title: Progress in the functional analysis of rickettsial genes through directed mutagenesis of Rickettsia prowazekii phospholipase D.
authors.affiliation: Department of Microbiology & Immunology, University of Rochester School of Medicine & Dentistry, Rochester, NY 14642, USA. sanjeev_sahni@urmc.rochester.edu
authors.forename: Sanjeev K
authors.initials: SK
authors.lastname: Sahni
authors.forename: Elena
authors.initials: E
authors.lastname: Rydkina