MCB 3020 Lecture Notes - Lecture 38: Carl Linnaeus, Microbiological Culture, Microbiology
Document Summary
Collection of strains that share many stable properties and differ significantly from other groups of strains: also suggested as a definition of species. Collection of organisms that share the same sequences in their core housekeeping genes. Strains: descended from a single, pure microbial culture. Type strain: usually one of first strains of a species studied, often most fully characterized, not necessarily most representative member of species. Genus: well-defined group of one or more strains, clearly separate from other genera, often disagreement among taxonomists about the assignment of a specific species to a genus. Binomial system of nomenclature: devised by carl von linn (carolus linnaeus, each organism has two names. Genus name italicized and capitalized (e. g. , escherichia) Species epithet italicized but not capitalized (e. g. , coli: can be abbreviated after first use (e. g. , e. coli, a new species cannot be recognized until it has been published in the. Techniques for determining microbial taxonomy and phylogeny: classical characteristics.
