36 results about "Serratia" patented technology

The invention provides an organic carrier in-root-rhizosphere growth-promoting microbial agent for ecological restoration of degraded grassland as well as a preparation method and application of the microbial agent, and belongs to the technical field of grassland ecological restoration and microbial agents. The organic carrier growth-promoting microbial agent disclosed by the invention is prepared from four kinds of growth-promoting bacteria (PGPE) in roots, four kinds of growth-promoting bacteria (PGPR) in roots and an organic carrier, the PGPE comprises terracotta warrior bacillus K4, bacillus 9-3-1, bacillus deserticola 11-5-4 and halomonas L31, the PGPR comprises serratia rubra 5, serratia rubra 23, cosinia cosinii 11 and enterobacter parabarium 24, and the organic carrier is a carbon-based organic fertilizer, a cattle and sheep manure organic fertilizer or biochar. When the organic carrier growth-promoting microbial agent is applied to the degraded grassland, the biomass and coverage of plant communities can be remarkably improved. The organic carrier growth-promoting microbial agent can be used for ecological restoration of degraded grassland.

The invention belongs to the technical field of biological prevention and control of postharvest diseases, and particularly relates to biocontrol serratia rubra and application thereof to postharvest disease control, storage and fresh keeping of pear fruits. The method comprises the following steps: activating and culturing serratia rubra, centrifuging after culturing to obtain thalli, and re-suspending by using sterile normal saline to obtain a bacterial suspension; the method comprises the following steps: punching holes in the surfaces of pears, injecting the holes, and then injecting penicillium expansum spore suspension with the same volume, thereby realizing effective control on penicilliosis caused by penicillium expansum; or uniformly spraying the serratia rubra suspension on the surfaces of the pears, and naturally airing, so as to realize the purposes of disease control, storage and fresh-keeping after the pears are picked. According to the method, the occurrence of penicilliosis after the pears are picked can be remarkably reduced, the natural rotting rate after the pears are picked is reduced, the method is safe and environmentally friendly, no remarkable adverse effect is generated on main quality indexes of the picked pears, the storage quality of the pears can be kept, a remarkable technical effect is achieved, and the application prospect is wide.

To provide a plastic-degrading microorganism.SOLUTION: In one aspect, the present disclosure provides a microorganism capable of degrading plastic, belonging to a genus selected from the group consisting of the genus Acinetobacter, the genus Achromobacter, the genus Pseudomonas, the genus Serratia, the genus Amycolatopsis, and the genus Bacillus. In one aspect, the plastic to be degraded comprises at least one selected from polypropylene (PP), polyethylene (PE), polyvinylidene chloride (PVDC), and ethylene-vinyl alcohol copolymer (EVOH).SELECTED DRAWING: None

This invention discloses a method for remediating groundwater containing organic pollutants, comprising the following steps: 1) Extracting groundwater containing organic pollutants using multiple extraction pumps, adding ferrous salts at a solid-liquid ratio of 1:50-200, mixing thoroughly, and adjusting the pH of the system to 6-8 to obtain intermediate treatment solution one; 2) Adding a remediation agent to the obtained intermediate treatment solution one, mixing and stirring for 3-6 hours to obtain intermediate treatment solution two; 3) Passing the obtained intermediate treatment solution two sequentially into an anaerobic reactor and an aerobic tank for treatment, and discharging after reaching the required standards; the packing material of the anaerobic reactor contains microorganisms, including at least two or more of denitrifying bacteria, Bacillus coagulans, Bacillus subtilis, Bacillus clonorchis, Bacillus indusiata, and Serratia marcescens. The remediation method provided by this invention has high remediation efficiency, thorough removal of organic matter, and is economically feasible, with an organic matter removal rate of over 98%.

The invention belongs to the field of microbial preparations, and discloses a microbial stabilizer which comprises non-bacillus or a zymophyte solution thereof and a chemical stabilizer, and the non-bacillus comprises at least one of serratia nematophila and acinetobacter calcoaceticus. The invention also discloses a preparation method of the microbial stabilizer and an application of the microbial stabilizer in prolonging the shelf life of a microbial agent. The research on the microbial stabilizer containing non-bacillus discovers that the microbial stabilizer formed by proper matching of the non-bacillus and the chemical stabilizer can keep the stability of the concentration of viable bacteria for a long time, prolong the shelf life of microbial products and reduce the requirements of frequent production and storage; therefore, the production cost is directly reduced, the economic benefit is improved, and the method can be used in the technical field of microbial preparations.

