Paenibacillus mendelii
Taxonomy
Morphology
Cultural characterisics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Paenibacillaceae, Genus Paenibacillus, Paenibacillus mendelii  Smerda,
Sedlacek, Pacova, Dumova, Smiskova and Havel 2005.
Description is based on a single isolate.
Gram-variable rods. Produce ellipsoidal, subterminal spore in swollen sporangium.
Colonies are smooth, flat, bright, 1-2 mm in diameter and translucent  on nutrient
agar. Non-haemolytic. Aerobic and anaerobic growth. Optimum growth temperature
25-30 ºC. No growth at 50 ºC. No growth in 5 or 7% NaCl. Grow at pH 8.5.
The type strain was isolated from surface-sterilized seeds of the garden pea Pisum sativum. Habitat is not known.
Sensitive to cephalothin, vancomycin, erythromycin, tetracycline & piperaillin. Resistant to clindamycin & chloramphenicol.
Undetermined.
  1. Smerda (J.), Sedlacek (I.), Pacova (Z.), Durnova (E.), Smiskova (A.) and Havel (L.): Paenibacillus mendelii sp. nov., from surface-
    sterilized seeds of Pisum sativum L. Int. J. Syst. Evol. Microbiol., 2005, 55, 2351-2354.
  2. 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, beta-galactosidase, oxidase, acid
production from: L- or D-arabinose, cellobiose, fructose, D- or L-fucose, galactose,
beta-gentiobiose, D-glucose, glycerol, 5-ketogluconate, lactose, maltose, melezitose,
melibiose, raffinose, rhamnose, ribose, salicin, sucrose, trehalose, turanose, D-xylose
& methyl-beta-D-xyloside.

Negative results for arginine dihydrolase, citrate utilization, DNase, hydrolysis of agar, hydrolysis of casein, hydrolysis of gelatin,
hydrolysis of hippurate, hydrolysis of urea, hydrolysis of starch, hydrolysis of Tween 80, indole production, nitrate reduction,
degradation of tyrosine, Voges-Proskauer test, acid production from: N-acetylglucosamine, adonitol, amygdalin, arabitol arbutin,
dulcitol, erythritol, inositol, inulin,  gluconate, 2-ketogluconate, methyl-alpha-D-glucoside, glycogen, lyxose, D-mannitol, mannose,
methyl-alpha-D-mannoside, sorbitol, tagatose, xylitol & L-xylose.
(c) Costin Stoica
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