Chemistry: molecular biology and microbiology – Spore forming or isolating process
Patent
1979-08-08
1981-01-27
Penland, R. B.
Chemistry: molecular biology and microbiology
Spore forming or isolating process
435832, C12N 300
Patent
active
042476445
ABSTRACT:
Crystal-enriched suspensions are derived from sporulated cultures of Bacillus thuringiensis by a foam flotation process in which added gelatin causes the spores to be selectively entrained in the foam and thereby separated from the suspensions.
REFERENCES:
patent: 3075887 (1963-01-01), Silliker et al.
patent: 3087865 (1963-04-01), Drake et al.
Truskov "Isolating Pure Inclusion Produced in Cultures of Bacillus Thuringiensis", Cited in Chemical Abstracts, vol. 72 (1970), Abstract No. 77484e.
Kirk-Othmer, "Encyclopedia of Chemical Technology", Interscience Publishers, vol. 9, Second Edition, 1969, pp. 884 and 893-896.
Angus, "Separation of Bacterial Spores & Parasporal Bodies with a Fluorocarbon", J. Insect. Path., vol. 1, pp. 97-98 (1959).
Bateson, "Isolation of Crystalline Parasporal Bodies of Bacillus thuringiensis", Nature, vol. 205 (1965), pp. 622-623.
Pendelton, "Separation of the Spores & Crystals of B. thuringiensis", Nature, vol. 212 (1966), pp. 180-184.
Gingrich", "Flotation Procedure for Producing Spore Free Crystals", J. Invertebr. Path, vol. 10, (1968), pp. 180-184).
Fast., "The S-Endotoxin of B. thuringiensis III Rapid Method for Separating Parasporal Bodies from Spores", J. Inverteb Path, vol. 20 (1972), pp. 139-140.
Sharpe et al., "Separation of Spores & Parasporal Crystals of B. thuringiensis in Gradients of Certain X-ray Contrast agents", Appl. Environ. Microbiol., vol. 30 (1975), pp. 1052-1053.
Milore et al., "B. thuringiensis S. Endotoxin: Improved Technique for Separating Crystals from Spores", J. Invertebr. Path, vol. 29 (1977), pp. 230-231.
Herman Alberta I.
Sharpe Eugene S.
Toolan Susanne C.
McConnell David G.
Penland R. B.
Ribando Curtis P.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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