8 results about "Geotrichum" patented technology

The application discloses application of a CsERF017 gene or a protein coded by the same in regulation of resistance of navel orange fruits to sour rot, and belongs to the technical field of molecular biology and fruit and vegetable preservation. A nucleotide sequence of the CsERF017 gene is shown in SEQ ID NO. 2, and an amino acid sequence of the protein coded by the same is shown in SEQ ID NO. 3. The application finds through experiments that the CsERF017 gene is up-regulated after infection of a citrus sour rot pathogen Geotrichum candidum, and silencing or knocking out the CsERF017 gene can enhance the resistance of navel orange fruits to sour rot, and the specific performance is that, compared with a control, the transgenic fruits after inoculation of the G. candidum have reduced symptoms of sour rot, and both a disease index and a TA content are reduced. The application provides an important gene bank and new insights for breeding of citrus disease-resistant varieties and development of molecular markers, and is helpful to fundamentally reduce the dependence on chemical synthetic pesticides in postharvest preservation treatment of citrus fruits.

This invention belongs to the field of biological agent technology, specifically relating to a strain of *Trichoderma*, a biocontrol agent, a bio-organic fertilizer, and methods and applications for controlling plant diseases. This invention provides a strain of *Trichoderma* P11, with accession number CCTCC NO: M 2024648. The *Trichoderma* P11 of this invention can enhance positively correlated disease resistance genes in plants. PnCAD , PnSN1 , PnDEFL1 The relative expression level of *Trichoderma* P11 was increased, enhancing the activity of disease resistance-related enzymes SOD, POD, and CAT. Furthermore, *Trichoderma* P11 could damage the cell membrane of pathogens, inhibiting their growth. *Trichoderma* P11 also exhibits good rhizosphere colonization ability. The results of the examples show that *Trichoderma* P11 of the present invention can reduce the incidence of root rot in Panax notoginseng fields and can also antagonize various pathogens such as *Pseudomonas aeruginosa*, *Pseudomonas oryzae*, *Geotrichum candida*, *Early Blight of Tomato*, *Phytophthora indicum*, *Phytophthora capsici*, and *Alternaria spiralis*.

This invention discloses bacterial strains, compound microbial agents, and a method for rapidly preparing Luocheng rice noodles, relating to the field of food processing technology. The bacterial strains used for preparing Luocheng rice noodles include *Geotrichum candida* (…). Galactomyces candidum ) Mei3303.1, Pediococcus acidilactici ( Pediococcus acidilactici Mei.1103.1 and Lactobacillus paracasei ( Lactobacillus paracasei Both Mei1104.02 and Mei1104.02 have been deposited at the China General Microbiological Culture Collection Center. The beneficial effects of this invention are that by strengthening the fermentation process with compound microbial agents, it can improve fermentation efficiency, shorten fermentation time, inhibit the growth of other miscellaneous bacteria, and improve the flavor stability and safety of rice noodles.

The invention belongs to the technical field of biological agents, and particularly relates to trichoderma harzianum, a biocontrol agent, a bio-organic fertilizer, a method for preventing and treating plant diseases and application. The invention provides a trichoderma harzianum P11 with the preservation number of CCTCC NO: M 2024648. The trichoderma harzianum P11 can improve the relative expression quantity of disease-resistant positive correlation genes PnCAD, PnSN1 and PnDEFL1 in plants and improve the activity of disease-resistant related enzyme activities SOD, POD and CAT, and the trichoderma harzianum P11 can damage cell membranes of pathogenic bacteria and inhibit the growth of the disease pathogenic bacteria. The trichoderma harzianum P11 has good rhizosphere colonization capability. The result of the embodiment shows that the trichoderma harzianum P11 can reduce the morbidity of panax notoginseng field root rot, and can also antagonize ginseng alternaria alternata, magnaporthe oryzae, polygonatum kingianum colletotrichum, geotrichum candidum, alternaria solani, cylindrosporium destroyed, phytophthora capsici and conidiospora spiraea.

