Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Facklamia, Facklamia sourekii Collins et al.
Gram-positive, ovoid cells, 0.8-0.9 µm in diameter, occurring in pairs or short chains.
Colonies on Columbia agar (Difco) supplemented with 5% horse blood at 37 ºC are
alpha-haemolytic and non-pigmented. Facultatively anaerobic. Grows in 5% NaCl.
Isolated from human clinical samples (haemoculture of a 72-year-old man). Habitat is unknown.
- Matthew D. Collins, Roger A. Hutson, Enevold Falsen, Berit Sjoden. Facklamia sourekii sp. nov., isolated from human sources. Int
J Syst Evol Microbiol, April 1999 49: 635-638.
- 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.
Description is based on API Rapid ID32 Strep and API ZYM results.
Positive results for esterase C-4 (weak reaction), hippurate hydrolysis, pyroglutamic
acid arylamidase, leucine arylamidase, acid production from: D-arabitol, glucose,
maltose, mannitol, sorbitol, sucrose & trehalose..
Negative results for arginine dihydrolase, alanine-phenylalanine-proline arylamidase, catalase, esculin hydrolysis, alpha-fucosidase,
gelatin hydrolysis, alpha- and beta-galactosidase, beta-galacturonidase, alpha- and beta-glucosidase, beta-glucuronidase, lipase
C-14, nitrate reduction, alpha-mannosidase, N-acetylglucosaminidase, glycyl-trytophan arylamidase, oxidase, chymotrypsin, trypsin,
valine arylamidase, urease, Voges-Proskauer reaction, acid production from: L- arabinose, cyclodextrin, glycogen,
methyl-beta-D-glucopyranoside, lactose, melibiose, melezitose, pullulan, raffinose, ribose & tagatose.
Variable results for acid phosphatase, alkaline phosphatase & cystine arylamidase activity.
(c) Costin Stoica