Dr Luis Ricardo Castellanos

Researcher

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Epidemiology, genomics and antimicrobial resistance of bacteria

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My research interests include the evolution of bacteria and plasmids and the reduction of antimicrobial resistance (AMR). I have been involved in projects related to surveillance of AMR in bacteria from animals and food since 2009. I have been part of the initiative for a Colombian Integrated Program for AMR Surveillance (COIPARS).

My PhD project at the faculty of Veterinary Medicine of Utrecht University, provided an in-depth molecular characterisation of Salmonella enterica and Escherichia coli resistant to third generation cephalosporins in poultry. I joined Dr Alison Mather’s group at the Quadram Institute on a project to identify drivers and dynamics of S. enterica and AMR in pigs and chickens in Brazil.


Key publications

Phylogenomic Investigation of IncI1-Iγ Plasmids Harboring blaCMY-2 and blaSHV-12 in Salmonella enterica and Escherichia coli in Multiple Countries. Antimicrobial Agents and Chemotherapy, 2019. DOI: 10.1128/AAC.02546-18

Genomic Characterization of Extended-Spectrum Cephalosporin-Resistant Salmonella enterica in the Colombian Poultry Chain. Frontiers in Microbiology, 2018. DOI: 10.3389/fmicb.2018.02431

High Heterogeneity of Escherichia coli Sequence Types Harbouring ESBL/AmpC Genes on IncI1 Plasmids in the Colombian Poultry Chain. Plos One, 2017. DOI: 10.1371/journal.pone.0170777

The Establishment of the Colombian Integrated Program for Antimicrobial Resistance Surveillance (COIPARS): A Pilot Project on Poultry Farms, Slaughterhouses and Retail Market. Zoonoses and Public Health, 2015. DOI: 10.1111/zph.12192

Castellanos LR,Van der Graaf-van Bloois L,Donado-Godoy P,Veldman K,Duarte F,Acuña MT,Jarquín C,Weill FX,Mevius DJ,Wagenaar JA,Hordijk J,Zomer AL. (2020)

Antimicrobial Resistance in Salmonella enterica Serovar Paratyphi B Variant Java in Poultry from Europe and Latin America.

Emerging infectious diseases


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