Ribeiro Research Group

Role of vector saliva in blood feeding by arthropods, in particular determining the structure-function relationships of their components.

José Ribeiro, M.D., Ph.D.

Chief, Vector Biology Section

Contact: For contact information, search the NIH Enterprise Directory.

Education:

M.D., State University of Rio de Janeiro

Ph.D., Federal University of Rio de Janeiro

Languages Spoken: Portuguese

Dr. Ribeiro received his M.D. from the State University of Rio de Janeiro and a Ph.D. from the Biophysics Institute of the Federal University of Rio de Janeiro. He was an assistant and associate professor at the Harvard School of Public Health and professor at the department of entomology in the University of Arizona before joining NIAID in 1996.

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José Ribeiro, M.D., Ph.D.

Patricia Hessab Alvarenga, Ph.D.

Staff Scientist

Contact: For contact information, search the NIH Enterprise Directory.

Education:

Ph.D., Biological Chemistry, Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil 

M.Sc., Biological Chemistry, Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil 

B.Sc., Biological Sciences (Genetics), Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil 

Languages Spoken: Portuguese

Dr. Alvarenga has been studying vector biochemistry and physiology for more than 15 years. Lately, she has been involved in the functional and structural characterization of proteins with relevance to vector biology, including protein families present in the saliva of different disease vectors.

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John Andersen, Ph.D.

Senior Associate Scientist

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Education:

Ph.D., University of Wisconsin

Dr. Andersen studies the biochemistry and structure of proteins from disease vectors and pathogenic microorganisms to understand their roles in vector feeding and disease transmission.

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Pedro Amado Cecilio, Ph.D.

Postdoctoral Visiting Fellow

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Education:

Ph.D., Pharmaceutical Sciences (Microbiology Specialty), Pharmacy Faculty, University of Porto, Porto, Portugal 

Integrated Master, Pharmaceutical Sciences, Pharmacy Faculty, University of Porto, Porto, Portugal 

Languages Spoken: Portuguese, Spanish, French

Dr. Cecilio is particularly interested in vector-pathogen-host interactions and their implications for human disease.

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Melina Garcia Guizzo, Ph.D.

Postdoctoral Visiting Fellow

Contact: For contact information, search the NIH Enterprise Directory.

Education:

Ph.D., Biological Chemistry, Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil 

M.Sc., Biological Chemistry, Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil 

B.Sc., Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil 

Languages Spoken: Portuguese

Dr. Guizzo has been studying tick-microbial relationships, especially focused on tick-endosymbiont-pathogen interactions in several species of economic/public health concern.

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Stephen Lu, Ph.D.

Research Fellow

Contact: For contact information, search the NIH Enterprise Directory.

Education:

Ph.D., Biochemistry and Molecular Biology, Federal University of São Paulo, Brazil
M.Sc., Biochemistry and Molecular Biology, Federal University of São Paulo, Brazil
B.Sc., Biomedical Sciences, Federal University of São Paulo, Brazil

Languages Spoken: Portuguese

Dr. Lu was born and raised in São Paulo, Brazil. He earned his Ph.D. in biochemistry and molecular biology from the Federal University of São Paulo in 2019. Following his doctoral studies, he completed postdoctoral training in the Vector Biology Section at NIAID/NIH from 2019 to 2024. Dr. Lu’s research focuses on elucidating the roles of various proteins from hematophagous vectors, particularly in...

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Stephen Lu, Ph.D. Headshot

Van Pham

Biological Research Technician

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Languages Spoken: Vietnamese

Ms. Pham provides technical support across many areas for the laboratory.

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Former Research Group Members

1996-2002, Research Fellow, Jesus Valenzuela, Ph.D., Tenure track investigator, NIAID

1998-2002, Staff Scientist, Yasmine Belkaid, Ph.D., Cincinnati Children's Hospital Research Foundation

1999-2002, Research Fellow, Nanda Guderra, Ph.D, NIAID, Occupational Health Branch

2004-2008, Research Fellow, Ben Mans, Ph.D., Specialist Research Scientist, Agricultural Research Council, Ondertepoort Research Station, South Africa

2003-2008, Research Fellow, Eric Calvo, Ph.D., Staff Scientist, Food and Drug Administration

2005-2009, Research Fellow, Anderson de Sá Nunes, Ph.D.,  Assistant Professor, State University of São Paulo, Brazil

2003-2004, PostbaccalaureateTraining, Ana Veiga, Associate Professor, Universidade Federal de Ciencias da Saude, Porto Alegre, Brazil

2005-2009, Research Fellow, Michalis Kotsyfakis, Ph.D., Principal Investigator, Biology Center, National Academy of Sciences, Budweis, Czech Republic

2008-2010, Research Fellow, Patricia H. Alvarenga, Ph.D., Associate Professor, Department of Medical Biochemistry, Federal University of Rio de Janeiro

2007-2010, Research Fellow, Nicholas Manoukis, Ph.D., Research Biologist, USDA-ARS, U.S. Pacific Basin, Agricultural Research Center, Hilo, Hawaii

2008-2012, Research Fellow, Xu Xueqing, Ph.D. , Research Scientist, Southern Medical University, Guangzhou, China

2009-2009, Research Fellow, Carlo Oliveira, D.V.D., Associate Professor, Department of Parasitology, Federal University of Triangulo Mineiro, Brazil

2002-2016, Staff Scientist, Ivo Francischetti, M.D., Ph.D., Assistant Professor of Pathology, Johns Hopkins University School of Medicine.

2009-2013, Research Fellow, Tereza de Assumpção, Ph.D., Research Fellow, University of Maryland

2010-2015, Research Fellow, Andrezza Campos-Chagas, Ph.D. , Senior Scientist at Walter Reed Army Institute of Research

2010-2015, Research Fellow, Dongying Ma, Ph.D., Research Fellow, Sickle Cell Branch, NHLBI

2013-2015, Research Fellow, Willy Jablonka, Ph.D., Visiting Professor, Universidade Federal do Rio de Janeiro

2009-2018, Staff Scientist, Eric Calvo, Ph.D., Tenure-track Scientist, LMVR

2016-2016, PostbaccalaureateTraining, Ethan Strayer, Graduate Student, Yale University

2013-2018, Research Fellow, Julio Castillo Cabrera, Ph.D., Senior Investigator, Instituto de Investigaciones, Panama

2018-2020, Research Fellow, Lucas Tirloni, Tenure-track Scientist, National Institutes of Health, Rocky Mountain Laboratory

2017-2017, Summer student, Thulasi Kulasinghe, Post-Bac, National Institutes of Health (NCI), Rockville, MD

2017-2017, Summer student, Saiprasad Ravi, Post-Bac, National Institutes of Health, Rockville, MD

2016-2017, PostbaccalaureateTraining, Nina Picher Allan, Graduate Student, University of Hawaii at Manoa

2017-2019, Research Fellow, Frank Criscione, Ph.D., Life Science Market Analyst, Bioinformatics Inc.

2016-2019, Research Fellow, IL Hwan Kim, Ph.D., Senior Research Scientist, National Research Foundation of Korea

2015-2019, Research Fellow, Ines Martin Martin, Ph.D., Research fellow with Dr. Eric Calvo, LMVR

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