CARLOS ANDRÉS BASTIDAS CALDES

PhD in Public and Animal Health, Biologist and Microbiologist with expertise in bacterial resistance, zoonoses, and molecular epidemiology. Professor of Microbiology and Cell Biology for the Biotechnology program, and supervisor of undergraduate thesis projects. Experienced in fieldwork across human, animal, and environmental health. Researcher at UDLA and INABIO, with 40+ SCOPUS-indexed publications.

• Project Manager, Detection and characterization of tick-borne pathogens in ticks from wild and domestic animals, 01/2024 - Present
• Project Manager, Detection and characterization of trematode cercariae in the freshwater snail Melanoides tuberculata in Ecuador, 01/2021 - 12/2023
• Project Manager, Detection and characterization of Babesia sp. species in ticks from wild and domestic animals from Ecuador, 01/2019 - 12/2020
• Researcher, Phenotypic and molecular resistance to colistin and Extended Spectrum Beta-lactamases (ESBL) in Escherichia coli and Klebsiella pneumoniae isolated from human and backyard animal feces in tropical rural communities of Ecuador, 01/2018 - 12/2020
• Researcher, Prevalence and characterization of antibiotic resistance profiles of Staphylococcus aureus isolated from Medicine students of the University of the Americas: a molecular analysis for the Leukocidin Panton-Valentine and mecA genes, 04/2018 - Present
• Master degree student, Culture of type strains of Pseudomonas genus. DNA extraction, amplification, sequencing and computer analysis of multi-locus genes., Laboratory of Environmental Microbiology, University of the Balearic Islands, 12/2011

• Romero-Alvarez D, Calvopiña M, Cisneros-Vásquez E, Garzon-Chavez D, Warren AK, Bennett LS, Janapati RR, Bastidas-Caldes C, Cabezas-Moreno M, de Waard JH, Silva-Martinod D, Schaub R, Jackson M, Peterson AT, Avanzi C, Mycobacterium leprae in Nine-Banded Armadillos (Dasypus novemcinctus), Ecuador, Emerg Infect Dis, 12/2024, 30, 12, 2629-2632, 10.3201/eid3012.231143, 39592404, PMC11616649
• Hoang HTT, Yamamoto M, Calvopina M, Bastidas-Caldes C, Yamamoto Y, Chromosomal qnrB19-carrying Escherichia coli isolated from the stool sample of a community resident in Ecuador, Microbiol Resour Announc, 06/2024, 13, 6, e0004624, 10.1128/mra.00046-24, 38775496, PMC11237805
• Medina A, Vega Y, Medina J, López RN, Vayas P, Soria J, Velásquez-Yambay C, Sánchez-Gavilanes L, Bastidas-Caldes C, Calero-Cáceres W, Characterization of antimicrobial resistance profiles in Escherichia coli isolated from captive mammals in Ecuador, Vet Med Sci, 07/2024, 10, 4, e1546, 10.1002/vms3.1546, 39016692, PMC11253296
• Bastidas-Caldes C, Hernández-Alomía F, Almeida M, Ormaza M, Boada J, Graham J, Calvopiña M, Castillejo P, Molecular identification and antimicrobial resistance patterns of enterobacterales in community urinary tract infections among indigenous women in Ecuador: addressing microbiological misidentification, BMC Infect Dis, 10/2024, 24, 1, 1195, 10.1186/s12879-024-10096-7, 39438815, PMC11515717
• Bastidas-Caldes C, Vasco-Julio D, Huilca-Ibarra M, Guerrero-Freire S, Ledesma-Bravo Y, de Waard JH, Addressing the Concern of Orange-Yellow Fungus Growth on Palm Kernel Cake: Safeguarding Dairy Cattle Diets for Mycotoxin-Producing Fungi, Microorganisms, 05/2024, 12, 5, 937, 10.3390/microorganisms12050937, 38792767, PMC11124023
• Bastidas-Caldes C, Romero-Alvarez D, Valdez-Vélez V, Morales RD, Montalvo-Hernández A, Gomes-Dias C, Calvopiña M, Extended-Spectrum Beta-Lactamases Producing Escherichia coli in South America: A Systematic Review with a One Health Perspective, Infect Drug Resist, 09/2022, 15, 5759-5779, 10.2147/IDR.S371845, 36204394, PMC9531622
• Bastidas-Caldes C, Ochoa J, Guerrero-Latorre L, Moyota-Tello C, Tapia W, Rey-Pérez JM, Baroja MI, Removal of Extended-Spectrum Beta-Lactamase-Producing Escherichia coli, ST98, in Water for Human Consumption by Black Ceramic Water Filters in Low-Income Ecuadorian Highlands, Int J Environ Res Public Health, 04/2022, 19, 8, 4736, 10.3390/ijerph19084736, 35457602, PMC9028703
• Bastidas-Caldes C, de Waard JH, Salgado MS, Villacís MJ, Coral-Almeida M, Yamamoto Y, Calvopiña M, Worldwide Prevalence of mcr-mediated Colistin-Resistance Escherichia coli in Isolates of Clinical Samples, Healthy Humans, and Livestock-A Systematic Review and Meta-Analysis, Pathogens, 06/2022, 11, 6, 659, 10.3390/pathogens11060659, 35745513, PMC9230117
• Calvopiña M, Bastidas-Caldes C, Romero F, Villacres-Granda I, Pointier JP, Takagi H, Sugiyama H, Molecular Identification of the Human Pathogen Amphimerus sp. in the Freshwater Snail Aroapyrgus sp. in Ecuador, Am. J. Trop. Med. Hyg., 00/2021, 1–7, In press
• Baroja I, Guerra S, Coral-Almeida M, Ruíz A, Galarza JM, de Waard JH, Bastidas-Caldes C, Methicillin-Resistant Staphylococcus aureus Nasal Colonization Among Health Care Workers of a Tertiary Hospital in Ecuador and Associated Risk Factors, Infect Drug Resist, 08/2021, 14, 3433-3440, 10.2147/IDR.S326148, 34471363, PMC8403571
• Bastidas CA, Villacrés-Granda I, Navarrete D, Monsalve M, Coral-Almeida M, Cifuentes SG, Antibiotic susceptibility profile and prevalence of mecA and lukS-PV/lukF-PV genes in Staphylococcus aureus isolated from nasal and pharyngeal sources of medical students in Ecuador, Infect Drug Resist, 08/2019, 12, 2553-2560, 10.2147/IDR.S219358, 31496767, PMC6701660

