105 results about "Microorganism resource" patented technology

The invention discloses a micro-plastic degrading bacterium P.ataveovii and application thereof, and belongs to the technical field of microorganisms. According to the invention, a strain of Priestia aryabhattai BK12 is separated and screened from plastic wastes, and the plastic degradation capability of the Priestia aryabhattai BK12 is deeply explored. A research result shows that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), and the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), so that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate). The invention provides a new microbial resource for the development of a plastic degradation agent, contributes to promoting the development of a biodegradable plastic technology and solving the problem of environmental pollution caused by PET, and assists in realizing the goal of green and sustainable development.

The invention relates to the technical field of environmental microbial resource development and sewage denitrification. The invention discloses an efficient denitrification strain Paracoccus sp.N21 with a flocculation characteristic, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.34710. The invention further discloses a preparation method of the efficient denitrification strain Paracoccus sp.N21. The strain obtained by the invention can completely remove ammonia nitrogen within 12 hours and thoroughly remove nitrate nitrogen within 48 hours, the removal rate reaches 100%, and ammonia nitrogen is preferentially degraded in a mixed nitrogen source. The method has the unique advantages that the flocculation rate in the nitrification process and the flocculation rate in the denitrification process exceed 93.9%, and the usage amount of a flocculating agent can be greatly reduced. When actual kitchen wastewater is treated, the ammonia nitrogen removal rate reaches 100%, and the removal rate reaches up to 7.51 mg / (L.h). The application of the strain can effectively reduce the volume of a reactor, reduce energy consumption and operation cost, provides a new solution for simplifying a biological denitrification process, is particularly suitable for treating high-ammonia-nitrogen kitchen wastewater, and has remarkable environmental and economic benefits.

The application discloses an Aeromonas media strain capable of degrading PAEs and an application thereof, and belongs to the technical field of microorganisms. The strain is Aeromonas media HJ02, and the preservation number is GDMCC NO: 66828. The strain has obvious advantages in environmental adaptability and PAEs pollutant degradation activity, can efficiently degrade various PAEs and intermediate metabolites, and maintains good growth kinetic characteristics in a 0-120 h culture period. When the initial concentration of diisooctyl phthalate (DEHP) is 300 mg / L, the strain can significantly reduce the residual content of DEHP in the culture system after culture, and the 24 h degradation rate reaches 91.73 %. The application has the advantages of simple operation, safety and economy, provides efficient and stable microbial resources for PAEs pollution remediation, and has important practical value.

The invention provides application of platanus sp. Su100 in promotion of synthesis of poplar melatonin and disease resistance, and relates to the technical field of microbial resource development and forest cultivation. The soft disc fungus Su100 can activate the activity of a key enzyme for synthesizing melatonin in a poplar body, and the content of the melatonin is remarkably increased. As a plant endogenous antioxidant and a multifunctional signal molecule, the melatonin plays a core role in plant stress resistance, growth regulation and control, quality improvement and ecological restoration. The floppy disc fungi have high colonization efficiency in plants, and can form a symbiotic system with the poplar by utilizing a floppy disc fungi inoculation technology to play a role for a long time. The application of the invention can significantly reduce the production cost of agriculture and forestry, is especially suitable for crop cultivation under the adverse conditions of drought, salt and alkali, diseases and the like, reduces the application of chemical fertilizers and pesticides, and lays a foundation for the construction of an efficient, green and sustainable forestry planting and cultivation system.

The present application belongs to the technical field of plant disease prevention and treatment, and particularly relates to a biocontrol bacterium for preventing and treating Guaiacum officinale anthracnose, a fermentation liquor, a biocontrol bacterium agent and application. Bacillus velezensis A biocontrol bacterium is isolated and screened from a microbial resource on a healthy Guaiacum officinale leaf, and is classified and named as Bacillus velezensis , which is preserved in the China General Microbiological Culture Collection Center on March 28, 2025, and has a preservation number of CGMCC No.34038; the biocontrol bacterium provided in the present application has good antagonistic effects on Colletotrichum gloeosporioides causing Guaiacum officinale anthracnose, on Stemphylium botryosum causing Guaiacum officinale leaf spot disease, on Botryosphaeria dothidea, on Alternaria alternata and on Pestalotiopsis versicolor capable of causing plant diseases. The biocontrol bacterium, the fermentation liquor and the biocontrol bacterium agent provided in the present application have potential application prospects in preventing and treating Guaiacum officinale anthracnose.

