Listar por tema "bacterial strain"

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Anti-helicobacter pylori properties of the ant-venom peptide bicarinalin

Guzman, J.; Téné, N.; Touchard, A.; Castillo Pareja, Denis Helan; Belkhelfa, H.; Haddioui-Hbabi, L.; Treilhou, M.; Sauvain, Michel Henri Auguste (MDPI, 2018)

The venom peptide bicarinalin, previously isolated from the ant Tetramorium bicarinatum, is an antimicrobial agent with a broad spectrum of activity. In this study, we investigate the potential of bicarinalin as a novel ...
Caracterización genotípica por MLST de Ornithobacterium rhinotracheale procedentes de aves de corral en el Perú

Nalvarte, R.Y.C.; Sayan, A.M.; Rodríguez Bailon, Jorge; Yanagui, Y.K. (Facultad de Medicina Veterinaria. Universidad Nacional Mayor de San Marcos, 2021)

The aim of this study was the genotyping of Ornithobacterium rhinotracheale. For this, 36 strains were identified by molecular testing and genotyping was performed by Multilocus Sequence Typing (MLST). The tests identified ...
A community randomised controlled trial evaluating a home-based environmental intervention package of improved stoves, solar water disinfection and kitchen sinks in rural Peru: Rationale, trial design and baseline findings

Hartinger Peña, Stella Maria; Lanata, C.F.; Hattendorf, J.; Gil, A.I.; Verástegui Huasasquiche, Héctor Alfredo; Ochoa Woodell, Theresa Jean; Mäusezahl, D. (Elsevier, 2011)

Introduction: Pneumonia and diarrhoea are leading causes of death in children. There is a need to develop effective interventions. Objective: We present the design and baseline findings of a community-randomised controlled ...
Complete genome sequence of bartonella bacilliformis strain KC584 (ATCC 35686)

Dichter, Alexander A.; Schultze, Tilman G.; Becker, Sabrina A.; Tsukayama Cisneros, Pablo; Kempf, Volkhard A. J. (American Society for Microbiology, 2020)

Bartonella bacilliformis is the biological agent of Carrion's disease, a vector-borne, life-threatening human bartonellosis restricted to South America. Here, we report the complete genome sequence of B. bacilliformis KC584 ...
Description of Bartonella ancashensis sp. nov., isolated from the blood of two patients with verruga peruana

Mullins, K.E.; Hang, J.; Jiang, J.; Leguia, M.; Kasper, M.R.; Ventosilla, P.; Maguiña Vargas, Ciro; Jarman, R.G.; Blazes, D.; Richards, A.L. (Microbiology Society, 2015)

Three novel isolates of the genus Bartonella were recovered from the blood of two patients enrolled in a clinical trial for the treatment of chronic stage Bartonella bacilliformis infection (verruga peruana) in Caraz, ...
Detection of human leptospirosis as a cause of acute fever by capture ELISA using a Leptospira interrogans serovar Copenhageni (M20) derived antigen

Canal, Enrique; Pollett, Simon; Heitzinger, Kristen; Gregory, Michael; Kasper, Matthew; Halsey, Eric; Meza, Yocelinda; Campos, Kalina; Perez, Juan; Meza, Rina; Bernal, Maruja; Guillen, Alfredo; Kochel, Tadeusz J.; Espinosa, Benjamin; Hall, Eric R.; Maves, Ryan C. (BioMed Central, 2013)

Background: Leptospirosis is a potentially lethal zoonosis mainly affecting low-resource tropical countries, including Peru and its neighbouring countries. Timely diagnosis of leptospirosis is critical but may be challenging ...
Dihydro-β-agarofuran sesquiterpenes isolated from Celastrus vulcanicola as potential anti-Mycobacterium tuberculosis multidrug-resistant agents

Torres-Romero, D.; Jiménez, I.A.; Rojas, R.; Gilman, Robert Hugh; López, M.; Bazzocchi, I.L. (Elsevier, 2011)

In the present study, we report four new dihydro-β-agarofuran sesquiterpenes (1-4), which were isolated from the leaves of Celastrus vulcanicola, in addition to five derivatives (5-9). Their stereostructures were elucidated ...
Drug susceptibility testing and mortality in patients treated for tuberculosis in high-burden countries: a multicentre cohort study

