3510 results about "Bacteroides species" patented technology

The invention discloses a streptomyces corchorusii strain NF0919, which is collected in China General Microbiological Culture Collection Center, and has the collection number CGMCC No. 3968. The strain can be used for preventing and treating rhizoctonia cerealis, rice false smut, rice sheath blight disease and other various plant diseases.

The invention discloses an enterococcus faecium EF08 as well as a feed additive and a feed containing the enterococcus faecium EF08. The enterococcus faecium EF08 is collected with the number of CGMCC (China General Microbiological Culture Collection Center) No.5549 in CGMCC. The feed additive disclosed by the invention can be used for reducing the feed excessively consumed by harmful bacteria in intestines by virtue of an equalizing effect of bacteria for equalizing the intestinal environment, furthermore, the conversion rate of the feed for economic animals is increased, the feed for the economic animals can be effectively converted into a primary animal product with an economic value, and then, the effect of increasing the economic values of the economic animals can be improved.

The invention relates to bsacillus subtilis and microbial inoculum using the bsacillus subtilis as active ingredients, which are applied to the field of fruit freshness keeping. The bsacillus subtilis related by the invention is named as Bsacillus subtilis J18, which is preserved in China General Microbiological Culture Preservation and Management Center at present with the preservation number of CGMCC NO: 3665. Strains are prepared into fermentation agents after fermentation culture, and the fermentation agents are respectively mixed with calcium chloride and chitosan solution to be prepared into dry powder preparations and fruit glaze agents with obvious prevention and treatment effects on pear melasma after picking, black rot of pear, grape grey mould, watermelon wilt and the like. The bsacillus subtilis J18 belongs to a strain of antagonistic bacteria with wide-spectrum resistance on fruit and crop diseases.

The invention relates to a bacteria strain for short-cut denitrification and an application thereof. The short-cut denitrification bacteria strain is arthrobacter creatinolyticus FDN-1 and is preserved in Ordinary Microorganism Center of China Committee for Culture Collection of Microorganisms on March 11, 2010, and the preservation number is CGMCC No. 3657. The bacteria strain can directly adopt nitrite nitrogen as a substrate to complete the short-cut denitrification process. When the arthrobacter creatinolyticus FDN-1 is used for processing ammonia-contained waste water, the technique is simple, high denitrification activity can be still obtained under the condition that low-concentration organic carbon source exists, and at the same time the high-concentration organic carbon source can be withstood. When the bacteria strain is in use, the system is rapid to start, and a vast application prospect can be realized in the denitrification treatment process of different types of waste water.

The invention provides an acid-resistant bifidobacterium breve BB8dpH and an application thereof. The nucleotide sequence of the 16SrRNA gene part of the bifidobacterium breve BB8dpH is shown in SEQ ID NO.1, and is stored with the preservation number of CGMCCNo.8370. The bifidobacterium breve BB8dpH is a strain obtained by separating from the dejecta of healthy young people and further screening under the pH 3.2 acid condition. According to the fermentation and culturing process, anaerobic culture at 37 DEG C is carried out in a BL liquid substrate (containing 0.05% cysteine hydrochloride) for 24 hours. The bifidobacterium breve BB8dpH has remarkably better acid resistance than the common strains, and the acid resistance has genetic stability; the bifidobacterium breve BB8dpH has different percent contents of cell membrane fatty acids from the common strains, the average carbon chain length of the bifidobacterium breve BB8dpH is remarkably longer than that of the common strains, and the cell membrane fluidity of the bifidobacterium breve BB8dpH is remarkably lower than that of the common strains; and the bifidobacterium breve BB8dpH is used in the production field of daily fermented food, health-care food and medicines.

The invention relates to a compound microecological preparation used to purify aquaculture water in the field of aquiculture, a preparation form and a preparation process thereof; the preparation is composed of photosynthetic bacterium, bacillus subtilis, denitrifying bacterium, coagulant aid and auxiliary components; the preparation form is composed of an inner layer and an outer layer, wherein, the outer layer comprises bacillus subtilis, denitrifying bacterium and coagulant aid, and the inner layer comprises solid photosynthetic bacterium particles. The invention breaks through the prior theory that people keeps using nitrite bacteria and nitrobacteria to solve the problem of the accumulation of ammonia nitrogen and nitrite in the aquaculture water in the control of aquaculture water, introduces an advanced SHARON theory in wastewater treatment, integrates the characteristics of the aquaculture water quality, purifies the aquaculture water with denitrifying bacteria strains as the main bacteria strains, can quickly and effectively reduce the content of NH3 and NO2- in the aquaculture water, is not inhibited by the concentration of the NO2-, and effectively reduces the oxygen consumption in the aquaculture water.

