DNA序列测定和分析 DNA sequence and analysis
基因序列测定和分析结果进一步表明该毒素基因高度保守。
PCR and sequence analysis were used to detect the toxin gene.
其中碳末端45 0个核苷酸的序列测定和分析提示，该7株病毒为麻疹野病毒H1基因型。
Sequence analysis of 450bp of C-terminus of the N gene indicated that all of the 7 isolates were H1 genotype.
对BD V阳性产物进行基因序列测定、同源性和氨基酸顺序分析，绘制系统发生树，初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
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