Zürcher, K.; Ballif, M.; Fenner, L.; Borrell, S.; Keller, P.M.; Gnokoro, J.; Marcy, O.; Yotebieng, M.; Diero, L.; Carter, E.J.; Rockwood, N.; Wilkinson, R.J.; Cox, H.; Ezati, N.; Abimiku, A.G.; Collantes, J.; Avihingsanon, A.; Kawkitinarong, K.; Reinhard, M.; Hömke, R.; Huebner, R.; Gagneux, S.; Böttger, E.C.; Egger, M.; Chammartin, F.; Boettger, E.C.; Keller, P.; Abimiku, A.; Wenzi, L.; Tabala, M.; Warren, R.; Streicher, E.; Wilkinson, R.J.; Carter, E.J.; Zamudio Fuertes, Carlos Eduardo; Sohn, A.; Petersen, T.; Kasipong, N.; N'Guessan, K.; International epidemiology Databases to Evaluate AIDS (Elsevier, 2019)

Background: Drug resistance is a challenge for the global control of tuberculosis. We examined mortality in patients with tuberculosis from high-burden countries, according to concordance or discordance of results from ...
Expression of sialic acids and other nonulosonic acids in Leptospira

Ricaldi, J.N.; Matthias, M.A.; Vinetz, Joseph Michael; Lewis, A.L. (BioMed Central, 2012)

Background: Sialic acids are negatively charged nine carbon backbone sugars expressed on mammalian cell surfaces. Sialic acids are part of a larger family of nonulosonic acid (NulO) molecules that includes pseudaminic and ...
Frecuencia y patotipos de Escherichia coli diarrogénicas en niños peruanos con y sin diarrea

Ochoa Woodell, Theresa Jean; Mercado, E.H.; Durand Vara, David Percy; Rivera, F.P.; Mosquito, S.; Contreras, C.; Riveros Ramirez, Maribel Denise; Lluque, A.; Barletta, F.; Prada, A.; Ruiz, Joaquim (Instituto Nacional de Salud, 2011)

Introduction. Diarrheagenic E. coli (DEC) are a major cause of diarrhea in children in developing countries. However, they are not part of routine diagnosis in clinical laboratories. Objectives. To determine the DEC ...
Genetic Diversity and Transmission Characteristics of Beijing Family Strains of Mycobacterium tuberculosis in Peru

Iwamoto, T.; Grandjean, Louis; Arikawa, K.; Nakanishi, N.; Caviedes, L.; Coronel, J.; Sheen Cortavarria, Patricia; Wada, T.; Taype, C.A.; Shaw, M.-A.; Moore, David Alexander James; Gilman, Robert Hugh (Public Library of Science, 2012)

Beijing family strains of Mycobacterium tuberculosis have attracted worldwide attention because of their wide geographical distribution and global emergence. Peru, which has a historical relationship with East Asia, is ...
Genomic Islands in the full-genome sequence of an NAD-hemin-independent Avibacterium paragallinarum strain isolated from Peru

Tataje-Lavanda, Luis; Montalvan, Angela; Montesinos, Ricardo; Morales-Erasto, Vladimir; Zimic-Peralta, Mirko Juan; Fernandez-Sanchez, Manolo; Fernandez-Diaz, Manolo (American Society for Microbiology, 2019)

Here, we report the full-genome sequence of an NAD-hemin-independent Avibacterium paragallinarum serovar C-2 strain, FARPER-174, isolated from layer hens in Peru. This genome contained 12 potential genomic islands that ...
Identification of proteins associated with the formation of oral biofilms

Millones-Gómez, P.A.; Amaranto, R.E.B.; Torres, D.J.M.; Calla-Poma, R.D.; Requena-Mendizabal, M.F.; Alvino-Vales, M.I.; Calla-Poma, R. (Association of Support to Oral Health Research, 2021)

Objective: To identify proteins associated with the formation of Streptococcus gordonii and Fusobacterium nucleatum biofilms. Material and Methods: Biofilms composed of two bacterial species, S. gordonii and F. nucleatum, ...
Multi-locus sequence analysis reveals profound genetic diversity among isolates of the human pathogen bartonella bacilliformis

