Evidence map›Paper›PMID 21593269›Full record

ArticleJournal of clinical microbiology2011

Evaluation of a single-tube multiplex real-time PCR for differentiation of members of the Mycobacterium tuberculosis complex in clinical specimens.

Tanya A Halse, Vincent E Escuyer, Kimberlee A Musser

Abstract readComparative StudyEvaluation Study
In one paragraph

Article in Journal of clinical microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
3.2field-weighted citation impact, top 8% 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

40 citing papers in PubMed, 75 citations in OpenAlex.

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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

3 authors at 2 institutions in 1 country.

Tanya A HalseNew York State Department of Health, Wadsworth Center, Albany, New York 12208, USA.
Vincent E Escuyer
Kimberlee A Musser
Wadsworth Center · USNew York State Department of Health · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Members of the Mycobacterium tuberculosis complex (MTBC) differ in virulence attributes, drug resistance patterns, and host preferences. The rapid differentiation of these species to determine zoonotic or human sources of tuberculosis disease or to direct treatment can benefit both public health and patient management. Commercially available assays cannot differentiate these species, and published assays have not been evaluated directly on clinical specimens. A real-time PCR assay for the differentiation of M. tuberculosis, M. bovis, M. bovis BCG, M. africanum, M. microti, and M. canettii was developed. The presence or absence of regions of difference (RD) between the genomes of members of the MTBC allowed for the design of a single-tube five-plex real-time PCR assay to differentiate these species. This assay assesses the presence of RD1, RD4, RD9, RD12, and a region exterior to RD9 which is present in all MTBC members. To evaluate the performance of this assay, 192 clinical specimens positive for MTBC by real-time PCR were tested, resulting in a 94% correlation of the real-time PCR with the identification results obtained with cultured material. Additionally, 727 Bactec MGIT 960-positive cultures were tested, resulting in a 97% concordance between the methods. This real-time PCR is an inexpensive and rapid (2.5-h) method performed in a closed-format system and requiring minimal hands-on time that can be implemented in a clinical laboratory and used directly on clinical specimens.

Indexed as

Clinical Laboratory TechniquesDNA PrimersHumansMycobacterium tuberculosisPolymerase Chain ReactionTuberculosisDNA Primers

Identifiers

PMID21593269
PMCPMC3147876
OpenAlexW2099130873

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.