643 results about "Bacterial strain" patented technology

The invention relates to ice wine yeast with high fermentation activity and outstanding aroma-producing characteristics and application thereof. The ice wine yeast is yeast (Saccharomyces cerevisiae) YSL16010, and the bacterial strain has been preserved in China General Microbiological Culture Collection Center on April 18, 2016, with a preservation number of CGMCC No.12349. The bacterial strain YSL16010 is obtained by separating and screening Vidal grapes from a Huanren producing area of Liaoning at a temperature of 16 DEG C in a natural fermentation process, and the ice wine wine-making yeast having good making characteristics and highly producing esters is obtained through a series of screening and identifications and small pilot scale fermentation. The ice wine wine-making yeast YSL1610 highly producing esters is used for fermenting and producing ice wine, so that the yield of volatile acid is effectively controlled while the standards of the grape wine producing countries can be met, and therefore, the content of aromatic compounds such as esters is remarkably increased. The bacterial strain can be applied to ice wine brewing industry, and can play an important role in improving the quality of the ice wine and bringing advantages of the grape producing areas into play.

The invention discloses a Vinck Cellulomicrobe and application thereof in degradation of corn straw and improvement of soil fertility, and belongs to the field of agricultural microbial technology and solid waste resource utilization. The bacterial strain can secrete a plurality of hydrolase and oxidase including AA10 family lytic polysaccharide monooxygenase, AA2 peroxidase, GH3 and GH1 beta-glucosidase, GH16 / GH17 beta-glucosan endonuclease and AA1 multi-copper oxidase. The bacterial strain has the advantages that the bacterial strain can secrete a plurality of hydrolase and oxidase; fermentation liquor is applied to soil according to the straw mass ratio of 1: 5, and the corn straw degradation rate can be increased under the condition that the mass ratio of soil to straw is 100: 1. Meanwhile, the microbial agent can synergistically improve soil nutrients and increase the contents of rapidly available phosphorus, rapidly available potassium, alkali-hydrolyzable nitrogen, soluble organic carbon and total phosphorus in soil. According to the microbial agent, a straw lignocellulose structure is effectively cracked through a multi-enzyme system synergistic effect, and the dual effects of accelerating straw degradation and improving soil fertility are achieved.

The invention discloses a bacterial synbiotic beneficial to growth promotion of pasture in saline-alkali soil and application of the bacterial synbiotic. The bacterial synbiotic is a combination of bacterial strains NAU-RHO, NAU-MIC2 and NAU-FLA4 with 4-guanidinobutyric acid. The bacterial strains NAU-MIC2, NAU-FLA4, NAU-RHO are respectively classified and named as microbacterium laeviniform, Flavobacterium anhuiense and Rhodococcus oxyrhenium, and the research result shows that the bacterial synbiotics can be used for improving the salt tolerance and growth promoting effects of the bacteria on the medicago sativa and promoting the high yield of the medicago sativa in the saline-alkali soil.

The present invention relates to a fermentation product obtained by a fermentation process of at least one bacterial strain in the presence of at least one vegetable extract. The fermentation product of a bacterial may comprise alimentary and / or pharmaceutically acceptable components or comprised in medical food or nutritional composition. The fermentation product and is useful for the treatment and / or prevention of inflammatory diseases, in particular, inflammatory bowel disease.

The invention provides a single bacterium drug sensitivity detection method and system, and relates to the technical field of drug sensitivity detection.The single bacterium drug sensitivity detection method comprises the steps that a cultured to-be-tested strain is subjected to fluorescent staining and then mixed with an antibiotic solution, and a mixed solution is obtained; continuing the strain to be tested in the mixed solution through a structured light illumination microscope to obtain an original imaging sequence; reconstructing and preprocessing each original imaging sequence to obtain a processed imaging sequence, and then cutting out a single bacterium to be tested from each processed image in the processed imaging sequence to obtain a plurality of region-of-interest sequences; and inputting each region-of-interest sequence into a pre-trained evaluation model to obtain a detection result including drug resistance or susceptibility. The method has the beneficial effects that the method focuses on the early change of a subcellular structure before bacterial division, so that the detection time is greatly shortened; imaging acquisition and image processing and cutting are carried out on the single bacterium level, and the survival (drug resistance prompting) state and the non-survival (susceptibility prompting) state of single bacteria can be rapidly distinguished.

