Evidence map›Paper›PMID 29739906›Full record

ArticlemBio2018

Ceftazidime Is the Key Diversification and Selection Driver of VIM-Type Carbapenemases.

Laura Martínez-García, José M González-Alba, Fernando Baquero, Rafael Cantón, Juan Carlos Galán

Open access · goldAbstract read
In one paragraph

Article in mBio, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
0.8field-weighted citation impact, top 36% 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

15 citing papers in PubMed, 22 citations in OpenAlex.

  1. Addressing therapeutic options for KPC-3-producing ST307-Antimicrobial agents and chemotherapy · 2026
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  8. Challenges and shortcomings of antibacterial discovery projects.Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases · 2023
    Article
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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

5 authors at 2 institutions in 1 country.

Laura Martínez-GarcíaServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain.
José M González-AlbaServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain.
Fernando BaqueroServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain.
Rafael CantónServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain.
Juan Carlos GalánServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain juancarlos.galan@salud.madrid.org.
Instituto Ramón y Cajal de Investigación Sanitaria · ESHospital Universitario Ramón y Cajal · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In recent decades, carbapenems have been considered the last line of antibiotic therapy for Gram-negative bacterial infections. Unfortunately, strains carrying a high diversity of β-lactamases able to hydrolyze carbapenems have emerged in the clinical setting. Among them, VIM β-lactamases have diversified in a bloom of variants. The evolutionary reconstructions performed in this work revealed that, at the end of the 1980s, two independent events involving diversification from VIM-2 and VIM-4 produced at least 25 VIM variants. Later, a third event involving diversification from VIM-1 occurred in the mid-1990s. In a second approach to understanding the emergence of VIM carbapenemases, 44 mutants derived from VIM-2 and VIM-4 were obtained by site-directed mutagenesis based on those positions predicted to be under positive selection. These variants were expressed in an isogenic context. The more-evolved variants yielded increased levels of hydrolytic efficiency toward ceftazidime to a higher degree than toward carbapenems. In fact, an antagonist effect was frequently observed. These results led us to develop an experimental-evolution step. When

Indexed as

Anti-Bacterial AgentsBacteriaBacterial Proteinsbeta-LactamasesCeftazidimeEscherichia coliPhylogenySelection, GeneticAnti-Bacterial AgentsBacterial Proteinsbeta-LactamasescarbapenemaseCeftazidimeceftazidimediversificationevolutionphylogenyVIM

Identifiers

PMID29739906
PMCPMC5941070
OpenAlexW2802918078

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.