The invention discloses streptomyces corchorusii and application thereof, the streptomyces corchorusii is separated from soil, the classification name of the streptomyces corchorusii is Streptomyces corchorusii Sc75, the streptomyces corchorusii is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO.31399. The streptomyces corchorusii is a streptomyces corchorusii strain. The invention further provides a fermentation extracting solution of the strain and volatile antibacterial substances of the strain. The strain has a broad-spectrum antibacterial effect. The Sc75 strain and various bacteriostatic active substances generated by the Sc75 strain can be used for prevention and control of various diseases and have good prevention and control effects. The invention relates to the field of agricultural machinery, in particular to the field of agricultural machinery, such as rice blast caused by Magnaporthe oryzae, apple alternaria leaf spot caused by Alternaria alternata, gray mold on grapes and tomatoes caused by Botrytis cinerea, and sour rot of nectarines caused by Geotrichum candidum, as well as the field of agricultural machinery, such as rice blast caused by Magnaporthe oryzae, apple alternaria leaf spot caused by Alternaria alternata, gray mold on grapes and tomatoes caused by Botrytis cinerea, and sour rot of nectarines caused by Geotrichum candidum. The strain shows huge application potential in plant disease control and fruit preservation.

The invention belongs to the technical field of microorganisms, and relates to a high-sugar-resistant, aroma-producing and wine-producing geotrichum candidum strain and application thereof. The high-sugar-resistant, aroma-producing and wine-producing geotrichum candidum strain BS-2 is preserved in the China Center for Type Culture Collection on January 8, 2025, and the preservation number of the strain is CCTCC (China Center for Type Culture Collection) NO: M 2025067. The invention further discloses application of the geotrichum candidum in production of acid, ester, alcohol and aldehyde ketone substances. The bacterial colony is flat, milky white and flock-shaped, and the cell is cylindrical. The strain has excellent salt (6%, g / L) and acid (pH 3.0) tolerance, good ethanol tolerance (4%, V / V), sugar tolerance (400g / L), high ester yield (7.11 g / L) and certain wine production capacity (2.9% vol). GC-MS (Gas Chromatography-Mass Spectrometer) analysis shows that the relative content of total ester is up to 33.31 The hemolysis effect is avoided, and the hereditary stability is good. Therefore, a theoretical basis is provided for unique flavor application research of the strain leavening agent in fermentation of foods, beverages, spices, cosmetics and the like.

The invention discloses application of a luteolin-zinc composite material in multi-target inhibition of valsa mali, and the luteolin-zinc composite material can cause the membrane potential change of a hypha cell membrane of the valsa mali to generate depolarization and destroy the integrity of the cell membrane to cause the leakage of intracellular nucleic acid and protein, so that the valsa mali is inhibited. An inhibiting effect and a killing effect are achieved on apple rot fungi; the ATP level in cells of valsa mali can be remarkably reduced, the activity of alkaline phosphatase is improved, and the content of malondialdehyde and the level of active oxygen are improved, so that bacteriostasis is realized through multiple ways of interfering energy metabolism, inducing membrane lipid peroxidation, oxidative stress and the like; in drug research and development and practical application, people can more scientifically and efficiently use the composite material to resist the apple rot fungi through the clear key concentration value, namely, the minimum inhibitory concentration of 4mM, and the composite material has important significance for guaranteeing healthy development of the apple industry and is expected to bring a new solution to prevention and treatment of the apple rot.

The invention belongs to the technical field of microbial engineering, and particularly relates to a composite fermentation inoculant for increasing the relative content of ethyl caprylate and application thereof.The composite fermentation inoculant is composed of saccharomyces cerevisiae and geotrichum galactose yeast, and the composite fermentation inoculant is applied to fruit wine production. Compared with a method only adopting the saccharomyces cerevisiae culture solution and the geotrichum galactose yeast culture solution, the relative content of ethyl caprylate in the fruit wine and the richness of ester components in the fruit wine are greatly improved. Specifically, by adopting the method disclosed by the invention, the ester content and substance composition in the grape, pitaya and passion fruit wine can be improved and are remarkably improved compared with those in a fruit juice natural fermentation group, and the produced fruit wine remarkably shows brandy flavor, similar to pineapple flavor and other flavors.