Salt-resistant Serratiasp. strain and application thereof in restoration of salinized petroleum-contaminated soil

A technology of Serratia and Serratia, applied in the field of microbial application technology and contaminated soil bioremediation
CN102382784AInactive Publication Date: 2012-03-21BINZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BINZHOU UNIV
Publication Date
2012-03-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the fields of microbial application technology and biological restoration of contaminated soil, and particularly relates to a Serratiasp. strain and application thereof in the restoration of salinized petroleum-contaminated soil. The Serratiasp. strain disclosed by the invention was preserved by China General Microbiological Culture Collection Center on September 9th, 2011, and the preservation number is CGMCC NO.5236; and the strain can efficiently degrade petroleum in a high-salt liquid environment and salinized soil. The strain is separated out from salinized petroleum-contaminated soil under salt stress conditions. The strain has regular edges, and is round in colony, non-transparent and white in color; and the thallus is a short rhabditiform and gram negativeone having a small size. The invention also discloses a nucleotide sequence of the Serratiasp. strain. The strain can degrade petroleum in a high-salt liquid environment, has a petroleum degradation rate of 60% or above in salinized soil, and has an obvious application effect in the restoration of salinized soil in the field.
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Description

technical field

[0001] The invention belongs to the field of microbial application technology and contaminated soil bioremediation, and in particular relates to a Serratia sp. and its application in oil-polluted salinized soil remediation. Background technique

[0002] During the production and use of petroleum and its petroleum products, soil pollution problems are inevitable. After the soil is polluted by oil, the productivity will decrease, and the harmful components in the oil can also enter the water body, the atmosphere, and even agricultural products, seriously affecting the environmental quality and endangering human health. Experts from various countries have been conducting research and development and tackling key problems in the field of oil-contaminated soil remediation technology. However, due to the complexity of oil components, once it pollutes the environment, it is more difficult to restore. Bioremediation is a very potential method for the treatment of oi...

Claims

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