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Purification and properties of Streptococcus lactis β-galactosidase

Creator:: McFeters, Gordon A.
Abstract:: Experiments were carried out to purify and characterize the galactosidase of the Streptococcus lactis 7962. Purification was accomplished using standard procedures; however the lability of the enzyme to numerous treatments limited the techniques that could be used and the amount of active enzyme recovered. Gel filtration revealed that the enzyme...
Resource Type:: Dissertation
Full Text:: Purification and Properties of Streptococcus AN ABSTRACT

Lactic streptococci: growth characteristics and plasmid profiles of drug- and bacteriophage-insensitive mutants

Creator:: Wulf, John J.
Abstract:: Fast acid-producing streptomycin-resistant mutants for several strains of lactic streptococci currently used in commercial Cheddar cheese manufacture were isolated. Their isolation involved use of a recently developed differential plating medium that allows identification of fast acid-producing colonies. Both parents and mutants were characterized with regard to growth, acid production, proteolytic...
Resource Type:: Masters Thesis
Full Text:: starter culture composed of two Streptococcus lactis and four Streptococcus cremoris strains. Mutants

Destruction of lactic acid streptococcus bacteriophage by various bactericidal agents

Creator:: Watkins, Sprague Hammond
Resource Type:: Masters Thesis
Full Text:: Destruction of Lactic Acid Streptococcus Bacteriophage by

Antimicrobial resistance and plasmid properties of Leuconostoc and group N Streptococcus

Creator:: Orberg, Paulo K.
Abstract:: A method for rapid isolation of plasmid DNA from group N streptococci was developed. Chief advantages of the method were simplicity, the utilization of microliter quantities of reagents, and the obtainment of preparations highly enriched for covalently closed circular plasmid DNA. The method was also applied to over 15 Leuconostoc...
Resource Type:: Dissertation
Full Text:: Leuconostoc and group N Streptococcus AN ABSTRACT OF THE THESIS OF Paulo K. Orberg for the degree of

The rpsL gene and streptomycin resistance in Streptococcus gordonii and Streptococcus pyogenes

Creator:: Vidyasanker, Radhika
Abstract:: Streptomycin resistance in both gram-positive and gram-negative bacteria is usually caused by a single mutation in the rpsL gene. The rpsL gene encodes the S12 protein of the ribosomal complex. The rpsL genes of various bacteria have consensus regions in their sequences. Primers were designed from these consensus pockets and...
Resource Type:: Masters Thesis
Full Text:: The rpsL gene and streptomycin resistance in Streptococcus

Nutritional requirements of bacteriophage-sensitive and bacteriophage-resistant strains of lactic streptococci

Creator:: Parker, Richard Bennett
Resource Type:: Masters Thesis
Full Text:: Requirements of lactic streptococcus bac teriophage - - - - - - - - - 14 MATERI.ALS AND METHODS 17

Nutritional factors in milk affecting growth of lactic acid streptococci and lactobacilli

Creator:: Parker, Richard Bennett
Resource Type:: Dissertation
Full Text:: produced by commercially available mixed strain lactic streptococcus starter cul- ture B in individual

The physiology and taxonomy of the carbon dioxide-producing lactic acid streptococci

Creator:: Sandine, William E., 1928-
Resource Type:: Dissertation
Full Text:: number and source of mixed strain lactic streptococcus starter cultures employed in this investigation

A comparative serological investigation of hemolytic streptococcal infections within institutionalized and non-institutionalized groups

Creator:: Zimmerman, Robert Arnold
Resource Type:: Dissertation

Genetic homology and exchange in lactic acid streptococci

Creator:: Knittel, Martin Dean
Abstract:: The dairy industry relies primarily on consistent acid production by the lactic streptococci for the manufacture of certain cheeses and fermented dairy products. Variation in these cultures due to genetic exchange has not been thoroughly investigated. This study was undertaken to determine if genetic homology exists within the lactic group,...
Resource Type:: Dissertation
Full Text:: Streptococcus lactis, Streptococcus cremoris and Streptococcus diacetilactis showed average mean Tm values of

ScholarsArchive@OSU

Purification and properties of Streptococcus lactis β-galactosidase

Lactic streptococci: growth characteristics and plasmid profiles of drug- and bacteriophage-insensitive mutants

Destruction of lactic acid streptococcus bacteriophage by various bactericidal agents

Antimicrobial resistance and plasmid properties of Leuconostoc and group N Streptococcus

The rpsL gene and streptomycin resistance in Streptococcus gordonii and Streptococcus pyogenes

Nutritional requirements of bacteriophage-sensitive and bacteriophage-resistant strains of lactic streptococci

Nutritional factors in milk affecting growth of lactic acid streptococci and lactobacilli

The physiology and taxonomy of the carbon dioxide-producing lactic acid streptococci

A comparative serological investigation of hemolytic streptococcal infections within institutionalized and non-institutionalized groups

Genetic homology and exchange in lactic acid streptococci

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