''"Mycobacterium avium hominissuis"'' is a subspecies of the phylum Actinomycetota ( Gram-positive

bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''

Mycobacterium ''Mycobacterium'' is a genus of over 190 species in the phylum Actinomycetota, assigned its own family, Mycobacteriaceae. This genus includes pathogens known to cause serious diseases in mammals, including tuberculosis ('' M. tuberculosis'') and ...

''. Suggested name for ''

Mycobacterium avium avium ''Mycobacterium avium'' is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. The type strain is ATCC 25 ...

'' isolates from

human Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, culture, ...

s and

pig The pig (''Sus domesticus''), often called swine, hog, or domestic pig when distinguishing from other members of the genus '' Sus'', is an omnivorous, domesticated, even-toed, hoofed mammal. It is variously considered a subspecies of ''Sus s ...

s. Based on differences in IS1245 RFLP, 16S-23S rDNA ITS and growth temperature, Mijs ''et al.'' 2002. propose to reserve the designation ''Mycobacterium avium'' subsp. ''avium'' for

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

-type isolates. These authors suggest, but not formally propose, the designation ''Mycobacterium avium'' subsp. ''hominissuis'' for the isolates from humans and pigs.

References

Acid-fast bacilli avium hominissuis Subspecies {{Mycobacterium-stub