15 results about "Acidovorax" patented technology

The present invention discloses the application of isoquinoline-3-carboxylic acid in preventing and controlling plant bacterial diseases. The isoquinoline-3-carboxylic acid provided by the present invention has an obvious inhibitory effect on plant bacterial diseases, and the plant bacterial diseases are Ralstonia solanacearum, Acidovorax avenae subsp. Citrulli, Pseudomonas syringae pv. actinidiae, Pectobacterium carotovorum subsp. carotovorum, Xanthomonas oryzae pv. oryzae, Xanthomonas oryzae pv. oryzicola, Alternaria brassicae, Xanthomonas citri subsp. citri, Pectobacterium carotovorum subsp. carotovorum, Xanthomonas fragariae, Pseudomonas syringae pv. lachrymans, Dickeya dadantii, Xanthomonas axonopodis pv. mangiferaeindicae. The isoquinoline-3-carboxylic acid of the present invention has protective and therapeutic effects on Acidovorax avenae subsp. Citrulli.

An Acinetobacter plasticovorax strain has high ability to degrade polyurethane. The strain is useful for reduction of environmental pollution caused by waste plastic, pretreatment for recycling, recycling, and bioconversion, and is further useful for carbon reduction for recycling of waste plastic.

The invention belongs to the field of environmental microbiological technology and wastewater biological treatment, and particularly discloses a synchronous nitrification and denitrification acid-eating bacterium and application thereof in wastewater treatment. The strain is Acidovorax sp. LM14, and is preserved in China Center for Type Culture Collection, called CCTCC for short, the preservation address is Wuhan University Life Science College, Wuchang District, Wuhan City, Hubei Province, the preservation date is November 10, 2025, and the preservation number is CCTCC M 20252521. The strain has a heterotrophic nitrification-aerobic denitrification capability, can synchronously and efficiently remove ammonia nitrogen, nitrite nitrogen and nitrate nitrogen under an aerobic condition, and still can efficiently remove wastewater with the ammonia nitrogen concentration of 500mg / L. Meanwhile, the strain can effectively degrade aromatic pollutants such as phenol, and the degradation rate exceeds 90% when the concentration of phenol is as high as 500mg / L. In addition, the LM14 still keeps high denitrification activity under the condition of low carbon nitrogen ratio, and has a wide application range to pH and temperature.

The invention belongs to the technical field of microorganisms, and particularly relates to an acidovorax Delf4 strain and application thereof. The invention discloses an acidovorax delphinii htf4, and the preservation number of the acidovorax delphinii htf4 is CGMCC No.34123. The acidovorax Delf4 disclosed by the invention has the capability of efficiently synthesizing indoleacetic acid (IAA), and the IAA yield of 75.74 mg / L can be realized without optimization in an NB culture medium containing 5mM L-tryptophan, which is obviously higher than that of other wild strains. In addition, the acidovorax delphinii htf4 disclosed by the invention has a remarkable growth promoting effect on plants (such as pepper). Pot experiments show that the acidovorax Delfsii htf4 can significantly increase the number of effective leaves, plant height and biomass of pepper, and has important application value in the field of microorganisms, especially in the fields of microbial plant growth promoters and green synthesis of IAA (Indoleacetic Acid).

The invention belongs to the technical field of biology, and particularly relates to a method for improving acid-eating bacterium tolerance and degrading high-concentration pyridine. According to the specific technical scheme, the method for improving the tolerance and pyridine degradation capacity of the acidovorax sp. Comprises the following steps: extracting a corncob medullary layer leaching solution, and adding the corncob medullary layer leaching solution into a growth environment of the acidovorax sp. According to the invention, it is found for the first time that the corncob medullary layer leachate can effectively improve the tolerance and high-concentration pyridine degradation capability of acidovorax. By adding the corncob medullary layer leachate in the culture environment of the acidovorax bacteria, the acidovorax bacteria can degrade 99% or more of about 2700 mg / L of pyridine after being treated for about 84 hours. The method provided by the invention can effectively improve the high-concentration pyridine degradation effect of the acidovorax LD-B, the method is simple, and the used corncob is an agricultural waste, is wide in source and low in price, has both environmental friendliness and sustainability, greatly reduces the application cost, and has huge popularization value.

