14 results about "Rhodotorula" patented technology

This invention relates to a high-yield coenzyme Q method. 10 The establishment and application of *Rhodotorula globulinii* strains. Compared to rational metabolic engineering, the coenzyme Q of this invention... 10 High-yielding Rhodopseudomonas aeruginosa bacteria were used as a template by the global regulatory factor prrA gene. Through directed evolution, different mutant strains were constructed, and combined with high-throughput screening methods, coenzyme Q was achieved. 10 Increased yield. This invention starts from global regulatory factors and leverages complex intracellular regulatory mechanisms to achieve fine-grained global regulation under minute genomic perturbations, providing a new approach for the engineering modification of strains.

The application discloses a kind of biological inoculums for improving fermentation environment of waste pool of waste incineration plant, solve high kitchen garbage heavy metal pollution problem.It uses "functional strain + kitchen waste oil modified biochar carrier" collaborative design, functional strain includes Yarrowia lipolytica, Aspergillus oryzae, salt-tolerant lactic acid bacteria and Rhodotorula, Rhodotorula can efficiently passivate Pb 2+ , Cd 2+ , strain synergistic degradation of oil and starch.Application of percolate soluble heavy metal content reaches standard, reduces heavy metal treatment reagent dosage 25%-30%, reduces fly ash "hazardous waste" disposal ratio, realizes fermentation improvement and heavy metal passivation integration, with environmental protection and economic benefits.

The present application belongs to the technical field of red claw crayfish breeding, and particularly relates to a fermented feed for improving the quality and immunity of red claw crayfish and a preparation method thereof. The fermented feed for improving the quality and immunity of red claw crayfish is prepared by fermenting the following raw materials in parts by weight: 15-25 parts of imported fish meal, 12-20 parts of fermented soybean meal, 5-8 parts of shrimp shell powder, 3-6 parts of spirulina powder, 5-10 parts of corn gluten meal, 10-15 parts of high-gluten flour, 3-5 parts of yeast extract, 2-4 parts of soybean phospholipid, 3-5 parts of fish oil, 1-2 parts of calcium dihydrogen phosphate, 1-2 parts of multi-vitamin and multi-mineral, 0.1-0.3 parts of beta-glucan, 2-5 parts of compound probiotic fermentation agent, and 32-40 parts of water. The compound probiotic fermentation agent is prepared by mixing Haematococcus pluvialis, Bacillus circulans and marine Rhodotorula in a mass ratio of 3-5:3-4:2-3. The fermented feed of the present application can significantly improve the body color, muscle quality and immunity of the crayfish.

This invention discloses a Tericola Pichia pastoris strain LM31 and its application in improving the flavor of fermented coffee, belonging to the field of coffee processing technology. The Tericola Pichia pastoris strain LM31 has the accession number CGMCC No. 39132 at the China General Microbiological Culture Collection Center. Strain LM31 exhibits strong ability to produce esterase A, esterase B, and β-D-glucosidase. In the fermentation production of Robusta coffee beans, strain LM31 can effectively overcome the inherent flavor defects of Robusta coffee beans and improve their sensory quality. Through the use of screened functional strains, it achieves efficient and targeted conversion of flavor precursors and, in conjunction with ultrasonic treatment, enhances the accessibility of fermentation substrates, thereby improving the flavor quality of the final product and imparting an ideal floral and fruity aroma to the coffee. This invention is suitable for industrial production and market application.

This invention discloses a sugar transporter gene. RkMAL1 Its nucleotide sequence is shown in SEQ ID NO:1, and the amino acid sequence encoded by this gene is shown in SEQ ID NO:2. This invention utilizes *Rhodotorula rubrum* (…). Rhodosporidium kratochvilovae Glycotransporter gene isolated from ) RkMAL1 uridine diphosphate glucose pyrophosphorylase RkUGPP After ligating the two components to a vector, they were transferred into *Rhodotorula rubrum* to achieve gene transfer. RkMAL1、 Gene RkMAL1+RkUGPP Overexpression of the gene significantly improves the synthesis efficiency of extracellular polysaccharides in recombinant strains. This invention provides a new method for producing extracellular polysaccharides, which is simple, easy to operate, and offers good application prospects for the large-scale production of extracellular polysaccharides.

The application discloses a strain of Rhodotorula mucilaginosa and application of the strain in cider fermentation, and belongs to the technical field of microbial fermentation. The Rhodotorula mucilaginosa CXY1113 is obtained by separation from natural fermentation cider, the strain can tolerate low-pH acidic environment, can utilize malic acid as a carbon source, and reduce the content of malic acid. Compared with single fermentation of Saccharomyces cerevisiae, the application of the Rhodotorula mucilaginosa CXY1113 in cider production can improve the brightness of fruit wine, enhance the antioxidant activity, reduce the content of malic acid, acetic acid and succinic acid in the cider, improve the content of flavor compounds such as ethyl phenylacetate and isoamyl alcohol, the obtained cider has rich and mellow aroma, high quality, coordinated taste, and gives the cider more mellow floral and fruity aroma. The application has important significance for improving the taste and flavor of fruit wine and improving the quality of fruit wine.

