NCIt definition : A species of obligately aerobic, Gram negative, rod shaped bacteria assigned to the
phylum Proteobacteria. This bacteria is motile, oxidase positive, catalase positive,
does not reduce nitrates and degrades urea. A. faecalis is found in soil, water, and
fecal matter and is an opportunistic pathogen in humans.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Alcaligenes faecalis.;