48 results about "Mycosphaerella" patented technology

The invention discloses a pediococcus pentosaceus strain, ferment produced thereby and the use of ferment in meat product, wherein the docket number of the R9(Pediiococcus Pentosaceus I9) strain in the Chinese Microbiological Culture Preservation Administration Commission Common Microbiological Center is CGMCC No.0918. The leaven prepared from the bacterial can be applied into the fermentation production of meat food.

The invention relates to the technical field of biology and particularly relates to paracoccus denitrificans and an application thereof in treatment of livestock farm wastewater. The paracoccus denitrificans TDFQ-1 is collected at the China Center for Type Culture Collection (CCTCC), and the collection number is CCTCC NO:M2017238. The bacterial strain has the advantages of being high in growth speed, high in environmental tolerance and good in growth in an organic culture medium. The paracoccus denitrificans has a heterotrophic nitrification capability and an aerobic denitrification capability, and is capable of reducing harmful substances, such as ammonia nitrogen and nitrate in water, especially removing the ammonia nitrogen in the livestock farm wastewater with relatively high organic matter content and improving the breeding environment. The bacterial strain is capable of efficiently degrading fluoroquinolone antibiotics when treating the wastewater, reducing the pollution of the antibiotics to soil and water sources and protecting the human health.

The present invention relates to a new strain of coronavirus and its application. Said invention utilizes the throat-swabbed cell colture of SARS patient to separate out a new type coronavirus, called by name of SARS coronavirus Fudan I strain. By infecting Vero E 6 cell and patient's serum the indirect FA display is positive, after the influenza virus A and B, RS virus and pathogens of pneumococcus, etc. are excluded, the tests show that said separated coronavirus is a variant strain of new coronavirus. Said strain can be used for providing basis for preparing SARS diagnosis reagent and researchnig and producing medicine for resisting and curing SARS disease.

The invention relates to a pediococcus pentosaceus G11 strain as well as screening and applications of the pediococcus pentosaceus G11 strain. The pediococcus pentosaceus G11 strain is preserved in the China Center for Type Culture Collection, and is assigned with the accession number of CCTCC NO:2016248. The pediococcus pentosaceus G11 strain has tolerance to compound sulfamethoxazole and ceftazidime, has antibacterial activity for vibrio parahaemolyticus, aeromonas hydrophila, vibrio alginolyticus, staphylococcus aureus and beta streptococcus, has certain stress resistance and enzyme producing ability, is free of hemocyte solubility, and has no drug tolerance for most antibiotics; the dipping bath experiment proves that the pediococcus pentosaceus G11 strain is harmless to the host, can improve the immunity of the body, has wide application prospects, can be applied to probiotic preparations, and also can be prepared into bacterial powder which is then added into a feed as a feed additive, further, the growth of pathogenic bacteria in the bodies of the animals is inhibited, so that the death rate of animals is reduced, and the pediococcus pentosaceus G11 strain is a probiotic brain worthy of development.

The invention discloses an application of a distyrene-like compound containing thiazole ring as a sterilizing agent. A synthesized compound is subjected to antifungal activity testing as fusahum graminearum, mycosphaerella melonis, botrytis cinerea and thanatephorus cucumeris, testing structures can prove that (E)-4-(2,6-difluorophenyl)-2-substituted styryl thiazole compounds have certain inhibition activity for test targets, the inhibition rates of compounds Ic, If and Ii for fusahum graminearum are 50% or above, and the inhibition rates of compounds Id and Ii for mycosphaerella melonis are 55% or above, wherein the inhibition rate of the compound Id for mycosphaerella melonis is 61.6%, which shows medium inhibition activity.

The invention relates to a genetically engineered bacterium with high-yield electroactivity and environmental stress tolerance. The lactic dehydrogenase gene ldhA in a pseudomonas aeruginosa PAO1 genome is knocked out, and the PAOl knockout strain is obtained; then a global regulatory factor IrrE of the deinococcus radiodurans is guided into the ldhA-, and the genetic engineering strain ldhA--irrE is obtained. After the thallus treated through a chemical agent is inoculated to a microbial fuel cell, the generated voltage and power density are improved by 46.76%-53.33% than those of the wild type strain, the time for stabilizing a system is shortened by 28.57%, the internal resistance of the system is reduced by 12.66%, the voltage under polyethylene glycol treatment is 543, the power density is 207, the stabilizing time is 130 h, the internal resistance reaches 420.32, and the survival rate of the engineered strain under the hunger condition, the high-acid-base condition and high-salt condition are improved by one time than those of the wild type strain.

The invention relates to processes of culture of a Deinococcus or a related bacterium using an oxidizer in conditions suitable for allowing the growth of Deinococcus and decreasing the growth of at least one other microorganism.

