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Effect of Dilution Rate on Bacteriophage Development in an Immobilized Cell System Used for Continuous Inoculation of Lactococci in Milk
Lactococcus lactis ssp. lactis bacteriophage immobilized cells continuous fermentation
2008/3/25
The response to bacteriophage contamination of a free cell and an immobilized cell bioreactor was studied during continuous pH-controlled fermentation of milk with Lactococcus lactis ssp. lactis. Afte...
Determination of Growth Parameters of Lactococci in Milk and Ultrafiltered Milk
growth parameters lactococci ultrafiltered milk
2008/3/22
Fresh skim milk and a highly standardized skim milk powder (Nilac) were ultrafiltrated at 50°C to concentration factors of approximately 2,2.5, 3.5, and 4.5, based on total protein. Growth characteris...
Glutathione accumulation was quantified in cell-free extracts prepared from Lactococcus lactis ssp. cremoris C2 and Z8 cultures grown in milk and milk supplemented with the AA precursors to glutathion...
Development of a Spiral Mesh Bioreactor with Immobilized Lactococci for Continuous Inoculation and Acidification of Milk
immobilized lactococci continuous acidification immobilized cell bioreactor continuous inoculation
2008/3/18
A laboratory-scale bioreactor with lactococci immobilized in calcium alginate gel was developed for continuous acidification and inoculation of milk. Cells were entrapped in a calcium alginate film co...
Copy Number and Location of Insertion Sequences ISS1 and IS981 in Lactococci and Several Other Lactic Acid Bacterial -- Polzin et al. 76 (5): 1243 -- Journal of Dairy Science
ISS1 IS981 lactococci insertion sequences
2008/3/17
Genomic DNA from 49 lactococcal strains was screened by Southern hybridization for the presence and relative copy number of lactococcal insertion sequence ISS1: ISS1 was found in 47 of 49 strains givi...