207 results about "Siderophore" patented technology

The invention relates to the field of microorganisms, in particular to a mortierella alpina strain MA with a plant growth promoting function and application of the mortierella alpina strain MA. The strain has remarkable nitrogen fixation, siderophore production, auxin (IAA) production and cellulase activity, can inhibit various soil-borne pathogenic bacteria such as phytophthora capsici and fusarium, and remarkably improves the disease resistance and growth performance of crops such as pepper. The strain has various functions and broad-spectrum action, is suitable for replacing part of chemical fertilizers and pesticides in intensive agriculture, and realizes green and efficient planting of crops.

The invention discloses a Burkholderia sp. Strain and an application thereof in prevention and treatment of eucalyptus blight. The Burkholderia sp. AS-SF-1 disclosed by the invention has the preservation number of GDMCC (Graphical December Microorganism Center) No. 66223; the culture and volatile matter of the strain can inhibit growth of various forest pathogenic bacteria, the eucalyptus has a remarkable control effect on branch blight, siderophore can be generated, absorption and utilization of iron can be promoted, various types of carbon sources or nitrogen sources can be utilized, and the strain can grow within the pH range of 4-9. The burkholderia sp. AS-SF-1 disclosed by the invention has an important application value on planting of eucalyptus and prevention of diseases.

The invention discloses talaromyces purpurogenum as well as a fermented supernatant and application thereof. The preservation number of the talaromyces purpureogenus F-4 is CCTCC NO: M 20252023, and the talaromyces purpureogenus F-4 has the growth promoting effects of dissolving phosphorus, fixing nitrogen and generating siderophores, also has the disease preventing and treating effects of preventing and treating garlic root rot, potato scab and wheat stem rot, and also can resist salt stress, alkali stress, salt-alkali composite stress, heavy metal stress and osmotic pressure stress. The fermentation supernatant of the talaromyces purpureus F-4 can be used for inhibiting the growth of fusarium solani spores, streptomyces botrytis spores and fusarium pseudograminearum and the germination of the spores of the fusarium solani, the streptomyces botrytis and the fusarium pseudograminearum. The talaromyces purpurogenus and the fermented supernatant thereof can effectively control the growth and reproduction of plant pathogens, reduce the risk of disease occurrence, reduce the dependence on chemical pesticides, and reduce the risk of environmental pollution and agricultural product residues, and have important significance for promoting the sustainable development of agriculture.

The invention discloses a sporosarcina sp. Strain RH34 and an application of the sporosarcina sp. Strain RH34 and the application of the sporosarcina sp. Strain RH34. The sporosarcina strain RH34 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33199. The sporosarcina strain RH34 can be used for preparing the sporosarcina strain RH34. The alfalfa rhizosphere microorganism sporosarcina strain RH34 is separated from alfalfa roots in salinized soil, and has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing biological membranes, producing siderophores, producing IAA and producing ACC deaminase. Seed soaking and germination under salt stress can obviously improve the germination index of alfalfa seeds. The growth condition of alfalfa seedlings can be improved under salt stress.

The invention provides a trichoderma maple fungicide, a microbial granular fertilizer as well as a preparation method and application of the trichoderma maple fungicide and the microbial granular fertilizer, and relates to the field of microorganisms. The acer rubrum fungicide contains acer rubrum RA with the preservation number of CGMCC No.35889. The acer rubrum fungicide has the capability of decomposing inorganic phosphorus, is wide in phosphorus dissolving range, can decompose tricalcium phosphate, ferric phosphate and aluminum phosphate, and particularly still has the very strong capability of decomposing the inorganic phosphorus under the low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases. The microbial granular fertilizer provided by the invention contains various biostimulant substances, can promote crop growth, improve plant stress resistance and improve plant resistance to plant diseases and insect pests, and field tests prove that the microbial granular fertilizer can significantly promote crop growth and improve crop yield.

