Characterization of the genome of molluscum contagiosum virus type 1 between the genome coordinates 0.045 and 0.075 by DNA nucleotide sequence analysis of a 5.6-kb HindIII/MluI DNA fragment

Hadasch, R. P., Bugert, Joachim Jakob ORCID: https://orcid.org/0000-0002-0556-3211, Janssen, W. and Darai, G. 1993. Characterization of the genome of molluscum contagiosum virus type 1 between the genome coordinates 0.045 and 0.075 by DNA nucleotide sequence analysis of a 5.6-kb HindIII/MluI DNA fragment. Intervirology 36 (1) , pp. 32-43. 10.1159/000150319

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Abstract

The complete DNA nucleotide sequence of a HindIII/MluI genomic DNA fragment (0.045-0.075 viral map units) from molluscum contagiosum virus type 1 (MCV-1) was determined. The HindIII/MluI DNA fragment comprises 5,646 bp with a base composition of 64.4% G + C and 35.6% A + T. The DNA sequence contains many perfect direct repeats. A cluster of three repetitive DNA elements R1, R2 and R3, with a complex structural arrangement was detected between nucleotide positions 1802 and 2107. The unit length (box) of the repetitive DNA sequences was found to be 6 bp (15 boxes) and 9 bp (24 boxes) for R1 and R2, respectively. The repetitive DNA element R3 is organized in fifteen boxes (15 bp) in which a unit length of R1 is combined with a unit length of R2. The arrangement of the repetition R3 within the DNA sequences of this particular region of the MCV-1 genome was found to be (5 x R3) + (2 x R2) + (1 x R3) + (6 x R2) + (1 x R3) + (1 x R2) + (8 x R3). Twenty-three open reading frames (ORFs) of 60-1,175 amino acid (AA) residues were detected. The largest ORF (number 17) comprises 1,175 AA with a predicted molecular weight of 126 kD. This ORF harbors a promoter signal which is located 21 nucleotides upstream from the start codon and is very similar to the early promoter signals known for vaccinia virus. This putative protein contains glutamine-enriched regions between AA residues 427 and 682 which show homologies to the corresponding glutamine-enriched regions of a variety of cellular genes like human transcriptional initiation factor (TFIID: TATA box factor).

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	Karger
ISSN:	0300-5526
Related URLs:	http://www.ncbi.nlm.nih.gov/pubmed/82259...
Last Modified:	25 Oct 2022 09:26
URI:	https://orca.cardiff.ac.uk/id/eprint/58473

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