The present invention provides a combination of superior bacteria for liquefying and degrading food waste and its application. The combination includes Pseudomonas aglycones, Bacillus alcaligenes faecalis, Bacillus amyloliquefaciens, Serratia marcescens, Sphingobacillus suis, Bacillus subtilis, Achromobacter xylosoxidans, Bacillus cereus, Sphingobacillus fusoni, Oligotrophomonas maltophilia, and Sphingobacillus humus. The combination of bacteria can effectively reduce the amount of food waste, and the maximum reduction can be 14.66%, and the COD removal rate can reach 98.19%. The combination of bacteria of the present invention can efficiently degrade and liquefy food waste, and can achieve a high reduction rate and liquefaction effect, which is conducive to the absorption and utilization of nutrients in the subsequent food waste biological resource conversion process.

The invention belongs to the field of development and application of microorganisms, and relates to serratia rubra for preventing and treating potato scab and application of the serratia rubra. In order to overcome the defects in the prior art, the invention provides serratia rubra A14 for preventing and treating potato scab and application of the serratia rubra A14, the serratia rubra A14 provided by the invention is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36010. The serratia rubra A14 can be used for preventing and treating potato scab. The strain has remarkable bacteriostatic activity on streptomyces scabies, and has the capabilities of dissolving phosphorus and producing indoleacetic acid (IAA), protease and siderophore. The strain has good biological safety, and the strain is prepared into a microbial agent for green prevention and control of potato scab and has good application prospects.

The present application relates to the field of microbial technology, and more particularly to a kind of for degrading high-efficiency fluazifop-butyl ester urea serratia DHPM01 and its application, urea serratia DHPM01 is preserved in China Microbial Culture Collection Center on September 18, 2025, preservation number is CGMCC NO.35971, and the address of preservation is Beijing Chaoyang District Beichen West Road No.1, and the classification designation is Serratia ureilytica The microbial agent provided by the present application can effectively degrade high-efficiency fluazifop-butyl ester in a wide pH and temperature range, and urea serratia DHPM01 can be used as an excellent pesticide-degrading bacterium and widely applied to the bioremediation of high-efficiency fluazifop-butyl ester residues in water, farmland and contaminated soil and other environments, providing a new efficient and environmentally friendly strategy for pesticide pollution control and enriching the germplasm resource bank of pesticide-degrading functional microorganisms.

The invention relates to the technical field of soil remediation, and particularly discloses a composite soil remediation material as well as a preparation method and application thereof. The composite soil remediation material is prepared from the following raw material components in parts by mass: 15 to 25 parts of Schwertmannite loaded with microbial bacterial liquid, 5 to 10 parts of a biological surfactant, 10 to 20 parts of edible fungus residues, 20 to 30 parts of natural mineral aggregate, 1 to 5 parts of bicarbonate and 70 to 80 parts of water, wherein the microbial bacterial liquid comprises arthrobacter globiformis, serratia rubra and pichia anomala. By means of the technical scheme, the problems that in the prior art, saline-alkali soil remediation is high in remediation cost, long in time, harsh in application condition, prone to secondary pollution and poor in remediation effect are effectively solved.

The invention discloses a novel biological organic water-soluble fertilizer and application thereof. The novel biological organic water-soluble fertilizer is prepared from the following raw materials: a starchy raw material fermentation concentrated solution, an inorganic fertilizer and serratia nematophila KWNj-P. The total nutrient content of the novel biological organic water-soluble fertilizer is 8-12%, the organic matter content is 20-22%, the effective viable count is 5 * 10 < 7 >-5 * 10 < 8 > CFU / mL, and the pH value is 5.5-6.5. The raw materials of the novel biological organic water-soluble fertilizer complement each other, and the novel biological organic water-soluble fertilizer contains a large number of nutrient elements and organic matters beneficial to plant growth, and is compounded with a microbial agent to form a comprehensive organic-inorganic total-factor biological fertilizer to keep nutrient balance. The novel biological organic water-soluble fertilizer disclosed by the invention can be dissolved in water for integrated application of water and fertilizer, can also be directly applied, is suitable for diversified modern agricultural production modes, and can promote crop growth, improve crop yield and improve crop disease resistance.

