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2 008 356

(13)

C1

(51)

IPC

(21) (22)

Application

5005777/13, 1991-10-15

(22)

Actual filing date

1991-10-15

(45)

Published

1994-02-28

(72)

Inventor

Burikov Eh.A.Zhdanova N.I.Kozyreva L.F.Gusjatiner M.M.Jasinovskij V.G.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij Institut Genetiki I Selektsii Promyshlennykh Mikroorganizmov

PROCESS OF PRODUCING L-SERINE Russian patent published in 1994 - IPC

Abstract RU 2008356 C1

FIELD: biochemical technology. SUBSTANCE: L-serine is produced from novel Brevibacterium flavum hybrid cell strains, BKПM B-5506 and B-5702. The strains are isolated from known Brevibacterium flavum strains BKПM B-2403, B-3559 and ATCC 14067 by protoplast fusion technique with subsequent postfusinal screening of L-serin superproducers. The Brevibacterium flavum strain BKПM B-5506 is resistant to rifampicin, streptomycin azaadenine, alfa-methylserine, O-methylserine and ethionine. The Brevibacterium flavum strains BKПM B-5702 is resistant to rifampicin, streptomycin, azaadenine, alfa-methylserine, O-methylserine, ethionine, canamycin as well as sulfaguanidine. EFFECT: high yield of L-serin. 1 ex

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RU 2 008 356 C1

Authors

Burikov Eh.A.

Zhdanova N.I.

Kozyreva L.F.

Gusjatiner M.M.

Jasinovskij V.G.

Dates

1994-02-28—Published

1991-10-15—Filed

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