The invention discovers that dap gene (DRB0118) in Deinococcus radiodurans R1 improves the resistance of prokaryotes and plants. The invention constructs a recombinant vector comprising the gene; and the recombinant vector is transferred into prokaryotic and eukaryotic host cells. Experiments prove that: after the dap gene (DRB0118) is expressed in prokaryotic host cells and tobacco, the salt resistance of the prokaryotic host cells and the tobacco can be improved.

The invention belongs to the field of sewage treatment, and relates to a microbial preparation for urban green land sewage treatment and a using method thereof.The preparation is prepared from mixed bacterium liquid and a carrier according to the weight ratio of 1:2, wherein the mixed bacterium liquid is prepared from actinomycetes, alcaligenes, bacillus pumilus, candida mycoderma bacteria, bacillus mucilaginosus, clostridium papyrosolvens and paracoccus denitrificans.According to the microbial preparation and the using method thereof, various bacterium strains which can form dominant bacterial communities are prepared into the efficient microbial preparation, and the sewage treatment effect is good.

The invention provides enterococcus faecium, a high-density fermentation method of enterococcus faecium, and a microecological preparation prepared by adopting enterococcus faecium, belonging to the technical field of culturing of lactic acid bacteria. An enterococcus faecium strain with the obvious probiotic property and stress resistance is screened and taken as a feed additive, and the enterococcus faecium strain can effectively replace part of antibiotics. The enterococcus faecium provided by the technical scheme is E13-5, and is assigned with the preservation number of CCTCC M2017191. Theenterococcus faecium provided by the invention can be used as the safe and efficient novel feed additive for replacing part of the antibiotics, and thus the demands of the modern feed industry and livestock breeding industry are satisfied.

The invention provides paracoccus denitrificans and method for biological denitrification with combination of mineralized bed and paracoccus denitrificans. The paracoccus denitrificans is autotrophicdenitrification paracoccus denitrificans TNS-1, mineralized garbage is selected as a main ingredient of a packed bed, waste is recycled, the biologic enhancement effect is adopted for total nitrogen removal, and the wastewater nitrogen removal method is environmentally friendly, free of secondary contamination, low in treatment cost, low in energy consumption and low in carbon.

The invention provides a novel neisseria gonorrhoeae liquid culture medium, and a method for applying the same to a drug sensitivity test of neisseria gonorrhoeae, and relates to the technical field of drug sensitivity detection. The novel neisseria gonorrhoeae liquid culture medium is prepared from beef infusion liquid, fetal bovine serum, peptone, agar, a growth additive and basic meat soup, sothat the neisseria gonorrhoeae is grown well in the culture medium and observation of a bacterial colony influencing the growth of the neisseria gonorrhoeae caused by pigments or turbidity phenomena does not exist; according to the detection method of the drug sensitivity of the neisseria gonorrhoeae, co-incubation of the neisseria gonorrhoeae cultured in the neisseria gonorrhoeae culture medium and medicines with different concentration is carried out, and the minimum inhibitory concentration of the medicines is determined according to the turbidity extent of the neisseria gonorrhoeae culturemedium to obtain the drug sensitivity of the neisseria gonorrhoeae; moreover, detection speed is high, and the technical problem that a detection method for quickly, efficiently and accurately detecting the neisseria gonorrhoeae drug sensitivity is lacked in the prior art is solved.

The invention provides a hybridoma cell strain Sino11A of a type 11A pneumococcal monoclonal antibody. The preservation number of the pneumococcal monoclonal antibody is CGMCC No.9234. The monoclonal antibody provided by the invention is good in specificity and high in level, can be stored for a long period of time, and can be applied to content detection of type 11A pneumococcal polysaccharide and type 11A polysaccharide in a pneumonia polysaccharide vaccine.

The invention relates to the field of desorption of pollutants in environment or food through microorganism, in particular to pediococcus acidilactici, with high adsorption capacity to cypermethrin, which is separated and screened out from homemade pickles in Sichuan traditional families. The pediococcus acidilactici capable of effectively absorbing cypermethrin, with the strain number being D15,is registered and preserved in China General Microbiological Culture Collection Center; the preservation number is CGMCC No.16133, and the preservation data is July 19, 2018. The pediococcus acidilactici can effectively absorb cypermethrin, and further has certain absorption effect on other pyrethroid pesticides. The pediococcus acidilactici D15 can be developed into corresponding biological agents to be used for the desorption of pyrethroid in environment or food; or the pediococcus acidilactici D15 can be developed into health food or medicine to reduce the harm to human exposure by the pyrethroid pesticides.