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Journal of Clinical Microbiology, April 2000, p. 1656-1660, Vol. 38, No. 4
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Identification of an Epitope Common to Genogroup 1 "Norwalk-Like Viruses"
Antony D.
Hale,1,2
Tomoyuki N.
Tanaka,3
Noritoshi
Kitamoto,4
Max
Ciarlet,1
Xi
Jiang,5
Naokazu
Takeda,6
David W. G.
Brown,2 and
Mary K.
Estes1,*
Department of Molecular Virology and
Microbiology, Baylor College of Medicine, Houston, Texas
770301; Center for Pediatric
Research, Eastern Virginia Medical School, Norfolk, Virginia
235105; Enteric and Respiratory
Virus Laboratory, Central Public Health Laboratory, London NW9 5HT,
United Kingdom2; and Department of
Microbiology, Wakayama Medical College,
Wakayama,3 School of Humanities for
Environmental Policy and Technology, Himeji Institute of Technology,
Himeji, Hyogo,4 and Department of
Virology II, National Institute of Infectious Diseases,
Tokyo,6 Japan
Received 19 October 1999/Returned for modification 24 December
1999/Accepted 31 January 2000
A panel of 10 monoclonal antibodies (MAbs) to recombinant Norwalk
virus (NV) capsid protein were tested in competition enzyme-linked immunosorbent assays. Patterns of competition indicated that these MAbs
recognize six to eight epitopes covering five nonoverlapping regions of
the capsid protein. A single epitope, recognized by NV MAbs NV3901,
NV3912, and NV2461 was found to occur in the majority of genogroup 1 (G1) but not genogroup 2 (G2) "Norwalk-like viruses" (NLVs). This
observation supports the subdivision of human NLVs into two genogroups
and provides an assay for the rapid identification of G1 NLVs in fecal specimens.
*
Corresponding author. Mailing address: Division of
Molecular Virology, Baylor College of Medicine, One Baylor Plaza, Room 923E, Mailstop BCM-385, Houston, TX 77030. Phone: (713) 798-3585. Fax:
(713) 798-3586. E-mail: mestes{at}bcm.tmc.edu.
Journal of Clinical Microbiology, April 2000, p. 1656-1660, Vol. 38, No. 4
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
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