The invention provides a moniliella malayi and a fungicide and application thereof, and relates to the field of microorganisms. The acer rubrum is specifically acer rubrum RA, and the preservation number of the acer rubrum RA is CGMCC (China General Microbiological Culture Collection Center) No.35889. The acer rubrum RA can be used for preparing the acer rubrum. The strain has the capability of decomposing inorganic phosphorus, is wide in phosphorus-dissolving range, can decompose tricalcium phosphate, iron phosphate and aluminum phosphate, and particularly still has very strong capability of decomposing inorganic phosphorus under a low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases, and can inhibit diseases such as corn root rot, sorghum leaf spot or wheat root rot; the strain can be colonized in a soil environment of 5-40 DEG C, a microbial inoculum prepared from the strain can promote crop growth, the crop yield is remarkably improved, and high yield can be achieved even if the usage amount of phosphate fertilizer is reduced.

The invention discloses a salt-tolerant brevibacillus for promoting growth and preventing and controlling plant diseases and application of the salt-tolerant brevibacillus. The brevibacillus halotolerans T101 is preserved in the Guangdong Microbial Culture Collection Center (GDMCC) on July 23, 2025, and the preservation number of the brevibacillus halotolerans T101 is GDMCC No: 66731. The brevibacillus halotolerans T101 is preserved in the Guangdong Microbial Culture Collection Center (GDMCC) on July 23, 2025. The strain T101 disclosed by the invention can effectively antagonize plant pathogenic fungi peronophythora litchii and plant pathogenic bacteria such as pseudomonas syringae, xanthomonas campestris, citrus canker pathogen and ralstonia solanacearum, can generate siderophores and plant growth hormone IAA, and can remarkably promote the growth of tomato root systems in a pot experiment. Therefore, the strain T101 can be used for preparing microbial preparation products for preventing and treating plant diseases and promoting plant root growth, and has important application potential in the aspects of microbial agents, biological fertilizers and the like for promoting plant growth and development.

The invention relates to a streptomyces sp. Strain EC15 and an application of the streptomyces sp. Strain EC15. The streptomyces strain EC15 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33195. The streptomyces strain EC15 has the advantages that the streptomyces strain EC15 can be used for preparing the streptomyces strain EC15; the strain has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing a biological membrane, producing an iron carrier, producing IAA and producing ACC deaminase. The EC15 bacterial liquid is used for soaking seeds under the stress of 200 mmol / L and 250 mmol / L NaCl, so that the germination potential, the germination rate, the germination index, the radicle length, the germ length and the fresh weight of group seedlings of the alfalfa seeds can be obviously improved. After the EC15 strain is inoculated, under the stress of 200 mmol / L NaCl, the plant height, stem diameter, leaf area and overground part fresh and dry weight of alfalfa plants can be obviously improved.

The invention discloses bacillus velezensis B127 and application thereof, the bacillus velezensis is preserved in China Center for Type Microbiological Culture Collection, the preservation number is CCTCC NO: M 20252878, the preservation date is December 15, 2025, the classification name is bacillus velezensis B127, and the preservation address is Wuhan University, Hubei Province. The bacillus velezensis B127 has a remarkable inhibition effect on various tobacco fusarium pathogenic bacteria, has good phosphorus and potassium solubilizing capacity, generates hydrolase related to inhibition of pathogenic bacteria and generates siderophore and indoleacetic acid for promoting plant growth, is a biocontrol bacterium with excellent comprehensive performance, and can be widely applied to the field of biological control. The method has good development and application prospects in the fields of agricultural disease control, soil improvement, microbial fertilizers and the like.

The invention relates to the technical field of microorganisms, in particular to a strain of Senotrophomonas sepilia DB3 with disease-resistant, iron-dissolving and growth-promoting functions and application thereof, and the strain is separated from calcareous soil pear tree rhizosphere and has good capabilities of producing IAA (Indoleacetic Acid), quickly growing, dissolving insoluble iron, producing iron carriers and effectively antagonizing various pathogenic bacteria. Pot experiments show that the DB3 microbial inoculum can significantly promote growth of peanut and pyrus betulaefolia seedlings, improve root development and iron nutrient content, enhance leaf SPAD value and iron absorption and relieve iron-deficiency yellows, can be used for preparing biological bacterial fertilizers and reducing chemical iron fertilizer investment, and has good development and application prospects.

