Listar por tema "Genotype"

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  • The Association between Mycobacterium Tuberculosis Genotype and Drug Resistance in Peru 
    Grandjean, Louis; Iwamoto, Tomotada; Lithgow, Anna; Gilman, Robert Hugh; Arikawa, Kentaro; Nakanishi, Noriko; Martin, Laura; Castillo, Edith; Alarcon, Valentina; Coronel, Jorge; Solano, Walter; Aminian, Minoo; Guezala, Claudia; Rastogi, Nalin; Couvin, David; Sheen Cortavarria, Patricia; Zimic-Peralta, Mirko Juan; Moore, David Alexander James (Public Library of Science, 2015)
    BACKGROUND: The comparison of Mycobacterium tuberculosis bacterial genotypes with phenotypic, demographic, geospatial and clinical data improves our understanding of how strain lineage influences the development of ...
  • Burden of Norovirus and Rotavirus in Children After Rotavirus Vaccine Introduction, Cochabamba, Bolivia 
    McAtee, Casey L.; Webman, Rachel; Gilman, Robert Hugh; Mejia, Carolina; Bern, Caryn; Apaza, Sonia; Espetia, Susan; Pajuelo Travezaño, Monica Jhenny; Saito, Mayuko; Challappa, Roxanna; Soria, Richard; Ribera, Jose P.; Lozano, Daniel; Torrico, Faustino (American Society of Tropical Medicine and Hygiene, 2016)
    The effectiveness of rotavirus vaccine in the field may set the stage for a changing landscape of diarrheal illness affecting children worldwide. Norovirus and rotavirus are the two major viral enteropathogens of childhood. ...
  • Canine echinococcosis: genetic diversity of Echinococcus granulosus sensu stricto (ss) from definitive hosts 
    Boufana, B.; Lett, W.; Lahmar, S.; Griffiths, A.; Jenkins, D. J.; Buishi, I.; Engliez, S. A.; Alrefadi, M. A.; Eljaki, A. A.; Elmestiri, F. M.; Reyes, M. M.; Pointing, S.; Al-Hindi, A.; Torgerson, P. R.; Okamoto, M.; Craig, P. S. (Cambridge University Press, 2015)
    Canids, particularly dogs, constitute the major source of cystic echinococcosis (CE) infection to humans, with the majority of cases being caused by Echinococcus granulosus (G1 genotype). Canine echinococcosis is an ...
  • 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 ...
  • 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, ...
  • Detecting Mutations in the Mycobacterium tuberculosis Pyrazinamidase Gene pncA to Improve Infection Control and Decrease Drug Resistance Rates in Human Immunodeficiency Virus Coinfection 
    Dudley, Matthew Z.; Sheen Cortavarria, Patricia; Gilman, Robert Hugh; Ticona, Eduardo; Friedland, Jon S.; Kirwan, Daniela E.; Caviedes, Luz; Rodriguez, Richard; Cabrera, Lilia Z.; Coronel, Jorge; Grandjean, Louis; Moore, David Alexander James; Evans, Carlton Anthony William; Huaroto, Luz; Chavez-Perez, Victor; Zimic-Peralta, Mirko Juan (American Society of Tropical Medicine and Hygiene, 2016)
    Hospital infection control measures are crucial to tuberculosis (TB) control strategies within settings caring for human immunodeficiency virus (HIV)–positive patients, as these patients are at heightened risk of developing ...
  • dfrA thyA Double Deletion in para-Aminosalicylic Acid-Resistant Mycobacterium tuberculosis Beijing Strains 
    Moradigaravand, Danesh; Grandjean, Louis; Martinez, Elena; Li, Hao; Zheng, Jun; Coronel, Jorge; Moore, David Alexander James; Torok, M. Estee; Sintchenko, Vitali; Huang, Hairong; Javid, Babak; Parkhill, Julian; Peacock, Sharon-J.; Koser, Claudio-U. (American Society for Microbiology, 2016)
    Para-Aminosalicylic acid (PAS) is a group 4 antituberculosis agent. It targets folate metabolism as shown in Fig. S1 in the supplemental material, which also summarizes the known mechanisms of resistance to this prodrug. ...
