 135 to 0.172 and 0.269 for DTs 170 and 44, respectively. 66 distinct STM clusters were observed ranging in size from 5 to 180 cases and in duration from 4 weeks to 25 weeks. 43 clusters had novel MLVA types and 23 represented recurrences of previously recorded MLVA types. The diversity of the STM population remained relatively constant over time. The gradual increase in the number of STM cases during the study was not related to significant changes in the number of clusters or their size. 667 different MLVA types or patterns were observed.
conclusionsProspective MLVA typing of STM allows the detection of community outbreaks and demonstrates the sustained level of STM diversity that accompanies the increasing incidence of human STM infections. The monitoring of novel and persistent MLVA types offers a new benchmark for STM surveillance.A part of this study was presented at the MEEGID × (Molecular Epidemiology and Evolutionary Genetics of Infectious Diseases) Conference, 3-5 November 2010, Amsterdam, The Netherlands.
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