Saccharomycetes for producing cellulase at low temperature and screening method thereof

A technology of cellulase and yeast, which is applied in the field of microbiology, can solve the problems that the screening method has not been reported, and achieve the effect of improving the micro-ecosystem, enhancing air permeability, and low cost
CN110564631AActive Publication Date: 2019-12-13LIAONING ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
LIAONING ACAD OF AGRI SCI
Publication Date
2019-12-13

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Abstract

The invention relates to saccharomycetes for producing cellulase at low temperature and a screening method of the saccharomycetes, the saccharomycetes comprise saccharomycetes, a preservation institution is China General Microbiological Culture Collection Center, a preservation number is CGMCC No.18002, and a preservation date is June 19th, 2019. The efficient low-temperature cellulase saccharomycetes are separated and screened from soil in different low-temperature regions, and the saccharomycetes are biologically characterized in that the saccharomycetes are milk-white round bacterial colonies on a potato glucose culture medium, are slightly dry in surfaces, thick in bacterial colonies and easy to pick up, and have wine fragrance, which present typical saccharomycetes bacterial colonies;and the influence of conditions such as temperature, carbon source, nitrogen source, pH and the like on cellulase is studied. By applying the method to straw returning in a northeast low-temperaturecold region, the influence of straw incineration in the northeast region on the environment is reduced, and a solid foundation is laid for agricultural sustainable development.
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Description

Technical field

[0001] The invention relates to a low-temperature cellulase-producing yeast and a screening method thereof, belonging to the field of microbiology. Background technique

[0002] Low-temperature microorganisms refer to groups of microorganisms that have the ability to grow and reproduce in a low-temperature environment, and they grow and reproduce in various low-temperature environments. According to the selection of the growth temperature of microorganisms, low-temperature microorganisms are divided into two categories, psychrophilic and psychrophilic microorganisms. Among them, psychrophilic microorganisms can grow and reproduce, and the optimum temperature is about 15โ„ƒ, which can survive. The temperature is about 20โ„ƒ; cold-tolerant microorganisms are microorganisms whose survival temperature is about 0โ„ƒ and the optimal temperature for growth and reproduction is about 20โ„ƒ. There are very rich microbial resources and low-temperature microbial resources in the bio...

Claims

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