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Effect of growth temperature and pH on the aminopeptidase activity of Pseudomonas putida, P. fluorescens and Flavobacterium odoratum; the 4-nitroaniline test is reliable.
- Source :
-
Folia microbiologica [Folia Microbiol (Praha)] 2008; Vol. 53 (5), pp. 423-6. Date of Electronic Publication: 2008 Dec 16. - Publication Year :
- 2008
-
Abstract
- No significant difference (p > 0.05) was observed in the specific aminopeptidase activity (SAA) developed by Pseudomonas fluorescens, P. putida and Flavobacterium odoratum either growing at pH 5.0-6.5 or at 7 and 12 degrees C. Nevertheless, a significant difference was found when comparing the SAA of these organisms. The SAA of F. odoratum was lower than those of pseudomonads. The 4-nitroaniline test is reliable to estimate the G(-) load of fresh food products.
- Subjects :
- Bacterial Proteins metabolism
Bacteriological Techniques
Culture Media
Flavobacterium growth & development
Hydrogen-Ion Concentration
Pseudomonas fluorescens growth & development
Pseudomonas putida growth & development
Temperature
Aminopeptidases metabolism
Aniline Compounds metabolism
Flavobacterium enzymology
Pseudomonas fluorescens enzymology
Pseudomonas putida enzymology
Subjects
Details
- Language :
- English
- ISSN :
- 0015-5632
- Volume :
- 53
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Folia microbiologica
- Publication Type :
- Academic Journal
- Accession number :
- 19085077
- Full Text :
- https://doi.org/10.1007/s12223-008-0064-4