gelatin liquefaction

gelatin liquefaction

[′jel·ət·ən ‚lik·wə′fak·shən]
(microbiology)
Reduction of a gelatin culture medium to the liquid state by enzymes produced by bacteria in a stab culture; used in identifying bacteria.
References in periodicals archive ?
The biochemical characters such as starch hydrolysis, gelatin liquefaction, KOH production, H2S production, carbon (sucrose, dextrose and glucose) and nitrogen (peptone) sources availability by the pathogen were studied as per the methods described by Salle (1961).
glycines causing bacterial pustule of soybean Tests Reaction Starch hydrolysis + Gelatin liquefaction + KOH solubility + H2S production + Acid production Sucrose + (carbon sources) Dextrose + Glucose + Acid production (nitrogen sources) Peptone - Note + : Positive - : Negative Table 3.
Biochemical tests such as oxidase, catalase, gelatin liquefaction, urea hydrolysis, methyl red and Voges-Proskauer, starch hydrolysis, indole, nitrate and nitrite reduction, triple sugar iron test (TS1), and HzS production were also performed as per the standard test.
All strains were found to be negative for methyl red and Voges-Proskauer, indole test, gelatin liquefaction, starch hydrolysis, and [H.