title: Phase variation in colony opacity by Streptococcus pneumoniae.
authors.affiliation: Department of Pediatrics, Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, 19104, USA.
authors.forename: J N
authors.initials: JN
authors.lastname: Weiser
mesh_terms: D000818:Animals; D016667:Bacterial Capsules / Q000737:chemistry; D002794:Choline / Q000378:metabolism; D005434:Flow Cytometry; D005455:Fluorescent Antibody Technique; D006801:Humans; D051379:Mice; D009305:Nasopharynx / Q000382:microbiology; D010641:Phenotype; D010767:Phosphorylcholine / Q000378:metabolism; D011008:Pneumococcal Infections / Q000382:microbiology; D011135:Polysaccharides, Bacterial / Q000737:chemistry; D051381:Rats; D013296:Streptococcus pneumoniae / Q000737:chemistry / Q000235:genetics / Q000254:growth & development*
chemical_list: D011135:Polysaccharides, Bacterial; D010767:Phosphorylcholine; D002794:Choline