The invention discloses bacillus subtilis 12-10-2 and application thereof in synergistic preparation of fish oil and fish sauce, and belongs to the technical field of microbial fermentation. The preservation number of the bacillus subtilis (Bacillus subtilis) 12-10-2 is CGMCC (China General Microbiological Culture Collection Center) No.34966. The bacillus subtilis (Bacillus subtilis) 12-10-2 can be used for preparing the bacillus subtilis. The bacillus subtilis 12-10-2 can be used for efficiently hydrolyzing protein in a high-salt environment. The bacillus subtilis 12-10-2 is used for performing bacterium-adding fermentation on the snakehead processing leftovers, so that the fish oil and the fish sauce can be synergistically prepared, and the obtained product is high in yield and good in quality. A new microbial resource is provided for high-value utilization of snakehead processing leftovers, the problems of environmental pollution and resource waste caused by improper treatment can be solved, a new technical support is provided for establishment of a preparation process of high-quality fish oil and fish sauce, and the method has a wide market application prospect.

The invention discloses a nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1) with a capability of degrading multiple pollutants and an application of the nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1, and belongs to the technical field of screening and application of functional microorganisms. The strain is derived from a chicken manure aerobic composting environment, the preservation number is GDMCC No: 67351, and nitro polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons and tetracycline antibiotics can be efficiently degraded at the same time. In a single pollutant with the concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceed 97% in 8 h, the degradation rate of nitrofluoranthene reaches 99.01% in 48 h, and the degradation rate of phenanthrene reaches 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the 48-hour degradation rate is kept to be 78% or above. The strain is high in degradation efficiency and strong in environmental adaptability, provides a new microbial resource for bioremediation of a combined pollution site, and has a wide application prospect.

The application discloses a soil enterobacter capable of efficiently degrading polypropylene and application thereof. The strain is FJNUIM-S2, which is classified and named as soil enterobacter (Enterobacter agglomerans) Enterobacter soli ), is preserved in the China General Microbiological Culture Collection Center (CGMCC), and is preserved on October 17, 2024, with a preservation number of CGMCC No. 32241 and a preservation address of No. 3, Institute of Microbiology, Chinese Academy of Sciences, Xiliujiaobei, Chaoyang District, Beijing. The strain FJNUIM-S2 of the application can grow with polypropylene as the only carbon source, has good polypropylene degradation characteristics, provides a microbial resource for bioremediation of waste polypropylene in the environment, and has a wide application prospect.

This invention belongs to the field of biological control technology for plant diseases and pests, and provides a strain of Chaetomium globosum ( Chaetomium globosum EF-14 and its applications. This strain is deposited at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC No. 40618. The *Chaetomium globosum* EF-14 provided by this invention is an endophytic fungus of maize that can simultaneously inhibit *Fusarium graminearum* (…). Fusarium gramineae ) and Corn spores ( Bipolaris maydis It can effectively reduce corn stalk rot and corn leaf spot caused by fall armyworm ( ) and can also effectively reduce the incidence of fall armyworm ( ). Spodoptera frugiperda This invention provides a highly efficient and safe microbial resource for the green control of major corn diseases and pests, and broadens the application scope of Chaetomium globosum in agricultural biocontrol, achieving synergistic control of diseases and pests through "one fungus targeting multiple targets".

The invention provides a citrobacter freundii phage and an application thereof. The bacteriophage is a citrobacter freundii bacteriophage CFP2505001, and the preservation number is CCTCC (China Center For Type Culture Collection) NO: M20251306. The bacteriophage has excellent lysis activity, thermal stability and pH stability, can efficiently perform targeted lysis on multi-drug-resistant citrobacter freundii, significantly reduces the infection death rate of Japanese eels, and provides a new microbial resource and application approach for green prevention and control of citrobacter freundii diseases in aquaculture.

