Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus [Group A lactobacilli (obligately
homofermentative), Lactobacillus salivarius phylogenetic-group], Lactobacillus aviarius Fujisawa, Shirasaka, Watabe and Mitsuoka
1985, 2 subspecies:
L. aviarius subsp. araffinosus Fujisawa, Shirasaka, Watabe and Mitsuoka 1985,
L. aviarius subsp. aviarius Fujisawa, Shirasaka, Watabe and Mitsuoka 1985.
Gram-positive, short to coccoid rods (0.5-1.0 x 0.5-1.6 μm) occurring singly, in pairs
and in short chains. Nonmotile. Nonspore-forming.
Surface colonies on BL agar after 2 days of anaerobic incubation are 0.3–1.2 μm in
diameter, round, globular, yellowish-white to reddish-brown, with a smooth surface
and entire edge. The final pH of glucose broth is 3.9–4.0. No growth at 15 ºC. Strictly
Isolated from chicken and duck alimentary tract and feces (L. aviarius subsp. aviarius) and from chicken duodenum (L. aviarius
- Hammes W.P. and Hertel C., 2009. Genus I. Lactobacillus Beijerinck 1901. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W.
Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes,
Obligately homofermentative (hexoses are fermented almost exclusively to lactic acid by the Embden-Meyerhof pathway; pentoses or
gluconate are not fermented).
Positive results for fermentation of: glucose (without gas production), maltose, mannose, sucrose, starch, and trehalose.
Negative results for fermentation of: mannitol, melezitose, and rhamnose.
Variable results for amygdalin fermentation.
(c) Costin Stoica
Differential characters of Lactobacillus aviarius subspecies:
Legend: + positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains