Rhodopseudomonas sphaeroides as well as microecological preparation and application thereof

By browsing and optimizing the fermentation conditions, the new strain of Pseudomonas spherical spherical strains increased its coenzyme Q10 content and preparing microecological preparations for shrimps, solving the health threat caused by deterioration of water quality in shrimp farming, and significantly improving the survival rate and resistance of shrimps.

CN119685188AActive Publication Date: 2025-03-25FUJIAN DABEINONG AQUATIC PROD TECH CO LTD +1
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Patent Information

Application Number
CN202311235357.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-25
Publication Date
2025-03-25
Estimated Expiration
2043-09-25

AI Technical Summary

Technical Problem

The problem of ammonia nitrogen and nitrite exceeding the standard caused by insufficient dissolved oxygen in water and deterioration of water quality in South American white shrimp farming seriously threatens the health and survival of aquatic animals.

Method used

By bred a new strain of Pseudomonas spherical spherical with high yield of Coenzyme Q10, CGMCC No. 27269, and by optimizing the fermentation medium, the content of Coenzyme Q10 in its fermentation broth is increased. It is used to prepare microecological preparations and stirred into shrimp feed.

Benefits of technology

This strain can significantly enhance shrimp's resistance to adverse environments such as ammonia nitrogen, nitrite, hypoxia, and low salt stress, and improve the survival rate of breeding and transportation.

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Abstract

The invention discloses a Rhodopseudomonas sphaeroides capable of producing coenzyme Q10 at high yield. Belongs to the technical field of microorganism application, and particularly relates to rhodopseudomonas sphaeroides and a microecological preparation and application thereof. According to the invention, a strain of Rhodopseudomonas sphaeroides for producing coenzyme Q10 is taken as an original strain, and is subjected to ultraviolet mutagenesis treatment to obtain a strain of which the yield of coenzyme Q10 is remarkably improved. After the culture medium is optimized, the content of the coenzyme Q10 in the fermentation liquor reaches 505mg / L. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.27269. When fermentation liquor of the strain is mixed with feed to feed penaeus vannamei, the capability of resisting ammonia nitrogen, nitrite, oxygen deficit and low-salt environment stress can be enhanced, and the survival rate of cultivation and transportation is increased.
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