Andrés Valderrama, PhD
Postdoctoral Fellow


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Andrés Valderrama
Andrés was born in Bogotá, Colombia, where he received his B.S. in Microbiology from the Pontificia University Javeriana. After graduation Andrés moved to Spain, where he entered the Ph.D. Program in Molecular Biology & Biochemistry at the University Complutense of Madrid.  There he conducted research in the Environmental Microbiology laboratory directed by Prof. Eduardo Díaz at the Biological Research Center which belongs to the Spanish National Research Council (CSIC) in Madrid. Andrés Ph.D. work represented a multifaceted approach to understanding the different molecular mechanisms and  complex regulatory network controlling the expression of catabolic genes and signaling in bacteria. During his graduate work Andrés was supported by a pre-doctoral fellowship from the Ministry of Education and Science of Spain.

In the Nizet Lab, Andrés is exploring the interplay between the virulence determinants of the human pathogen group A Streptococcus  and the response of the innate immune system.  These include studies of the role of M protein in inflammasome activation in collaboration with Prof. Partho Ghosh at UCSD, and examination of the role of the group A carbohydrate antigen in immunogenicity and pathogenesis.