NCIt definition : Any bacteria that does not require oxygen to grow or respirate, has a cell wall that
contains low levels of peptidoglycan, and stains pink with the Gram staining technique.;
Alternative definition : CDISC: Any bacterial organism that does not require oxygen to grow or respirate, cannot
be assigned to a specific genus or species, and has a cell wall that contains low
levels of peptidoglycan and stains pink with the Gram staining technique.;