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Journal of Clinical Microbiology, 01 1997, 11-19, Vol 35, No. 1
CM Wheeler, T Yamada, A Hildesheim and SA Jenison
A catalog of human papillomavirus (HPV) type 16 (HPV-16) E6 and L1
signature nucleotides was used to develop PCR-based oligonucleotide probe
systems capable of distinguishing HPV-16 class and subclass variants.
Twenty-three E6-specific oligonucleotide probes targeting 13 variant
nucleotide positions and 12 L1-specific oligonucleotide probes targeting 6
variant nucleotide positions were used to characterize HPV- 16-containing
cervicovaginal lavage specimens. Nucleotide positions that could be
distinguished included E6 nucleotides 109, 131, 132, 143, 145, 178, 183,
286, 289, 335, 350, 403, and 532 and L1 nucleotides 6695, 6721, 6803, 6854,
6862, and 6994. Combined hybridization patterns were assigned on the basis
of the predicted HPV-16 class, subclass, or minor class variants described
previously (T. Yamada, C. M. Wheeler, A. L. Halpern, A.-C. M. Stewart, A.
Hildesheim, and S.A. Jenison, J. Virol. 69:7743-7753, 1995). The major
HPV-16 variant lineages detected included European prototype-like (E-P),
Asian (As), Asian-American (AA), and African (Af1 and Af2) lineages. In
addition, E-G131, an E- class variant, and AA-G183, an AA-class variant,
were also identified. For each clinical specimen, DNA hybridization results
were compared to nucleotide sequence determinations. Targeted L1 and E6
marker nucleotides covaried within all HPV-16 variant isolates examined.
These hybridization-based methods result in minimal misclassification
error, are amenable to targeting additional lineage-specific nucleotide
positions, and should facilitate the large-scale, low-cost analysis of
HPV-16 variants in epidemiologic investigations. Specifically, these
methods will facilitate epidemiologic studies of HPV-16 transmission and
natural history, as well as studies of associations between HPV variants,
host immune responses, and cervical neoplasia.
Copyright © 1997 by the American Society for Microbiology. All rights reserved.
Human papillomavirus type 16 sequence variants: identification by E6 and L1 lineage-specific hybridization
Department of Cell Biology, New Mexico Cancer Research and Treatment Center, University of New Mexico School of Medicine, Albuquerque 87131, USA. cwheeler@medusa.unm.edu
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