This invention discloses the application of α-bisabolol in the preparation of a quorum sensing quencher for Serratia liquefaction. It belongs to the field of pharmaceutical technology. The purpose of this invention is to provide an application in the preparation of a quencher for inhibiting the quorum sensing system of Serratia liquefaction, thereby reducing the toxicity of pathogenic bacteria without inhibiting their growth. This invention provides an application of bisabolol in the preparation of a quencher for inhibiting the quorum sensing system of Serratia liquefaction. It offers a novel solution for developing efficient and safe food preservatives.

The invention relates to the technical field of protoplast preparation, in particular to a preparation method of protoplast of sclerotium rolfsii. The method comprises the following steps: carrying out enzymolysis on sclerotium rolfsii by adopting protoplast enzymatic hydrolysate; a Miracloth filter membrane is adopted for filtering, a container for collecting filtrate is placed on ice, and a precooled 0.6 M sorbitol solution is used for flushing; centrifuging the collected filtrate, collecting precipitates, cleaning the precipitates by using a precooled 0.6 M sorbitol solution to remove enzymatic hydrolysate, and then carrying out resuspension centrifugation by using STC to collect precipitates so as to obtain protoplasts; according to the characteristics of sclerotium rolfsii, a corresponding enzymolysis system is established, the enzymolysis condition is mild and easy to control, the obtained protoplast is complete and stable in form and high in yield, and the quantity of the protoplast reaches up to 1 * 10 < 8 > / mL.

The invention provides a phosphorus-solubilizing synthetic microbiome as well as a preparation method and application thereof, and particularly belongs to the technical field of synthetic microbiome. The phosphorus-solubilizing synthesis microbiome comprises the following microorganisms: bacillus subtilis with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.36218, bacillus subtilis with the preservation number of CGMCC No.36218, bacillus subtilis with the preservation number of CGMCC No.36218, bacillus subtilis with The preservation number of the serratia marcescens is CGMCC (China General Microbiological Culture Collection Center) No.36217, and the preservation number of the serratia marcescens is CGMCC No.36217. And Shigella flexneri, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.36219, and the preservation number of the Shigella flexneri is CGMCC No.36219. The phosphorus-solubilizing synthetic microbiome has a phosphorus-solubilizing effect, can realize the improvement of the simulated lunar soil, particularly can be used for dissolving insoluble phosphorus in the simulated lunar soil, and can promote the growth of crops in the simulated lunar soil.

The present invention relates to the technical field of soil remediation, and specifically discloses a composite soil remediation material, a preparation method thereof, and an application. The composite soil remediation material comprises the following raw material components in parts by mass: 15-25 parts of schwertmannite loaded with microbial liquid, 5-10 parts of biosurfactant, 10-20 parts of edible mushroom residue, 20-30 parts of natural mineral material, 1-5 parts of bicarbonate, and 70-80 parts of water; wherein, the microbial liquid comprises Arthrobacter globiformis, Serratia rubidaea, and Pichia anomala. The technical solution of the present invention effectively solves the problems in the prior art that the remediation of saline-alkali soil has high remediation cost, long time, strict application conditions, easy occurrence of secondary pollution, and poor remediation effect.

The application discloses a new use of an agricultural enzyme and a method for controlling and inhibiting soil pathogenic bacteria biological pollution, wherein the agricultural enzyme is used as a soil repair agent to prevent or treat soil pathogenic bacteria biological pollution, and the soil pathogenic bacteria are at least one of Klebsiella pneumoniae, Acidovorax xylosoxidans, Streptomyces orientatis, Vibrio cholerae, Riemerella anatipestifer, Clostridium botulinum, Serratia marcescans, Rhodococcus globerulus and Aeromonas salmonicida. The agricultural enzyme is applied to the pathogenic bacteria biological pollution soil to be treated in different ways. The application directly kills the pathogenic bacteria or regulates the soil microbial community through a quorum sensing gene and a virulence factor gene, so that the abundance of the pathogenic bacteria in the soil community is reduced, and the soil pathogenic bacteria biological pollution is reduced. The application is an economic, green, convenient, efficient agricultural soil environment repair technology.

