Bacillus pumilus capable of degrading atrazine efficiently

A technology of Bacillus pumilus and atrazine, which is applied in the field of bioengineering, can solve the problems of not achieving the expected effect, the opposite effect, and the toxicity of secondary products, and achieve the effects of avoiding harm, increasing production, and accelerating degradation

Active Publication Date: 2015-09-02
HEILONGJIANG UNIV
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Problems solved by technology

[0004] With the deepening of people's research on the degradation of atrazine by microorganisms, some problems have gradually emerged. For example, in the laboratory, the degradation effect of microorgan

Method used

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  • Bacillus pumilus capable of degrading atrazine efficiently
  • Bacillus pumilus capable of degrading atrazine efficiently
  • Bacillus pumilus capable of degrading atrazine efficiently

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specific Embodiment approach 1

[0028] Embodiment 1: A strain of Bacillus pumilus that efficiently degrades atrazine in this embodiment is Bacillus pumilus (Bacillus pumilus) gy201401, which is preserved in the General Microorganism Center of China Microbiological Culture Collection Management Committee, and the preservation address is Beijing No. 3, Courtyard No. 1, Beichen West Road, Chaoyang District, the city, the preservation date is December 29, 2014, and the preservation number is CGMCCNo.10252.

[0029] The content of the present invention is not limited to the content of the above-mentioned embodiments, and a combination of one or several specific embodiments can also achieve the purpose of the invention.

[0030] Bacillus pumilus (Bacillus pumilus) gy201401 of the present embodiment is screened in the following way (the screening flow chart is as follows figure 1 shown):

[0031] 1. Domestication: Add 10,000 times of atrazine to the soil (black soil not polluted by herbicides in the experimental ...

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Abstract

The invention provides bacillus pumilus capable of degrading atrazine efficiently and relates to bacillus capable of degrading the atrazine efficiently. The bacillus pumilus is bacillus pumilus gy 201401 and preserved in Common Microorganism Center, China Committee for Culture Collection of Microorganisms, the preservation address is No. 3, yard No. 1, Beichen West Rd, Chaoyang District, Beijing City, the preservation date is 29th, Dec, 2014, and the preservation number is CGMCC No. 10252. The bacillus pumilus belongs to a type of microorganisms which are great in stress resistance, the degradation of atrazine residual in soil is accelerated obviously after the bacillus pumilus is applied, harm of the atrazine residual to next crop of sensitive crops is alleviated or avoided, thereby the crop output is increased, and higher economic benefits are obtained.

Description

technical field [0001] The invention belongs to the technical field of bioengineering, in particular to the discovery of a bacillus capable of repairing atrazine-contaminated soil. Background technique [0002] Atrazine belongs to the triazine herbicides and is a selective systemic conduction pre-emergence and post-emergence herbicide. It has been widely used in my country in recent years, but it is a long-acting herbicide with a long residual time. It is easy to cause pollution to the ecological environment, and its residues will cause serious phytotoxicity to the subsequent sensitive crops, which is an important problem in agricultural production and the ecological environment. In recent years, there have been frequent incidents of atrazine harming sensitive crops (beets, melons, wheat, soybeans, etc.) in recent years, directly causing serious economic losses. [0003] Microorganisms are biological groups with strong ability to degrade organic pollutants. Since 1982, scho...

Claims

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Application Information

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IPC IPC(8): C12N1/20B09C1/10C12R1/07
CPCB09C1/10C12N1/205C12R2001/07
Inventor 於丽华王铁军耿贵殷博惠菲杨云邳植彭春雪孙菲刘慧
Owner HEILONGJIANG UNIV
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