A kind of Bacillus subtilis 7k and its application

A technology of Bacillus subtilis and microbial strains, applied in the fields of application, bacteria, antibacterial drugs, etc., can solve the problem that it is difficult to distinguish virus infection and bacterial infection in time, lack of effective weapons for virus infection, and it is difficult to reduce farmers' concerns about antibiotics and illegal drugs. Substance Abuse and Other Issues
CN107858302BActive Publication Date: 2020-07-28SOUTH CHINA AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTH CHINA AGRI UNIV
Publication Date
2020-07-28

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Abstract

The invention discloses a Bacillus subtilis 7K and application thereof. Bacillus subtilis (Bacillus subtilis) 7K of the present invention is preserved in the Guangdong Microbial Culture Collection Center, the preservation number is GDMCC No: 60226, and the preservation address is 5th Floor, Building 59, Compound, No. 100 Xianlie Middle Road, Guangzhou City, and the preservation date is 2017 August 31st. Bacillus subtilis (Bacillus subtilis) 7K of the present invention has the characteristics of extreme environments such as resistance to 100°C high temperature, low pH resistance, bile salt resistance, and gastrointestinal digestive enzyme resistance, and it is confirmed by experiments that the Bacillus subtilis obtained by screening in the present invention ( Bacillus subtilis) 7K new strain can promote the growth of aquatic animals and regulate the expression of various immune genes, and can also inhibit the growth of various aquatic animal pathogenic bacteria, thereby improving the ability of aquatic animals to resist pathogenic infection, and has a good application prospect and market value.
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Description

technical field

[0001] The invention belongs to the technical field of fisheries and microbiology, more specifically, the invention relates to the isolation and identification of a new bacterial strain of Bacillus subtilis (Bacillus subtilis) 7K with the effect of disease-resistant probiotics, which can promote the growth of aquatic animals and regulate The expression of various immune genes can also inhibit the growth of various aquatic animal pathogenic bacteria, thereby improving the ability of aquatic animals to resist pathogenic infection. Background technique

[0002] According to the UN Food and Agriculture Organization's survey on the status of the global aquatic industry, in 2014 the global fishery produced a total of 167,200,000 tons of fish and generated a trade value of nearly 148 billion US dollars. This also means that people's consumption of aquatic products has reached an unprecedented high value (Fisheries F A O. The state of world fisheries and aquaculture2...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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