• Systematic review and meta-analysis of the current status of colistin resistance in Escherichia coli mediated by the mcr gene in pigs, chickens and humans worldwide, Universidad de las Américas, 01/2020
• Isolation and identification of thermophiles bacteria from the Papallacta geothermal source in the Napo province, Universidad de las Américas, 01/2018
• Identification of organisms of the Apicomplexa Phylum in the gastrointestinal tract of bovines of Santa Cruz Island – Galápagos, Universidad de las Américas, 01/2017
• Isolation and characterization of degrading strains of aromatic hydrocarbons obtained from soils of the province of Napo, Universidad de las Américas, 01/2017
• Exploration of nutritional sources of Spirulina spp. Natives in the Colta lagoon, Universidad de las Américas, 01/2017
• Determination of the presence of Escherichia coli O157: H7 in ground beef in municipal markets of Quito, Universidad de las Américas, 01/2017
• Design of a Strategic Plan for the conservation and sustainable use of genetic resources derived from amphibians in the Jambatu Center, Universidad de las Américas, 01/2017
• Isolation and identification of microorganisms capable of degrading hydrocarbons in contaminated soils of the Lumbaqui community, Sucumbíos Province, Universidad de las Américas, 01/2017
• Evaluation of Trichoderma spp. as biofertilizer and biological controller of the fungus Verticillium spp. in blackberry crops, Universidad de las Américas, 01/2017
• Isolation and identification of degrading microorganisms of used motor oil, obtained from soil samples of mechanics from the center of Ibarra, in Imbabura, Ecuador, Universidad de las Américas, 01/2017
• Wastewater treatment using a consortium of encapsulated microorganisms obtained from the Machangara river, Universidad de las Américas, 01/2016

• 10/2022, Colistin resistance in Escherichia coli and Klebsiella pneumoniae in humans and backyard animals in Ecuador, I Congreso Internacional de Biomedicina, Quito, Ecuador
• 11/2019, Phenotypic and molecular resistance to colistin in Escherichia coli and Klebsiella pneumoniae isolated from human and backyard animal feces in rural communities on the coast and the Ecuadorian Amazon, I INTERNATIONAL CONGRESS RESISTANCE TO ANTMICROBIALS, One Health Approach, Quito, Ecuador
• 11/2017, Standardization of a multiple PCR for the identification of three pathogens in bees of Ecuador, XLI National Biology Conference, Quito, Ecuador
• 11/2017, Identification of organisms of the Apicomplexa Phylum in the gastrointestinal tract of bovines of Santa Cruz Island - Galápagos, XLI National Biology Conference, Quito, Ecuador
• 03/2017, EVALUATION OF Trichoderma sp AS A BIOFERTILIZER AND BIOLOGICAL CONTROLLER OF THE HONEY Verticillium sp IN MORA CROPS IN ECUADOR, Fourth Argentine Congress of Phytopathology, Mendoza, Argentina
• 07/2011, Update of the genus Pseudomonas from multilocus sequences, XXIII National Congress of Microbiology, Salamanca, Spain
• 11/2008, Susceptibility in clinical isolates of Staphylococcus aureus to heavy metals and detection of active ejection systems (SEAs), XIX LATIN AMERICAN AND ECUADORIAN VI CONGRESS OF MICROBOLOGY, Quito, Ecuador
• 03/2008, Susceptibility to heavy metals and its relationship with the profile antimicrobial in Staphylococcus aureus, 1st INTERNATIONAL BIOTECHNOLOGY MEETING AND 1st BIOTECHNOLOGICAL EXHIBITION FAIR, Medellin, Colombia
• 01/2008, Susceptibility to heavy metals and their relation with the antibiotic and plasmid profile in Staphylococcus aureus, first PUCE-FULBRIGTH international symposium, Quito, Ecuador
• 11/2007, Susceptibility to heavy metals in clinical isolates of Staphylococcus aureus, XXXI Biology Conference, Guayaquil, Ecuador

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• Facultad de Ingeniería y Ciencias Aplicadas, Biotecnología, Universidad de las Amércias, Quito-Ecuador
• Instituto Nacional de Biodiversidad, Quito-Ecuador