The invention discloses a conyza sumen biocontrol bacterium and application thereof, and relates to the technical field of weed biological control, the conyza sumen biocontrol bacterium has a strain number of SMBJC-3, is preserved in the China Center for Type Culture Collection, the preservation time is September 17, 2025, the preservation number is CCTCC NO: M 20252054, and the conyza sumen biocontrol bacterium is classified and named as Colletotrichum orbiculare. The conyza sativa biocontrol bacterium provided by the invention aims to provide a new resource and method for biological control of conyza sativa.

The invention belongs to the technical field of microbiology, and particularly relates to application of a high-cadmium-resistance strain Cd2 in promoting repair of heavy metal pollution of aster katsumadai. The invention relates to a strain Cd2 with high cadmium resistance, the taxonomic name of the strain Cd2 is Pseudomonas aeruginosa, and the preservation number of the strain Cd2 is GDMCC No.64110. The strain Cd2 has the advantages that the strain Cd2 has high cadmium resistance; according to the invention, screened strains are identified through morphological observation, gram staining and 16S rRNA (ribosomal Ribonucleic Acid) sequence sequencing, and a high-cadmium-tolerance strain Cd2 is inoculated into soil during the growth period of a hyperaccumulator Aster brachium, so that the influence of Cd2 on the growth and enrichment of the hyperaccumulator Aster brachium is researched. The result shows that when the high-cadmium-tolerance strain Cd2 is inoculated into the soil for planting the aster katsumadai, the cadmium absorption amount of the underground part and the overground part of the aster katsumadai and the cadmium accumulation amount of the whole plant are remarkably increased, and a technical support can be provided for strengthening hyperaccumulation plant remediation.

The present invention relates to microencapsulated preparations comprising biopesticide, bio-fungicide, and plant growth promoting agents and uses thereof, as well as to methods for controlling pests and for producing said preparations for managing insect pests. In particular, the invention relates to microencapsulated preparations comprising at least one insect-pathogenic (entomopathogenic) fungus selected from Metarhizium spp. and Beauveria bassiana, and at least one pathogenic Bacillus spp. bacterial strain, preparations and particles comprising these, their use on plant material, methods for controlling pests therewith, and processes for their production.

The invention discloses a high-industrial-property yarrowia lipolytica strain and application thereof, and belongs to the technical field of microbial engineering and fermentation. The mutant is derived from a natural bacterial strain of fermented vegetables, is obtained through high-throughput cell screening, has the advantages and characteristics of high salt resistance, low pH resistance, efficient utilization of an acetic acid substrate, high protein content, no need of vitamins for growth and the like, and is suitable for industrial production of microorganisms; the method can support efficient production of bio-manufactured products under strict conditions of acetic acid carbon source, no sterilization, no seawater, no vitamin and the like.

The present invention relates to bacterial strains for use in the treatment of vitamin D deficiency and / or insufficiency and / or diseases, symptoms and / or disorders associated thereto. Furthermore, the present invention relates to compositions comprising at least one of said bacterial strains and at least one vitamin D, preferably vitamin D3, and to the use thereof in the treatment of said vitamin D deficiency and / or insufficiency and / or diseases, symptoms or disorders associated thereto.