The invention discloses a multi-bacteria enzyme composition for water purification treatment and application, and relates to the technical field of water purification. The microbial agent is prepared from the following components in parts by weight: 15 to 30 parts of rhodopseudomonas palustris, 15 to 30 parts of bacillus subtilis, 25 to 35 parts of serratia marcescens, 25 to 35 parts of denitrifying pseudomonas, 25 to 35 parts of lactic acid coccus, 25 to 35 parts of bacillus amyloliquefaciens and 25 to 35 parts of rhodotorula benthica. The synergistic effect of the flora can inhibit the outbreak of harmful algae, promote the growth of beneficial algae, improve the flocculation performance of a water body and effectively improve the transparency. Meanwhile, the composition has a remarkable removal effect on key pollution indexes such as ammonia nitrogen, COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), suspended solids and total phosphorus, so that the systematic repair of the water body is realized.

The invention belongs to the technical field of microorganism application, and particularly relates to a preparation method of a serratia rubra solid preparation for antagonizing pear postharvest penicilliosis. Firstly, serratia rubra B11 bacterial suspension is prepared and then evenly mixed with a composite protective agent of a specific formula, and the protective agent comprises four core components including trehalose, skim milk powder, L-sodium glutamate and xylooligosaccharide. And carrying out deep pre-freezing treatment on the mixed solution, and carrying out vacuum freeze drying under the condition of strictly controlling parameters to finally obtain the stable solid preparation. Experiments prove that the microbial inoculum prepared by the method can maintain higher biological activity during low-temperature storage, and the survival rate of thalli still exceeds 60% after the microbial inoculum is stored for 90 days under proper conditions. The preparation has a remarkable inhibition effect on diseases caused by penicillium expansum during the storage period of pears, and an effective and stable novel biological prevention and control product is provided for green prevention and control of postharvest diseases of fruits and vegetables.

The present application provides a Serratia marcescens, an Enterococcus sp., and a Morganella morganii. The present application also provides a microbial agent, which includes one or more of Serratia marcescens, Enterococcus sp., and Morganella morganii. The microbial agent can be applied to the prevention and direct killing of fall armyworms in the corn seedling stage.

The invention discloses a mixed microbial agent and application thereof in codonopsis pilosula planting. The composite flora is composed of phosphate solubilizing bacteria, phosphate solubilizing bacteria, phosphate solubilizing bacteria, phosphate solubilizing bacteria, phosphate solubilizing bacteria, phosphate solubilizing bacteria and phosphate solubilizing bacteria, potassium bacteria: pseudomonas aeruginosa and bacillus circulans; and nitrogen-fixing bacteria: autotrophic flavobacterium, clostridium pasteurianum and bradyrhizobium. Wherein the phosphate-solubilizing bacteria are wrapped by adopting a benzene diboronic acid-sodium alginate pH response material, the potassium-solubilizing bacteria are wrapped by adopting selenized sodium alginate-Ca < 2 + > salt ion response gel, and attapulgite is used as a carrier to form the slow-release bacterial agent. Phosphorus-solubilizing bacteria and potassium-solubilizing bacteria have a synergistic effect to maintain the optimal growth environment of codonopsis pilosula, trichoderma harzianum colonization is promoted through bacillus circulans exopolysaccharide to construct a synergistic network, and the acting effect of the fungicide is improved by combining dual-environment response release and boron-selenium element synergy. During application, the microbial inoculum and rotten stems and leaves of codonopsis pilosula are fermented to prepare a bacterial fertilizer for basal application, and then topdressing and flushing application are performed, so that the yield and polysaccharide content of codonopsis pilosula are remarkably increased.

The invention belongs to the technical field of grassland restoration, and relates to a microbial ecological restoration method for a degenerated typical grassland, which comprises the following steps: selecting the degenerated typical grassland to be treated, ditching, applying a carrier growth-promoting microbial agent, and combining the carrier growth-promoting microbial agent with an arbuscular mycorrhizal fungus agent and / or an azotobacter agent according to the degeneration type. The carrier growth-promoting microbial agent comprises specific strains such as serratia rubra, enterobacter paraphora, cosinia cosinii, bacillus and halomonas. The carrier growth-promoting microbial agent is prepared from the specific strains such as serratia rubra, enterobacter paraphora, cosinia cosinii, bacillus and halomonas. The microbial inoculum is cultured and prepared by being loaded on an organic fertilizer carrier, and the application amount is adjusted according to different degeneration degrees. According to the method, vegetation recovery is remarkably promoted through the synergistic effect of three main microbial functional groups of soil, the biomass and coverage of plant communities are improved, soil nutrients and microbial activity are improved, and the method is suitable for various degeneration types such as grazing degeneration, cradling degeneration and desertification typical grassland; the method has the advantages of being good in remediation effect, environmentally friendly, high in sustainability and the like.

