Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Ignavigranum, Ignavigranum ruoffiae Collins
et al. 1999, sp. nov. - type species of the genus.
Gram-positive, ovoid cells, occurring in pairs, groups, or chains. Non-spore- forming.
Colonies on 5% blood agar are non-pigmented, alpha- or gamma-hemolytic.
Facultatively anaerobic. No growth at 10 ºC; some strains may grow at 45 ºC. Grows
in 6.5% NaCl. No growth on bile-esculin agar.
Isolated from human clinical specimens. Habitat is not known. Vancomycin-sensitive.
Undetermined. Isolated from blood, wound and ear abscess.
- Matthew D. Collins. Genus VII. Ignavigranum Collins, Lawson, Monasterio, Falsen, Sjoden and Facklam 1999e, 100VP. 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, 546-547.
- Matthew D. Collins, Paul A. Lawson, Rafael Monasterio, Enevold Falsen, Berit Sjoden, Richard R. Facklam. Ignavigranum
ruoffiae sp. nov., isolated from human clinical specimens. Int J Syst Evol Microbiol, January 1999 49: 97-101.
Positive results for arginine dihydrolase, leucine arylamidase, pyroglutamic acid
arylamidase, urease, acid production from: glucose
Negative results for alkaline phosphatase, catalase, hippurate hydrolysis, esculin hydrolysis, gelatin hydrolysis, oxidase, alanine
phenylalanine proline arylamidase, alpha- and beta-galactosidase, beta-glucosidase, beta-glucuronidase, glycyl tryptophan
arylamidase, N-acetyl-beta-glucosaminidase, beta-mannosidase, valine arylamidase, trypsin, nitrate reduction, Voges–Proskauer
reaction, acid production from: L-arabinose, D-arabitol, cyclodextrin, glycogen, lactose, maltose, melezitose, melibiose, pullulan,
raffinose, ribose, sorbitol, tagatose, trehalose & D-xylose.
Variable results for acid phosphatase, esterase C4, ester lipase C8, phosphoamidase, acid production from: mannitol & sucrose.
(c) Costin Stoica