Application of lanthanum compound to bacterium growth promotion

A compound and bacterial technology, applied in the application field of lanthanum compounds in promoting bacterial growth, can solve problems such as incompatibility

Inactive Publication Date: 2017-11-10
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many scholars have summarized and reviewed the physiological effects and mechanisms of rare earth elements and provided good references, they are still far from systematic.

Method used

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  • Application of lanthanum compound to bacterium growth promotion
  • Application of lanthanum compound to bacterium growth promotion
  • Application of lanthanum compound to bacterium growth promotion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1, La(NO 3 ) 3 ·6H 2 Effect of O on the proliferation of Escherichia coli

[0020] The strain Escherichia coli was purchased from the Culture Collection Center of the Institute of Microbiology, Chinese Academy of Sciences.

[0021] Lanthanum nitrate hydrate (La(NO 3 ) 3 ·6H 2 O), yeast extract, peptone, sodium hydroxide, and lysozyme (Lysozyme, all produced by Sinopharm Chemical Reagent Co., Ltd.). Penicillin sodium (Penicillin, North China Pharmaceutical Co., Ltd.).

[0022] Scanning electron microscope (S-4800, Hitachi, Japan), ultraviolet-visible spectrophotometer (UV-3600, Shimadzu, Japan), high-speed refrigerated centrifuge (Hunan Xiangyi Laboratory Instrument Development Co., Ltd.), constant temperature and humidity shaking incubator (BS -4G, Changzhou Guohua Electric Co., Ltd.), ultrasonic cell pulverizer (JY92-2D, Ningbo Xinzhi Biotechnology Co., Ltd.), Fourier transform infrared spectrometer (IRPrestige-21, Shimadzu, Japan).

[0023] 1. Deter...

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PUM

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Abstract

The invention discloses application of a lanthanum compound to bacterium growth promotion. The lanthanum compound is La(NO3)3.6H2O; the addition concentration of the lanthanum compound is 5.0 to 200.0mg/L; the lanthanum compound can be used for promoting bacterial reproduction, and concretely protects bacterium cytoderm peptidoglycan structures and beta-1,4 glycosidic bonds; and the bacteria are escherichia coli. The acting target points of Penicillin and Lysozyme are used as the references; the effect that the adjacent polysaccharide chains in the cytoderm are crosslinked to protect the cytoderm peptidoglycan through the physiological effect of the La(NO3)3.6H2O capable of reversing Penicillin is discovered; the cytoderm beta-1,4 glycosidic bonds are protected through the physiological effect for reversing Lysozyme; the cell completeness is enhanced; and the bacterial reproduction is promoted.

Description

technical field [0001] The invention relates to the application of a lanthanum compound in promoting bacterial growth. Background technique [0002] Rare earth elements have a special electron layer structure and good optical, electrical, and magnetic properties, and have properties similar to calcium, and have a wide range of biological effects. In terms of affecting cell growth and its mechanism, many studies have found that rare earth elements have the characteristics of low-stimulation and high-suppression, and the impact mechanism is also diverse. Taking plant cells as an example, some studies believe that rare earth elements can increase the content of chlorophyll a and carbonic anhydrase activity, can promote plant photosynthesis, thereby promoting plant growth; some believe that rare earth elements can stabilize cell membrane proteins, improve cell membrane structure, and promote The exchange of substances inside and outside cells accelerates cell growth and divisio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/38C12N1/20C12R1/19
CPCC12N1/20C12N1/38
Inventor 柴瑞娟朱芳龙海东
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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