The present application relates to the technical field of plant extract application, and particularly relates to a bacteriostatic agent containing vitex extract and application thereof.The main active ingredient of the bacteriostatic agent is vitex extract and zanthoxylum bungeanum extract.It is found for the first time that the composition of vitex extract and zanthoxylum bungeanum extract can effectively inhibit Acidovorax citrulli and Acidovorax avenae subsp.avenae.

The invention belongs to the technical field of microorganisms, particularly relates to an acid-producing Klebsiella oxytoca strain and application thereof, and provides the acid-producing Klebsiella oxytoca strain YS-pp-01 which is classified and named as Klebsiella oxytoca and has the preservation number of CGMCC No.32447. Efficient synthesis of a quality component EPSFs compound in tea leaves is achieved through fermentation of microorganisms provided by the invention; compared with other separated endophytes, the endophyte disclosed by the invention has a remarkable catechin conversion function, and the yield of theabrownin, theaflavin and other star components in tea is also greatly increased after microbial culture.

This invention discloses an imine reductase mutant and its application in catalyzing the synthesis of amine compounds. The invention utilizes an ultra-high performance liquid chromatography (UHPLC) method to detect the source... Acidovorax Novel imine reductase Ac IRED mutation screening yielded a super mutant with high activity, high stability, and broader applicability to non-natural substrates. This mutant exhibited enhanced catalytic performance against 1-naphthyl ethylone and cyclopropylamine, and also improved activity against various ketone compounds and multiple amine nucleophiles. This invention… Ac IRED-M5 mutant activity compared to wild type Ac Compared to IRED-WT, it improved by 41.5 times, and the product... e.e. Values ​​above 99%; mutant Ac IRED-M8 mutant activity compared to wild type Ac Compared to IRED-WT, it improved by 120.5 times, with substrate conversion >90%, and product... e.e. With a value of over 99%, it has the potential for industrial applications.

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 watermelon acidophilus bacteriophage and application thereof, and relates to the technical field of biology. The invention provides an Acidovorax citrulli phage ACP1 and an Acidovorax citrulli phage ACP2, wherein the preservation numbers of the Acidovorax citrulli phage ACP1 and the Acidovorax citrulli phage ACP2 in the China Center for Type Culture Collection (CCTCC) are respectively CCTCC NO: M 20242161 and CCTCC NO: M 2025461. The watermelon acidophilus bacteriophage ACP1 and the watermelon acidophilus bacteriophage ACP2 provided by the invention have relatively strong lysis activity on watermelon acidophilus, are good in stability and high in safety, can be used for preparing watermelon acidophilus detection products, and can also be used as biological disinfectants or biological pesticides, so that bacterial diseases caused by the watermelon acidophilus are effectively prevented and treated.

The invention relates to acidovorax vorenii and application thereof in growth promotion and yield increase of rice, and belongs to the technical field of microorganisms. A strain of acidovorax wonderi D2 is separated from rice roots through a dilution plate coating method, the acidovorax wonderi D2 is identified as acidovorax wonderi through 16S rRNA gene sequence analysis, the two strains (D2 and SM13) are both preserved in the China Center for Type Culture Collection (CCTCC), the preservation numbers are respectively CCTCC M 2025811 and CCTCC M 2025812, and the preservation date is April 17, 2025. The acidovorax warneri D2 can cooperate with bacillus subtilis SM13 to enhance growth promotion (IAA production, phosphorus solubilization and nitrogen fixation) on rice and tolerate soda salt (Na2CO3: NaHCO3 = 1: 9) stress (200 mmol / L), and the rice yield is increased by 12.48%. The ratio of the two strains is 1: 1, the composite bacterial liquid can be used as a microbial agent of a microbial fertilizer for the rice in the cold region, the tillering number, the plant height, the overground dry matter weight and the rice yield in the tillering stage of the rice are remarkably increased, data support is provided for application of synthetic microbial communities in the rice cultivation process, and the application prospect is wide.

