22 results about "Alcaligenes faecalis" patented technology

The invention discloses alcaligenes faecalis X4 and application thereof, the strain is preserved in China Center for Type Culture Collection (CCTCC) on May 8, 2025, the address is Wuhan University, Wuhan, China, and the preservation number is CCTCC M 2025998. The degradation rate of the alcaligenes faecalis X4 to flumorph with the concentration of 50 mg / L exceeds 70% within 72 h, and the maximum tolerance concentration to cadmium is 120 mg / L. The strain provides powerful technical support for treatment of combined pollution of flumorph and cadmium, and has important significance for solving the problem of complex environmental pollution.

This invention discloses a creatine amidoside hydrolase mutant for creatinine detection, along with methods for selecting, purifying, and detecting the mutant site. The mutant is a single-point mutation of the wild-type full-length amino acid sequence of the creatine amidoside hydrolase protein (Af-CRE) from Alcaligenes faecalis. This invention utilizes machine learning-assisted site-directed mutagenesis to create a creatine amidoside hydrolase mutant with enhanced activity, obtaining a mutant enzyme with improved activity and certain thermostability. Furthermore, it provides methods for purifying and detecting the mutant, overcoming the shortcomings of existing creatine amidoside hydrolases with poor activity that cannot meet the requirements for reagent applications. This lays the foundation for further expanding the industrial applications of creatine amidoside hydrolases.

The present application relates to the technical field of fertilizer, in particular to a kind of microbial compound inoculant, method and application for promoting the fast maturation of organic fertilizer;The method of the present application comprises inoculating microbial compound inoculant formed by Brevundimonas AFB I, Alcaligenes faecalis AFB II and achromobacter AFB III to compost containing cow dung and corn straw, and carrying out fermentation under natural conditions, the effective bacteria number ratio of Brevundimonas AFB I, Alcaligenes faecalis AFB II and achromobacter AFB III in microbial compound inoculant is 1:1:1, and cow dung and straw are mixed according to dry weight 3:1;The microbial compound inoculant developed by the present application can significantly improve the degradation efficiency of organic waste, accelerate the composting process, shorten the composting period, and improve the stability and fertility of compost products, providing new technical support for the resource utilization of agricultural waste.

The invention discloses alcaligenes faecalis NRM3 and application of the alcaligenes faecalis NRM3 in prevention and treatment of tobacco root rot, and belongs to the technical field of biological prevention and treatment of tobacco diseases. The alcaligenes faecalis NRM3 is separated from tobacco, is a tobacco endophytic bacterium and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20251578. The alcaligenes faecalis NRM3 can effectively inhibit the growth of pathogenic bacteria of the tobacco root rot, can effectively prevent and treat the tobacco root rot, can remarkably reduce the morbidity and the disease index of diseased plants, also has a positive promotion effect on the germination and growth of tobacco seeds, and has good application potential in the tobacco industry.

This invention belongs to the field of microbial control technology, specifically relating to a biocontrol bacterium for soybean root rot, a microbial agent, its preparation method, and its application, which can improve soybean yield and oil content. The biocontrol bacterium is *Alcaligenes faecalis* (Factophytes). Alcaligenes faecalis A new strain, named GY16, was deposited at the China Center for Type Culture Collection (CCTCC) on November 12, 2025, with accession number CCTCC M 20252536. This alkali-producing bacterium, GY16, exhibits a specific affinity for soybean, enabling it to colonize soybean roots and effectively control soybean root rot. GY16 also promotes soybean plant growth, increases soybean yield, and improves seed oil content. Inoculants prepared using GY16 can replace pesticides, offering a green, environmentally friendly, and pollution-free alternative that positively contributes to building a sustainable farmland ecosystem.

