Taxonomic characterization of Leuconostoc mesenteroides and Leuconostoc oenos bacteriophage
✍ Scribed by Brigitte Boizet; Mireille Mata; Olivier Mignot; Paul Ritzenthaler; Tommazzo Sozzi
- Book ID
- 109317495
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 318 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0378-1097
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## Abstract Dextransucrase from __Leuconostoc mesenteroides__ (NRRL B‐512F) was purified by ultrafiltration and gel filtration chromatography in 54% yield. The specific activity of a heart cut was 58.6 U/mg; cumulative purification of that preparation was 247−fold. Of 13 carriers surveyed, only alk
cc-Galactosidases (x-gal) from six strains of Leuconostoc mesenteroides subsp. mesenteroides, which were isolated from four different ecological niches, have been characterized. The enzymes have an optimum pH ranging from 5.5 to 6.4. Strain 19A possesses a pH optimum close to neutral. The optimum te