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2 522 811

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IPC

C12N1/20(2006-01-01)

A01K67/33(2006-01-01)

A01N63/00(2006-01-01)

(21) (22)

Application

2012144595/10, 2012-10-11

(24)

Start date

2012-10-11

(22)

Actual filing date

2012-10-11

(45)

Published

2014-07-20

(72)

Inventor

Danilov Leonid Grigor'EvichAjrapetjan Vladimir GrantovichNashchekina Tat'Jana Jur'Evna

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Vserossijskij Nauchno-Issledovatel'Skij Institut Zashchity Rastenij Rossijskoj Akademii Sel'Skokhozjajstvennykh Nauk

METHOD OF PREPARING SYMBIOTIC BACTERIA OF GENUS Xenorhabdus, ISOLATED FROM NEMATODES OF GENUS Steinernema feltiae protense, FOR STORAGE Russian patent published in 2014 - IPC C12N1/20 A01K67/33 A01N63/00 

Abstract RU 2522811 C2

FIELD: biotechnology.

SUBSTANCE: method comprises growing in the nutrient medium of symbiotic bacteria of the genus Xenorhabdus, isolated from nematodes of the genus Steinernema feltiae protense. The culture of these symbiotic bacteria of the genus Xenorhabdus is mixed with the protective medium containing lactose, polyglucin, thiourea, ascorbic acid, dextrin and water in a ratio of 1:1-2. Freezing is carried out at -40°C followed by freeze-drying to a residual humidity of 3-5%.

EFFECT: invention enables to increase the shelf life of pure cultures of symbiotic bacteria.

3 tbl, 2 ex

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RU 2 522 811 C2

Authors

Danilov Leonid Grigor'Evich

Ajrapetjan Vladimir Grantovich

Nashchekina Tat'Jana Jur'Evna

Dates

2014-07-20—Published

2012-10-11—Filed

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