139 results about "Gibberella" patented technology

The invention relates to a method used microorganism enzyme resolution DL-pantoic acid lactone to produce D-pantoic acid. It uses the D-pantoic acid lactone hydrolase strain of the fusarium, gibberella, aspergillus, penicillium, rhizopus, gliocladium, aureobasidium to ferment and culture, uses wet thallus as coarse enzyme, DL-pantoic acid lactone as substrate to produce D-pantoic acid. L- pantoic acid lactone can be reclaimed. The DL-pantoic acid lactone gained by racemization reaction can newly be used to do resolution.

The invention discloses a gibberella and a method for fermentation production of a gibberellin GA4+7. The method belongs to the field of fermentation engineering. The method comprises the following steps of plate culture, seed culture and fermentation culture, wherein in the fermentation culture, condition control is carried out. A mixed carbon source is added into a fermentation culture medium; and at a particular moment, the fermentation culture medium with the mixed carbon source is added with vegetable oil and a characteristic precursor and an oxygen flux of the fermentation culture medium with the mixed carbon source is increased so that a GA4+7 valence is improved. The gibberellin GA4+7 obtained by gibberella fermentation has a high valence and a low cost, is convenient for operation and is conducive to industrial production.

The invention belongs to the field of genetic engineering, and discloses a receptor protein kinase gene and an expression vector and application thereof. The complementary deoxyribonucleic acid (DNA) sequence of the receptor protein kinase gene TaRLK-B is a sequence identifier number 1 (SEQ ID N0.1), and the coded amino acid sequence of the receptor protein kinase gene TaRLK-B is an SEQ ID NO.2. The gene is from a wanghuibai variety of common wheat (Triticum asetivumL.), and is reported in the wheat for the first time. The TaRLK-B is induced by a gibberellic disease in wanghuibai one variety of the wheat capable of resisting the gibberellic disease to be enhanced in expression, and the expression level of the TaRLK-B is much higher than that in Alondra's one variety of the susceptible wheat. The gene is inserted in pAHC25 to obtain an overexpression vector to convert yang wheat 158 one variety of the wheat affected by the gibberellic disease. After identification of T0-generation gibberellic disease resistance, results show that overexpression of the TaRLK-B can improve resistance of varieties of wheat affected by the gibberellic disease on the gibberellic disease.

The invention discloses a plant disease resistance-related protein and a coding gene and application thereof. The protein is (a) or (b): (a) a protein consisting of an amino acid sequence shown as the sequence 1 in a sequence table, and (b) a protein which is derived from the sequence 1, related to the plant disease resistance and obtained by substituting and/or losing and/or adding one or more amino acid residues in the amino acid sequence of the sequence 1. When the coding gene of the protein is transferred into a plant, a transgenic plant with obviously improved disease resistance can be obtained. The plant disease resistance-related protein and the coding gene and application thereof have great significance for the cultivation of disease-resistant plants, particularly sheath blight-resistant and gibberella-resistant plants.

The invention relates to a heterocycle substituted 1,3,4-oxadiazole compound and a preparation method and application thereof. The compound includes the following steps shown in the general formula (I) in the description. The compound has a good inhibitory effect on pathogenic bacteria and fungi, such as rice white leaf diseases, citrus canker diseases, pepper wilt pathogenic bacteria, blueberry phytophthora lateralis, wheat gibberella saubinetii, potato phytophthora infestans, oilseed rape sclerotinia sclerotiorum, dragon-fruit colletotrichum orbiculare and the like.

The invention relates to a preparation method for a carbazolylv isopropanolamine derivative with the chiral center and application. The structure of the compound is shown in the formula (I), and the compound achieves the better effect of inhibiting xanthomonas oryzae, ralstonia solanacearum, cucumber xanthomonas oryzae, konjak xanthomonas oryzae, xanthomonas citri, grape ulcer bacteria, tomato ulcer bacteria, kiwi fruit ulcer bacteria, apple ulcer bacteria, cucumber botrytis cinerea, chili blight bacteria, sclerotinia sclerotiorum, wheat gibberella saubinetii, potato late blight, blueberry root rotting bacteria and the like.

Belonging to the field of biotechnologies, the invention relates to a strain of Gibberella intermedia CA3-1 for high-efficiency conversion of dehydroepiandrosterone (DHEA) and its application. The strain is preserved in China General microbiological culture collection center and has a preservation number of CGMCCNo.4903. The Gibberella intermedia CA3-1 can convert DHEA into 3beta, 7alpha, 15alpha-trihydroxyandrost-5-ene-17-one. Under the condition of a substrate feeding amount of 5.0g/L, the substrate conversion rate can reach about 90%, and the product yield can be about 80%, so that the strain provided in the invention is of great significance for steroid drug production by bioconversion.

