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Journal of Clinical Microbiology, 02 1996, 413-416, Vol 34, No. 2
S Shiao, K Aoki, K Isobe, WL Tsuzuki, N Itoh, K Toba, N Kobayashi, Y Noguchi and S Ohno
Adenovirus type 3 (Ad3) isolates, isolated from 45 patients with acute
conjunctivitis during the year 1990 in Japan, were studied by DNA
restriction enzyme analysis with restriction endonucleases recognizing 6-bp
sequences (BamHI, SmaI, HindIII, BglII) and endonucleases recognizing 5- or
4-bp sequences (HinfI and TaqI). All 45 isolates of Ad3 were identified as
the genome type Ad3f by six endonucleases. They were further classified
into three varieties by HinfI, varieties H1 (87.5%), H2 (8.9%), and H3
(2.2%), and into five varieties by TaqI, varieties T1 (75.6%), T2 (13.3%),
T3 (2.2%), T4 (4.5%), and T5 (8.9%). The use of HinfI and TaqI was
sufficient to distinguish six subgenome types: types Ad3fH1T1, Ad3fH1T2,
Ad3fH1T4, Ad3fH1T5, Ad3fH2T1, and Ad3fH3T3. Among them, Ad3fH1T1 was
predominant in areas where the virus is epidemic. The study showed that the
same Ad3 genome type, genome type Ad3f, caused acute viral conjunctivitis
even in different areas in Japan. The source and the route of infection
were suggested to be common in areas where the virus is epidemic.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Genome analysis of adenovirus type 3 isolated in Japan
Department of Ophthalmology, Yokohama City University School of Medicine, Japan.
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