Paenibacillus assamensis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Paenibacillaceae, Genus Paenibacillus, Paenibacillus assamensis  Saha,
Mondal, Makyilraj, Krishnamurthi, Bhattacharta and Chakrabarti 2005.
Description is based on a single isolate.
Gram-variable, motile rods, 0.5–0.6  x 1.0–2.5 μm, single cells or pairs.
Produce ellipsoidal spores positioned terminally in swollen sporangia.
Colonies are convex with undulated margins and light yellowish-white, spreading as
single colonies over the entire plate. Aerobic; no anaerobic growth. Grow in TSB and
on TSA. Mesophilic, growth temperature 20 to 37 ºC, no growth at 40 ºC. Grow at
6.8-12.0 pH  and in 2.5% NaCl, but not in 3% NaCl media.
Isolated from a warm-spring water sample from a reserve forest (inhabited by wild elephants and other animals) in Assam, India.
Can grow in the presence of 0,001% lysozyme but not 0,01% lysozyme.
Undetermined.
  1. 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.
  2. Saha P., Mondal A.K., Mayilraj S., Krishnamurthi S., Bhattacharya A. and Chakrabarti , 2005.  Paenibacillus assamensis sp. nov., a
    novel bacterium isolated from a warm spring in Assam, India. IJSEM 55, 2577-2581.
Positive results for catalase, oxidase, arginine dihydrolase, hydrolysis of aesculin,
hydrolysis of starch, hydrolysis of gelatin, acid production from: amygdalin, cellobiose
(weak), D-glucose, glycerol, glycogen, beta-gentiobiose, mannose, maltose, ribose, sucrose (weak), starch & trehalose (weak).

Negative results for hydrolysis of casein, hydrolysis of urea, hydrolysis of Tween 80, 40 & 20,  nitrate reduction, Voges-Proskauer,  
DN-ase, lysine decarboxylase, ornithine decarboxylase, tryptophan deaminase, indole production, dihydroxyacetone, degradation of
tyrosine, citrate utilization, deamination of phenylalanine, H
2S production, methyl red test, ONPG, acid production from: adonitol, D- or
L-arabinose, L-arabitol, arbutin, dulcitol, fructose, galactose, inositol, inulin, lactose, D-mannitol,  melezitose, melibiose, raffinose,
rhamnose, salicin, sorbitol, sorbose, xylitol & D-xylose.
(c) Costin Stoica
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