The invention belongs to the technical field of microorganisms, and discloses saline-alkaline tolerant halomonas and application thereof. The Franzmannia qiaohouensis is separated from rhizosphere soil of broom corn millet in saline-alkali soil, the strain number is STM-122, the preservation number is CGMCC No.36349, the classification status is clear through 16S rRNA (ribosomal ribonucleic acid) gene sequence identification and phylogenetic analysis, and the Franzmannia qiaohouensis has the functions of dissolving phosphorus and producing EPS (expandable polystyrene), auxin and siderophore. Through bacterial suspension seed soaking treatment, the germination potential and germination rate of broom corn millet seeds under saline-alkali stress can be remarkably improved, and the indexes of seedling root length, plant height and the like are promoted to be improved; meanwhile, the invention provides a complete preparation method of the bacterial strain fermented bacterial fertilizer, and the viable count of the obtained fermented bacterial fertilizer is greater than or equal to 1 * 10 < 8 > CFU / g. The method can enrich salt-tolerant microbial resources, and provides technical support for planting broom corn millet and other crops in saline-alkali soil.

The invention discloses a growth-promoting halophilic Clariella sackii BWT 1.2507 strain and a preparation method of the growth-promoting halophilic Clariella sackii BWT 1.2507 strain. The growth-promoting halophilic Clariella sackii BWT 1.2507 strain has the advantages that the growth- The invention relates to a bacillus subtilis BWT1.2507, which is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on September 28, 2025, the address of the GDMCC is the 5th floor of the building 59, No. 100 courtyard, Xianlie Middle Road, Guangzhou City, Guangdong province, the postcode is 510070, and the preservation number is GDMCC No: 67048. The halophilic Sacchaffia halmapaa BWT1.2507 is separated and screened from the corn rhizosphere saline-alkali soil, has the functional characteristics of saline-alkali resistance growth, nitrogen fixation, organic phosphorus dissolution, IAA secretion and siderophore production, has obvious application effects in promotion of healthy growth of corn plants and alkali and salt reduction of saline-alkali soil, can be developed as an agricultural microbial agent, and has broad application prospects. The application potential in improvement of saline-alkali soil is huge.

The invention discloses a novel salt-alkali tolerant stenotrophomonas strain and application thereof, and belongs to the field of agricultural microorganisms. The new species of the saline-alkaline tolerant stenotrophomonas is stenotrophomonas SHZ-02, the classification name of the stenotrophomonas SHZ-02 is Senotrophomonas shiheziensis SHZ-02, the stenotrophomonas SHZ-02 is preserved in the Guangdong Microbiological Culture Collection Center, and the preservation number of the stenotrophomonas SHZ-02 is GDMCC (China General Microbiological Culture Collection Center) NO: 66422. The stenotrophomonas SHZ-02 has the functions of fixing nitrogen, dissolving phosphorus, dissolving potassium, producing siderophores, producing IAA, producing EPS and the like for promoting plant growth and has the function of directly promoting the growth of various plants.

The invention belongs to the field of microorganisms, and relates to a phosphate-solubilizing fungus with sandy soil adaptability, in particular to a high-efficiency sandy soil phosphate-solubilizing talaromyces HZ29 strain as well as a screening method and application of the high-efficiency sandy soil phosphate-solubilizing talaromyces HZ29 strain. The talaromyces sp. HZ29 has the preservation number of CGMCC (China General Microbiological Culture Collection Center) NO.42246, and is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms on October 15, 2025. A new phosphorus-solubilizing fungus strain is obtained through screening for the first time, phosphorus which is difficult to be directly absorbed by crops in soil can be efficiently activated, the content of available phosphorus in the soil is increased, and the phosphorus-solubilizing fungus strain has an outstanding phosphorus-solubilizing effect; and the strain has siderophore secretion capability and disease bacterium antagonism capability, and has a growth promoting function on crops.

