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The isolation of Lactococcus lactis subsp. cremoris from nature with probes for 16S ribosomal RNAs

Creator:: Salama, Maysoon
Resource Type:: Dissertation
Full Text:: : Stephen J. lovannoni William E. Sandine Lactococcus lactis subsp. cremoris is of considerable interest

Selection of phage insensitive lactic streptococcal strains for use in cheddar cheese manufacture

Creator:: Daniell, Suzanne D.
Abstract:: A survey was conducted of six North American cheese plants to determine levels of bacteriophages present. Fifty-nine lactic streptococcal host bacterial strains were utilized in the survey. Phage levels were generally lower in plants employing modern manufacturing techniques than in plants employing traditional manufacturing techniques; this difference was attributed to...
Resource Type:: Masters Thesis
Full Text:: for use in cheddar cheese manufacture AN ABSTRACT OF THE THESIS OF SUZANNE D. DANIELL for the

Growth, physiological characteristics and plasmid profiles of Bifidobacterium species

Creator:: Cheng, Ronshan
Abstract:: The fecal flora of healthy bottle or breast-fed infants was examined for the presence of Bifidobacterium. Identification was based on the presence of fructose-6-phosphate phosphoketolase, which is found only in these bacteria. No bifidobacteria were recovered from bottle-fed infants. However, bifidobacteria were readily isolated from 15 day to 3 month...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: William Sandine The fecal flora of healthy bottle or breast-fed infants was

Development and use of genetic techniques for study of dairy Leuconostoc bacteria

Creator:: Wyckoff, Herbert Allen, 1961-
Resource Type:: Dissertation
Full Text:: Techniques for Study of Dairy Leuconostoc Bacteria Abstract approved William E. Sandine A high frequency

Effect of selected lactic acid bacteria on the growth of food-borne pathogens and spoilage microorganisms in raw milk and milk products

Creator:: Al-Zoreky, Nageb
Abstract:: Several lactic acid bacteria (LAB) of the Lactococcus, Lactobacillus, Leuconostoc and Pediococcus genera were screened for inhibition of food-borne pathogens and spoilage microorganisms in raw milk and dairy products. Listeria monocytogenes was killed by Lactococcus lactis subsp. lactis and Pediococcus pentosaceus due to their production of bacteriocin-type inhibitors. Staphylococcus aureus...
Resource Type:: Dissertation
Full Text:: Spoilage Microorganisms in Raw Milk And Milk Products Abstract Approved: Dr. William E

Characterization of 16S Ribosomal RNA Probe-Isolated Lactococci from nature for use in Cheddar cheese manufacture

Creator:: Daniels, Brent E.
Abstract:: Strains of Lactococcus lactis ssp. lactis and Lactococcus lactis ssp. cremoris with potential use in the food industry which had been previously isolated from nature using 16S rRNA probes were characterized for unique identifying traits and for attributes important for potential use in cheese manufacture. Strains of Lc. cremoris which...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: William E. Sandine Strains of Lactococcus lactis ssp. lactis and Lactococcus lactis ssp

Control of acid production and β-galactosidase synthesis in lactic streptococci

Creator:: Citti, James Edward
Abstract:: The public health and economic significance of rapid acid production by lactic streptococci in controlled dairy fermentations is well known. However, the fast acid-producing characteristic of these organisms is not stable, and cultures of fast organisms have been shown to contain slow cells. These studies were carried out to characterize...
Resource Type:: Dissertation
Full Text:: in lactic streptococci AN ABSTRACT OF THE THESIS OF JAMES EDWARD CITTI for the Ph. D. in

Mechanisms of lactose metabolism by strains of Streptococcus lactis

Creator:: Walter, Leslie Alva
Abstract:: Rapid acid production by lactic streptococci used in the manufacture of fermented dairy products is essential to the economy of the industry and to the public health of consumers. There remains to developed, however, an adequate laboratory procedure to detect and distinguish between slow and fast strains of these bacteria....
Resource Type:: Masters Thesis
Full Text:: : MECHANISMS OF LACTOSE METABOLISM BY STRAINS OF STREPTOCOCCUS LACTIS Redacted for Privacy William E. Sandine

Development of an internal pH-controlled, phage inhibitory bulk starter medium for the propagation of thermophilic lactic acid bacteria used in the production of mozzarella cheese

Creator:: Whitehead, William E.
Resource Type:: Dissertation
Full Text:: mozzarella cheese AN ABSTRACT OF THE THESIS OF William E. Whitehead for the degree of Doctor of Philosophy

Conjugal transfer of plasmid genes between lactic Streptococcus and Leuconostoc starter bacteria

Creator:: Tsai, Huai-jen
Abstract:: Mutants of Streptococcus lactis 7962 with various combinations of plasmid molecular masses were screened for nisin production. Nisin was produced by both wild type and mutants that contained a 17.5 Md plasmid, which was usually obscured by the chromosomal fragments. No nisin was produced by plasmid-free mutants. Sucrose fermentation and...
Resource Type:: Dissertation
Full Text:: approved: William E. Sandine Mutants of Streptococcus lactis 7962 with various combinations of plasmid

ScholarsArchive@OSU

The isolation of Lactococcus lactis subsp. cremoris from nature with probes for 16S ribosomal RNAs

Selection of phage insensitive lactic streptococcal strains for use in cheddar cheese manufacture

Growth, physiological characteristics and plasmid profiles of Bifidobacterium species

Development and use of genetic techniques for study of dairy Leuconostoc bacteria

Effect of selected lactic acid bacteria on the growth of food-borne pathogens and spoilage microorganisms in raw milk and milk products

Characterization of 16S Ribosomal RNA Probe-Isolated Lactococci from nature for use in Cheddar cheese manufacture

Control of acid production and β-galactosidase synthesis in lactic streptococci

Mechanisms of lactose metabolism by strains of Streptococcus lactis

Development of an internal pH-controlled, phage inhibitory bulk starter medium for the propagation of thermophilic lactic acid bacteria used in the production of mozzarella cheese

Conjugal transfer of plasmid genes between lactic Streptococcus and Leuconostoc starter bacteria

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