The invention discloses milk skin flavored yogurt and a preparation method thereof, and belongs to the technical field of fermented milk. The milk skin flavored yogurt comprises the following raw materials in parts by mass: fresh milk, white granulated sugar, single cream powder, sweetened condensed milk and the like. The preparation method comprises the following steps: heating the raw milk to 50-60 DEG C, adding the white granulated sugar and the like, stirring, adding the single cream and the like, and mixing to obtain a fermentation base material; carrying out homogenization treatment on the fermentation base material accounting for 45%-55%, and mixing the homogenized fermentation base material and the non-homogenized fermentation base material; activating the strain of lactic acid bacteria, inoculating the activated lactic acid bacteria into the cooled fermentation base material, and stirring; and heating the inoculated material to 40-45 DEG C, carrying out filling treatment after heating, and fermenting the filled base material at 41-45 DEG C to obtain the milk skin flavored yogurt. The milk skin of the milk skin flavored yoghurt disclosed by the invention is moderate in thickness and fine and smooth in mouth feel.

The invention relates to the technical field of microorganisms, in particular to a lactobacillus plantarum strain LM2 and application of the lactobacillus plantarum strain LM2. The strain has relatively high GABA (gamma-aminobutyric acid) production capacity and nitrite degradation capacity, has a bacteriostatic effect on intestinal pathogens such as staphylococcus aureus, salmonella enteritidis, listeria monocytogenes and campylobacter jejuni, has a good bacteriostatic function, also has good acid resistance and cholate resistance, and can be used for preparing a bacterial strain for treating intestinal diseases. The strain can well survive in artificial intestinal juice and artificial gastric juice; in order to increase the yield of GABA, the accelerant capable of remarkably promoting the growth of the strain LM2 is obtained by researching the accelerant, and the highest survival rate of the freeze-dried powder prepared by optimizing the accelerant and the freeze-dried powder can reach 99% or above, the nitrite degradation rate can reach 99% or above, the yield of GABA is increased to 3.0 g / L or above, and the freeze-dried powder is bacterial powder capable of being widely applied.

The invention relates to the technical field of biology, in particular to a recombinant strain for producing glucuronic acid and application of the recombinant strain. The invention provides a recombinant strain for producing glucuronic acid, and the recombinant strain does not express uronic acid isomerase and overexpresses inositol oxidase. The technical scheme of the invention has the following advantages: (1) uronic acid isomerase uxaC from escherichia coli K12 is knocked out, so that glucuronic acid accumulation is increased; and (2) successfully integrating the target gene of the inositol oxidase from the mouse into the escherichia coli K12MG1655. And (3) when the engineering strain is used for catalyzing inositol, the content of glucuronic acid in a system after the reaction is finished is 52.50 g / L, and the conversion rate is as high as 97.23%.

The invention discloses issatchenkia orientalis and application thereof. Relates to the technical field of fermentation. The invention provides a specific strain and application thereof in reconstituted tobacco. According to the tobacco leaf extracting solution fermented by the bacterial strain, the content of esters such as 2, 2, 4-trimethylpentanediol isobutyl ester, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, tributyl phosphate and methyl palmitate is remarkably increased, eight novel ester substances with the characteristic aroma such as fruit aroma and rosin are newly generated, and the tobacco leaf extracting solution has the advantages that the content of the esters such as the 2, 2, 4-trimethylpentanediol isobutyl ester, the 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, the tributyl phosphate and the methyl palmitate is increased; and the whole fragrance style is obviously enhanced. It is shown that the aroma-producing issatchenkia orientalis IO-1 fermented tobacco leaf extracting solution has good aroma-producing capacity, and through the combined effect of enzymolysis and fermentation, the extracting solution is expected to play an important application value in the field of reconstituted tobacco leaf raw material quality improvement.