  • Dispersal patterns of Trypanosoma cruzi in Arequipa, Peru 
    Berry, Alexander S. F.; Salazar Sánchez, Renzo Sadath; Castillo Neyra, Ricardo; Borrini-Mayorí, Katty; Arevalo Nieto, Claudia Rebeca; Chipana-Ramos, Claudia; Vargas-Maquera, Melina; Ancca-Juarez, Jenny; Naquira Velarde, Cesar Gabriel; Levy, Michael Z.; Brisson, Dustin (Public Library of Science, 2020)
    Anthropogenic environmental alterations such as urbanization can threaten native populations as well as create novel environments that allow human pests and pathogens to thrive. As the number and size of urban environments ...
  • Echinococcus granulosus sensu stricto and E. canadensis are distributed in livestock of highly endemic area in the Peruvian highlands. 
    Sanchez, Leny; Mayta, Holger; Jara Salazar, Luis Miguel; Verastegui Pimentel, Manuela Renee; Gilman, Robert Hugh; Gómez-Puerta, Luis A.; Gavidia, Cesar M. (Elsevier, 2022)
    The prevalence of cystic echinococcosis is high in many livestock areas of Peru, where intermediate hosts such as sheep, cattle, and South American camelids can be infected. Several species of E. granulosus have been ...
  • Epidemiology and Genetic Characterization of Noroviruses among Adults in an Endemic Setting, Peruvian Amazon Basin, 2004-2011 
    Ballard, Sarah-Blythe; Reaves, Erik J.; Luna, C. Giannina; Silva, Maria E.; Rocha, Claudio; Heitzinger, Kristen; Saito, Mayuko; Apaza, Sonia; Espetia, Susan; Blazes, David L.; Tilley, Drake H.; Guzman Aguilar, Rene C.; Gilman, Robert Hugh; Bausch, Daniel G. (Public Library of Science, 2015)
    BACKGROUND: Successful vaccination strategies against norovirus will require understanding the burden of disease and relevant genotypes in populations. However, few data are available from cohort studies of adults living ...
  • Estimation of the Antirelapse Efficacy of Tafenoquine, Using Plasmodium vivax Genotyping 
    Beck, Hans-Peter; Wampfler, Rahel; Carter, Nick; Koh, Gavin; Osorio, Lyda; Rueangweerayut, Ronnatrai; Krudsood, Srivcha; Lacerda, Marcus V.; Llanos Cuentas, Elmer Alejandro; Duparc, Stephan; Rubio, Justin P.; Green, Justin A. (Oxford University Press, 2015)
    UNLABELLED: Prevention of relapse of Plasmodium vivax infection is a key treatment goal in malaria. Use of P. vivax genotyping in a multicenter, double-blind, randomized, placebo-controlled phase 2b study in Peru, India, ...
  • Etiological Role and Repeated Infections of Sapovirus among Children Aged Less than 2 Years in a Cohort Study in a Peri-urban Community of Peru 
    Liu, Xiaofang; Jahuira, Helena; Gilman, Robert Hugh; Alva, Alicia; Cabrera, Lilia; Okamoto, Michiko; Xu, Hang; Windle, Henry J.; Kelleher, Dermot; Varela, Marco; Verastegui Pimentel, Manuela Renee; Calderón Sánchez, Maritza Mercedes; Sanchez, Gerardo; Sarabia, Vanessa; Ballard, Sarah B.; Bern, Caryn; Mayta, Holger; Crabtree, Jean E.; Cama, Vitaliano; Saito, Mayuko; Oshitani, Hitoshi (American Society for Microbiology, 2016)
    Human sapovirus has been shown to be one of the most important etiologies in pediatric patients with acute diarrhea. However, very limited data are available about the causative roles and epidemiology of sapovirus in ...
  • Evolution of the Leishmania braziliensis species complex from amplified fragment length polymorphisms, and clinical implications 
    Odiwuor, S.; Veland, N.; Maes, I.; Arévalo Zelada, Jorge Luis; Dujardin, J.-C.; Van der Auwera, G. (Elsevier, 2012)
    In order to get more insight into its evolution and geographical distribution, we investigated the Leishmania (Viannia) braziliensis species complex using amplified fragment length polymorphisms and sequencing of a heat-shock ...
