DOT-BLOT HYBRIDIZATION ASSAY FOR DETECTION OF PARVOVIRUS B19 INFECTIONS USING SYNTHETIC OLIGONUCLEOTIDES

被引:5
作者
CUBIE, HA [1 ]
MOLYNEAUX, PJ [1 ]
SHEARMAN, MJ [1 ]
GRYZBOWSKI, J [1 ]
BROWN, T [1 ]
机构
[1] UNIV EDINBURGH,DEPT CHEM,EDINBURGH EH9 3JJ,MIDLOTHIAN,SCOTLAND
关键词
PARVOVIRUS B19; DOT BLOT; SYNTHETIC OLIGONUCLEOTIDES;
D O I
10.1016/S0890-8508(95)91037-9
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Pools of 10 synthetic oligonucleotides with sequences derived from the genome of parvovirus B19 and of 30 bases in length were made and labelled at the time of synthesis with digoxigenin (DIG) or dinitrophenyl (DNP) at the 5' end. They were used in a dot-blot hybridisation assay to detect parvovirus B19 DNA in sera submitted for routine virological diagnosis where parvovirus infection was suspected. Detection down to 10-100 fg DNA (equivalent to 10(3)-10(4) copies of parvovirus B19 genome) was obtained with both probe cocktails and colorimetric or chemiluminescent detection systems. Of 141 clinical samples examined from 126 patients presenting with rash and/or joint pains, 107 were clearly negative with both probes, 20 were clearly positive and the remaining 14 samples gave discrepant results. Of these 34 samples, 33 contained parvovirus B19 specific IgM. The parvovirus oligonucleotide probe cocktail produced and labelled with either DIG or DNP provided a useful diagnostic reagent for the detection of specific DNA in clinical specimens using a simple and sensitive dot-blot assay.
引用
收藏
页码:59 / 65
页数:7
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