• Profesor
  • Colegio de Ciencias Biológicas y Ambientales, COCIBA
  • 297-1700 ext 1836


  • PhD, Iowa State University


Post doctorate research associate, University of Minnesota
( 1993 - 1995 )
hacer investigación


Determinants of Childhood Zoonotic Enteric Infections in a Semirural Community of Quito, Ecuador
Factors Obscuring the Role of E. coli from Domestic Animals in the Global Antimicrobial Resistance Crisis: An Evidence-Based Review
Genome sequencing of the first SARS-CoV-2 reported from patients with COVID-19 in Ecuador (under review)
Mobile genetic elements associated withcarbapenemase genes in South AmericanEnterobacterales
Oropouche virus cases identified in Ecuador using an optimised qRT-PCR informed by metagenomic sequencing
Population structure and genetic diversity of Mycobacterium tuberculosis in Ecuador
Salmonella grows massively and aerobically in chickenfaecal matter
SARS-CoV-2 ORF3b is a potent interferon antagonist whose activity is further increased by a naturally occurring elongation variant (under review)
Transmission of Extended Spectrum β-lactamase (esbl) Producing E. coli and Esbl Genes between Children and Domestic Animals Inecuador
Construcción y operación de una cámara anaeróbica de bajo costo para la siembra y el cultivo de bacterias sulfato reductoras
Country‑Wide Rapid Screening for the Mycobacterium tuberculosis Beijing Sublineage in Ecuador Using a Single‑Nucleotide Polymorphism‑Polymerase Chain Reaction Method
Diverse Commensal Escherichia coli Clones and Plasmids Disseminate Antimicrobial Resistance Genes in Domestic Animals and Children in a Semirural Community in Ecuador
Diverse Escherichia coli isolates from domestic animal in the same Ecuadorian household all carry the colistin resistance gene mcr1.1
Evolutionary changes of an intestinal Lactobacillus reuteri during probiotic manufacture
First report of a clinical isolate of blaOXA-48- carbapenemase producing Raoultella ornithinolytica in South America
Household coping strategies associated with unreliable water supplies and diarrhea in Ecuador, an upper-middle-income country
Impacts of small-scale chicken farming activity on antimicrobial-resistant Escherichia coli carriage in backyard chickens and children in rural Ecuador
Leptospira and Leptospirosis
Metagenomic signatures of gut infection caused by different Escherichia coli pathotypes
NDM-1 carbapenemase in Acinetobacter baumannii sequence type 32 in Ecuador
Oropouche virus cases identified in Ecuador using an optimised rRT-PCR informed by metagenomic sequencing
Prevalence, Drug Resistance, and Genotypic Diversity of the Mycobacterium tuberculosis Beijing Family in Ecuador
Salmonella grows massively and aerobically in fecal matter
The evolutionary dynamics of Oropouche Virus in South America
Withdraw of prophylactic antimicrobials does not change the pigs' resistome
Antibiotic Resistome Associated with Small-scale Poultry Production in Rural Ecuador
Changes in dominant Escherichia coli and antimicrobial resistance after 24 hr in fecal matter
Dengue Serotype Differences in Urban and Semi-Rural Communities in Ecuador
Diverse Escherichia coli lineages, from domestic animals and humans in a household, carry colistin resistance gene mcr-1 in Ecuador
High Prevalence of Extended Spectrum Beta-Lactamase CTX-M-Producing Escherichia coli in Small-Scale Poultry Farming in Rural Ecuador
Human Gut Microbiota Diversity Across A Rural to Urban Gradient in Ecuador and its Role During Diarrheal Infections
Isolation of Oropouche Virus from Febrile Patient, Ecuador
Locals Get Travelers' Diarrhea Too: Risk factors for diarrheal illness and pathogenic E. coli infection across an urban-rural gradient in Ecuador
Longitudinal Field Study Evaluating the Spillover of Antibiotic Resistant Escherichia coli from Poultry to Humans in Ecuador
Metagenomic Signatures of the Gut Microbiota During Diarrhea with Potential Infection by Different E. coli Pathovars in Northern Ecuador