The invention relates to the technical field of microorganisms, in particular to growth-promoting pantoea TY-88 and application thereof in promotion of waxy corn seed germination and seedling growth, the preservation unit of the growth-promoting pantoea TY-88 is China Center for Type Culture Collection, the preservation number is CCTCC NO: M 2025945, and the preservation date is April 30, 2025. The growth-promoting pantoea TY-88 provided by the invention has better capabilities in the aspects of phosphate solubilization, nitrogen fixation, potassium solubilization and siderophore production; when the biological agent prepared from the growth-promoting pantoea is used for seed soaking treatment, waxy corn seed germination, seedling growth and development and substance accumulation of the overground part and the underground part can be remarkably promoted, and economic benefits are improved on the premise that the environment is not polluted.

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 application provides a compound microbial agent for preventing and treating bacterial diseases of fruits and vegetables and a preparation method thereof, wherein the compound microbial agent comprises Brevibacillus brevis, Pseudomonas chlororaphis and Streptomyces; wherein the ratio of the viable bacterial count of the Brevibacillus brevis, the Pseudomonas chlororaphis and the Streptomyces is (1-3):(2-4):(1-2). The Brevibacillus brevis directly inhibits bacteria by secreting antibacterial peptides, the Pseudomonas chlororaphis competes for ecological niches through iron carriers, and the Streptomyces produces antibiotics, so that multiple strains form a "bacteriostasis-competition-immune activation" multiple mechanism, thereby achieving efficient prevention and treatment of bacterial diseases of fruits and vegetables.

The invention belongs to the field of microorganisms, and particularly discloses paenibacillus mucilaginosus JZ1 and application thereof. According to the invention, paenibacillus mucilaginosus with multifunctional characteristics is screened from biological crust. The paenibacillus mucilaginosus JZ1 strain obtained by the invention has multiple functions of dissolving phosphorus, dissolving potassium, fixing nitrogen, and producing IAA, ACC deaminase, siderophore and extracellular polymeric substance (ESP), is an environment-friendly biological material, and does not cause environmental pollution. The bacterial strain is combined with the crust algae for application, so that the effects of promoting plant growth and improving soil can be stably exerted. The method has a relatively great application prospect.

The present application belongs to the field of microbial technology, and particularly relates to a new bacterial strain of Acinetobacter sp. and its use. The bacterial strain is isolated from mangrove soil, is a new species of Acinetobacter sp., is named as Acinetobacter sp. GXMZU3951, and the bacteria have been registered and preserved in China General Microbiological Culture Collection Center (CGMCC) with a preservation number of CGMCC NO: 36553. The Acinetobacter sp. GXMZU3951 of the present application has iron carrier production activity, can produce higher indole acetic acid, and has the ability to promote plant growth and the potential to resist heavy metals. The present application can be used in the biological remediation of heavy metal contaminated soil and as a green and environment-friendly biofertilizer for improving crop production, and has a good development and application prospect.

The invention provides a bacillus strain which is named as bacillus sp. And is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.37528, and the preservation date is January 26, 2026. The bacillus strain is named as bacillus sp. And is preserved in the China General Microbiological Culture Collection Center (CGMCC). The 16S rRNA (ribosomal Ribonucleic Acid) nucleotide sequence of the bacillus sp. Is as shown in SEQ ID NO: 1. Applications are also provided for promoting plant growth and improving plant quality. The bacillus sp has the capabilities of dissolving phosphorus, secreting IAA (Indoleacetic Acid) and producing siderophores, can promote plant growth and improve plant quality, and is used for promoting the growth of new wheat straw seedlings.

