Evidence map›Paper›PMID 30894568›Full record

ArticleScientific reports2019

Transmission dynamics study of tuberculosis isolates with whole genome sequencing in southern Sweden.

Nader Alaridah, Erika Tång Hallbäck, Jeanette Tångrot, Niclas Winqvist, Erik Sturegård, Kerstin Florén-Johansson, Bodil Jönsson, Erik Tenland, Christina Welinder-Olsson, Patrik Medstrand and 2 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
2.9field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 35 citations in OpenAlex.

  1. Pooled it
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  8. Journal of clinical tuberculosis and other mycobacterial diseases · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Nader AlaridahLaboratory medicine, Department of Microbiology, Immunology and Glycobiology, Lund University, Lund, Sweden.
Erika Tång HallbäckDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Jeanette TångrotNational Bioinformatics Infrastructure Sweden (NBIS), SciLifeLab, Department of Molecular Biology, Computational Life Science Cluster, Umeå University, Umeå, Sweden.
Niclas WinqvistRegional Office for Infectious Disease Control and Prevention, Malmö, Sweden.
Erik SturegårdTranslational Medicine, Clinical Infection medicine, Lund University, Lund, Sweden.
Kerstin Florén-JohanssonDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Bodil JönssonDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.ORCID 0000-0002-0969-5975
Erik TenlandLaboratory medicine, Department of Microbiology, Immunology and Glycobiology, Lund University, Lund, Sweden.
Christina Welinder-OlssonDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Patrik MedstrandTranslational medicine, Department of Clinical Virology, Lund University, Malmö, Sweden.
Bertil KaijserDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Gabriela GodalyLaboratory medicine, Department of Microbiology, Immunology and Glycobiology, Lund University, Lund, Sweden. Gabriela.godaly@med.lu.se.ORCID 0000-0002-3467-1350
Lund University · SEUniversity of Gothenburg · SEScience for Life Laboratory · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Epidemiological contact tracing complemented with genotyping of clinical Mycobacterium tuberculosis isolates is important for understanding disease transmission. In Sweden, tuberculosis (TB) is mostly reported in migrant and homeless where epidemiologic contact tracing could pose a problem. This study compared epidemiologic linking with genotyping in a low burden country. Mycobacterium tuberculosis isolates (n = 93) collected at Scania University Hospital in Southern Sweden were analysed with the standard genotyping method mycobacterial interspersed repetitive units-variable number tandem repeats (MIRU-VNTR) and the results were compared with whole genome sequencing (WGS). Using a maximum of twelve single nucleotide polymorphisms (SNPs) as the upper threshold of genomic relatedness noted among hosts, we identified 18 clusters with WGS comprising 52 patients with overall pairwise genetic maximum distances ranging from zero to nine SNPs. MIRU-VNTR and WGS clustered the same isolates, although the distribution differed depending on MIRU-VNTR limitations. Both genotyping techniques identified clusters where epidemiologic linking was insufficient, although WGS had higher correlation with epidemiologic data. To summarize, WGS provided better resolution of transmission than MIRU-VNTR in a setting with low TB incidence. WGS predicted epidemiologic links better which could consolidate and correct the epidemiologically linked cases, avoiding thus false clustering.

Indexed as

Genome, BacterialMinisatellite RepeatsWhole Genome SequencingAdolescentAdultAgedAged, 80 and overBacterial Typing TechniquesChildChild, PreschoolCluster AnalysisContact TracingFemaleGenomicsHumansInfant

Identifiers

PMID30894568
PMCPMC6426893
OpenAlexW2922991112

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.