The application discloses a bacterial agent containing a salt-tolerant and alkali-tolerant strain TRM45540 and application thereof. The bacterial agent containing the salt-tolerant and alkali-tolerant strain TRM45540 is a fermentation liquor obtained by inoculating the strain TRM45540 in a fermentation medium and performing fermentation; a preparation method of the bacterial agent containing the salt-tolerant and alkali-tolerant strain TRM45540, wherein an ISP4 medium with a pH of 7-12 and a sodium chloride content of 0.2wt%-9wt% is used as the fermentation medium to perform fermentation on the strain TRM45540; and application of the bacterial agent containing the salt-tolerant and alkali-tolerant strain TRM45540, which is used for preventing soil compaction and improving soil fixation capacity of a pepper root system, or used for promoting growth of the pepper, or used for improving soil microbial richness. The bacterial agent helps to reduce use of chemical fertilizers and promote effective use of microbial resources.

The application discloses a method for improving information storage capacity of actinomycete, and belongs to the technical field of genetic engineering. The method comprises the steps of simulating acetylation mutation or simulating deacetylation mutation of DasR protein of the actinomycete; the simulating acetylation mutation is that lysine at the 78th position of the DasR protein is mutated into glutamine; and the simulating deacetylation mutation is that lysine at the 78th position of the DasR protein is mutated into arginine. Through acetylation mutation and deacetylation mutation of specific sites of the wide-range regulatory factor protein, the growth of the improved Actinomucor rubrum is determined, and the sporulation capacity of the strain is observed, so that it is confirmed that the optimization of the spore growth capacity and growth condition of the Actinomucor rubrum can be realized by using genetic engineering modification, new microbial resources are provided for preparation of an information storage carrier, and a research foundation is provided for promotion of a DNA data storage technology.

The screening method comprises the following steps: S1, taking a high-temperature yeast sample, adding sterile normal saline, soaking and oscillating, taking supernate, inoculating the supernate into an acetic acid bacteria enrichment culture medium, and culturing at constant temperature to obtain enriched liquid; s2, carrying out gradient dilution on the enrichment liquid, taking a diluent with a proper concentration, coating a calcium plate isolation culture medium with the diluent, and selecting a single colony generating a transparent circle to carry out multi-generation streak purification; s3, inoculating the purified strain to an acidogenic qualitative culture medium, carrying out shake cultivation, centrifuging the fermentation broth, taking the supernatant, neutralizing the supernatant with a NaOH solution until the pH value is 7, adding a FeCl3 solution, and heating in a boiling water bath to generate a rufous flocculent precipitate which is an acidogenic bacterium; and S4, preparing bacterial suspension from the bacterial strains which are qualitatively identified as acid-producing bacteria, inoculating the bacterial suspension to a basic culture medium, and selecting the bacterial strain with the highest acid yield as a target bacterial strain. The strain with high acid yield and high stress tolerance obtained by screening provides a high-quality microbial resource for improving the quality of Maotai-flavor liquor.

The invention belongs to the technical field of microorganisms, and particularly discloses a bacillus aryabhattai strain and application thereof, the bacillus aryabhattai strain is identified as the bacillus aryabhattai strain through morphology, physiology, biochemistry and 16S rDNA (ribosomal deoxyribonucleic acid) molecules, is named as GR-6, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has the preservation number of CGMCC No.37494. The bacillus aryabhattai GR-6 disclosed by the invention has an in-vitro control effect of 67.58% and a living potting control effect of 38.67% on tomato gray leaf spot disease, and has good nitrogen fixation and potassium solubilization capabilities, and generated volatile substances have an obvious inhibition effect on various plant pathogenic fungi such as Stemphylium solani, Corynespora cassiicola, Botryis cinerea, fusarium oxysporum and Colletotrichum capsici; according to the present invention, the genome contains Surfactin, Macrolactin, Difficidin and other lipopeptide and polyketone antibiotic synthesis related genes, such that the biocontrol effect is significant, the growth promoting function and the broad-spectrum antibacterial ability are provided, the environmental protection is provided, the new microbial resource is provided for the green prevention and control of the tomato gray leaf spot disease, and the important application development value is provided.