The application discloses a method for high-efficiency degradation of high-salinity wastewater by salt-tolerant bacteria in a composite inorganic salt system, and relates to the technical field of biological treatment of high-salinity industrial wastewater.The method realizes directional strengthening of the salt-tolerant performance of three strains of Staphylococcus xylosus, Alcaligenes faecalis and Bacillus cereus by a gradient-increasing NaCl domestication method.Under the condition of 40-50 g / L high salinity, the growth amount of the domesticated strains is increased by 30-40% compared with that of the non-domesticated strains, effectively relieving the osmotic pressure stress and metabolic enzyme activity inhibition of the microorganisms in the high-salinity environment.Meanwhile, the composite salt-tolerant bacteria agent is compounded based on functional complementation, and the agent has the abilities of efficient denitrification, phosphorus removal and organic matter degradation, and can adapt to the composite inorganic salt system of NaCl, CaCl2 and MgSO4 alone or in combination, and can realize synchronous and efficient removal of COD, ammonia nitrogen, total nitrogen and total phosphorus in a wide salinity range of 10-80 g / L.The method breaks through the technical limitation that the existing salt-tolerant bacteria only adapt to a single salt system and have single degradation function, and greatly widens the applicable scenarios of the biological method in the treatment of high-salinity wastewater.

This invention relates to the field of microbial technology, specifically disclosing a strain of *Alcaligenes faecalis* ALA-1 and its application in nitrous oxide emission reduction. This invention provides a strain of *Alcaligenes faecalis* (… Alcaligenes faecalis ALA-1, with accession number CGMCC No. 35322, can efficiently convert N... 2 O is restored to N 2 When applied to aerobic composting processes, it can significantly reduce nitrogen emissions during the composting process. 2 O2 emissions will promote the green and low-carbon development of the organic solid waste composting industry.

This invention belongs to the field of bio-fermentation technology, and particularly relates to fermenting bacteria, a fermentation compound agent prepared based on these fermenting bacteria, and specific preparation methods and applications of the fermentation compound agent. The fermenting bacteria are selected from *Bacillus licheniformis* CY-1 and *Alcaligenes faecalis* CY-2; the *Bacillus licheniformis* CY-1 is deposited at CGMCC with accession number CGMCC No. 21241; the *Alcaligenes faecalis* CY-2 is deposited at CGMCC with accession number CGMCC No. 21242. This invention achieves effective composting of easily perishable waste through the specific combination of *Bacillus licheniformis* CY-1 and *Alcaligenes faecalis* CY-2. During the composting process, it effectively fixes nitrogen and reduces emissions, improving the quality, economic value, and utility of the treated easily perishable waste compost product.

This invention belongs to the field of microbial technology, specifically relating to a strain of direct ammonia-oxidizing fecal alkalogen AP3-14 and its applications. The fecal alkalogen provided by this invention (… Alcaligenes faecalis AP3-14 was deposited on November 17, 2025, at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC No. 36650, located at No. 3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing. This strain not only possesses direct ammonia oxidation capabilities, achieving efficient denitrification under aerobic conditions through this pathway, but also simultaneously degrades ammonia nitrogen and phenol in wastewater or sewage. Furthermore, this strain can tolerate a wide range of ammonia nitrogen concentrations, phenol concentrations, and pH levels.

The application provides a method for removing hexavalent chromium by using the interaction between microorganisms and copper ions, comprising the following steps: S1, providing microorganisms, wherein the microorganisms comprise Alcaligenes faecalis; S2, obtaining a treatment liquid with a combined system; the treatment liquid contains hexavalent chromium and divalent copper ions; wherein the initial concentration of the hexavalent chromium in the treatment liquid is 50-500 mg / L, and the initial concentration of the divalent copper ions in the treatment liquid is 10-100 mg / L; and S3, culturing the microorganisms in the treatment liquid to remove the hexavalent chromium in the treatment liquid. The application can quickly and efficiently remove the hexavalent chromium in water bodies.

The invention belongs to the technical field of microorganisms, and discloses alcaligenes faecalis and application thereof in prevention and treatment of root rot of schisandra chinensis. The invention provides a strain of alcaligenes faecalis, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.32518. The alcaligenes faecalis provided by the invention has a relatively good prevention and treatment effect on schisandra chinensis root rot.