This invention discloses a type of aquatic feed yeast, *Rhodotorula buergerianum*, and its application in aquaculture, relating to the field of microbial technology, specifically to a type of *Rhodotorula buergerianum* Ho7-3 (… Rhodotorula toruloides Ho7-3 can be applied in aquaculture, and it can enhance the activity of intestinal digestive enzymes, immune response and antioxidant defense system in fish, thus significantly improving the growth performance of farmed fish.

The application discloses a rhodotorula mucilaginosa Rhodotorula toruloides OMK-105 and application thereof, which was preserved in China Center for Type Culture Collection on December 18, 2025, and the preservation number is CCTCC NO: M20252957. Rhodotorula toruloides OMK-105 can significantly improve the accumulation ratio of DTA in total oil, optimize the metabolic pathway, make the production process more economical and sustainable, and reduce by-product generation.

This invention discloses an agent for enhanced remediation of lead pollution, its preparation method, and remediation method. The agent comprises 15-20% Penicillium chrysogenum, 10-15% Rhodotorula rubrum, 25-30% hydroxyapatite, 5-8% sodium alginate, 10-15% modified crab shell powder, and the balance being water. The preparation method includes: S1, pretreatment; S2, agent compounding and molding; S3, solidification treatment. The enhanced lead pollution remediation agent prepared by this invention can complete the remediation of contaminated soil within 7 days, reducing Pb levels. 2+ The concentration is reduced by more than 93%; and after 6 months of natural aging, the conversion rate of fixed lead is less than 5%, demonstrating highly efficient lead repair capabilities and long-lasting repair effects.

This invention provides a compound microecological preparation for enhancing the intestinal function of marine fish, its preparation method, and its application, belonging to the technical field of aquatic feed additives. The compound microecological preparation of this invention includes a carrier, traditional Chinese medicine extracts, and a compound bacterial flora; the traditional Chinese medicine extracts consist of seaweed extract, *Anemarrhena asphodeloides* extract, and *Eucommia ulmoides* leaf extract, with their total content accounting for 10-20% of the total weight of the compound microecological preparation; the compound bacterial flora consists of *Rhodopseudomonas palustris*, *Rhodotorula rubra*, and *Clostridium butyricum*, with a total viable count ≥15 billion CFU / g of the compound microecological preparation. This invention, through the scientific combination of traditional Chinese medicine extracts and the compound bacterial flora, effectively solves the intestinal health problems of marine fish, while simultaneously promoting growth and improving meat quality.

The application discloses a Streptomyces globisporus mutant gouC and an application thereof, and belongs to the technical field of genetic engineering. The Streptomyces globisporus mutant gouC is obtained by overexpressing a gouC gene, and the nucleotide sequence of the gouC gene is shown as SEQ ID NO. 3. The Streptomyces globisporus mutant gouC provided in the application can increase the production of gougerotin to 2.23 g / L. The application also provides an application of the Streptomyces globisporus mutant gouC in fermentation production of gougerotin. In addition, the fermentation product of the Streptomyces globisporus mutant gouC has significant bacteriostatic activity on Rhodotorula, and is suitable for application in the fields of agriculture and medicine.

The application discloses a strain of Rhodotorula mucilaginosa, a fermentation product filtrate thereof and a biological product thereof, and belongs to the technical field of microorganisms. The application obtains a strain of Rhodotorula mucilaginosa BTN-HB-L28 from an artemisia vulgaris in Lijiang, Yunnan, and the strain can be used in the field of cosmetics, has the effects of resisting skin oxidation, resisting aging, repairing skin and soothing, and can be used as an active substance in skin care products. The fermentation product filtrate of the strain has excellent HAS inhibiting capacity, can significantly inhibit the expression of matrix metalloproteinase 3, can significantly promote the proliferation of fibroblasts under various concentrations, can significantly down-regulate the proportion of SA-beta-Gal positive cells under various concentrations, has the effect of resisting aging, has significant DPPH and ABTS free radical scavenging capacity, has good antioxidant effect, and can significantly inhibit the secretion amount of cell inflammatory factors NO, IL-6 and TNF-alpha, and has good soothing effect.

This invention provides a method for modifying *Rhodotorula sacchari*. SACE_7158 A method to increase erythromycin production through gene editing involves knocking out *Rhodotorula sacchariformis* strain A226. SACE_7158 Genes were used to obtain a mutant strain of *Rhodotorula sacchari* that produces high levels of erythromycin, and the resulting strain was used for fermentation to produce erythromycin. SACE_7158 The gene sequence is shown in SEQ ID NO.1. This invention also provides... SACE_7158 Application of gene knockout-type *Rhodotorula glycopyrrolizum*. The advantages of this invention are: the discovery of a novel negative regulatory transcription factor, SACE_7158, involved in erythromycin biosynthesis, and the elimination of this gene knockout gene in the A226 genome of *Rhodotorula glycopyrrolizum*. SACE_7158 SACE_7158 A genetically engineered strain that produces high levels of erythromycin has been developed, providing technical support for increasing erythromycin yield in industrial production.