POLYHEDRAL ORGANELLES INVOLVED IN THE B12-DEPENDENT METABOLISM OF 1,2-PROPANEDIOL IN Salmonella enterica SEROVAR TYPHIMURIUM LT2


















                         By

              GREGORY DALE HAVEMANN


A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT
      OF THE REQUIREMENTS FOR THE DEGREE OF
             DOCTOR OF PHILOSOPHY

             UNIVERSITY OF FLORIDA 2003