The invention belongs to the field of biotechnology, and particularly relates to a method for converting 3-cyanopyridine into nicotinic acid by using gibberella intermedia CA3-1. The strain is collected at the China General Microbiological Culture Collection Center with a collection number of CGMCC No. 4903. The strain can be used for converting the3-cyanopyridine into the nicotinic acid under the condition of substrate concentration of 5.2 g/L (50 mM), the substrate conversion efficiency reaches up to 98 percent; under the condition of the optimum reaction temperature of 30 DEG C, the half life reaches up to 231.1 h; and the nitrilase of the strain CA3-1 has a broad substrate spectrum, and various single nitrile and double nitrile compounds can be converted.

The invention discloses a method for identifying and evaluating wheat scab expansion resistance. The method is mainly characterized in that after wheat ears, gibberella spore liquid is injected into internode stems below ears and not dropped into florets, and the wheat scab expansion resistance is comprehensively evaluated according to occurring time of a first disease spikelet and the rate of the disease spikelet in the 22-25th day after inoculation. The method has the greatest advantages that moisturizing measures are omitted after inoculation in a large field or greenhouse environment, and the method solves the problem that a traditional single flower dripping method needs the moisturizing measures such as bagging or spraying and water spraying for identification. Compared with the traditional single flower dripping method, the method is higher in inoculation and lower in cost, disease prevalence rate is decreased, phenotypic difference resisting and sensing capacity of varieties is maximized, and common technicians can more effectively judge the scab expansion resistance of wheat varieties.

The invention relates to a sterilization composition containing metconazole and albendazole. The effective active ingredients of the sterilization composition comprise the metconazole and the albendazole. When the weight ratio of the metconazole and the albendazole is 40-1:1-40, the sterilization composition has the synergistic effect on inhibition of growth of gibberella saubinetii. The sterilization composition is wide in bacteriocidal spectrum. Preparations processed according to different proportions can be used for controlling wheat scab, powdery mildew, the rust disease, grey mould fruit rot of strawberries and the rice sheath blight disease, the control efficiency of the sterilization composition to different diseases can reach more than 75%-99%, and the sterilization composition has the advantages of having fast-acting property and being good in persistence, and can improve the wheat yield and the wheat quality. The sterilization composition is novel in action mechanism and multiple in acting site, and can govern pesticide resistance of the gibberellic disease to carbendazim and erysiphe cichoracearum to triadimefon and delay occurrence and development of pesticide resistance of pathogenic bacteria to triazole bactericides.

The invention discloses Fusarium fujikuroi GA-251 and applications thereof, wherein the Fusarium fujikuroi GA-251 is a Gibberella fujikuroia mutant strain and has high yield of gibberellin GA3. The Fusarium fujikuroi GA-251 is preserved in China Center for Type Culture Collection, wherein the address is Wuhan University, Wuhan, China, the postal code is 430072, the preservation number is CCTCC NO:M 2019201, the preservation date is March 25th, 2019. The strain is obtained by carrying out radiation composite mutagenesis on protoplasts through lithium chloride and cobalt 60, and gibberellin GA3production of the strain is improved by 20%. The method has the advantages of high titer and easy extraction of the final product, and overcomes the defects of low fermentation titer and high cost oforiginal processes.

The invention relates to a preparation method for carbazolyl isopropanolamine derivative and application thereof. The structure of the compound is shown in the formula (I), and the compound achieves the better effect of inhibiting xanthomonas oryzae, ralstonia solanacearum, cucumber xanthomonas oryzae, konjak xanthomonas oryzae, xanthomonas citri, grape ulcer bacteria, tomato ulcer bacteria, kiwifruit ulcer bacteria, apple ulcer bacteria, cucumber botrytis cinerea, chili blight bacteria, sclerotinia sclerotiorum, wheat gibberella saubinetii, potato late blight, blueberry root rotting bacteriaand the like.

The invention relates to the genetic engineering field, especially to a novel gibberella Gibberela.sp. F75 with a preservation number CGMCC No.2499, and an acidic alpha-galactosidase Aga-F75 of antiprotease from said strain, further a gene thereof and a recombinant vector containing said gene. The amino acid sequence of the alpha-galactosidase Aga-F75 is shown as SEQ ID NO.1. The enzyme has a proper action pH value, a stronger protease resistance and a better hydrolysis ability for various substrates and is used for the feed and food industries as a feed or food additive agent.