The invention discloses a bacterial strain for broad-spectrum degradation of organic pollutants and application of the bacterial strain, the bacterial strain is classified and named as Acinetobacter venetianus, the bacterial strain number is GXGD-YZ-2508, the bacterial strain is preserved in Guangdong Microbial Culture Collection Center on August 27, 2025, the preservation number is GDMCC No: 66869, and the preservation address is the fifth floor, No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou City, Guangdong Province. The strain can grow under the condition that the salinity is 3wt%, can efficiently degrade 4-ethylphenol (4-EP), 2, 4-di-tert-butylphenol (2, 4-DTBP) and terephthalic acid (PTA), is suitable for biological treatment of aromatic pollutant-containing wastewater such as refining wastewater and PTA production wastewater, and has the advantages of high treatment efficiency, strong environmental adaptability and the like. The invention provides a novel microbial resource and an effective technical support for biological treatment of refractory aromatic pollutants, and has a wide application prospect.

The invention relates to a composite flora for treating benzotriazole wastewater. According to the present invention, a strain composition is provided, and the strain composition comprises the following strains: (a) Bacillus altitudinis SD1 having a preservation number of CGMCC 37186, (b) Aquammicrobe defluvii SD4 having a preservation number of CGMCC 37187, and (c) Pseudomonas aeruginosa SD32 having a preservation number of CGMCC 37189, and the strain composition comprises the following strains: (a) Bacillus altitudinis SD1 having a preservation number of CGMCC 37186, (b) Aquammicrobe defluvii SD4 having a preservation number of CGMCC 37187, and (c) Pseudomonas aeruginosa SD32 having a preservation number of CGMCC 37189.

The invention provides a P.megatherium Thr45 strain and an application thereof. The preservation number of the Thr45 strain is GDMCC No: 67316. The P.megatherium Thr45 strain has the advantages that the preservation number is CGMCC No: 67316; the application of the P.megatherium in the prevention and treatment of the growth of the Orobanche cucurbitae is reported for the first time, and the types of bacterial strains for preventing and treating the Orobanche cucurbitae are enriched. According to the application of the Pristia megaterium Thr45 provided by the invention in preventing and treating the growth of the Orobanche cucurbitae, the inhibition rate of the separated strain fermentation liquor on the seed germination of the Orobanche cucurbitae is as high as 100%, and the application has a wide application value in biological prevention and treatment of the Orobanche cucurbitae.

The application discloses a method for preparing lactic acid by using a combined strain, and belongs to the technical field of microbial fermentation. Bacillus subtilis The combined strain comprises Bacillus subtilis Lactiplantibacillus pentosus LB9.The method for preparing lactic acid comprises the following steps: (1) preparing raw materials and strains, wherein the raw materials are white spirit lees; (2) mixing Bacillus subtilis and Lactobacillus pentosus after being activated respectively to form a combined strain, inoculating the combined strain into a culture medium taking the white spirit lees as the only fermentation substrate and without adding exogenous enzyme preparations and exogenous auxiliary materials, and performing fermentation; in the fermentation process, a staged oxygen supply strategy is adopted, namely, performing aerobic fermentation first and then performing anaerobic fermentation; and (3) collecting lactic acid from a fermentation product.The application realizes high-value utilization of lignocellulose waste, effectively coordinates metabolic conflicts among strains, and solves the problem of efficient conversion of lignocellulose lees into lactic acid.

The invention belongs to the technical field of strain identification and drug sensitivity detection, and discloses a strain identification and drug sensitivity detection kit and a preparation method and application thereof, the kit comprises a drug sensitivity disc, a pre-enrichment chromogenic culture medium, a chromogenic culture medium, sterile water and a diluent; the drug sensitive disc body comprises an enterobacteriaceae area, an enterococcus area, a staphylococcus area, a pseudomonas aeruginosa area and an acinetobacter baumannii area; the enterobacteriaceae area is provided with enterobacteriaceae identification culture medium micropores and drug micropores, the enterococcus area is provided with enterococcus identification culture medium micropores and drug micropores, the staphylococcus area is provided with staphylococcus identification culture medium micropores and drug micropores, and the pseudomonas aeruginosa area is provided with pseudomonas aeruginosa identification culture medium micropores and drug micropores. An acinetobacter baumannii identification culture medium micropore and a medicine micropore are matched in the acinetobacter baumannii area; the problems that an existing drug sensitivity test mode is complex in operation, high in cost and low in accuracy of identification and detection results are solved.