The application discloses a Serratia plymuthica strain for preventing and treating soybean root rot and application thereof. A Serratia plymuthica strain G25-16 is isolated from the rhizosphere soil of soybean and wheat, and the microbial preservation number of the strain is CGMCC No.34772; the results of a plate confrontation experiment show that the strain has obvious antagonistic effects on Fusarium solani and Fusarium retusum; the results of a prevention and treatment experiment show that the strain has significant prevention and treatment effects on the Fusarium solani and the Fusarium retusum; and the results of a pot planting growth promotion experiment show that after the soybean is treated by the isolated Serratia plymuthica strain, the fresh weight and the plant height of the soybean are obviously improved compared with a control. The isolated Serratia plymuthica strain G25-16 has application prospects in promoting the growth of soybean and preventing and treating soybean diseases.

The invention discloses a sugarcane endophytic Serratia marcescens and its application, belonging to the technical field of agricultural microorganisms. The sugarcane endophytic Serratia marcescens is classified and named as Serratia marcescens ( Serratia marcescens )SM, which was deposited in the China Center for Type Culture Collection on October 18, 2023, with a deposit number of CCTCC NO: M 20231923, and a deposit address of No. 299, Bayi Road, Wuchang District, Wuhan City, Hubei Province. The Serratia marcescens is isolated from sugarcane stems, and its living body can be used as a living body of Serratia marcescens or its metabolites, which have the following effects: (1) insecticide effect on armyworm larvae on sugarcane; (2) antibacterial effect on sugarcane white streak disease and sugarcane tip rot pathogens; (3) promoting the germination and growth of sugarcane.

The invention relates to the technical field of microorganisms, in particular to serratia urealyticum DHPM01 for degrading haloxyfop-R-methyl and application of the serratia urealyticum DHPM01. The serratia urealyticum DHPM01 is preserved in the China General Microbiological Culture Collection Center on September 18, 2025, the preservation number is CGMCC NO.35971, the preservation address is No. 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO.35971. The serratia urealyticum DHPM01 is CGMCC NO.35971. The method comprises the following steps: classifying and naming as Serratia ureilytica; the microbial agent for degrading haloxyfop-R-methyl provided by the invention can effectively degrade haloxyfop-R-methyl in a wide pH and temperature range, serratia urealyticum DHPM01 can be used as an excellent pesticide degrading bacterium, and is widely applied to bioremediation of haloxyfop-R-methyl residues in environments such as water, farmland and polluted soil; a new efficient and environment-friendly strategy is provided for pesticide pollution treatment, and a germplasm resource library of microorganisms with pesticide degradation functions is enriched.

The invention belongs to the technical crossing field of microbiomics, and relates to a method for constructing a steady-state microbiome on the surface of a pear based on serratia rubra to inhibit postharvest diseases. The method comprises the following steps: firstly, preparing serratia rubra B11 suspension, and spraying the serratia rubra B11 suspension on the surfaces of pear fruits; the method comprises the following steps: standardly collecting epiphytic microorganisms on the surfaces of fruits by adopting a mode of combining physical elution and vacuum filtration, extracting total DNA, respectively carrying out high-throughput amplicon sequencing on a 16S rRNA gene V3-V4 region and a fungus ITS2 region, and carrying out dynamic analysis on alpha diversity, beta diversity, community composition and key class groups, so as to determine the content of the epiphytic microorganisms on the surfaces of the fruits. And finally, associating with the fruit rotting rate and the physiological quality index, establishing a set of full-process standardized system of multi-dimensional bioinformatics analysis, and revealing an ecological mechanism that beneficial bacteria realize disease inhibition by remodeling a fruit surface microbial community structure and regulating and controlling key function class groups. And reliable technical support is provided for mechanism research, efficiency evaluation and application development of the biocontrol microbial inoculum.

This invention discloses the application of isohypericin in the preparation of a quencher for inhibiting the quorum sensing system of *Serratia liquefaction*. It belongs to the field of pharmaceutical technology. The purpose of this invention is to provide a quencher for inhibiting the quorum sensing system of *Serratia liquefaction*, thereby reducing the toxicity of pathogens without inhibiting their growth. This invention provides the application of isohypericin in the preparation of a quencher for inhibiting the quorum sensing system of *Serratia liquefaction*. It offers a novel solution for developing highly efficient and safe food preservatives.

