Scylla paramamosain C-type lysozyme gene and application thereof

A technology of Scylla simulans and lysozyme, applied in the field of genetic engineering, can solve problems such as no one has found applications

Active Publication Date: 2019-02-26
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But there is still no one to find the Scylla C-type lysozyme gene and its application in inhibiting bacteria in the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The present invention will be further elaborated below by following specific embodiments, but content of the present invention is not limited to this at all.

[0022] 1. Gene cloning of c-type lysozyme SpcLYZ from Scylla pseudosyrpa

[0023] 1.1 Total RNA extraction and cDNA synthesis

[0024] The blue crab (100g ± 10g) was purchased from Huangsha Market, Guangzhou, and its hepatopancreas, gills and muscles were mixed, and the total RNA was extracted with the marine animal RNA extraction kit of Tianenze Company, and the total RNA was measured with a UV spectrophotometer. Concentration and purity, and take 5 μL of total RNA and use 1.5% agarose to run the gel to ensure its integrity; use Takara’s reverse transcription kit to reverse-transcribe the qualified total RNA into cDNA, and store the synthesized cDNA in a -20°C refrigerator spare.

[0025] 1.2 SpcLYZ cDNA full-length clone

[0026] 1.2.1 cDNA fragment verification

[0027] According to the gene sequence in th...

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PUM

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Abstract

The invention discloses a Scylla paramamosain C-type lysozyme gene, the nucleotide sequence of the gene is shown in sequence table SEQ ID No: 1. The amino acid sequence of the coding protein of the Scylla paramamosain C-type lysozyme gene is shown in SEQ ID No: 2. The invention also discloses application of the coding protein of the Scylla paramamosain C-type lysozyme gene in preparation of medicaments for inhibiting bacteria.

Description

technical field [0001] The invention belongs to the technical field of genetic engineering, and in particular relates to a C-type lysozyme gene of the mud crab and its application. Background technique [0002] my country is a big aquaculture country, but the huge aquaculture output is also facing serious disease threats, among which the morbidity and mortality of bacterial diseases remain high. Red leg disease often occurs in the prawn breeding area of ​​my country, and its pathogen is exactly a variety of Vibrio, which can infect Penaeus chinensis, Penaeus villosa, Penaeus monodon and Litopenaeus vannamei, and the morbidity and mortality are sometimes as high as 90%. Gill rot caused by Vibrio, Pseudomonas and Aeromonas can occur in almost all cultured prawns. The respiratory function of the gills of the diseased shrimp is severely damaged or even lost, and finally dies due to lack of oxygen. [0003] Lysozyme (lysozyme), also known as muramidase or N-acetyl murein hydrola...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N15/56C12N9/36A61K38/47A61P31/04
CPCA61K38/00A61P31/04C12N9/2462C12Y302/01017
Inventor 郭志勋谢佳伟冯娟程长洪马红玲苏友禄邓益琴
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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