Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Facklamia, Facklamia languida Lawson et al.
Gram-positive, ovoid cells occurring singly, in pairs or in short chains . Non-motile.
Alpha-hemolytic (48h) colonies are produced on 5% sheep blood agar at 37 ºC. Can
grow in 6.5% NaCl broth. Facultatively anaerobic. No growth at 10 or 45 ºC. Negative
Habitat is unknown. Isolated from human clinical specimens. Susceptible to vancomycin.
- Lawson, P.A., M.D. Collins, E. Falsen, B. Sjoden and R.R. Facklam. Facklamia languida sp. nov., isolated from human clinical
specimens. J. Clin. Microbiol. 37: 1161–1164.
- Matthew D. Collins and Enevold Falsen, 2009. Genus V. Facklamia Collins, Falsen, Lemosy, Akervall, Sjoden and Lawson 1997,
882VP 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, Springer, 541-544.
Positive results for alkaline phosphatase, pyroglutamic acid arylamidase, leucine
arylamidase, and glycyl-tryptophan arylamidase, pyrrolidonyl arylamidase, leucine
aminopeptidase, acid production from trehalose.
Negative results for acid phosphatase, alanine-phenylalanine-proline arylamidase, arginine dihydrolase, catalase, oxidase, esculin
hydrolysis, hippurate hydrolysis, N-acetyl-beta-glucosaminidase, chymotrypsin, trypsin, cysteine arylamidase, alpha-fucosidase,
alpha- and beta-galactosidase, beta-galacturonidase, alpha and beta-glucosidase, beta-glucuronidase, lipase C14, alpha-
mannosidase, beta-mannosidase, nitrate reduction, urease, Voges-Proskauer reaction, acid production from: D-arabitol,
L-arabinose, cyclodextrin, glycogen, lactose, melibiose, mannitol, maltose, melezitose, methyl-beta-D-glucopyranoside, pullulan,
raffinose, ribose, sorbitol, sucrose & tagatose.
Variable results for esterase C4 and ester lipase C8.
(c) Costin Stoica