Microbial composition during the removal of Copper and Zinc in a bioreactor with a limestone pre-column system
Physiological and parasitological effects of stress on Rufous-collared Sparrow Zonotrochia capensis on an urban-rural matrix in the high tropical Andes
Potential Zoonotic Transmission of Giardia duodenalis in Semi-rural Communities Near Quito, Ecuador
Resistance is Not Futile! Antibiotics and AMR in Ag and the Environment
Evaluating Spillover of Antibiotic-Resistant Escherichia coli between Different Varieties of Chickens in Rural Ecuador
Exploring human gut microbiota diversity across a rural to urban gradient in Ecuador and their response to diarrheal infections
First case of New Delhi metallo-β-lactamase in Klebsiella pneumoniae from Ecuador: An update for South America
First Complete Genome Sequences of Zika Virus Isolated from Febrile Patient Sera in Ecuador
Molecular phylogeny of 42 species of Culicoides (Diptera, Ceratopogonidae) from three continents
Parasites dominate hyperdiverse soil protist communities in Neotropical rainforests
PUP Mortality and Evidence for Pathongen Exposure in Galapagos Sea Lions (ZALOPHUS WOLLEBAEKI) on San Cristobal Island, Galapagos, Ecuador
Small-Scale Food Animal Production and Antimicrobial Resistance: Mountain,Molehill, or Something in-between?
The Role of Mobile Genetic Elements in the Spread of Antimicrobial Resistant Escherichia coli from Chickens to Humans in Small-Scale Production Poultry Operations in Rural Ecuador
Variability in strength of association with diarrhea of pathogenic E. coli along an urban-rural gradient in Ecuador
Antibiotic Resistance in Animal and Environmental Samples Associated with Small-Scale Poultry Farming in Northwestern Ecuador
Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA)
Bacteria associated with human saliva are major microbial components of Ecuadorian indigenous beers (chicha)
Campylobacter fetus Bacteremia in a Healthy Patient Returning from a Trip to the Ecuadorian Amazonia
Changes in microbial composition during the removal of copper and zinc in a bioreactor with a limestone pre-column system
Detection of zoonotic enteropathogens in children and domestic animals in a semi-rural community in Ecuador
Disruptions of the Human Gut Microbiome during Diarrhea Infections Caused by Rotavirus and Entero-pathotypes of Escherichia coli
Distribution of E. coli Pathotypes along an Urban Rural Gradient in Ecuador
Distribution of Enteroinvasive and Enterotoxigenic Escherichia coli Across Space and Time in Northwestern Ecuador
Draft Genome Sequence of the First Pathogenic Leptospira Isolates from Ecuador
Escherichia coli pathotypes from Ecuador: association with diarrhea and antibiotic resistance
Exploring Human Gut Microbiota Diversity Across a Rural to Urban Gradient in Ecuador and their Response to Diarrheal Infections
Field observational study evaluating the spillover of antibiotic-resistant bacteria between different varieties of chickens and rural in northern Ecuador
High Leptospira Diversity in Animals and Humans Complicates the Search for Common Reservoirs of Human Disease in Rural Ecuador
Hyperendemic Campylobacter jejuni in guinea pigs (Cavia porcellus) raised for food in a semi-rural community of Quito, Ecuador
Identificación de serotipos de dengue circulantes en Borbón y comunidades durante el periodo 2010-2014.
Identificación molecular y asociación causal de microorganismos presentes en lesiones periapicales refractarias al tratamiento endodoncico
Molecular Detection of Brucella Species in Ecuador
Production farms, class-1 integrons, and antibiotic resistance in E. coli isolates from rural Ecuadorean chickens and humans
Soil Protists in Three Neotropical Rainforests are Hyperdiverse and Dominated by Parasites
The Role of the Microbiome in the Relationship of Asthma and Affective Disorders
Zoonotic intestinal pathogens in a semi-rural community in Ecuador, and their possible transmission between children and domestic animals.
Effect of Diarrheal Disease and Biogeographic Factors in Shaping the Gut Microbiota Composition of Individuals from Northern Coastal Ecuador
High Prevalence of Intermediate Leptospira spp. DNA in Febrile Humans from Urban and Rural Ecuador
MultilocusSequenceTypingde Campylobacterjejunide humanos y animales en una comunidad rural del Ecuador
Prevalence of Human Papillomavirus Types in Cervical Cancerous and Precancerous Lesions of Ecuadorian Women
Spatial Variability of Escherichia coli in Rivers of Northern Coastal Ecuador
The effects of selection pressure and genetic association on the relationship between antibiotic resistance and virulence in Escherichia coli
The role of aerobic respiration in the life cycle of Escherichia coli: Public health implications
Understanding Leptospirosis from the One Health Concept perspective in a rural community of Ecuador-South America
Unexpected distribution of the fluoroquinoloneresistance gene qnrB in Escherichia coli isolates from different human and poultry origins in Ecuador
“Genetic Variation of Nyssomyia trapidoi (Diptera: Psychodidae) in Three Endemic Zones of Leishmaniasis in Ecuador”
Author's responses to the comment by Daniele Lantagne on “Household effectiveness vs. laboratory efficacy of point-of-use chlorination”
Brucellosis in dairy cattle and goats in Northern Ecuador
Characterization of lactic acid bacteria isolated from traditional Ecuadorian fermented foods
Detection and Characterization of Infectious Laryngotracheitis Virus from an Outbreak of Respiratory Disease in Ecuador
Determinación de variantes de HPV16 aislados en muestras de biopsias pre-cancerosas y cancerosas en mujeres ecuatorianas.
Enteric Pathogens Causing Diarrhea in Low income Communities in Ecuador.
Healthcare-associated respiratory tract infection and colonization in an intensive care unit caused by Burkholderia cepacia isolated 4 in mouthwash
Household Effectiveness vs. Laboratory Efficacy of 1 Point-of-use Chlorination
Identifying Etiological Agents Causing Diarrhea in Low Income Ecuadorian Communities
Impact of Rainfall on Diarrheal Disease Risk Associated with Unimproved Water and Sanitation
Investigation moléculaire de 40 espèces de Culicoides Latreille (Diptera : Ceratopogonidae) à travers trois continents
Leptospirosis causada por Leptospira del grupo intermedio
The forces Behind the dissemination of antibiotic resistance and virulence
The origin of human infectious diseases
Título: Genotipificación mediante MLST de E. coli diarreogénica en comunidades rurales de Esmeraldas
Transferencia de genes de resistencia antibiótica entre cepas de E. coli de muestras fecales humanas y de pollos
Why does evolution matter?
A Molecular Systematics of the Genus Culicoides Latreille (Diptera: Ceratopogonidae) from Ecuador
Detección de Coxiella burnetii en leche de bovinos domésticos del Ecuador
Difficulties in the differential diagnosis of dengue and leptospirosis in Guayaquil
Escherichia coli O157:H7 in Ecuador: Animal Reservoirs, Yet No Human Disease
Evolution from the Galapagos: Two centuries after Darwin
First report of Porcine Circovirus 2 (PCV2) circulation in Ecuador
Identification of infecting Leptospira species in samples from febrile persons and animal reservoirs
Multilocus Sequence Typing (MLST) of Burkholderia cepacia associated to a hospital outbreak in Quito
Staphylococcus aureus outbreak in the intensive care unit of the largest public hospital in Quito, Ecuador
The Forces Behind the Spread of Virulence and Antibiotic Resistance in Bacteria
Transition in the Cause of Fever from Malaria to Dengue, Northwestern Ecuador, 1990–2011
A study of a population of Nyssomyia trapidoi (Diptera: Psychodidae) caught on the Pacific coast of Ecuador
Bhavnani et al. Respond to “Assessing Mechanistic Interaction”
Detección de Coxiella burnetii en leche de bovinos del Ecuador
Detección molecular de especies patógenas de Leptospira sp.
