Nitrogen sources Chryseobacterium gregarium Staphylococcus epidermidis Stenotrophomonas Acidaminiphila Cloacibacterium normanense Brevibacillus parabrevis Pseudomonas veronii Acinetobacter soli Acinetobacter parvus Gelatin + + + + + - - - Glycyl-L-proline - + + + + - - - L-alanine - + + - + - + - L-arginine - + - - + - + - L-aspartic acid - + - - + - + - L-glutamic acid + + + + + + + - L-Histidine - + + - + + + - L-Pyroglutammic acid - + - - - - + - L-Serine - + + + + - + - L-Aspartic acid - + - - - - - - D-Serine - + - - + + - -

Table 3: Nitrogen utilization profiles of all strains isolated.