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Table 1 Biochemical characterization of the bacterium in C1, C2, and C3

From: Biofilm mediated synergistic degradation of hexadecane by a naturally formed community comprising Aspergillus flavus complex and Bacillus cereus group

  Bacterial isolates in the isolated communities
Characteristics C1- bacterium C2- bacterium C3- bacterium
Gram’s reaction + + +
Motility Active motile Non-motile motile
Endospores + + +
 position Sub terminal Sub terminal Sub terminal
 shape Oval Oval Oval
 swollen/no swelling Swollen No swelling No swelling
Cell shape Rods Rods Rods
Oxygen relationship Facultative anaerobe Facultative anaerobe Facultative anaerobe
Catalase (aerobe) + + +
Oxidase (aerobe) + + +
Nitrate reduction (anaerobe) + + +
Voges-proskuer test
Glucose fermentation
 gas production
 acid production + + +
Fermentation of sugars
 L- arabinose +
 D-xylose +
 D-mannitol
 D-mannose +
Casein hydrolysis + + +
Gelatin hydrolysis + + +
Starch hydrolysis +
Citrate utilization + + +
Tyrosine degradation
Lecithinase activity
Indole test
Growth at pH
 6.8 + + +
 5.7
Growth in NaCl
 7% + + +
 10% + + +
Growth at temperatures
 30 °C + + +