This invention belongs to the field of functional food processing technology, specifically relating to a method for improving the flavor of a chlorophyll-deficient Chlorella proteoglycan mutant. The method includes the following steps: S1, obtaining a Chlorella proteoglycan mutant strain; S2, centrifuging the Chlorella proteoglycan mutant strain and collecting the algal sludge, then pulverizing the collected algal sludge and dispersing it in water to obtain an algal powder suspension, then adding a compound enzyme to the algal powder suspension, and inactivating the enzyme after the reaction; S3, cooling the system to room temperature, adding glucose and stirring to dissolve, sterilizing, inoculating with a compound bacterial strain and fermenting, and sterilizing again after fermentation; S4, cooling the fermented system to room temperature, then adding β-cyclodextrin and stirring, and drying the system after stirring to obtain the algal protein product. This invention employs a synergistic process of compound enzymatic hydrolysis, compound bacterial fermentation, and β-cyclodextrin encapsulation to remove the off-flavor of the mutant algae from the source, significantly improving the flavor and enhancing the product's storage stability.

The utility model discloses a DNA watermark encryption storage rack for strain protection, and relates to the field of strain storage equipment, the DNA watermark encryption storage rack comprises a storage rack body, a box body is installed in the storage rack body, a DNA watermark encryption module is installed in the box body, an alarm assembly is installed at the top of the storage rack body, and the storage rack body is connected with the box body. The alarm assembly comprises a monitoring alarm system, a controller and an alarm, the monitoring alarm system is installed on the top of the storage rack body and connected with the DNA watermark encryption module, the controller is installed on the front face of the monitoring alarm system, and the alarm is installed on the top of the monitoring alarm system. According to the utility model, the DNA watermark encryption module gives specific DNA watermark information to the security lock and is bound with a storage position, when access is carried out, the operation is controlled by verifying the DNA watermark information and the authorization of the security lock system, and the alarm system is started in case of abnormity.

The invention discloses a probiotic strain Bifidobacterium animalis subsp. Lactiss S8 of a high-yield biological membrane, the preservation number is GDMCC NO.66518, the characteristics of the stable high-yield biological membrane are obtained through directional screening and adaptive evolution, and the yield of the biological membrane is three times higher than that of a positive control. The extracellular polymeric substance (EPS) of the strain can significantly enhance the tolerance of the strain to severe environments such as gastric acid, cholate and the like, and improve the intestinal colonization ability. Experiments prove that the strain remarkably reduces two liver function indexes, namely ALT and AST, in an animal model, and shows that the strain has a certain effect of improving liver injury.

The application discloses a high-salt-resistant denitrifying bacterial strain and a microsphere preparation thereof, a preparation method and application thereof, relates to the technical field of environmental microorganisms and wastewater biological treatment. Pseudomonas sp. The classification name of the strain is Pseudomonas sp., the preservation number is CGMCC No. 36626, the strain is preserved in the China General Microbiological Culture Collection Center, and the preservation date is November 14, 2025. The preparation method of the microsphere preparation containing the strain comprises the following steps: carrying out strain amplification culture to obtain a bacterial liquid, mixing the bacterial liquid with porous starch and a protective agent, then performing vacuum freeze drying to obtain bacterial powder, and then mixing the bacterial powder with a sodium alginate solution, and dropping the mixture into a calcium chloride solution to obtain the microsphere preparation. The microsphere preparation can maintain a nitrate nitrogen removal rate of more than 80% after being stored at-18 to-22 DEG C or 20 to 25 DEG C for 28 days, and can be used for denitrification and nitrogen removal of low-carbon-nitrogen-ratio and high-salt wastewater (such as urine wastewater in a closed circulation system).