The invention belongs to the field of application of bioengineering technology, and particularly relates to a method for preparing nicotinic acid by immobilizing nitrilase-producing Gibberella CA3-1 (Gibberella intermedia, CGMCC No. 4903) with polyvinyl alcohol-chitosan and sodium alginate-gelatin composite materials and crosslinking respectively with glutaric dialdehyde and genipin. The genipin is used for preparing immobilized cells for the first time to enhance the mechanical properties of the immobilized cells. The method comprises the following steps: immobilizing Gibberella CA3-1, adding a proper amount of 3-cyanopyridine, and reacting under the optimal reaction conditions to obtain the product nicotinic acid. The research detects that the chitosan-polyvinyl alcohol immobilized cells crosslinked by the genipin have better activity retentivity and reutilization property than immobilized cells crosslinked by glutaric dialdehyde, and have higher activity than the sodium alginate-gelatin composite material; the chitosan-polyvinyl alcohol immobilized cells crosslinked by the genipin can be reutilized repeatedly, have higher substrate tolerance, and can enhance the production capacity of unit thalli. The method provides technical support for continuous production of nicotinic acid from 3-cyanopyridine by using the Gibberella CA3-1.

The invention discloses a desulfurization, denitrification and carbon reduction agent and a preparation method and an application thereof. The preparation method of the desulfurization, denitrification and carbon reduction agent comprises the following steps: carrying out reaction on bio-industrial waste residue for 2-4 days in water under the action of microbial bacteria for obtaining a mixed product, then filtering the mixed product, and taking filtrate, wherein the microbial bacteria comprise alcaligenes sp and one or more of the following microbial bacteria: penicillium sp, gibberella, colistin sulphate and microzyme; and the cell concentration of the microbial bacteria is 1.3 multiplied 102-8.9 multiplied by 103/mL. Filter residue obtained after filtering the mixed product which is prepared by the raw material bio-industrial waste residue and/or the method is further reacted with water solution of alkali, thereby obtaining the solid desulfurization, denitrification and carbon reduction agent. The main raw materials of the desulfurization, denitrification and carbon reduction agent are waste materials in other fields, thereby having low cost, hardly increasing ash content in the preparation of gasification briquettes, further effectively realizing desulfurization, denitrification and carbon reduction, and having the same significant effects when being used for desulfurization, denitrification and carbon reduction of flue gas, formed coke or formed iron of electric power plants.

The present invention relates to modified filamentous fungal organisms having improved activity profiles with respect to the conversion of complex carbohydrates into simple sugars from cellulosic materials, including fungal organisms belonging to a genus selected from the group consisting of: Chrysosporium, Thielavia, Talaromyces, Thermomyces, Thermoascus, Neurospora, Aureobasidium, Filibasidium, Piromyces, Corynascus, Cryplococcus, Acremonium, Tolypocladium, Scytalidium, Schizophyllum, Sporotrichum, Penicillium, Gibberella, Myceliophthora, Mucor, Aspergillus, Fusarium, Humicola, Trichoderma, and Talaromyces, plus anamorphs and teleomorphs thereof. Filamentous fungal organisms having improved activity profiles are obtained by modifying genes encoding enzymes involved in the production of cellobionolactone, cellobionic acid, gluconolactone, gluconic acid, and related products, by a variety of mutagenic methods, resulting in nucleotide substitutions, insertions, and deletions, increasing the level of saccharification in enzyme mixtures obtained from the modified organisms.

The invention discloses a preparation method of tebuconazole suspension concentrates used for preventing crop rust, powdery mildew, net blotch, foul foot and gibberella zeaze petch of wheat and barley, groundnut early leaf spot, exobasidium vexans massee of tea plants, and bunt smut. The preparation method comprises the following steps of dispensing, emulsifying, sanding, mixing, secondary-dispensing, stirring, canning and the like, wherein all components are prepared at the first dispensing according to a certain weight. The invention prevents products from layering, degrading and agglomerating, and has the advantages of good product stability, good use effect, low production cost, high drug effect, and good economic benefit.

The present invention provides an alkaloid compound that is an inhibitor of mycotoxin biosynthesis. The alkaloid is an alkenyl piperidine amide wherein the alkenyl is a C18 alkenyl with one or more double bonds. The alkaloid inhibits transcription of the fungus genes nor-1, tri5, and ipnA. The present invention further provides a method for identifying compounds, which inhibit biosynthesis of aflatoxin in Aspergillus spp. and deoxynivalenol in Gibberella spp. without inhibiting growth of the fungus in vitro.

The invention discloses a Yangbi walnut germin-like protein gene JsGLP1 and an application thereof. The nucleotide sequence of the JsGLP1 gene is as shown in SEQ ID NO:1, and is capable of encoding germin-like protein. Through functional genomics related technological research, the gene JsGLP1 is proved to have the function of enhancing plant fungal infection resistance; the antifungal gene disclosed by the invention is constructed on a plant expression vector and is transferred into tobacco for over expression; the transgenic tobacco plant is strong in the in-vitro antifungal activity; and JsGLP1 over-expression transgenic tobacco has a significant inhibitory effect on the growth of sclerotinia sclerotiorum, beaded gibberella, colletotrichum gloeosporioides and fusarium oxysporum.