| Title |
Isolation , Identification and Biodegradation Characteristic of o - Cresol Degrading Bacteria |
| Authors |
고순순 ; 송준상 ( Soon Soon Kho ; Jun Sang Song ) |
| Abstract |
Cresol has been used as a disinfectant. But this chemical is not only toxic to the biota, but recalcitrant environmental pollutant. This study was carried out to examine the o-cresol biodegradation by isolated strains in nature. The following results were obtained. From twenty samples, 4 strains were isolated. One of the strains, was identified as Acinetobacter sp., the rest were identified as Pseudomonas sp. Each strain showed very different diversity in the substrate utility, as a sole carbon and energy source. Substrates were all 44 kinds including carbohydrates, amino acids, alcohols and other aromatic compounds. In the measurement of respiration rate by each strain, strain No. III was an excellent degrader in respiration rate as 344ng O₂/g·biomass·hr. In the test of biodegradation activity, strain No. III degraded o-cresol-1500 ㎎/ℓ of 92 percent for 84 hr. |