Table 2 Specific activity of the variations done

Table 2. Specific activity of the variations done for the enhancement of cellulase activity Amino acid Carbon source Nitrogen source Incubation Temperature p. H Metal ions and chellating agent Amino acid variant Control Cysteine Lysine Tyrosine C-source variant Control Maltose Starch Glucose N-source variant Control Sodium Nitrate Ammonium Chloride Ammonium Sulfate Potassium Nitrate Urea Temperature (°C) 30 42 60 82 100 p. H 2. 00 5. 51 7. 15 10. 35 12. 58 Metal Variant Control Cobalt Mercury Calcium Manganese Iron Magnesium EDTA (chellating agent) Specific activity (U/µg) 0. 413± 0. 2 0. 516± 0. 2 0. 473± 0. 2 0. 378± 0. 2 Specific activity (U/µg) 0. 217± 0. 2 0. 581± 0. 2 0. 342± 0. 2 0. 306± 0. 2 Specific activity (U/µg) 0. 207± 0. 2 0. 443± 0. 2 0. 482± 0. 2 0. 421± 0. 2 0. 411± 0. 2 0. 309± 0. 2 Specific activity (U/µg) 0. 078± 0. 233± 0. 245± 0. 2 0. 198± 0. 2 0. 004± 0. 2 Specific activity (U/µg) 0. 058± 0. 2 0. 198± 0. 2 0. 544± 0. 2 0. 103± 0. 2 0. 009± 0. 2 Specific activity (U/µg) 0. 319± 0. 2 0. 546± 0. 2 0. 088± 0. 2 0. 324± 0. 2 0. 471± 0. 2 0. 011± 0. 276± 0. 241± 0. 2 Amlan Chakraborty et al. Cellulase Activity Enhancement of Bacteria Isolated From Oil-Pump Soil Using Substrate and Medium Optimization. American Journal of Microbiological Research, 2014, Vol. 2, No. 2, 52 -56. doi: 10. 12691/ajmr-2 -2 -1 © The Author(s) 2014. Published by Science and Education Publishing.