Puesto de trabajo HR
- Profesor Titular
Cerrar
Bello Toledo, Helia Magaly
Posiciones
- Profesor Titular, Departamento de Microbiología , Facultad de Ciencias Biológicas
Visión General
Publicaciones
publicaciones seleccionadas
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artículo académico
- Detection of KPC-producing Enterobacterales species in wastewater samples from the Gran Concepción Metropolitan area, Chile. BIOLOGICAL RESEARCH. 58(1). 2025
- Emergence of ST8-USA300 and ST8-USA300-Latin American variant: a changing landscape of community-associated methicillin-resistant Staphylococcus aureus in Chile. MICROBIOLOGY SPECTRUM . 13(11). 2025
- Whole-genome sequencing analysis of Cutibacterium spp. recovered from health care-associated endodontic infections. ARCHIVES OF ORAL BIOLOGY. 173. 2025
- Genomic and Phylogenomic Characterization of Carbapenem-resistant Pseudomonas aeruginosa 'High-risk' Clone O4/ExoS + /ST654 Circulating in Chilean Hospitals. JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE. 38:205-211. 2024
- Molecular Characterization of the Convergent Carbapenem-Resistant and Hypervirulent Klebsiella pneumoniae Strain K1-ST23, Collected in Chile during the COVID-19 Pandemic. MICROBIOLOGY SPECTRUM . 11(3). 2023
- In vitro antibacterial activity of endodontic bioceramic materials against dual and multispecies aerobic-anaerobic biofilm models. AUSTRALIAN ENDODONTIC JOURNAL. 48(3):465-472. 2022
- Novel Megaplasmid Driving NDM-1-Mediated Carbapenem Resistance in Klebsiella pneumoniae ST1588 in South America. ANTIBIOTICS-BASEL. 11(9). 2022
- Phenotypic and Genotypic Characterization of Macrolide, Lincosamide and Streptogramin B Resistance among Clinical Methicillin-Resistant Staphylococcus aureus Isolates in Chile. ANTIBIOTICS-BASEL. 11(8). 2022
- Antibacterial Activity of Zinc Oxide Nanoparticles in Self- Curing Acrylic Resin Against Streptococcus mutans. INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 15(3):694-701. 2021
- Antibacterial activity of copper nanoparticles (Cunps) against a resistant calcium hydroxide multispecies endodontic biofilm. NANOMATERIALS. 11(9). 2021
- Antibacterial and cytotoxic evaluation of copper and zinc oxide nanoparticles as a potential disinfectant material of connections in implant provisional abutments: An in-vitro study. ARCHIVES OF ORAL BIOLOGY. 122. 2021
- Antimicrobial Effect of Leukocyte- and Platelet-Rich Fibrin Against Aggregatibacter actinomycetemcomitans Mono-Multiserotypes Model. INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 15(4):1035-1042. 2021
- Carbapenemases produced by carbapenem-resistant pseudomonas aeruginosa isolated from hospitals in Chile. REVISTA CHILENA DE INFECTOLOGIA. 38(1):81-87. 2021
- Hypervirulent and hypermucoviscous extended-spectrum beta-lactamase-producing Klebsiella pneumoniae and Klebsiella variicola in Chile. VIRULENCE. 12(1):35-44. 2021
- Microbiological air quality in a Community Family Health Center of Talcahuano, Biobio Region, Chile. REVISTA CHILENA DE INFECTOLOGIA. 38(3):324-332. 2021
- Molecular characterization and antibacterial activity of oral antibiotics and copper nanoparticles against endodontic pathogens commonly related to health care-associated infections. CLINICAL ORAL INVESTIGATIONS. 25:6729-6741. 2021
- Molecular diversity of Staphylococcus aureus and the role of milking equipment adherences or biofilm as a source for bulk tank milk contamination. JOURNAL OF DAIRY SCIENCE. 104(3):3522-3531. 2021
- Antibiotic Resistance of Enterococcus faecalis from Persistent Endodontic Infections. INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 14(3):448-456. 2020