This invention discloses a strain of Delftia acidovorans and its application in the decomposition of ascaroside #18. The strain is named Delftia acidovorans 31D, with accession number GDMCC No: 63491. This invention is the first to demonstrate that Delftia acidovorans 31D can decompose ascaroside #18. This research provides a reference for improving the production level of ascaroside #18 by plant-parasitic nematodes.

The application discloses watermelon acidovorax bacteriophages and application thereof, and relates to the field of biotechnology. The application provides watermelon acidovorax bacteriophages (Acidovorax citrulli phage) ACP1 and ACP2, and the preservation numbers of the two bacteriophages in China Center for Type Culture Collection are CCTCC NO: M 20242161 and CCTCC NO: M 2025461 respectively. The watermelon acidovorax bacteriophages ACP1 and ACP2 provided by the application have strong lytic activity on watermelon acidovorax, and have good stability and high safety, and can be used for preparing watermelon acidovorax detection products, and can also be used as biological disinfectants or biological pesticides, so that bacterial diseases caused by watermelon acidovorax can be effectively prevented and treated.

The present invention relates to a method for improving the shelf life quality of fresh-cut vegetables based on green cold sterilization and a product thereof, belonging to the technical field of antibacterial preservation of fresh fruits and vegetables. The method comprises placing fresh-cut vegetables in a solution containing slightly acidic electrolyzed water (SAEW), nisin, zinc gluconate / ferrous gluconate (C 12 H 22 O 14 Zn / C 12 H 22 FeO 14 ) and micro-nano ultrasonic technology for treatment, combined with dehydration, packaging and refrigeration steps, effectively delaying the browning of fresh-cut vegetables and inhibiting the growth of microorganisms, significantly improving the shelf life quality. Preferably, the effective chlorine content of SAEW is 50mg / L, the mass concentration of nisin is 300mg / L, the micro-nano ultrasonic treatment frequency is 20‑40kHz, the power density is 100‑300W / L, and the treatment time is 5min. The experimental results show that when the method is stored at 10±1°C for the 8th day, the browning index and the total number of microbial colonies of fresh-cut vegetables are significantly reduced, and a high color, chlorophyll content and taste quality are maintained, while the growth of Acidovorax and Plectosphaerella is inhibited. The present invention has broad application prospects in the field of fresh-cut vegetable preservation, especially in extending the shelf life, improving quality and reducing energy consumption. Excellent effects are shown.

The present invention belongs to the field of microbial technology, and particularly relates to a Burkholderia strain BWT1.3 that antagonizes multiple plant pathogenic bacteria and its applications. The Burkholderia strain BWT1.3 provided by the present invention is deposited in the Guangdong Provincial Culture Collection of Microorganisms, with the deposit number of GDMCC NO. 62714. Through plate confrontation studies, it is shown that this strain has significant inhibitory effects on various plant pathogenic bacteria such as Xanthomonas citri, Acidovorax avenae subsp. citrulli, Ralstonia solanacearum, Rhizoctonia solani, Fusarium oxysporum, and Colletotrichum musae, and can be used in plant biological control. At the same time, the bacterial liquid and fermentation broth of this strain have obvious lethal effects on Meloidogyne incognita and can be used in the control of plant root-knot nematode diseases. The Burkholderia strain BWT1.3 provided by the present invention not only has antagonistic effects on plant pathogenic bacteria, but also has good control effects on plant diseases and pests caused by pathogenic fungi and root-knot nematodes, and has extremely high utilization value.