SINGLE-STRAND CONFORMATION POLYMORPHISM ANALYSIS OF RT-PCR PRODUCTS OF UK ISOLATES OF BARLEY YELLOW MOSAIC VIRUS
文献类型: 外文期刊
第一作者: Shi, NN
作者: Shi, NN;Chen, JP;Wilson, TMA;Macfarlane, SA;Antoniw, JF;Adams, MJ
作者机构:
关键词: Barley yellow mosaic virus;Single strand conformation polymorphism.;Nucleotide sequence;Point mutations;Gene;Rna 2
期刊名称:VIRUS RESEARCH ( 影响因子:3.303; 五年影响因子:3.445 )
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年卷期:
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收录情况: SCI
摘要: Single-strand conformation polymorphism (SSCP) analysis of the bipartite genomes of several UK isolates of barley yellow mosaic virus (BaYMV) was done using fragments of cDNA amplified by RT-PCR. Isolated differed in their SSCP patterns in several regions, but in no case was the pattern able to distinguish between common and resistance-breaking strains. In regions where the nucleotide sequences of UK isolates had been determined, there was no simple relationship between numbers of nucleotide differences and SSCP patterns: differences of only 2 or 3 nucleotides (nt) gave different SSCP patterns, whereas differences of as many as 29 nt did not. Although SSCP analysis has some potential as a rapid and sensitive tool for distinguishing virus isolates, differences detected do not necessarily relate to biological properties and the results are highly dependent on gel conditions.
分类号: R37
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