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Antibiosis streptomycete

A technology against streptomyces and strains, applied in the directions of bacteria, biocides, microorganisms, etc., can solve the problems of long use time, and achieve the effect of good function and high activity

Inactive Publication Date: 2011-01-19
刘昶志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the existing antibiotic agents have been used for a long time, new replacement products are also required to replace or cross-use them to reduce the emergence of biological resistance of diseases

Method used

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  • Antibiosis streptomycete
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] (1). Strains

[0052] The experiment number of Streptomyces antibioticus is SIM-fs. At a distance of 130cm, the absorbed dose is 600Gy(xMrad), the 60 Mutagenesis under Co-r radiation irradiation, the strains with greater antifungal activity were obtained through screening, and the performance was stable after five generations of transfer culture. The experiment number is: SIM001

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Abstract

The invention relates to an antibiotic streptomyces, fermentation product of which can inhibit broad spectrum fungus and protozoan, and field experiment can control crop fungus plant disease and root-knot nematode. The antibiotic streptomyces has good effect, no pollution nuisance and no residue. The antifungal agent has extremely low hazardness for the people and good performance and developmentprospect for medical and agricultural use. The invention is named as SIM001 antibiotic streptomyces which is Streptomyces antibioticus subspecies xi an, and is preserved as patent in the depositary institution appointed by patent office of state intellectual property office; the preservation data is April 14th, 2005, the name of the depositary institution is CGMCC, and the number of preservation is CGMCC No.1349. The whole cell hydrolysate of the antibiotic streptomyces contains L, L-DAP (Diaminopimelic acid) and no characteristic glucide; the cytoderm belongs to I type and glucide type C; one of the main antibacterial materials is polyene macrocyclic ketolide which belongs to the broad spectrum antifungal substance.

Description

1. Technical field: [0001] The invention relates to a strain and its use, in particular to a mutagenic strain of resistant Streptomyces and its use. 2. Background technology: [0002] At present, commercial crops such as greenhouse vegetables are prone to mold diseases and root-knot nematodes due to poor air circulation and high temperature and humidity in greenhouses. These diseases can breed and spread in greenhouses and greenhouses, not only becoming the number one killer of commercial crops in greenhouses, but also spreading to cultivated crops in open fields. They can cause harm alone, and can also cause compound infection together with other pathogens, aggravating the occurrence of soil-borne diseases and forming epidemic diseases. The occurrence of these diseases generally results in crop yield reduction, and in severe cases, crop yield may also be eliminated. [0003] For the control of these plant diseases, chemical agents have always been the main method. The lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N13/00A01N63/02A01P3/00A01P5/00C12R1/465
Inventor 郭崇华吕之尧
Owner 刘昶志
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