The application discloses an endophytic fungus with functions of improving stress resistance and promoting growth of Fraxinus mandshurica and application thereof, and belongs to the technical field of microorganisms. Alternaria tenuissima The endophytic fungus is named as Alternaria tenuissima (SLR21), is preserved in the China General Microbiological Culture Collection Center, and has a preservation number of CGMCC NO.42057. The application screens out the endophytic fungus with functions of improving stress resistance and promoting growth of Fraxinus mandshurica by taking Fraxinus mandshurica as a material, provides new microbial resources for mining of new strains of biological energy functions, and provides a new path for solving the problem of difficult forestation of Fraxinus mandshurica. The fermentation liquor of the endophytic fungus contains high contents of polyphenols, polysaccharides, flavones, salicylic acid and auxin and the like, has high drought resistance, salt and alkali resistance and functions of promoting growth of seedling height, can be used as a seed soaking agent alone, and can be applied to promotion of seed germination, and the fermentation liquor of the endophytic fungus can also be used for root irrigation or spraying treatment of seedlings.

This invention discloses a strain of *Pseudomonas nicosulfuron-methyl* capable of degrading multiple pollutants. Pseudomonas nicosulfuronedens HD1 and its applications belong to the field of functional microbial screening and application technology. This strain, originating from an aerobic composting environment of chicken manure (accession number GDMCC No:67351), can simultaneously and efficiently degrade nitropolycyclic aromatic hydrocarbons (NPH), polycyclic aromatic hydrocarbons (PAHs), and tetracycline antibiotics. In single pollutants at a concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceeded 97% after 8 hours; the degradation rate of nitrofluoranthene reached 99.01% after 48 hours; and the degradation rate of phenanthrene reached 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the degradation rate remained above 78% after 48 hours. This strain exhibits high degradation efficiency and strong environmental adaptability, providing a new microbial resource for the bioremediation of multi-contaminated sites and possessing broad application prospects.

The application provides a strain of protozoan nephrospora NJAU-HN1 and an application thereof, and belongs to the technical field of agricultural microorganisms. The nephrospora NJAU-HN1 has a preservation number of CCTCC NO: C2025172. The nephrospora NJAU-HN1 can directly and effectively inhibit the survival of root-knot nematodes. Application of the nephrospora NJAU-HN1 or a culture thereof can significantly promote the growth of melon plants, increase the fresh weight, dry weight and root length of the plants. The nephrospora NJAU-HN1 provided by the application provides valuable microbial resources for the development of a new microbial preparation for green prevention and control of melon root-knot nematode disease and crop health promotion, and has a good application prospect.

The invention belongs to the technical field of agricultural microorganisms, and relates to a biocontrol fungus for preventing and treating pomegranate fusarium wilt, a biocontrol microbial inoculum and application of the biocontrol fungus and the biocontrol microbial inoculum. According to the invention, a chaetomium globosum N9 strain is separated and screened from microbial resources on pomegranate branches, the chaetomium globosum N9 strain is preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC NO: 67114. The N9 strain provided by the invention has a good antagonistic effect on the main pathogenic bacterium-sweet potato long-beak-shell fungus causing pomegranate fusarium wilt, and can significantly inhibit the growth of sweet potato long-beak-shell fungus hyphae, and the inhibition rate is up to 75.9%. The biocontrol fungus and the biocontrol inoculant provided by the invention have application prospects in the aspect of preventing and treating plant diseases caused by sweet potato coracocystis longirostris, especially in the aspect of preventing and treating pomegranate fusarium wilt.

The application belongs to the technical field of microorganisms, and particularly relates to a bacillus velezensis Y10 and application thereof. The bacillus velezensis Y10 is preserved in the China General Microbiological Culture Collection Center on December 5, 2024, and has a preservation number of CGMCC No.32927. The bacillus velezensis Y10 can improve the resistance of cotton to salt stress, and provides a new microbial resource for improving the salt tolerance of cotton.

The invention discloses a pichia pastoris (Pichia kudriavzevii) K1 with an effect of improving the solubility of quinoa starch, and the preservation number of the pichia pastoris K1 is CGMCC (China General Microbiological Culture Collection Center) No.39012. The invention further discloses a preparation method of the pichia pastoris K1. The strain is separated from Chinese traditional fermented food'slurry ', and the solubility of starch can be remarkably changed through fermentation treatment. After the pichia pastoris K1 is used for fermenting chenopodium quinoa starch for 24 hours, the solubility of the chenopodium quinoa starch is improved to 35.84% from 13.93% of original starch, and the improvement amplitude reaches 21.91%. The invention provides an efficient and safe microbial resource for starch deep processing, and has a wide application prospect.

