Thermostable strains of the genus thermus capable of producing a

Details Thermostable strains of the genus thermus capable of producing a Thermostable strains of the genus thermus capable of producing a

1993-10-28

1995-07-11

Naff, David M.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

435 99, 435170, 435207, 435822, C12N 120, C12P 1914

Patent

active

054320780

ABSTRACT:
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.

REFERENCES:
patent: 4442214 (1984-04-01), Morgan et al.
patent: 4861718 (1989-08-01), Hirata et al.
patent: 4895801 (1990-01-01), Kan et al.
patent: 5283189 (1994-02-01), Takase et al.
Japanese Abstract 56-154991, beta-Galactosidase, Nov. 1981, Kaoru Fukuda, p. 1--complete ref. on order.
Journal of Bacteriology, May 1972, pp. 691-698, 1972, "Induction and Characterization of .beta.-Galactosidase . . . ", Ulrich et al.

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