The application discloses an Alcaligenes faecalis strain X4 and application thereof, the strain has been preserved in the China Center for Type Culture Collection (CCTCC) on May 8, 2025, is located in Wuhan, Wuhan University, China, and the preservation number is CCTCC M 2025998. The Alcaligenes faecalis strain X4 provided in the application has a degradation rate of more than 70% to 50 mg / L flumorph within 72 h, and the maximum tolerance concentration of cadmium is 120 mg / L. The strain provides strong technical support for the treatment of flumorph and cadmium compound pollution, and has important significance for solving complex environmental pollution problems.

The present application relates to the field of kitchen waste treatment, and particularly relates to a degradation bacteria compound for liquefying and degrading kitchen waste and application thereof. The compound comprises six bacteria, which are Pseudogulbenkiania indica, Alcaligenes faecalis, Bacillus amyloliquefaciens, Serratia marcescens, Sphingobium yanoikmois, Bacillus subtilis. The kitchen waste is treated by the compound bacteria of the present application, which can effectively degrade the protein, starch, cellulose and oil in the kitchen waste, and the degradation rates are 35.31%, 92.64%, 72.55% and 43.90% respectively. In addition, the compound bacteria can liquefy part of the kitchen waste, effectively reduce the volume and weight, and achieve a garbage reduction rate of 99.78%. In summary, the culture conditions of the compound bacteria are easy to realize and control, the compound bacteria can effectively degrade and liquefy the kitchen waste, and the compound bacteria have great significance for efficient treatment of kitchen waste.

The invention discloses separation and identification of alcaligenes faecalis IDOH3 capable of efficiently degrading indole and application of the alcaligenes faecalis IDOH3. The preservation number of the alcaligenes faecalis IDOH3 is GDMCC NO.65566. Through separation, identification and functional verification, 100 mg / L of indole can be completely degraded within 3 hours under the optimal conditions of pH 7, 37 DEG C and 200 r / min, and the degradation activity can be kept within the pH range of 3-9 and the temperature range of 10-50 DEG C. In addition, the strain IDOH3 also has degradation capability on aromatic compounds such as phenol, 2-methylindole and the like. Experiments show that the degradation rates of the strain IDOH3 on indole in sterilized and unsterilized pig manure wastewater are 99.13% and 74.59% respectively, and the strain IDOH3 is suitable for bioremediation of indole pollutants in environments such as livestock and poultry breeding wastewater.

This invention relates to the field of biodegradation technology, and discloses a fecal alkaloid bacterium, YZ-1, and its application in the degradation of succinate. The fecal alkaloid bacterium (Alcaligenes faecalis) YZ-1 is deposited at the China Center for Type Culture Collection (CCC), accession number M 2026471, deposited on March 19, 2026, at Wuhan University, Wuhan, China, 430072, China. Experimental verification shows that this fecal alkaloid bacterium YZ-1 has good succinate degradation efficiency, achieving efficient degradation of succinate at initial concentrations up to 2.5 g / L. Furthermore, it exhibits a wide adaptable pH range and strong tolerance to the substrate succinate. Therefore, the fecal alkaloid bacterium YZ-1 shows promising application prospects in the industrial degradation of succinate.

The application relates to the field of microbial technology, and particularly discloses a root zone probiotic SDQB6 of ammodendron and application thereof; the root zone probiotic SDQB6 of ammodendron is Alcaligenes faecalis SDQB6, which was preserved in the China General Microbiological Culture Collection Center on May 19, 2025, is located at No. 1, Xibei Road, No. 3, Chaoyang District, Beijing, is preserved in the Institute of Microbiology, Chinese Academy of Sciences, and has a preservation number of CGMCC No. 34588 and a classification name of Alcaligenes faecalis; the inhibition rate of the strain SDQB6 of the application to 10 kinds of pathogenic bacteria such as Valsa mali reaches 30.17-91.04%, the D / d values of the phosphorus solubilizing ability and the iron complexing ability are 1.28 and 2.37 respectively, the strain can grow on a culture medium containing 15% NaCl or 10% PEG, and has significant growth promotion effects on peppers and melons.

