Paenibacillus massiliensis
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Taxonomy
Morphology
Cultural characterisics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Paenibacillaceae, Genus Paenibacillus, Paenibacillus massiliensis Roux
and Raoult 2004.
Description is based upon a single isolate.
Gram-positive, motile (peritrichous flagella) rods, 0.5 x 2.0-4.0 μm. Produce
ellipsoidal spore in swollen sporangium.
Grows on routine media. Colonies are beige, flat and translucent after 24 hours at 30
ºC. Nonhemolytic. Aerobic and anaerobic growth. Optimum growth temperature 30-37
ºC. Can grow at 50 ºC. Grow in 2% and 5% NaCl.
The type strain was isolated from human blood culture sample.
Sensitive to amoxicillin, gentamicin, doxycycline, erythromycin, trimethoprim sulfamethoxazole, rifampicine and vancomycin.
The type strain was isolated from blood culture sample of a 14-year-old boy suffering from lymphoblastic leukemia with fever and
neutropenia.
- Roux V. and Raoult D., 2004. Paenibacillus massiliensis sp. nov., Paenibacillus sanguinis sp. nov. and Paenibacillus timonensis
sp. nov., isolated from blood cultures. IJSEM 54, 1049-1054.
- Priest F.G., 2009. Genus I. Paenibacillus Ash, Priest and Collins 1994. 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, 269-295.
Positive results for catalase, hydrolysis of esculin, hydrolysis of starch, nitrate reduction,
acid production from: amygdalin, arbutin, L-arabinose, cellobiose, aesculin, fructose,
galactose, beta-gentiobiose, D-glucose, glycerol, glycogen, inositol, lactose, maltose, D-mannitol, mannose, melibiose, raffinose,
ribose, salicin, starch, sucrose and trehalose.
Negative results for oxidase, citrate utilization, hydrolysis of gelatin, hydrolysis of urea, indole production, Voges-Proskauer test, acid
production from: N-acetylglucosamine, adonitol, D-arabinose, arabitol, dulcitol, erythritol, D- or L-fucose, gluconate, inulin, 2- or
5-ketogluconate, lyxose, methyl-alpha-D-mannoside, melezitose, rhamnose, sorbitol, sorbose, tagatose, turanose, xylitol, D- or
L-xylose and methyl-beta-D-xyloside.
(c) Costin Stoica