Thermostable strains of the genus thermus capable of producing a beta lactosidase

Thermostable strains of the genus thermus capable of producing a beta lactosidase

Biologically pure strains of Thermus sp. FERM BP-1678, FERM BP-1679 and FERM BP-1680 have been isolated, and are capable of producing a beta-galactosidase. The beta-galactosidase produced by these strains has specific characteristics wherein the enzyme is optimum at a temperature of 75 to 85 degrees...

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Bibliographische Detailangaben
Hauptverfasser: HORIKOSHI, KOUKI, TAKASE, MITSUNORI
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Zusammenfassung:Biologically pure strains of Thermus sp. FERM BP-1678, FERM BP-1679 and FERM BP-1680 have been isolated, and are capable of producing a beta-galactosidase. The beta-galactosidase produced by these strains has specific characteristics wherein the enzyme is optimum at a temperature of 75 to 85 degrees celsius and pH of 4.5 to 6.5. Further, the enzymatic activity is reduced by at most 10% in the presence of 50 millimoles (mM) of galactose and glucose, respectively.