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Marjorie Jessica Pizarro Guajardo

Asistente de Investigacion

Universidad Andrés Bello

Santiago, Chile

Mi campo de investigación actualmente es la biología de la espora de Clostridium difficile. Durante los últimos 6 años he estado investigando la biología de las esporas y mediante qué mecanismos ésta se adhiere al hospedero.

Ingerniera en biotecnologia molecular, UNIVERSIDAD DE CHILE. Chile, 2012
Spore Biology, Universidad Andrés Bello. Chile, 2018

Research Assistant Full Time

Universidad Andrés Bello

Ciencias Biológicas

Santiago, Chile

2011 - 2013
Investigador Principal Fondef CA13/10077 Part Time

Universidad Andrés Bello

Ciencias Biológicas

Santiago, Chile

2014 - 2015

Asistente Investigacion Full Time

Universidad Andrés Bello

Santiago, Chile

2011 - 2013
Investigador Principal Part Time

Universidad Andrés Bello

Santiago, Chile

2014 - 2015

Como Asistente de Investigación e Investigador principal, he participado en la instrucción de estudiantes de pregrado y magister en técnicas de biología molecular y microbiología


Identification of Clostridium difficile Immunoreactive Spore Proteins of the Epidemic Strain R20291 Pizarro-Guajardo, Marjorie; Ravanal, María Cristina; Paez, Maria Daniela; Callegari, Eduardo; Paredes-Sabja, Daniel Article ISI SCOPUS PROTEOMICS CLINICAL APPLICATIONS (2018)
Characterization of Chicken IgY Specific to Clostridium difficile R20291 Spores and the Effect of Oral Administration in Mouse Models of Initiation and Recurrent Disease Pizarro-Guajardo M.; Díaz-González F.; Álvarez-Lobos M.; Paredes-Sabja D. Article ISI SCOPUS FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY (2017)
Effect of microalgae on intestinal inflammation triggered by soybean meal and bacterial infection in zebrafish Bravo-Tello, K; Ehrenfeld, N; Solis, CJ; Ulloa, PE; Hedrera, M; Pizarro-Guajardo, M; Paredes-Sabja, D; Feijoo, CG Article ISI SCOPUS PLOS ONE (2017)
Updates on Clostridium difficile spore biology Gil, Fernando; Lagos-Moraga, Sebastián; Calderón-Romero, Paulina; Pizarro-Guajardo, Marjorie; Paredes-Sabja, Daniel Article ISI SCOPUS ANAEROBE (2017)
Ultrastructural variability of the exosporium layer of Clostridium difficile spores Pizarro-Guajardo, M; Calderón-Romero P.; Castro-Córdova P; Mora-Uribe, P; Paredes-Sabja D. Article ISI SCOPUS Applied and Environmental Microbiology (2016)
Ultrastructure Variability of the Exosporium Layer of Clostridium difficile Spores from Sporulating Cultures and Biofilms Pizarro-Guajardo, Marjorie; Calderón-Romero, Paulina; Paredes-Sabja, Daniel Article ISI SCOPUS APPLIED AND ENVIRONMENTAL MICROBIOLOGY (2016)
Characterization of the collagen-like exosporium protein, BclA1, of Clostridium difficile spores Pizarro-Guajardo, M; Olguin-Araneda, V; Barra-Carrasco, J; Brito-Silva, C; Sarker, MR; Paredes Sabja D Article ISI SCOPUS ANAEROBE (2014)
The Clostridium difficile Exosporium Cysteine (CdeC)-Rich Protein Is Required for Exosporium Morphogenesis and Coat Assembly Barra-Carrasco, J; Olguin-Araneda, V; Plaza-Garrido, A; Miranda-Cardenas, C; Cofre-Araneda, G; Pizarro-Guajardo, M; Sarker, MR; Paredes Sabja D Article ISI SCOPUS Journal of Bacteriology (2013)
Clostridium difficile Spore-Macrophage Interactions: Spore Survival Paredes Sabja D; Cofre-Araneda, G; Brito-Silva, C; Pizarro-Guajardo, M; Sarker M.R. Article ISI SCOPUS PLOS ONE (2012)


Removal of Clostridium difficile spores with anti-spore chicken antibodies prevents disease initiation and recurrence in a mouse model. Pizarro-Guajardo, Marjorie; Diaz-Gonzalez, Fernando; Paredes-Sabja, Daniel ConferencePoster (2017)
The collagen-like protein BclA3 in Clostridium difficile spores influence the adherence to epithelial Caco-2 cells Pizarro-Guajardo, Marjorie; Brito-Silva, Christian; Kuehne, Sarah; Minton, Nigel; Paredes-Sabja, Daniel ConferencePoster (2016)
Ultrastructural variability of the outermost exosporium-like layer of Clostridium difficile spores Pizarro-Guajardo, Marjorie; Calderón-Romero, Paulina; Mora-Uribe, Paola; Paredes-Sabja, Daniel ConferencePoster (2015)


Epidemic Clostridium difficile Ribotype 027 in Chile Hernandez-Rocha, C; Barra-Carrasco, J; Pizarro-Guajardo, M; Ibáñez P.; Bueno, S. M.; Sarker M.R.; Guzmán A.M.; Alvarez-Lobos, M; Paredes Sabja D Letter ISI SCOPUS Emerging Infectious Diseases (2012)


Clostridium difficile recurrent infection: possible implication of TA systems Gil, F; Pizarro-Guajardo, M; Alvarez R.; Garavaglia M.; Paredes Sabja D Review ISI SCOPUS Future Microbiology (2015)