  • Evolutionary history and global spread of the Mycobacterium tuberculosis Beijing lineage 
    Merker, Matthias; Blin, Camille; Mona, Stefano; Duforet-Frebourg, Nicolas; Lecher, Sophie; Willery, Eve; Blum, Michael G. B.; Rusch-Gerdes, Sabine; Mokrousov, Igor; Aleksic, Eman; Allix-Beguec, Caroline; Antierens, Annick; Augustynowicz-Kopec, Ewa; Ballif, Marie; Barletta, Francesca; Beck, Hans Peter; Barry, Clifton E. 3rd; Bonnet, Maryline; Borroni, Emanuele; Campos-Herrero, Isolina; Cirillo, Daniela; Cox, Helen; Crowe, Suzanne; Crudu, Valeriu; Diel, Roland; Drobniewski, Francis; Fauville-Dufaux, Maryse; Gagneux, Sebastien; Ghebremichael, Solomon; Hanekom, Madeleine; Hoffner, Sven; Jiao, Wei-wei; Kalon, Stobdan; Kohl, Thomas A.; Kontsevaya, Irina; Lillebaek, Troels; Maeda, Shinji; Nikolayevskyy, Vladyslav; Rasmussen, Michael; Rastogi, Nalin; Samper, Sofia; Sanchez-Padilla, Elisabeth; Savic, Branislava; Shamputa, Isdore Chola; Shen, Adong; Sng, Li-Hwei; Stakenas, Petras; Toit, Kadri; Varaine, Francis; Vukovic, Dragana; Wahl, Celine; Warren, Robin; Supply, Philip; Niemann, Stefan; Wirth, Thierry (Springer Nature, 2015)
    Mycobacterium tuberculosis strains of the Beijing lineage are globally distributed and are associated with the massive spread of multidrug-resistant (MDR) tuberculosis in Eurasia. Here we reconstructed the biogeographical ...
  • The FAS-670 AA genotype is associated with high proviral load in peruvian HAM/TSP patients 
    Rosado, Jason; Morales, Sandra; Lopez, Giovanni; Clark, Daniel; Verdonck, Kristien; Gotuzzo Herencia, José Eduardo; Van Camp, Guy; Talledo Albujar, Michael John (Wiley, 2016)
    Human T‐lymphotropic virus 1 (HTLV‐1) is the etiologic agent of the HTLV‐1‐associated myelopathy/tropical spastic paraparesis (HAM/TSP). Apoptosis is a mechanism of defense elicited by many triggers, including cross‐linking ...
  • 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 ...
  • Genetic diversity of locus of enterocyte effacement genes of enteropathogenic Escherichia coli isolated from Peruvian children 
    Contreras, C.A.; Ochoa Woodell, Theresa Jean; Ruiz, J.; Lacher, D.W.; Durand Vara, David Percy; Debroy, C.; Lanata, C.F.; Cleary, T.G. (Microbiology Society, 2012)
    The aim of this study was to determine the frequency and allele associations of locus of enterocyte effacement encoded esp and tir genes among 181 enteropathogenic Escherichia coli (EPEC) strains (90 diarrhoea-associated ...
  • Genetic diversity of Nyssorhynchus (Anopheles) darlingi related to biting behavior in western Amazon 
    Campos, M.; Alonso, D.P.; Conn, J.E.; Vinetz, Joseph Michael; Emerson, K.J.; Ribolla, P.E.M. (BioMed Central, 2019)
    BACKGROUND: In the Amazon Basin, Nyssorhynchus (Anopheles) darlingi is the most aggressive and effective malaria vector. In endemic areas, behavioral aspects of anopheline vectors such as host preference, biting time and ...
  • Genetic diversity, population structure and drug resistance of Mycobacterium tuberculosis in Peru 
    Taype, C.A.; Agapito, J.C.; Accinelli Tanaka, Roberto Alfonso; Espinoza, J.R.; Godreuil, S.; Goodman, S.J.; Bañuls, A.L.; Shaw, M.A. (Elsevier, 2012)
    This paper presents the first evaluation of the molecular epidemiology of . Mycobacterium tuberculosis in Peru. We characterised 323 isolates using spoligotyping and mycobacterial interspersed repetitive units variable ...
  • Genetic variability of Mycobacterium tuberculosis complex in patients with no known risk factors for MDR-TB in the North-eastern part of Lima, Peru 
    Barletta, Francesca; Otero Vegas, Larissa; Collantes, Jimena; Asto, Belisa; de Jong, Bouke C.; Seas Ramos, Carlos Rafael; Rigouts, Leen (BioMed Central, 2013)
    Background: The aim of this study was to investigate the genetic diversity among Mycobacterium tuberculosis complex circulating in patients with no known risk factors for multi-drug resistant (MDR) tuberculosis (TB) living ...

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