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US 2016/0108438 A1Published application
Novel sucrose unassimilating flocculent yeast
AssigneeAsahi Group Holdings, Ltd.
InventorsTakayuki MASUDA, Taku KATO
Life of this patent
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Abstract
An object of the present invention is to provide a sucrose unassimilating yeast which has a flocculation ability and has much of a proven performance of food production. The present invention pertains to a yeast strain expressed by accession number: NITE BP-1587.
Claims15
A yeast strain expressed by accession number:
- NITE BP-1587.
A yeast strain expressed by accession number:
- NITE BP-1588.
(canceled)
A yeast strain obtained by a breeding method comprising:
- subjecting a yeast strain expressed by accession number NBRC 10055 and a yeast strain expressed by accession number NITE BP-1589 to spore isolation to acquire an isolated spore showing type a or type α as a mating type;
- mating the isolated spore of NBRC 10055 and the isolated spore of NITE BP-1589 which have different mating types to create a mated strain;
- carrying out, as for the created mated strain, tetrad dissection to acquire an isolated spore;
- and
- screening the obtained isolated spore to select a strain having a character of a sucrose unassimilating property and flocculation.
2 more elements
A method of breeding yeast strain comprising:
- subjecting a yeast strain expressed by accession number NBRC 10055 and a yeast strain expressed by accession number NITE BP-1589 to spore isolation to acquire an isolated spore showing type a or type α as a mating type;
- mating the isolated spore of NBRC 10055 and the isolated spore of NITE BP-1589 which have different mating types to create a mated strain;
- carrying out, as for the created mated strain, tetrad dissection to acquire an isolated spore;
- and
- screening the obtained isolated spore to select a strain having characters of a sucrose unassimilating property and flocculation.
2 more elements
Dependencies are inferred from the claim text.