Gene polymorphic marker of C-type lectin of portunus trituberculatus and genetic typing method of SNP (Single Nucleotide Polymorphism) molecular markers
A technology of portunus trituberculatus and gene polymorphism, applied in the direction of biochemical equipment and methods, DNA preparation, recombinant DNA technology, etc., to achieve the effect of low cost and short cycle
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[0038] The following methods were used to obtain C-type lectin genomic DNA and molecular markers related to disease resistance of Portunus trituratus:
[0039] (1) Cloning of the full-length gene of C-lectin DNA: According to the known mRNA sequence of the C-type lectin gene of Portunus trituratus (SEQ ID NO: EU477491.1), primers were designed using Primer5.0 software, F1: 5'TCCTGTTCTGACAACCACCAA3' , R1: 5'CTGTGCCCGAGTCAGAAGTA3', using T IANampGenomic DNA purification kit to extract the total genomic DNA in the blood samples of Portunus trituratus, using this as a template, using long fragment PCR to amplify the genomic DNA to obtain the sequence, cloned into the T vector and sequenced, The full-length C-type lectin genome of 1473bp is obtained, including four exons and three introns, the DNA sequence of which is as described in SEQ ID NO: 1 in the sequence table, and the exon part is as shown in figure 1 shown in the box line;
[0040] (2) Preparation of disease-resistant po...
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