Evidence map›Paper›PMID 19557341›Full record

ArticleJournal of microbiology (Seoul, Korea)2009

Evaluation of three molecular methods of repetitive element loci for differentiation of Mycobacterium avium subsp. paratuberculosis (MAP).

Amr El-Sayed, Abdulwahed Ahmed Hassan, Saleh Natour, Amir Abdulmawjood, Michael Bülte, Wilfried Wolter, Michael Zschöck

Abstract readEvaluation Study
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In one paragraph

Article in Journal of microbiology (Seoul, Korea), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
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

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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

7 citing papers in PubMed.

  1. Genotyping methods and molecular epidemiology ofInternational journal of veterinary science and medicine · 2018
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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Amr El-SayedLandesbetrieb Hessisches Landeslabor, Schubertstrasse 60, Haus 13, D-35392 Giessen, Germany.
Abdulwahed Ahmed Hassan
Saleh Natour
Amir Abdulmawjood
Michael Bülte
Wilfried Wolter
Michael Zschöck

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of the present study is to evaluate the efficiency of three methods to determine the molecular diversity of 34 Mycobacterium avium subsp. paratuberculosis (MAP) strains isolated from 17 cattle herds. The applied methods included the analysis of sequence polymorphism of the mononucleotide (G1 and G2) and trinucleotide sequences (GGT) of the Short Sequence Repeats (SSR) and the determination of size polymorphism of 9 different Mycobacterial Interspersed Repetitive Units (MIRU) and 6 Variable Number Tandem Repeats (VNTR). Sequence analysis of SSR of 34 isolates showed 4, 6, and 2 alleles of G1, G2, and GGT repeats, respectively. The amplification of the investigated 9 MIRU units revealed only two discriminatory genotyping systems (MIRU2 and MIRU3). Out of 6 VNTR PCR differentiation methods, only one method could be recommended for genotyping purposes. The profile 7g-12g-4ggt-II-b-2 of the combination systems G1-G2-GGT-MIRU2-MIRU3-VNTR1658 dominates among the examined isolates and was detected in 14.7% of the isolates. The use of certain repetitive loci of SSR, MIRU, and VNTR techniques in this study showed greater potential than others for the characterization of MAP isolates. The recommended loci can be used for the epidemiological tracing of MAP field strains and to determine the relationships between isolates in different herds.

Indexed as

Interspersed Repetitive SequencesPolymorphism, GeneticAnimalsBacterial Typing TechniquesCattleDNA, BacterialGenotypeMolecular EpidemiologyMycobacterium avium subsp. paratuberculosisSensitivity and SpecificityDNA, Bacterial

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