The present application belongs to the technical field of microorganisms, and relates to a Pseudomonas jessenii JY2025 and application thereof. Pseudomonas piscicola The biological preservation number of the Pseudomonas jessenii (P. jessenii) JY2025 is CGMCC No. 37283. The strain provided by the present application has broad-spectrum antifungal activity, can significantly inhibit the growth of various plant pathogenic fungi, and has the abilities of salt and alkali tolerance, inorganic phosphorus degradation, protease secretion, siderophore secretion and indole acetic acid production, which are helpful to promote crop growth and improve soil fertility.

The application discloses a bacillus polymyxa C2 strain and application thereof, and belongs to the technical field of microorganisms. The strain has been preserved in the China General Microbiological Culture Collection Center on December 25, 2022, and the biological preservation number is CGMCC No. 26242. The bacillus polymyxa C2 strain has the functions of producing an iron carrier, decomposing potassium, decomposing phosphorus and degrading cellulose, and has significant antagonistic effects on a plurality of pathogenic fungi causing garlic wilting in a plate confrontation experiment. The bacillus polymyxa C2 strain has a growth-promoting effect on garlic under different soil and cultivation conditions, and has good practical application value.

The invention discloses a phosphate-solubilizing bacterium with dual functions of phosphate solubilizing and passivation, a microbial agent prepared from the phosphate-solubilizing bacterium and application of the phosphate-solubilizing bacterium, the phosphate-solubilizing bacterium is Bacillus sp and is preserved in Guangdong Microbial Culture Collection Center, and the preservation number of the phosphate-solubilizing bacterium is GDMCC NO: 66609. Through multiple rounds of screening, the strain capable of dissolving phosphorus, producing urease, IAA and siderophore, promoting corn growth and improving cadmium and lead tolerance of plants is obtained, the strain can greatly improve underground biomass of corn, meanwhile, urease, IAA and siderophore are produced, effectiveness of soil cadmium is reduced, and soil fertility is improved. The fertilizer can increase the yield of corn, improve the soil fertility and improve the market competitiveness of agricultural products. The phosphate-solubilizing bacterium disclosed by the invention is easy to culture and apply on a large scale, simple and convenient to operate, easy to accept and apply by agricultural producers, and relatively high in practicability. The strain and the preparation have relatively high agricultural application prospects and economic values.

The application belongs to the field of agricultural microorganism technology, and particularly relates to a strain Duffyella gerundensis and a microbial agent and application thereof. Duffyella gerundensis The strain is named CM21-1, is preserved in the China General Microbiological Culture Collection Center, and has a preservation number of CGMCC No. 36959. The 16S rDNA sequence of the strain is shown as SEQ ID NO: 1, can secrete an iron carrier, can effectively inhibit the growth of Fusarium pseudograminearum, and causes the hyphae of the Fusarium pseudograminearum to be broken or deformed. Fusarium pseudograminearum Pot experiment shows that the strain has a significant prevention and treatment effect on wheat foot rot, and has no adverse effect on the growth of wheat. The application provides a new biocontrol strain resource and technical scheme for green prevention and control of wheat foot rot.

Provided herein are methods, systems, and compositions for degrading minerals. The methods, systems, and compositions provided herein involve the use of siderophores to degrade minerals such as sulfide materials. The methods, systems, and compositions provided herein may be used to release metal from sulfide mineral materials. The methods, systems, and compositions provided herein may further involve collecting, extracting, and / or purifying the metal released from the minerals.