The invention relates to the technical field of biology, in particular to application of serratia pumila MM fermentation liquor and a microbial agent in inhibiting growth of phytophthora capsici and preventing and treating phytophthora blight of capsici, serratia pumila MM is preserved in China General Microbiological Culture Collection Center on June 2, 2022, the preservation number is CGMCC No.24997, and the preservation number is CGMCC No.24997. The serratia pumila MM is preserved in China General Microbiological Culture Collection Center on June 2, 2022. The compound has a good inhibition effect on phytophthora capsici, and the bacteriostasis rate reaches 79.05%; the growth of pathogenic bacteria hyphae can be effectively inhibited, the hyphae are damaged, and the hyphae are broken, shrunk, deformed and the like. In a pot experiment, the prevention and treatment effects of a prevention group and a treatment group on the pepper phytophthora blight are 88.33% and 58.30% respectively, and the morbidity of the pot prevention group is only 14.6%. In a potted plant growth promoting test, the plant height, root length, fresh weight and stem diameter of pepper seedlings are obviously improved and are respectively increased by 29.56%, 51.41%, 25.90% and 20.00% compared with a contrast, and the growth promoting effect is obvious. In a field experiment, a Serratia uchenensis MM agent treatment group is excellent in performance, the control effect on the pepper phytophthora blight is 82.2%, plants grow robustly, the disease incidence rate is low, and the application prospect is wide.

The invention discloses an application of atractylenolide III in preparation of a serratia liquefaciens quorum sensing quenching agent. Belongs to the technical field of medicine. The invention aims to provide the medicine for inhibiting the bacterial quorum sensing system of serratia liquefaciens, so that the toxicity of pathogenic bacteria is weakened on the premise of not inhibiting the growth of the pathogenic bacteria. The invention provides an application of atractylenolide III in a quenching agent for inhibiting a serratia liquefaciens quorum sensing system. A brand new solution is provided for developing an efficient and safe food biological preservative.

The application belongs to the polymer field and discloses application of a nanocellulose / chitosan active packaging film in preservation of Russula, wherein the nanocellulose / chitosan active packaging film is prepared by mixing Ag@MOF carriers loaded with natural antibacterial agent natal oil and nanocellulose / chitosan compound, and the obtained product has good tensile strength, elongation at break and water vapor permeability, and shows good film ductility and gas barrier performance; the packaging film is applied to Russula packaging, can effectively inhibit the growth of specific spoilage bacteria such as Pseudomonas, Serratia and Penicillium during the storage of Russula, so as to achieve the purpose of preserving Russula, and can slowly release the natal oil, thereby prolonging the preservation period of Russula.

Disclosed are compositions comprising poly(hexamethylene) biguanide (PHMB) or a pharmaceutically or veterinary acceptable salt thereof, a chelating agent, and a buffering agent and their use for disrupting and eradicating biofilms. The invention also relates to the use of the compositions for treating or inhibiting the development of an infection caused by a bacterium selected from the group consisting of Burkholderia spp., Serratia spp., Enterococcus spp. and Corynebacterium spp. and / or increasing the susceptibility of such bacterial strains to antibiotics.

The invention provides a high-yield prodigiosin method, a prodigiosin protection method and application. The method comprises the following steps: obtaining a serratia nematophagi mutant strain, screening serratia nematophagi with high and stable yield from the mutant strain, carrying out fermentation culture, and separating prodigiosin from a fermentation culture product, the serratia nematophila is serratia nematophila, the strain number of the serratia nematophila is S207, the serratia nematophila is preserved in the China Center for Type Culture Collection, and the preservation number of the serratia nematophila is CCTCC NO: M 2025727. The protection method of the prodigiosin comprises the following steps: storing the prodigiosin in a protective agent with the pH value of 2-6 at 4-60 DEG C, and avoiding the irradiation of ultraviolet light. A large amount of prodigiosin can be rapidly produced by using the method for producing the prodigiosin at high yield, the prodigiosin can be stably preserved by using the protection method for the prodigiosin, the decoloration rate of the prodigiosin can be reduced, and the growth and reproduction of bacteria and fungi can be effectively inhibited by using the bacteriostasis method for bacteriostasis.