A process for the co-production of proteins and biomethane comprising at least the steps of: producing biogas by methanation of methanogenic inputs, separating the biogas produced into biomethane and a carbon dioxide-rich stream containing at least 93 mol% carbon dioxide and up to 7 mol% methane, introducing the carbon dioxide-rich stream into a reactor comprising at least one bacterial strain and an aqueous culture medium, and culturing said at least one bacterial strain in said reactor to obtain a biomass comprising proteins.

The invention discloses an Apiotrichum loubieri gene and an application of the Apiotrichum loubieri gene. Relates to the technical field of fermentation. The invention provides a specific strain and application thereof in reconstituted tobacco. According to the tobacco leaf extracting solution fermented by the bacterial strain, the content of esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, dimethyl phthalate, tributyl phosphate, dihydroactinidiolide and methyl palmitate is remarkably increased, and the content of the esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, dimethyl phthalate, tributyl phosphate, dihydroactinidiolide and methyl palmitate is remarkably increased; nine novel ester substances with aromatic smell, fruit fragrance, flower fragrance and other characteristic aromas are newly generated, and four phenolic aroma components are newly added. And the whole fragrance style is obviously enhanced. It is shown that the aroma-producing Apiotrichum loubieri AL-4 fermented tobacco enzyme extracting solution has good aroma-producing capacity, and through the combined effect of enzymolysis and fermentation, the aroma-producing Apiotrichum loubieri AL-4 fermented tobacco enzyme extracting solution is expected to play an important application value in the field of reconstituted tobacco raw material quality improvement.

According to the technical scheme, the strain bottling machine is characterized by comprising a strain bottle conveying mechanism, a loading mechanism, a compaction mechanism, a bottle opening plugging mechanism and a capping mechanism, the strain bottle conveying mechanism comprises a plurality of conveying rollers and a conveying frame borne on the conveying rollers, and a plurality of strain bottles are placed in the conveying frame; the charging mechanism comprises a material storage box, a quantifying device and a charging pipe, the material storage box is used for storing strain materials, the quantifying device is used for conveying the strain materials in the material storage box into the charging pipe according to the set amount, and a charging pipe cleaning rod is arranged above the charging pipe; and the material in the material charging pipe is filled into the strain bottle by the material charging pipe cleaning rod. According to the automatic bottling device, automatic bottling of the strain materials can be achieved, the production efficiency is improved, and the problem that the strain materials with humidity and viscosity are difficult to be automatically bottled into narrow-mouth bottles is solved.

This invention belongs to the field of bioengineering and carbon one-carbon resource utilization technology, specifically relating to a bacterial strain that produces acetic acid and acetate through syngas fermentation, as well as its applications and methods. The strain is *Clostridium yongdarii* (…). Clostridium ljungdahlii SL40, deposited at the Guangdong Provincial Microbial Culture Collection Center (GDMCC No. 67679) on January 15, 2026, represents a strain that achieves highly efficient H2 / CO2 conversion in syngas, with a maximum CO2 utilization rate of 1.8 g / L / h. The anaerobic fermentation process produces zero pollutants, enabling resource utilization and carbon reduction of industrial waste gas, and providing a new technological pathway for carbon resource conversion.

Provided herein are compositions comprising one or more substantially pure strains of bacteria as well as methods of making and using the same to treat and / or prevent one or more lipid and / or insulin related disorders and to regulate or alter the metabolism of lipids and / or insulin in a subject in need thereof.

The invention discloses a proteophilic bacterium strain and application thereof, and relates to the technical field of wine brewing microorganisms. The proteiniphilum sp. Strain K 5-3-1 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on June 05, 2023, and the preservation number of the proteiniphilum sp. Strain K 5-3-1 is CGMCC NO.27523. The proteiniphilum sp. Strain K 5-3-1 has the advantages that the preservation number is CGMCC NO.27523; the new strain provided by the invention is separated from pit mud of a strong-flavor liquor pit, is high in acetic acid yield and can be applied to the field of liquor brewing.