The invention discloses microbial feed additive used for pigs, and a preparation process thereof; the prescription is as follows: 1 portion of bacillus licheniformis, 1 portion of bacillus subtilis, 2 portions of bifidobacterium, 2 portions of enterococcus faecalis, 2 portions of enterococcus faecium, 1 portion of boas-oppler bacillus, 1 portion of lactobacillus casei, 1 portion of lactobacillus lactis, 1 portion of plant lactobacillus, 1 portion of candida utilis, 1 portion of saccharomyces cerevisiae, 80kg to 100kg of panela, 3kg to 5kg of salt, 5kg to 8kg of vinegar, 3kg to 5kg of lysine, 1kg to 2kg of methionine, and 1000L of pure water; the weight of each portion of strain is 2g to 5g. The preparation process is as follows: strain preparation, nutrient broth preparation, inoculated fermentation and check. The invention reduces the quantity of the used individual strain, and the strain quality is safe and reliable. The production process is simple and feasible, the effect is obvious; therefore, the invention has promotion value.

The invention discloses a lactobacillus plantarum and a preparation method thereof for high-density culture and freeze-drying bacteria powder, and has the technical scheme that the lactobacillus plantarum (Lactobacillus plantarum P8) is probiotics separated from the traditional fermentation milk product (yoghurt) of the Urat Middle Banner of Inner Mongolia Bayan Nur. The probiotics has the characteristics of artificial gastric juice and artificial digestive juice tolerance, cholate tolerance, intestinal agglutination action and common pathogenic entero bacteria inhibition. The bacterial strain of the bacteria is collected in the China general microbiological culture collection center with the collection number of CGMCC (China general microbiological culture collection center) No. 5468 on 18th, Nov., 2011.

The microbial fertilizer is mixture of fermented liquids separately with photosynthetic bacteria, bacillus, actinomycete and lactic acid bacteria. It is prepared through inoculating photosynthetic bacteria, bacillus, actinomycete and lactic acid bacteria separately to the first stage culture medium, and culturing to obtain the first stage bacterial seeds; inoculating the first stage bacterial seeds separately to second stage culture medium, and culturing to obtain the second stage bacterial seeds; and inoculating the second stage bacterial seeds separately to the fermenting culture medium, and culturing to obtain fermented bacterial liquids; and mixing the fermented bacterial liquids in certain proportion to obtain the microbial fertilizer. The present invention also relates to the application of the microbial fertilizer in controlling diseases of tobacco and trees and the usage.

The invention discloses a bacterial strain b capable of resisting the growth of heavy metal Cd and reducing sulfate, and a bacterial strain capable of resisting the growth of the heavy metal Cd and solubilizing phosphate. The classification and name of the bacterial strain b and the bacterial strain are respectively enterbacter ludwigii SRB-2-5U-2 and pseudochrobactrum saccharolyticum LB-4-4-1c, which are already preserved in the Common Microbe Center of the China Committee for Culture Collection of Microorganisms. The bacterial strains disclosed by the invention can be used for simultaneously remediating the surface soil, deep soil and rhizosphere soil of a plant, reducing the pollution of Cd to surface water and underground water, and also improving the activity and fertility of the soil.

The invention discloses bacillus amyloliquefaciens JK6 and biological fertilizer and application. The serial number of strain preservation is CGMCC No. 10658 and is stored in the China general microbiological culture collection center on March 23, 2015. The bacillus amyloliquefaciens JK6 is mainly used for biological prevention and control of pseudomonas solanacearum and is provided with an iron-production carrier, a biological membrane, protease, catalase, cellulose and IAA characteristics, multiple fungal pathogens of banana wilt pathogen, litchi anthrax germs, litchi frost phytophthora pathogens, rice blast fungus, cucumber wilt pathogen and the like, and growth of lettuce plants is obviously promoted; the K6 strain can be successfully planted, and disease preventing functional genes of yndj, srfAB, fend and ituC are expressed in soil; the strain is high in reproduction speed, simple in production technology, high in adverse resistance, easy to store and favorable for industrialized production, the biological fertilizer is prepared with the strain, soil-born diseases can be prevented and controlled, growth of the plants can be promoted, and application prospect is broad.

