Undergraduate education

Swarthmore College, BA, 2008

Years in MSTP



Microbiology, 2015


Margaret McFall-Ngai, PhD

Thesis title

Microbial Pattern Recognition in the Euprymna Scolopes - Vibrio Fischeri Symbiosis


Pediatrics, University of Chicago, Medical Center, 2017-

Current position

Resident, Department of Pediatrics, University of Chicago, Medical Center

PhD publications

Chen F, Krasity BC, Peyer SM, Koehler S, Ruby EG, Zhang X, McFall-Ngai MJ. Bactericidal Permeability-Increasing Proteins Shape Host-Microbe Interactions. MBio. 2017 Apr 4;8(2). pii: e00040-17. PMID: 28377525; PMCID: PMC5380838.

Post DM, Yu L, Krasity BC, Choudhury B, Mandel MJ, Brennan CA, Ruby EG, McFall-Ngai MJ, Gibson BW, Apicella MA. O-antigen and core carbohydrate of Vibrio fischeri lipopolysaccharide: composition and analysis of their role in Euprymna scolopes light organ colonization. J Biol Chem. 2012 Mar 9;287(11):8515-30. PMID: 22247546; PMCID: PMC3318738.

Krasity BC, Troll JV, Weiss JP, McFall-Ngai MJ. LBP/BPI proteins and their relatives: conservation over evolution and roles in mutualism. Biochem Soc Trans. 2011 Aug;39(4):1039-44. PMID: 21787344; PMCID: PMC3679904.

Brennan CA, Hunt JR, Kremer N, Krasity BC, Apicella MA, McFall-Ngai MJ, Ruby EG. A model symbiosis reveals a role for sheathed-flagellum rotation in the release of immunogenic lipopolysaccharide. Elife. 2014 Mar 4;3:e01579. PMID: 24596150; PMCID: PMC3941163.

Krasity BC, Troll JV, Lehnert EM, Hackett KT, Dillard JP, Apicella MA, Goldman WE, Weiss JP, McFall-Ngai MJ. Structural and Functional Features of a Developmentally Regulated Lipopolysaccharide-Binding Protein. MBio. 2015 Oct 13;6(5). pii: e01193-15. PMID: 26463160; PMCID: PMC4620459.

Barker AK, Krasity B, Musuuza J, Safdar N. Screening for Asymptomatic Clostridium difficile Among Bone Marrow Transplant Patients: A Mixed-Methods Study of Intervention Effectiveness and Feasibility. Infect Control Hosp Epidemiol. 2018 Feb;39(2):177-185. PMID: 29366434; PMCID: PMC6239859.