Associative growth of Yersinia enterocolitica 0:3 with Pseudomonas aeruginosa and Staphylococcus aureus in a diffusion apparatus. (Ecologen).
To evaluate associative growth of psychorotrophic P. aeruginosa and S. aureus with Y. enterocolitica 0:3, microorganisms were grown in trypticase soy broth in a diffusion apparatus (Ecologen) and incubated for 9 days at 4 degrees C. The effects of culture interactions were determined by growth curves, lag times, generation times, pH changes and acid production. The observed growth curves for Y. enterocolitica 0:3, P. aeruginosa and S. aureus, shows the stimulating effects of Y. enterocolitica 0:3 on growth of psychotrophic microorganisms in associative culture at 4 degrees C, although it was later inhibited by these organisms as they reached the stationary phase, thus proving itself to be a poor competitor with common spoilage microorganism.
Holmquist-Donquis
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Arispe
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D002364:Caseins; D003470:Culture Media; D015194:Diffusion Chambers, Culture; D011492:Protein Hydrolysates; D011550:Pseudomonas aeruginosa / Q000254:growth & development*; D013211:Staphylococcus aureus / Q000254:growth & development*; D015008:Yersinia enterocolitica / Q000254:growth & development*
D002364:Caseins; D003470:Culture Media; D011492:Protein Hydrolysates; C026375:trypticase-soy broth