La persecucion a los transgenicos
Many Neglected Tropical Diseases May Have Originated in the Paleolithic or Before: New Insights from Genetics
Morphometric and molecular characterization of the series Guyanensis (Diptera, Psychodidae, Psychodopygus) from the Ecuadorian Amazon Basin with description.
Plesiomonas shigelloides: Infection, Ecuador, 2004–2008
Presencia de Brucella sp. en cabras de la ciudad de Quito, provincia de Pichincha, Ecuador
Presencia de Brucella sp. en cabras del Distrito Metropolitano de Quito
Synergistic Effects Between Rotavirus and Coinfecting Pathogens on Diarrheal Disease: Evidence from a Community-based Study in Northwestern Ecuador
High prevalence of Leptospira inadai in animals from an Ecuadorian urban slum
In-roads to the spread of antibiotic resistance: regional patterns of microbial transmission in northern coastal Ecuador
Interactions of Leptospira with Environmental Bacteria from Surface Water
Microbial Evolution
Possible introgression within sympatric Psychodopygus of the guyanensis group in Ecuador
Caractérisation moleculaire des Psychodopygus sympatriques de la série guyanensis de l’amazonie equatorienne.
Characterization of a lipopolysaccharide mutant of Leptospira derived by growth in the presence of an anti-lipopolysaccharide monoclonal antibody
Evaluation of a Polymerase Chain Reaction for the Diagnosis of Leptospirosis in Cattle
Environmental Bacteria Foster the growth of Saprophytic but not Pathogenic Leptospira
Environmental Bacteria from Pristine areas are Capable of Transferring Antibiotic Resistance Genes to Escherichia coli.
Rapid Changes in Rotaviral Genotypes in Ecuador
Symptomatic and Subclinical Infection with Rotavirus P[8]G9, Rural Ecuador
Characterization of IS1501 mutants of Leptospira interrogans serovar pomona
Environmental change and infectious disease: how new roads affect the transmission of diarrheal pathogens in rural Ecuador.
Epidemiological interpretation of fingerprinting profiles from leptospiral isolates
Built to evolve
Cell aggregation: a mechanism of pathogenic Leptospira to survive in fresh water
Adaptación de Leptospira interrogans (sensu stricto) al agua dulce
Desentrañando secretos de la Leptospira
Platt et al. respond: Bats Might be Involved in the Natural History of Dengue Virus
Detection of Dengue Virus Neutralizing Antibodies in Bats from Costa Rica and Ecuador
Detection of Fasciola hepatica infection in a community located in the Ecuadorian Andes.
A cheA cheW operon in Borrelia burgdorferi, the agent of Lyme disease
Random primed gene walking PCR: a simple procedure to retrieve nucleotide fragments adjacent to known DNA sequences
Cloning of the pfaP gene of Leptospira borgpetersenii
Characterization of the Periplasmic Flagellum Proteins of Leptospira interrogans
Characterization of outer membrane and secreted proteins of Leptospira interrogans serovar pomona.
Effect of vaccination with a monovalent Leptospira interrogans serovar hardjo type hardjo-bovis vaccine on type hardjo-bovis infection of cattle.
Evaluation of an enzyme immunoassay for diagnosis of bovine leptospirosis caused by leptospira interrogans serovar hardjo type hardjo-bovis
Comparison of three techniques to detect Leptospira interrogans serovar hardjo type hardjo-bovis in bovine urine.
Effect of vaccination with a pentavalent leptospiral vaccine containing Leptospira interrogans serovar hardjo type hardjo-bovis on type hardjo-bovis infection of cattle.


Microbiología, Enfermedades Infecciosas y Evolucion Microbiana