The invention belongs to the technical field of microorganisms, and particularly relates to a thermophilic strain B-60-8 for straw degradation and decomposition and application of the thermophilic strain B-60-8. The thermophilic strain B-60-8 is classified and named as thermophilic thermophilic strain B-60-8, and is preserved in China General Microbiological Culture Collection Center (CGMCC) on August 19, 2025, and the preservation number is CGMCC No.35676. The invention aims to obtain a single-function strain which can adapt to a high-temperature period of straw composting and efficiently crush lignin by utilizing H2O2 by establishing a straw decay promoting strategy oriented to H2O2 production capacity and verifying the high efficiency of the strain in straw degradation in a high-temperature environment, so that the problems of poor high-temperature adaptability of a microbial agent and low lignin degradation efficiency are solved, and the application prospect is wide. And a new microbial resource is provided for the practical application of straw decomposition and biological fertilizer preparation.

The invention relates to the technical field of microbial screening, in particular to a method for high-throughput screening of flavone-transformed bacteria and a screening system thereof. The method comprises the following steps: firstly, inoculating a to-be-detected strain into a basal culture medium containing a flavone substrate for fermentation, then scanning fermentation broth at two different time points by using a full-wavelength microplate reader through a quartz microplate, calculating an absorbance difference value at at least one preset wavelength, and finally, calculating the absorbance difference value at least one preset wavelength. The strains with the absorbance difference larger than a preset threshold value are screened as primary screening positive strains. Compared with the traditional technology, the method has the advantages that the screening efficiency is improved by hundreds of times, the sample consumption is reduced by 75%, the industrial bottleneck that multi-structure flavonoids need to be repeatedly developed is broken through, and an innovative tool is provided for microbial resource development.

The application discloses a tobacco source bacillus velezensis chq3-4 and its amylase and application, and belongs to the field of tobacco microorganisms. The bacillus velezensis chq3-4 strain belongs to Bacillus, is classified and named as Bacillus velezensis chq3-4, is preserved in the China Center for Type Culture Collection, the preservation date is June 19, 2024, and the preservation number is CCTCC NO: M 20241305. The amylase crude enzyme solution prepared from the strain has an enzyme activity of 119.28+ / -0.76 U / mL, and the enzyme has strong stability and can still maintain certain enzyme activity under high-temperature and alkaline conditions. The amylase crude enzyme solution is applied to tobacco products, can effectively reduce the content of tobacco starch in the tobacco products, improve the content of reducing sugar, and then improve the quality of the tobacco products.

The application discloses a strain of Lecythophora ramosa LicG6 and application of the strain in solid-state fermentation of Pu'er tea, and belongs to the field of industrial microbial resource development and tea deep processing technology. The Lecythophora ramosa LicG6 is preserved in the China General Microbiological Culture Collection Center on June 14, 2024, and the address is No. 1, Xibei Road, Chaoyang District, Beijing, and the preservation number is CGMCC No. 41370. The application inoculates the Lecythophora ramosa LicG6 strain with double-enzyme synchronous secretion capacity, namely, simultaneously high expression of beta-glucosidase and polyphenol oxidase, into a solid-state fermentation system of Pu'er tea, realizes flower fragrance development by continuously hydrolyzing and releasing glycoside aroma precursor driven by beta-glucosidase under the condition of temperature control in stages, realizes red soup color transformation by oxidizing and polymerizing catechin driven by polyphenol oxidase, and thus, the two quality targets of "flavor enhancement" and "color transformation" are achieved simultaneously in the same fermentation process.

The invention discloses deep learning-based deep sea cold spring microbiome antibacterial peptide directional screening and application thereof, and belongs to the technical fields of deep sea extreme environment microbial resource high-value utilization, food preservation and fresh-keeping and bioinformatics. The antibacterial peptide DSCSAMP1-4 applicable to the soy sauce in the high-salt environment is directionally screened by constructing a data set containing polypeptide physicochemical properties, structural characteristics and weighted scores. Wherein the DSCSAMP2-3 containing the alpha-helical structure has obvious growth inhibition on gram-negative bacteria such as escherichia coli and pseudomonas aeruginosa, gram-positive bacteria such as staphylococcus aureus and fungi such as saccharomycetes respectively. The antibacterial peptide is natural, safe, wide in antibacterial spectrum, high in acting efficiency and free of chemical residues, does not affect the flavor of soy sauce, can be prepared into preservative additives of various dosage forms, provides an efficient and environment-friendly preservative solution for the soy sauce industry, promotes high-value utilization of deep sea cold spring microbial resources, and has great industrial popularization value.

