PeerJ Author 235 Points Contributions by role Author 235 Contributions by subject area Bioinformatics Evolutionary Studies Microbiology Gastroenterology and Hepatology Infectious Diseases Genetics Maria Mercedes Bravo PeerJ Author Summary Bioinformatics Evolutionary Studies Genetics Microbiology PeerJ Contributions Articles 2 May 6, 2019 Molecular evolution of the VacA p55 binding domain of Helicobacter pylori in mestizos from a high gastric cancer region of Colombia Andrés J. Gutiérrez-Escobar, María M. Bravo, Orlando Acevedo, Steffen Backert https://doi.org/10.7717/peerj.6634 PubMed 31119065 May 25, 2018 Rapid evolution of the Helicobacter pylori AlpA adhesin in a high gastric cancer risk region from Colombia Andrés Julián Gutiérrez-Escobar, Gina Méndez-Callejas, Orlando Acevedo, Maria Mercedes Bravo https://doi.org/10.7717/peerj.4846 PubMed 29844987