T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12
Gram + - - - - - + - + - + -
Shape R R S R R R S R S R R S
Motility - + - + + + + + - + - -
Catalase + + + + + + + + + + + +
Oxidase - + - - + - - + - + - -
Glucose (acid) - + + - - + + + - - - -
Carbohydrates (O/F/-) - F 0 0 0 F F 0 0/- 0 - 0/-
Mannitol -     - - - -   - - -  
Lactose - - + - - - - - - - - -
Maltose - D D + - + + D - - - -
Trehalose               D     -  
Xylose -   + - - + + + - - - -
Sucrose - D + - - + + - - - - +
Glyserol             -          
Raffinose             -          
Sorbitol             -          
VP - -       +     -   -  
Indol - - - - - + - - - - - -
Gelatin hydrolysis - - D - - - - - - - - -
Ornithin Decarboxylase + + + + + - + - + + + +
Urease +   D + - + + D D - + -
H2S + + + + + + + + - - - +
Growth at 42 oC     + + + - - -   +   +
Growth at 37 oC + -                    
Growth - SS Agar       + + +       +    
Growth on MacConkey     + + + +   +   +   +
Growth without NaCl   +       -            
Growth- 6% NaCl           + -          
Growth on KCN   -   + +     -   -    
D= Different reactions; F= Fermentative; O= Oxidative; R = Rod-shape; S= Sphere or Coccus
Table 4: Results of biochemical test on 12 major bacterial colonies isolated in the seawater of culture systems with and without Aquamat™., and on the surface of Aquamatâ„¢.
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