- Antibiotic resistance in bacterial isolates from freshwater samples in Fildes Peninsula, King George Island, Antarctica. SCIENTIFIC REPORTS. 10(1). 2020
- Colistin Heteroresistance among Extended Spectrum ß-lactamases-Producing Klebsiella pneumoniae. MICROORGANISMS. 8(9):1-6. 2020
- Copper-Polyurethane Composite Materials: Particle Size Effect on the Physical-Chemical and Antibacterial Properties. POLYMERS. 12(9). 2020
- Draft genome sequence of a multidrug-resistant KPC-2 and SRT-2 co-producing Serratia marcescens strain isolated from a hospitalised patient in Chile. JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE. 21:1-2. 2020
- On-Farm Surfaces in Contact with Milk: The Role of Staphylococcus aureus-Containing Biofilms for Udder Health and Milk Quality. FOODBORNE PATHOGENS AND DISEASE. 17(1):44-51. 2020
- Phenotypic and Genotypic Antimicrobial Resistance in Non-O157 Shiga Toxin-ProducingEscherichia coliIsolated From Cattle and Swine in Chile. FRONTIERS IN VETERINARY SCIENCE. 7. 2020
- Effect of ultrasonic sonication time on the structural, optical and antibacterial properties of ceria nanostructures. MATERIALS RESEARCH EXPRESS. 6(9):1-10. 2019
- Evolutionary dynamics of carbapenem-resistant Acinetobacter baumannii circulating in Chilean hospitals. INFECTION GENETICS AND EVOLUTION. 73:93-97. 2019
- Genetic Features of Antarctic Acinetobacter radioresistens Strain A154 Harboring Multiple Antibiotic-Resistance Genes. FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY. 9:1-6. 2019
- Genetic analysis of the first mcr-1 positive Escherichia coli isolate collected from an outpatient in Chile. BRAZILIAN JOURNAL OF INFECTIOUS DISEASES. 23(3):203-206. 2019
- Introduction of NDM-1 and OXA-370 from Brazil into Chile in strains of Klebsiella pneumoniae isolated from a single patient. INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES. 81:28-30. 2019
- Occurrence of Transferable Integrons and sul and dfr Genes Among Sulfonamide-and/or Trimethoprim-Resistant Bacteria Isolated From Chilean Salmonid Farms. FRONTIERS IN MICROBIOLOGY. 10:1-14. 2019
- Occurrence of antibiotics and bacterial resistance in wastewater and sea water from the Antarctic. JOURNAL OF HAZARDOUS MATERIALS. 363:447-456. 2019
- Antibacterial activity against Streptococcus mutans and diametrical tensile strength of an interim cement modified with zinc oxide nanoparticles and terpenes: An in vitro study. JOURNAL OF PROSTHETIC DENTISTRY. 119(5):1-7. 2018
- Genetic Platforms of bla(CTX-M) in Carbapenemase-Producing Strains of K.pneumoniae Isolated in Chile. FRONTIERS IN MICROBIOLOGY. 9:1-9. 2018
- Genomic diversity of listeria monocytogenes isolated from clinical and non-clinical samples in Chile. GENES. 9(8):1-12. 2018
- Metagenomic study of bacterial microbiota in persistent endodontic infections using Next-generation sequencing. INTERNATIONAL ENDODONTIC JOURNAL. 51(12):1336-1348. 2018
- Molecular Typing of Enterococcus faecalis from Persistent Endodontic Infections. INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 12(1):113-119. 2018
- Molecular basis of methicillin-resistance in Staphylococcus aureus. REVISTA CHILENA DE INFECTOLOGIA. 35(1):7-14. 2018
- Synthesis of Copper Nanowires and Their Antimicrobial Activity on Strains Isolated Persistent Endodontic Infections. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY. 18(7):4507-4514. 2018
- The efflux pump inhibitor phenylalanine-arginine beta-naphthylamide (PA beta N) increases resistance to carbapenems in Chilean clinical isolates of KPC-producing Klebsiella pneumoniae. JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE. 12:73-76. 2018
- Diversity structure of culturable bacteria isolated from the Fildes Peninsula (King George Island, Antarctica): A phylogenetic analysis perspective. PLOS ONE. 12(6):1-18. 2017
