Reagent for detecting SNP molecular marker combination related to anti-nervous necrosis virus character of epinephelus
A nerve necrosis and molecular marker technology, applied in the application field of China, can solve the problems of economic loss, great harm, and no effective treatment for the disease, and achieve the effect of speeding up the cultivation process, improving the ability, and speeding up the cultivation process.
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Embodiment 2
[0089] Example 2 PCR-sequencing verification analysis of SNPs loci associated with neuronecrosis virus resistance traits in red-spotted grouper
[0090] 1. Experimental method
[0091] 1) Primer design
[0092] According to the position information of 5 SNP sites obtained in Example 1, the upstream and downstream sequences of these SNP sites are called in the grouper genome database, and the sequence information is as follows: figure 1 Display, and design SNP site primers based on these sequence information, the primer information is as follows:
[0093] SNP-1:
[0094] Upstream primer F: 5'-CCTGCTCACTGGACCCTCAC-3' (SEQ ID NO.6);
[0095] Downstream primer R: 5'-CAGTCCCAAGCCACGAGAATA-3' (SEQ ID NO.7).
[0096] SNP-2:
[0097] Upstream primer F: 5'-CTGCCCGTCTGGGAAACTCT-3' (SEQ ID NO.8);
[0098] Downstream primer R: 5'-AGGAAATCGGCTCTGGTGTT-3' (SEQ ID NO.9).
[0099] SNP-3:
[0100] Upstream primer F: 5'-CACTTCCCTGCTGTCCTTTG-3' (SEQ ID NO.10);
[0101] Downstream primer...
Embodiment 3
[0121] Example 3 A method for detecting the resistance of red-spotted grouper to neuronecrosis virus
[0122] By detecting the five SNP sites in Example 2 of the red-spotted grouper sample to be tested, the disease resistance of the red-spotted grouper to be tested is determined.
[0123] Include the following steps:
[0124] (1) extract the genomic DNA of the red-spotted grouper to be tested;
[0125] (2) Using the DNA obtained in step (1) as a template and the nucleotide sequences shown in SEQ ID NO.6-7, 8-9, 10-11, 12-13 and 14-15 as primers, respectively PCR amplification to obtain PCR amplification products;
[0126] (3) Sequencing the PCR amplification product obtained in step (2), and determining the genotypes of SNP sites 1 to 5 of the red-spotted grouper to be tested;
[0127] (4) Determine whether the red-spotted grouper to be tested is resistant to nerve necrosis virus according to the genotype of the SNP sites 1 to 5 determined in step (3):
[0128] SNP site 1 ...
Embodiment 4
[0133] Example 4 A kit for detecting the resistance of red-spotted grouper to neuronecrosis virus
[0134] 1. Composition
[0135] The nucleotide sequence is shown as primers and PCR reagents shown in SEQ ID NO.6-15.
[0136] 2. How to use
[0137] With embodiment 3.
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