Differential expression of Hz-1 baculovirus genes during productive and persistent viral infections

Hz-1 viral RNA transcription was studied during productive and persistent infections. The RNAs were localized to 10- to 30-kb regions within the viral genome, and the timing of their expression was determined. During productive infections, we detected 101 virus-specific transcripts that could be gro...

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Veröffentlicht in:Journal of Virology 1992-03, Vol.66 (3), p.1442-1448
Hauptverfasser: Chao, Y.C. (Academia Sinica, Taipei, Taiwan), Wood, H.A, Chang, C.Y, Lee, H.J, Shen, W.C, Lee, H.T
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container_end_page 1448
container_issue 3
container_start_page 1442
container_title Journal of Virology
container_volume 66
creator Chao, Y.C. (Academia Sinica, Taipei, Taiwan)
Wood, H.A
Chang, C.Y
Lee, H.J
Shen, W.C
Lee, H.T
description Hz-1 viral RNA transcription was studied during productive and persistent infections. The RNAs were localized to 10- to 30-kb regions within the viral genome, and the timing of their expression was determined. During productive infections, we detected 101 virus-specific transcripts that could be grouped into three categories by time of appearance. At 2 h postinoculation (p.i.), a total of 34 virus-specific transcripts were detected. An additional 51 and 16 virus-specific transcripts appeared between 4 and 6 h p.i. and at 8 h p.i., respectively. After 8 h, no new transcripts were found. Under conditions of persistent infection, we detected only one viral persistency-associated transcript (PAT1). The region of the viral DNA which encodes PAT1 was cloned. During productive infections, three transcripts were derived from this region. Each had the same polarity as PAT1. One of them was of the same size as PAT1 and had similar, if not identical, 3' and 5' ends. This report provides detailed and very useful information concerning sequentially expressed transcripts of the Hz-1 baculovirus
doi_str_mv 10.1128/JVI.66.3.1442-1448.1992
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Animals
BACULOVIRIDAE
Baculoviridae - genetics
baculovirus
Biological and medical sciences
Blotting, Northern
Chronic Disease
EXPRESION GENICA
EXPRESSION DES GENES
Fundamental and applied biological sciences. Psychology
GENE
Gene Expression Regulation, Viral
GENES
Genes, Viral
Genetics
Insecta - microbiology
Microbiology
PATHOGENESE
PATOGENESIS
Restriction Mapping
RNA Probes
RNA, Messenger - genetics
RNA, Viral - genetics
Transcription, Genetic
Viral Structural Proteins - genetics
Virology
Virus Diseases - microbiology
title Differential expression of Hz-1 baculovirus genes during productive and persistent viral infections
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