Chaloner, G.L.; Ventosilla, P.; Birtles, R.J. (Public Library of Science, 2011)

Bartonella bacilliformis is the aetiological agent of human bartonellosis, a potentially life threatening infection of significant public health concern in the Andean region of South America. Human bartonellosis has long ...
Nested case-control study of the emergence of tigecycline resistance in multidrug-resistant Klebsiella pneumoniae

Nigo, Masayuki; Cevallos, Catalina Salinas; Woods, Krystina; Flores, Vicente Maco; Francis, Gweneth; Perlman, David C.; Revuelta, Manuel; Mildvan, Donna; Waldron, Mary; Gomez, Tessa; Koshy, Sanjana; Jodlowski, Tomasz; Riley, William; Ruhe, Jorg J. (American Society for Microbiology, 2013)

We performed a nested case-control study (ratio of 1:4) on the emergence of tigecycline-resistant multidrug-resistant Klebsiella pneumoniae (TR-MDRKP) isolates among patients who initially presented with a tigecycline-susceptible ...
Niveles de resistencia a quinolonas y otros antimicrobianos en cepas de Escherichia coli comensales en niños de la zona periurbana de Lima, Perú

Ruiz, Joaquim; Pons, M.J.; Mosquito, S.; Ochoa Woodell, Theresa Jean; Vargas, M.; Molina, M.; Lluque, A.; Gil, A.I.; Ecker, L.; Barletta, F.; Lanata, C.F.; del Valle, L.J. (Instituto Nacional de Salud, 2012)

The main aim of this study was to establish the resistance levels to antimicrobial agents, in 222 non-pathogenic E. Coli strains of fecal origin in Peru. The proportion of resistance found to the evaluated antimicrobials ...
Non-pathogenic Borrelia burgdorferi expressing Treponema pallidum TprK and Tp0435 antigens as a novel approach to evaluate syphilis vaccine candidates

Parveen, N.; Fernandez, M.C.; Haynes, A.M.; Zhang, R.-L.; Godornes, B.C.; Centurion-Lara, A.; Giacani, L. (Elsevier, 2019)

Background: Syphilis is resurgent in many developed countries and still prevalent in developing nations. Current and future control campaigns would benefit from the development of a vaccine, but although promising vaccine ...
Pathogenic Acinetobacter species including the novel Acinetobacter dijkshoorniae recovered from market meat in Peru

Marí-Almirall, M.; Cosgaya, C.; Pons, M.J.; Nemec, A.; Ochoa Woodell, Theresa Jean; Ruiz, Joaquim; Roca, I.; Vila, J. (Elsevier, 2019)

Species of the Acinetobacter calcoaceticus-Acinetobacter baumannii complex are important human pathogens which can be recovered from animals and food, potential sources for their dissemination. The aim of the present study ...
Patrones de adherencia de cepas de Escherichia coli Difusamente adherente (DAEC) provenientes de niños con y sin diarrea

Riveros Ramirez, Maribel Denise; Barletta, F.; Cabello Vílchez, Alfonso Martín; Durand Vara, David Percy; Mercado, E.H.; Contreras, C.; Rivera, F.P.; Mosquito, S.; Lluque, A.; Ochoa Woodell, Theresa Jean (Instituto Nacional de Salud, 2011)

Introduction. Diffusely adherent E. coli (DAEC) is the sixth recognized group of diarrheagenic E. coli. However, its association with diarrhea remains controversial. Variability in the adherence patterns of clinical strains ...
Resistant Gram-negative infections in the outpatient setting in Latin America

Salles, M.J.C.; Zurita, J.; Mejía, C.; Villegas, M.V.; Alvarez, C.; Bavestrello, L.; Berezin, E.; Gotuzzo Herencia, José Eduardo; Guzmán-Blanco, M.; Labarca, J.A.; Luna, C.M.; Nouer, S.; Rodríguez-Noriega, E.; Seas Ramos, Carlos Rafael (Cambridge University Press, 2013)

Latin America has a high rate of community-associated infections caused by multidrug-resistant Enterobacteriaceae relative to other world regions. A review of the literature over the last 10 years indicates that urinary ...