- KPC: Klebsiella pneumoniae carbapenemase, main carbapenemase in enterobacteriaceae. REVISTA CHILENA DE INFECTOLOGIA. 34(5):476-484. 2017
- The colistin MIC determination in acinetobacter baumannii, Should it be reviewed?. REVISTA CHILENA DE INFECTOLOGIA. 34(4):413-414. 2017
- Antibiotic resistance in Eschericia coli strains isolated from Antarctic bird feces, water from inside a wastewater treatment plant, and seawater samples collected in the Antartic Treaty area. POLAR SCIENCE. 10(2):123-131. 2016
- Colistin in the post-antibiotic era. REVISTA CHILENA DE INFECTOLOGIA. 33(2):166-176. 2016
- Copper activity against multiresistant Gram-positive cocci isolated in Chilean hospitals. REVISTA CHILENA DE INFECTOLOGIA. 33(5):519-523. 2016
- Copper nanoparticles as potential antimicrobial agent in disinfecting root canals. a systematic review . INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 10(3):547-554. 2016
- Molecular typing and genetic environment of the blaKPC gene in Chilean isolates of Klebsiella pneumoniae. JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE. 4:28-34. 2016
- Enterococcus spp. isolated from root canals with persistent chronic apical periodontitis in a Chilean population. BRAZILIAN JOURNAL OF ORAL SCIENCES. 14:240-245. 2015
- Ex vivo Effect of Copper Sulfate on Enterococcus faecalis in Root Canals. INTERNATIONAL JOURNAL OF ODONTOSTOMATOLOGY. 9(3):505-510. 2015
- Isolation of Staphylococcus aureus hetero-resistant to vancomycin (hVISA) in the Regional Hospital of Concepcion, Chile. REVISTA CHILENA DE INFECTOLOGIA. 32(5):588-590. 2015
- Pharmacokinetics/pharmacodinamic (PK/PD) evaluation of a short course of oral administration of metronidazole for the management of infections caused by Bacteroides fragilis. REVISTA CHILENA DE INFECTOLOGIA. 32(1):129-135. 2015
- Antibacterial activity of the Antarctic bacterium Janthinobacterium sp SMN 33.6 against multi-resistant Gram-negative bacteria. ELECTRONIC JOURNAL OF BIOTECHNOLOGY. 17(1):1-5. 2014
- Antimicrobial susceptibility in Chile 2012. REVISTA CHILENA DE INFECTOLOGIA. 31(2):123-130. 2014
- Main virulence factors of Listeria monocytogenes and its regulation. REVISTA CHILENA DE INFECTOLOGIA. 30(4):407-416. 2013
- Spreading of AbaR-type Genomic Islands in Multidrug Resistance Acinetobacter baumannii Strains Belonging to Different Clonal Complexes. CURRENT MICROBIOLOGY. 67(1):9-14. 2013
- Spreading of AbaR-type Genomic Islands in Multidrug Resistance Acinetobacter baumannii Strains Belonging to ifferent Clonal Complexes. CURRENT MICROBIOLOGY. 67:9-14. 2013
- The pneumococcal connection. REVISTA CHILENA DE INFECTOLOGIA. 30(1):74-79. 2013
- OXA-type carbapenemases in Acin etobacter baumannii in South America. JOURNAL OF INFECTION IN DEVELOPING COUNTRIES. 6(4):311-316. 2012
- Prevalencia del determinante de resistencia plasmídica a quinolonas aac(6')-lb-cr en cepas de Escherichia coli y Klebsiella pneumoniae productoras de BLEE aisladas en diez hospitales de Chile.. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA. 30:466-468. 2012
- Caracterización clínica y molecular de bacteriemias causadas por enterobacterias productoras de b-lactamasas de espectro extendido. 2004-2007. REVISTA CHILENA DE INFECTOLOGIA. 28(6):563-571. 2011
- Dissemination of Multiple Drug Resistance Genes by Class 1 Integrons in Klebsiella pneumoniae Isolates from Four Countries: a Comparative Study. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY. 55:3140-3149. 2011
- Detection of the floR Gene in a Diversity of Florfenicol Resistant Gram-Negative Bacilli from Freshwater Salmon Farms in Chile. ZOONOSES AND PUBLIC HEALTH. 57:181-188. 2010