The invention discloses bacillus megaterium and an application thereof, and belongs to the field of microorganisms. A plant growth promoting bacterium (bacillus megaterium JX15) is collected in the China General Microbiological Culture Collection Center on Dec.20, 2011, the class name is bacillus megaterium and the collection number is CGMCC No.5622. The bacillus megaterium has the beneficial effects that a strain can produce indoleacetic acid with high yield, can be used for nitrogen fixation and can grow by using sparingly-soluble phosphates as phosphorous sources, so as to improve the utilization rates of fertilizers, promote plant root development and absorption of the fertilizers, and increases the contents of soil mineral nitrogen and available phosphorus; the strain has a good effect on promoting growth of peanuts; the high-yield indoleacetic acid promotes the growth and the development of the peanuts; and the nitrogen and phosphate fertilizer utilization rates of the peanuts are relatively high due to the increasing of the contents of the soil mineral nitrogen and the available phosphorus.

The invention discloses a microorganism compound microbial inoculum, the strains of which comprise bacillus, soil actinomycetes, microzyme, mildew and photosynthetic bacteria. By using the microbial inoculum for straw fermentation, a result indicates that the microbial inoculum can make straws quickly decay and transfer to organic fertilizer required for the growth of plants, thereby the content of soil humus is increased, and the content of microorganism and trace elements in soil is improved. The physicochemical property of soil is improved, and the capability of water and fertility preserving of soil is increased. The soil permeability can also be improved so as to inhibit the happening of crop pests, and the output and quality of products can be improved. The microbial inoculum has the advantages of convenient use, low cost and obvious effect.

The invention discloses bacillus amyloliquefaciens and the microbial inoculum and application thereof. Bacillus amyloliquefaciens is a Latin name, the strain number is HC200, and the accession number in the China General Microbiological Culture Collection Center is CGMCC No.10371. The bacillus amyloliquefaciens has a selective antagonism effect on biocontrol bacteria and pathogenic bacteria and has a strong inhibiting effect on fusarium oxysporum, fusarium solani, phytophthora nicotianae and ralstonia solanacearum, and has a good synergetic antagonism effect on pathogenic bacteria by being matched with trichoderma viride H06.

The invention relates to Bacillus amyloliquefaciens and application thereof on aquiculture. The bacterial strain is separated from the substrate sludge of a polluted brook, is identified as the Bacillus amyloliquefaciens and is collected in Microscobial Culture Collection of China. The bacterial strain can normally grow within the temperature of 20 to 45 DEG C and within the pH value of 5.0 to 10.0; the bacterial strain can reach the fermentation terminal point when being inoculated on a broth culture medium the initial pH value of which is 7.0 according to inoculum concentration of 1:20 and cultured for 18 hours at the speed of 150r.min-1 at the temperature of 39 DEG C. The invention is characterized in that the bacterial strain can enable the content of nitrate nitrogen, nitrite nitrogen, COD and the like in a culture water body to be obviously lowered, has no harm to people and livestock and can be produced on a large scale for improving the aquiculture environment. The Bacillus amyloliquefaciens has obvious degradation function on main pollutants in a simulate culture water body and can be made into a micro-ecology preparation for purifying the culture water body.

The invention discloses a compound bacterium for preventing and treating root-knot nematode and a preparation method thereof. The compound bacterium for preventing and treating root-knot nematode is prepared by the following steps: carrying out high-density cultivation on raw material strains of bacillus thuringiensis, pseudomonas fluorescens, bacillus subtilis, streptomycete, aspergillus niger, paecilomyces lilacinus and fusarium oxysporum, inoculating activated and cultivated strains in a fermentation tank and implementing fermentation and extended cultivation; dehydrating and drying various single strains obtained from extended cultivation to obtain resting microorganism dry powder; and mixing 10-20 parts of bacillus thuringiensis, 5-10 parts of pseudomonas fluorescens, 10-20 parts of bacillus subtilis, 10-20 parts of streptomycete, 10-15 parts of aspergillus niger, 10-25 parts of paecilomyces lilacinus and 8-15 parts of fusarium oxysporum to obtain the compound bacterium for preventing and treating root-knot nematode. The compound bacterium disclosed by the invention is used for preventing and treating root-knot nematode; and compared with an existing product, the compound bacterium is environment-friendly, harmless and non-toxic to a human body and good in control efficiency.

The invention provides a microbial composition comprising acetobacter aceti, beauveria bassiana, azospirllum brasilense, nocardia cellulans, bacillus mucilaginosus, metarhizium anisopliae, trichoderma aureoviride and the like. The microbial composition can be stably combined in a microbial agent, is used for improving soil/land and especially can be used for effectively improving soil polluted by heavy metals.

A nucleic acid probe for classification of pathogenic bacterial species is capable of collectively detecting bacterial strains of the same species and differentially detecting them from other bacterial species. Any one of the base sequences of SEQ ID NOS. 81 to 83 and complementary or modified sequences thereof or a combination of at least two of them is used for detecting the gene of an infectious disease pathogenic bacterium.