首页> 美国卫生研究院文献>Journal of Clinical Microbiology >Identification of human herpesvirus 6 variants A and B by amplimer hybridization with variant-specific oligonucleotides and amplification with variant-specific primers.
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Identification of human herpesvirus 6 variants A and B by amplimer hybridization with variant-specific oligonucleotides and amplification with variant-specific primers.

机译:通过与变体特异性寡核苷酸的扩增子杂交并用变体特异性引物扩增鉴定人疱疹病毒6个变体A和B。

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摘要

Two distinct PCR-based procedures were evaluated for the detection and identification of human herpesvirus 6 (HHV-6) variants A and B in uncultured human samples. Variant-specific oligonucleotide hybridization (VSOH) is based on the amplification of two distinct regions of the HHV-6 genome, followed by hybridization of amplimers with variant-specific oligonucleotide probes. Variant-specific primer PCR (VSPP) is based on the amplification of each variant by using variant-specific primers. The study of 10 well-characterized HHV-6 strains allowed us to demonstrate the high sensitivity and specificity of both methods. With variant mixtures, however, some limitations of VSOH were evidenced and VSPP was required to obtain unambiguous results. The combination of VSOH and VSPP was applied to the direct study of 300 peripheral blood mononuclear cell samples from French subjects. HHV-6 was detected in 15 samples: 11 corresponded to variant B, 3 corresponded to variant A, and 1 corresponded to a mixture of both variants.
机译:评价了两种不同的基于PCR的程序,用于检测和鉴定未培养的人类样品中的人类疱疹病毒6(HHV-6)变体A和B。变体特异性寡核苷酸杂交(VSOH)基于HHV-6基因组两个不同区域的扩增,然后将扩增子与变体特异性寡核苷酸探针杂交。变异体特异性引物PCR(VSPP)基于使用变异体特异性引物对每种变异体的扩增。对10个特征明确的HHV-6菌株的研究使我们证明了这两种方法的高灵敏度和特异性。但是,对于不同的混合物,证明了VSOH有一些局限性,需要VSPP才能获得明确的结果。 VSOH和VSPP的结合用于直接研究法国受试者的300例外周血单个核细胞样品。在15个样品中检测到HHV-6:11个对应于变体B,3个对应于变体A,1个对应于两种变体的混合物。

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