Evidence map›Paper›PMID 31337792›Full record

ArticleScientific reports2019

Molecular epidemiology of Klebsiella variicola obtained from different sources.

Humberto Barrios-Camacho, Alejandro Aguilar-Vera, Marilu Beltran-Rojel, Edgar Aguilar-Vera, Josefina Duran-Bedolla, Nadia Rodriguez-Medina, Luis Lozano-Aguirre, Olga Maria Perez-Carrascal, Jesús Rojas, Ulises Garza-Ramos

Abstract 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 50 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed, 1 pooled it
–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

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

50 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pathogens (Basel, Switzerland) · 2024
    Pooled it
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  9. Whole Genome Sequencing ofAntibiotics (Basel, Switzerland) · 2025
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  12. Complete genome sequences ofMicrobiology resource announcements · 2025
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  13. Diagnostics (Basel, Switzerland) · 2025
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  17. Comparative Genomics Revealing the Genomic Characteristics ofTropical medicine and infectious disease · 2024
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  20. Global Emergence and Genomic Epidemiology ofInfection and drug resistance · 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

10 authors.

Humberto Barrios-CamachoInstituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Laboratorio de Resistencia Bacteriana, Cuernavaca, Morelos, Mexico.
Alejandro Aguilar-VeraUniversidad Nacional Autónoma de México, Centro de Ciencias Genómicas, Programa de Genómica Funcional de Procariotes, Cuernavaca, Morelos, Mexico.
Marilu Beltran-RojelInstituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Laboratorio de Resistencia Bacteriana, Cuernavaca, Morelos, Mexico.
Edgar Aguilar-VeraInstituto Nacional de Salud Pública (INSP), Centro de Información para Decisiones en Salud Pública (CENIDSP), Cuernavaca, Morelos, Mexico.
Josefina Duran-BedollaInstituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Laboratorio de Resistencia Bacteriana, Cuernavaca, Morelos, Mexico.
Nadia Rodriguez-MedinaInstituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Laboratorio de Resistencia Bacteriana, Cuernavaca, Morelos, Mexico.
Luis Lozano-AguirreUniversidad Nacional Autónoma de México, Centro de Ciencias Genómicas, Programa de Genómica Evolutiva, Cuernavaca, Morelos, Mexico.
Olga Maria Perez-CarrascalUniversidad Nacional Autónoma de México, Centro de Ciencias Genómicas, Programa de Genómica Evolutiva, Cuernavaca, Morelos, Mexico.
Jesús RojasInstituto Nacional de Salud Pública (INSP), Centro de Información para Decisiones en Salud Pública (CENIDSP), Cuernavaca, Morelos, Mexico.
Ulises Garza-RamosInstituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Laboratorio de Resistencia Bacteriana, Cuernavaca, Morelos, Mexico. ulises.garza@insp.mx.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Klebsiella variicola is considered an emerging pathogen in humans and has been described in different environments. K. variicola belongs to Klebsiella pneumoniae complex, which has expanded the taxonomic classification and hindered epidemiological and evolutionary studies. The present work describes the molecular epidemiology of K. variicola based on MultiLocus Sequence Typing (MLST) developed for this purpose. In total, 226 genomes obtained from public data bases and 28 isolates were evaluated, which were mainly obtained from humans, followed by plants, various animals, the environment and insects. A total 166 distinct sequence types (STs) were identified, with 39 STs comprising at least two isolates. The molecular epidemiology of K. variicola showed a global distribution for some STs was observed, and in some cases, isolates obtained from different sources belong to the same ST. Several examples of isolates corresponding to kingdom-crossing bacteria from plants to humans were identified, establishing this as a possible route of transmission. goeBURST analysis identified Clonal Complex 1 (CC1) as the clone with the greatest distribution. Whole-genome sequencing of K. variicola isolates revealed extended-spectrum β-lactamase- and carbapenemase-producing strains with an increase in pathogenicity. MLST of K. variicola is a strong molecular epidemiological tool that allows following the evolution of this bacterial species obtained from different environments.

Indexed as

Genome, BacterialHumansKlebsiellaKlebsiella InfectionsMolecular EpidemiologyMultilocus Sequence TypingPhylogeny

Identifiers

PMID31337792
PMCPMC6650414

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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.