Abstract
An in situ hybridization (ISH) AT-tailing method (HybrAT) was developed for the detection of viral genomes in infected cells and tissues. The method consists of hybridization with oligonucleotide probe which has a 3' end oligo d(A-T) tag, followed by elongation of the oligo d(A-T) by deltaTth DNA polymerase in the presence of the labeled nucleotide. The in situ HybrAT detected human immunodeficiency virus type 1 (HIV-1) in cells and simian immunodeficiency virus (SIV) in formalin-fixed and paraffin embedded sections with a sensitivity comparable to RNA ISH. The advantage of this method over other methods is discussed.
MeSH terms
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Animals
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Cell Line
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Formaldehyde
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HIV-1 / genetics*
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HIV-1 / isolation & purification
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Humans
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In Situ Hybridization / methods*
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Macaca mulatta
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Male
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Oligodeoxyribonucleotides / genetics*
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Oligonucleotide Probes / genetics*
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Paraffin Embedding
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Poly dA-dT / genetics*
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RNA, Messenger / isolation & purification
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RNA, Viral / isolation & purification*
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Reagent Kits, Diagnostic
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Simian Immunodeficiency Virus / genetics*
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Simian Immunodeficiency Virus / isolation & purification
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Tissue Fixation
Substances
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Oligodeoxyribonucleotides
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Oligonucleotide Probes
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RNA, Messenger
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RNA, Viral
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Reagent Kits, Diagnostic
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oligo (dT) poly (A)
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Formaldehyde
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Poly dA-dT