The invention relates to the technical field of microorganisms, and particularly discloses a streptomyces rust red strain JQ021 and application thereof. The strain is preserved in the China Center for Type Culture Collection on October 9, 2025, and the preservation number of the strain is CCTCC NO: M 20252186. The strain JQ021, a culture of the strain JQ021 and a metabolic extract produced by the strain JQ021 show efficient and broad-spectrum inhibitory activity on various aquatic pathogenic vibrios, especially vibrio parahaemolyticus, vibrio alginolyticus and vibrio Ewana. The invention also relates to a microbial preparation and an antibacterial composition containing the strain or the metabolic extract, and an application of the microbial preparation and the antibacterial composition in preparation of a preparation for preventing and treating aquaculture vibriosis. The strain provides valuable microbial resources for developing safe and efficient antibiotic substitutes.

The invention discloses an aerobic efficient ammonia nitrogen degradation strain TYF-QDKJ-P44 and application thereof, the strain is Pseudomonas sp. TYF-QDKJ-P44, the strain is preserved in the General Microbiological Center of the China Committee for Culture Collection of Microorganisms, the preservation number is CGMCC No.36444, and the preservation date is October 31, 2025. The invention further discloses an application of the aerobic efficient ammonia nitrogen degradation strain TYF-QDKJ-P44. The strain has excellent degradation performance on high-concentration ammonia nitrogen under the aerobic condition, and the degradation rate of the strain can reach 90% or above within the initial ammonia nitrogen concentration range of 100-800 mg / L; the optimal carbon nitrogen ratio range is 5 to 15. The invention also relates to a microbial agent containing the strain, and application of the microbial agent in degradation of various ammonia nitrogen polluted water bodies (such as landfill leachate, aquaculture wastewater, coking wastewater and the like). The strain has the advantages of high degradation efficiency, strong environmental adaptability, wide application range and the like, and provides new microbial resources and technical choices for biological enhancement treatment and polluted environment restoration of high-ammonia-nitrogen wastewater.

The invention discloses colletotrichum 7060 #, belongs to the technical field of microorganisms, and is used for solving the problems of low survival rate of aquilaria sinensis seedlings, long growth cycle and lack of growth-promoting microorganism resources. According to the technical scheme, the colletotrichum 7060 # with the preservation number of CGMCC NO.42267 and the biological product of the colletotrichum 7060 # and the method for promoting agilawood growth are provided, and the method is achieved through strain activation, cake making and symbiotic culture. Preferred schemes involve addition of a host root extract, staged supply of terpene signal molecules, use of a controlled release device with a buffer layer, strain pre-adaptation and addition of an energy slow release component. The agilawood growth can be effectively promoted, the biomass and stress resistance are improved, and reliable microbial resources and technical support are provided for agilawood seedling culture.

The invention discloses a steppe red oomycete strain, a microbial agent thereof and application of the steppe red oomycete strain in aquaculture, the steppe red oomycete strain is sent to China General Microbiological Culture Collection Center (CGMCC) for preservation, the preservation number is CGMCC No.35769, and the preservation date is August 28, 2025. The strain disclosed by the invention is subjected to anaerobic illumination culture in a conventional photosynthetic bacterium liquid culture medium to form a red viscous trait microbial agent, and the degradation rate of the microbial agent on H2S in water can reach 90% or above; meanwhile, the water purification effect is achieved when the fertilizer is applied to a culture pond with organic matter exceeding the standard, odor can be eliminated, and water can be cleared. The strain disclosed by the invention can effectively block toxic stress such as gill injury, hepatopancreas poisoning and the like of H2S to fish, shrimp and crab culture organisms and remarkably improve culture water environment and bottom mud quality, so that an efficient and environment-friendly novel microbial resource is provided for water H2S pollution treatment in aquaculture; the method is especially suitable for high-density pond culture and has wide practical application prospects and popularization value.