The invention belongs to the technical field of microbial prevention and control of plant diseases and insect pests, and particularly discloses a plant disease biocontrol bacillus cereus strain LCBC246 which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the strain is CGMCC No.33323. The invention further discloses a preparation method of the plant disease biocontrol bacillus cereus strain LCBC246. The LCBC246 strain provided by the invention is a gram-positive bacterium, has a very strong bacteriostatic effect on colletotrichum fucicola, the bacteriostatic rate is 92.1%, the disease control rate on the colletotrichum fucicola is 90.8%, and the LCBC246 strain has a very good inhibitory effect on other important plateau characteristic crop pathogenic bacteria and also has a remarkable crop growth promoting property. The bacterial inhibition rates of fermentation liquor and volatile substances of the strain LCBC246 on colletotrichum gloeosporioides of macadamia nuts are 62.70% and 76.58% respectively; the bacillus amyloliquefaciens can generate sterilization metabolites such as cellulase, amylase and siderophore, and has a very strong broad-spectrum bacteriostatic effect on various plant pathogenic fungi. Therefore, the strain LCBC246 and the metabolite thereof have the application value of developing bacterial biopesticides.

This invention discloses a composite microbial agent for improving saline-alkali soil, its preparation method, and its application. The composite microbial agent is composed of *Frederick's chamaejasminoides* and *Zoococcus halophilus* with a viable count ratio of (0.2–2):1. Research shows that, under the same total viable count conditions, the composite microbial agent exhibits significantly higher salt tolerance, IAA production, siderophore production capacity, ACC deaminase activity, phosphorus solubility, nitrogen fixation capacity, and extracellular polysaccharide production compared to single-strain agents, demonstrating a significant synergistic effect. The composite agent can also be combined with the salt-tolerant plant *Arundo donax* to construct a synergistic remediation system for saline-alkali land. This system significantly reduces the pH and sodium ion content of saline-alkali soil, improves soil nutrient availability, and significantly promotes *Arundo donax* growth and biomass accumulation, providing an innovative technical solution for rapid, efficient, and sustainable ecological restoration and agricultural utilization of saline-alkali land.

A conjugate provided. The conjugate is a compound represented by Formula (I), or the conjugate is a stereoisomer, tautomer, homologue, solvate, metabolite, pharmaceutically acceptable salt, or prodrug of the compound represented by Formula (I):where A is a linker, and B is a dihydrofolate reductase inhibitor; R1, R2, R3, R4, and R5 are independently selected from H or C1-6 alkyl; and n1, n2, and n3 are each an integer selected from 0 to 6.

The invention discloses pseudomonas chlororaphis subsp. Aurantii, a complex microbial inoculant and application of the complex microbial inoculant in relieving continuous cropping obstacles of apples, and belongs to the technical field of agricultural microorganisms. According to the application disclosed by the invention, a strain of pseudomonas chlororaphis subsp. Aurantiaca S74 is separated from mycorrhiza rhizosphere, and the strain has an antagonistic effect on various pathogenic bacteria causing continuous cropping obstacles of apples; the strain has the capabilities of producing protease, secreting siderophores, dissolving inorganic phosphorus, fixing nitrogen and producing ammonia gas. When the strain S74 is applied to apple continuous cropping soil in cooperation with AMF, the number of bacteria in the soil can be increased, the number of pathogenic bacteria can be reduced, plant growth can be promoted, the chlorophyll content of overground leaves of plants can be increased, meanwhile, colonization of AMF in the continuous cropping soil and plant root systems can be promoted, and the strain S74 can relieve apple continuous cropping obstacles in cooperation with AMF. The application method of the strain S74 belongs to the field of biological prevention and control, and provides technical support for comprehensive green prevention and control of apple continuous cropping obstacles.

The invention discloses a chenopodium ambrosioides seed endophytic fungus Alternaria alstroemia HZ132. The endophytic fungus Alternaria alstroemia HZ132 is preserved in Guangdong Microbial Culture Collection Center with the preservation number of GDMCC No. 66913, and the preservation number of the endophytic fungus Alternaria alstroemia HZ132 in Guangdong Microbial Culture Collection Center is GDMCC No. 66913. The strain has strong capabilities of solubilizing phosphorus, producing indoleacetic acid, producing siderophores and resisting cadmium, is inoculated with HZ132 under cadmium stress, can significantly promote plant growth and enhance cadmium resistance of plants, and has important significance in plant-microorganism combined remediation of heavy metal contaminated soil.