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  • Title: Production of proteinase on noncarbohydrate carbon sources by Pseudomonas aeruginosa.
    Author: Morihara K.
    Journal: Appl Microbiol; 1965 Sep; 13(5):793-7. PubMed ID: 5867657.
    Abstract:
    Proteinase production by Pseudomonas aeruginosa was studied in medium containing noncarbohydrate materials, especially various hydrocarbons, as the sole carbon source. On heavy oil, kerosene, n-paraffinic hydrocarbon of C(12), C(14), or C(16), and propylene glycol, the bacteria grew well and high protinase production was observed. However, production on paraffinic hydrocarbon differed remarkably with strains of varied origins. The elastase-positive strain, IFO 3455, showed abundant growth and high proteinase production on medium containing a paraffin of C(12), C(14), or C(16), whereas the elastase-negative strain, IFO 3080, showed little growth on the same medium. Neither elastase-positive nor elastase-negative strains, however, utilized n-paraffins of C(5) to C(10), or various aromatic hydrocarbons such as benzene, naphthalene, phenanthrene, and anthracene. The proteinases produced on the noncarbohydrate medium were identical with those produced in glucose medium.
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