- Susceptibilidad Antimicrobiana, Serotipos Capsulares y Relación Clonal entre Cepas Invasoras de Streptococcus pneumoniae Aisladas de Pacientes Adultos de la Región del Bío-Bío, Chile, Período 2005-2006. REVISTA CHILENA DE INFECTOLOGIA. 27(5):392-397. 2010
- Tn7::In2-8 dispersion in multidrug resistant isolates of Acinetobacter baumannii from Chile. REVISTA ARGENTINA DE MICROBIOLOGIA. 42(2):138-140. 2010
- Bombas de Expulsión Multidrogas en Acinetobacter baumannii y Resistencia a Antimicrobianos. REVISTA CHILENA DE INFECTOLOGIA. 26(9):499-503. 2009
- Extended-Spectrum Beta-Lactamases Belonging to CTX-M Group Produced by Eschericha coli Strains Isolated from Companion Animals Treated with Enrofloxacin. VETERINARY MICROBIOLOGY. 129:203-208. 2008
- Identificación Molecular de Enzimas Modificantes de Aminoglucósidos en Cepas de Enterococcus spp. Aisladas en Hospitales de la Octava Región de Chile. REVISTA MEDICA DE CHILE. 135:566-572. 2007
- Mutaciones en Genes gyrA y gyrB en Cepas de Bacilos Gram Negativos Aislados en Hospitales Chilenos y su Relación con la Resistencia a Fluoroquinolonas. REVISTA MEDICA DE CHILE. 35:1103-1110. 2007
- Producción de beta-Lactamasas de Espectro Extendido (BLEE) en Cepas de Acinetobacter baumannii Aisladas en Hospitales de la VIII Región, Chile. REVISTA CHILENA DE INFECTOLOGIA. 24(2):137-141. 2007
- Transferencia de beta-lactamasas de Espectro Extendido Desde Cepas Hospitalarias de Klebsiella pneumoniae a Otras Especies de Enterobacterias. REVISTA MEDICA DE CHILE. 134:415-420. 2006
- Beta-Lactamasas de Familias Diferentes a TEM y SHV en Cepas de Klebsiella pneumoniae Subespecie pneumoniae Aisladas en Hospitales Chilenos. REVISTA MEDICA DE CHILE. 133:737-739. 2005
- Aminoglicósidos-Aminociclitoles: Características Estructurales y Nuevos Aspectos Sobre su Resistencia. REVISTA CHILENA DE INFECTOLOGIA. 21(4):330-338. 2004
- Detection of Extended-Spectrum Beta-Lactamases Produced by Chilean Isolates of Klebsiella pneumoniae by Two Synergy Methods. JOURNAL OF CHEMOTHERAPY. 16(3):312-314. 2004
- Integrones y Cassettes Genéticos de Resitencia: Estructura y Rol Frente a los Antibacterianos. REVISTA MEDICA DE CHILE. 132:619-626. 2004
- Integrotes y Casetes Genéticos de Resistencia: Estructura y Rol Frente a los Antibacterianos. REVISTA MEDICA DE CHILE. 132:619-626. 2004
- Resistencia a Gentamicina, Amikacina y Ciprofloxacina en Cepas Hospitalarias de Klebsiella pneumoniae Subespecie Pneumoniae Productoras de b-Lactamasas de Espectro Extendido. REVISTA MEDICA DE CHILE. 132:1173-1178. 2004
- Resistencia a Gentamicina, Mikacina y Ciprofloxacina en Cepas Hospitalarias de Klensiella pneumoniae Productoras de B-Lactamasas de Espectro Extendido. REVISTA MEDICA DE CHILE. 132:1173-1178. 2004
- Integrones y cassettes genéticos de resistencia a antimicrobianos en cepas de Shigella flexneri. REVISTA MEDICA DE CHILE. 131:727-733. 2003
- Prevalence and Types of Class 1 Integron in Aminoglycoside-Resistant Enterobacteriaceae from Several Chilean Hospitals. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY. 51:317-321. 2003
- Metodología clásica y molecular en la identificación de especies de Enterococcus spp.. REVISTA MEDICA DE CHILE. 130:45-49. 2002
- Activity of Cefepime, Cefotaxime, Ceftazidime, and Aztreonam Against Extended-Spectrum-Producing Isolates of Klebsiella pneumoniae and Escherichia coli from Chilean Hospitals. DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE. 40:41-43. 2001
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libro
Contacto
nombre completo
- Helia Magaly Bello Toledo
correos electrónicos adicionales
- hbello@udec.cl
red de Coautor
Mapa de la ciencia