The invention relates to the technical field of microorganisms, and particularly discloses alcaligenes alcaligenes ALA-1 and application of the alcaligenes alcaligenes ALA-1 in nitrous oxide emission reduction. The invention provides an alcaligenes faecalis ALA-1 strain, and the preservation number of the alcaligenes faecalis ALA-1 strain is CGMCC (China General Microbiological Culture Collection Center) No. 35322. The method can efficiently reduce N2O into N2, is applied to the aerobic composting treatment process, can significantly reduce the N2O gas emission in the composting process, and promotes the green low-carbon development of the organic solid waste composting industry.

The invention belongs to the technical field of microbial control, and particularly relates to a soybean root rot biocontrol bacterium with the function of improving soybean yield and oil content, a microbial agent, a preparation method and application. The biocontrol bacterium is Alcaligenes faecalis, is named as GY16, is preserved in the China Center for Type Culture Collection (CCTCC) on November 12, 2025, and has the preservation number of CCTCC M 20252536. The alcaligenes faecalis GY16 has specific affinity with soybeans, so that the alcaligenes faecalis GY16 can be colonized at soybean roots to efficiently prevent and treat soybean root rot. The alcaligenes faecalis GY16 also has the functions of promoting the growth of soybean plants and improving the soybean yield and the oil content of grains. The microbial inoculum prepared from GY16 is used for replacing pesticide, has the characteristics of being green, environment-friendly and pollution-free, and has a positive promotion effect on construction of a sustainable farmland ecosystem.

The invention relates to the technical field of microorganisms, and particularly discloses ammopiptanthus mongolicus rhizosphere probiotics SDQB6 and application thereof. The ammopiptanthus mongolicus rhizosphere probiotic SDQB6 is alcaligenes faecalis SDQB6 and is preserved in the China General Microbiological Culture Collection Center on May 19, 2025, the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Beichen West Road, Chaoyang District, Beijing, the preservation number is CGMCC No.34588, and the classification name is alcaligenes faecalis; the inhibition rate of the strain SDQB6 to 10 pathogenic bacteria such as valsa mali reaches 30.17-91.04%, the D / d values of the phosphate solubilizing capacity and the iron complexing capacity of the strain SDQB6 are 1.28 and 2.37 respectively, the strain SDQB6 can still grow on a culture medium containing 15% of NaCl or 10% of PEG, and the strain SDQB6 has a remarkable growth promoting effect on hot peppers and muskmelons.

The application discloses a method for treating high-salt and low-temperature wastewater by using nitrifying bacteria and denitrifying bacteria, and adopts Paracoccus denitrificans TD-20229 screened from ammonia-nitrogen contaminated water bodies to simultaneously and cooperatively ferment wastewater in a high-salt and low-temperature environment together with Alcaligenes faecalis FC-01052. The production strain involved in the application can not only grow in a high-salt and low-temperature wastewater environment, but also has better denitrogenation effect. Compared with traditional physical and chemical denitrogenation methods, the production strain has the problems of low cost and secondary pollution reduction. The application obviously reduces wastewater pollution from the biological denitrogenation technology by using heterotrophic nitrifying bacteria and aerobic denitrifying bacteria, solves the problem of pesticide wastewater treatment in a low-temperature and high-salt environment, and has a wide market prospect.

The invention relates to alcaligenes faecalis AF12 as well as a fungicide and application thereof, and belongs to the technical field of microorganisms. The alcaligenes faecalis AF12 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.37190, the preservation date is December 25, 2025, and the address of the preservation institution is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The invention further provides application of the alcaligenes faecalis AF12 in inhibition of harmful bacteria in soil, prevention and treatment of root-knot nematode and promotion of plant growth. The alcaligenes faecalis AF12 provided by the invention can be applied to any plant species or plant habitat, realizes multiple effects of plant growth promotion, prevention and control of plant fungal diseases and bacterial diseases and prevention and control of plant root-knot nematode, and has extremely high application value and popularization prospect in the field of plant cultivation.