José Luis Martínez

ORCID: 0000-0001-8813-7607
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About
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Research Areas
  • Antibiotic Resistance in Bacteria
  • Bacterial biofilms and quorum sensing
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Infections and bacterial resistance
  • Evolution and Genetic Dynamics
  • Bacterial Genetics and Biotechnology
  • Antibiotic Use and Resistance
  • Antibiotics Pharmacokinetics and Efficacy
  • Bacteriophages and microbial interactions
  • Vibrio bacteria research studies
  • Bacterial Identification and Susceptibility Testing
  • Gut microbiota and health
  • Genomics and Phylogenetic Studies
  • Clostridium difficile and Clostridium perfringens research
  • Antimicrobial agents and applications
  • Antimicrobial Resistance in Staphylococcus
  • Plant Pathogenic Bacteria Studies
  • Escherichia coli research studies
  • Ultrasound in Clinical Applications
  • Antimicrobial Peptides and Activities
  • Probiotics and Fermented Foods
  • Pneumonia and Respiratory Infections
  • Salmonella and Campylobacter epidemiology
  • Microbial Community Ecology and Physiology
  • Aquaculture disease management and microbiota

Centro Nacional de Biotecnología
2016-2025

Consejo Superior de Investigaciones Científicas
2014-2024

Technical University of Denmark
2015-2024

University of Wisconsin–Madison
2024

Universidad del Desarrollo del Estado de Puebla
2023

International Flavors & Fragrances (France)
2023

Centro de Investigación Biomédica en Red
2008-2022

Hospital Universitario Puerta de Hierro Majadahonda
1999-2022

Instituto de Investigación Sanitaria de Santiago
2022

Hospital Universitario Ramón y Cajal
1989-2020

OPINION article Front. Microbiol., 13 January 2012Sec. Antimicrobials, Resistance and Chemotherapy Volume 3 - 2012 | https://doi.org/10.3389/fmicb.2012.00001

10.3389/fmicb.2012.00001 article EN cc-by Frontiers in Microbiology 2012-01-01

The large majority of antibiotics currently used for treating infections and the antibiotic resistance genes acquired by human pathogens each have an environmental origin. Recent work indicates that function these elements in their reservoirs may be very distinct from "weapon-shield" role they play clinical settings. Changes natural ecosystems, including release amounts antimicrobials, might alter population dynamics microorganisms, selection resistance, with consequences health are...

10.1126/science.1159483 article EN Science 2008-07-17

It has been widely assumed that the ecological function of antibiotics in nature is fighting against competitors. This made them a good example Darwinian struggle-for-life microbial world. Based on this idea, it also believed antibiotics, even at subinhibitory concentrations, reduce virulence bacterial pathogens. Herein, using combination genomic and functional assays, we demonstrate specific (namely tobramycin, tetracycline, norfloxacin) concentrations trigger expression determinants...

10.1073/pnas.0608949103 article EN Proceedings of the National Academy of Sciences 2006-12-06

A comprehensive monitoring of a broad set antibiotics in the final effluent wastewater treatment plants (WWTPs) 7 European countries (Portugal, Spain, Ireland, Cyprus, Germany, Finland, and Norway) was carried out two consecutive years (2015 2016). This is first study this kind performed at an international level. Within 53 monitored 17 were detected least once WWTPs, i.e.: ciprofloxacin, ofloxacin, enrofloxacin, orbifloxacin, azithromycin, clarithromycin, sulfapyridine, sulfamethoxazole,...

10.1016/j.envint.2020.105733 article EN cc-by Environment International 2020-04-27

Bacteria with intrinsic resistance to antibiotics are a worrisome health problem. It is widely believed that antibiotic of bacterial pathogens mainly the consequence cellular impermeability and activity efflux pumps. However, analysis transposon-tagged Pseudomonas aeruginosa mutants presented in this article shows phenotype emerges from action numerous proteins all functional categories. Mutations some genes make P. more susceptible thereby represent new targets. other resistant therefore...

10.1371/journal.pone.0001619 article EN cc-by PLoS ONE 2008-02-20

Multidrug efflux pumps are chromosomally encoded genetic elements capable of mediating resistance to toxic compounds in several life forms. In bacteria, these involved intrinsic and acquired antibiotics. Unlike other well-known horizontally antibiotic determinants, genes encoding for multidrug belong the core bacterial genomes thus have evolved over millions years. The selective pressure stemming from use antibiotics treat infections is relatively recent evolutionary terms. Therefore, it...

10.3389/fmicb.2013.00007 article EN cc-by Frontiers in Microbiology 2013-01-01

Anthropogenic environments have been implicated in enrichment and exchange of antibiotic resistance genes bacteria. Here we study the impact confined controlled swine farm on temporal changes gut microbiome resistome veterinary students with occupational exposure for 3 months. By analyzing 16S rRNA whole metagenome shotgun sequencing data tandem culture-based methods, show that shapes students, resulting potentially pathogenic taxa antimicrobial genes. Comparison students' microbiomes...

10.1038/s41467-020-15222-y article EN cc-by Nature Communications 2020-03-18
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