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Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus aquimaris  Yoon, Kim, Kang, Oh and
Park 2003. Description is based on a single isolate.
Gram-variable rods, 0.5-0.7 x 1.2-3.5 µm, motile by means of peritrichous flagella.
Central,
ellipsoidal endospores (0.6-0.8 x 1.0-1.4 µm) in swollen sporangia.
Colonies are pale orange-yellow, circular - slightly irregular, slightly raised, 2-4 mm in
diameter after 3 days at 30 ºC on Marine agar.
Grow aerobically, not anaerobically. Optimum growth at pH 6-7, no growth at ph 5 or 9.
NaCl is required for growth (can grow poor without NaCl, but occurs in the presence
of up to 18% NaCl). Optimal growth temperature is 30
-37  ºC. Growth occurs at 10
and 44 ºC, not at 4 or above 45 ºC.
Allantoin or urate are not required.
Isolated from sea water of a tidal flat of the Yellow Sea in Korea.
Unknown.
  1. N.A. Logan and P. De Vos, 2009. Genus I.  Bacillus  Cohn 1872. 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, 21-127.
  2. J.H. Yoon, I.G. Kim, K. H. Kang, T.K. Oh and Y.H. Park, 2003. Bacillus marisflavi sp. nov. and Bacillus aquimaris sp. nov., isolated
    from sea water of a tidal flat of the Yellow Sea in Korea. IJSEM 53, no.5, 1297-1303.
Positive results for catalase, hydrolysis of casein, hydrolysis of Tween 80 hydrolysis of starch, acid production from: D-glucose,  
glycogen, starch, fructose, 5-ketogluconate, maltose, ribose, sucrose & trehalose.

Negative results for hydrolysis of esculin, hydrolysis of urea, oxidase, degradation of tyrosine, deamination of phenylalanine, acid
production from: L-arabinose, D-mannitol, D-mannose, methyl beta-xyloside, glycerol, salicin, D-xylose, N-acetil-D-glucosamine,
adonitol, amygdalin, D-arabinose, D-arabitol, L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-fucose, L-fucose, galactose,
beta-gentibiose, gluconate, meso-inositol, inulin, 2-ketogluconate, lactose, lyxose, melezitose, melibiose, raffinose, rhamnose,
sorbitol, sorbose, xylitol & L-xylose.
(c) Costin Stoica
Bacillus aquimaris
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