Physical maps for Herpes simplex virus type 1 DNA for restriction endonucleases Hind III, Hpa-1, and X. bad.

AUTOR(ES)

Wilkie, N M

RESUMO

It has been proposed that the genome of herpes simplex virus type 1 (HSV-1) consists of two internal unique sequences, S and L, bounded by two sets of redundant sequences (P. Sheldrick and N. Berthelot, 1974). In this arrangement, terminal sequences (TRs and TRl) are repeated in an internal inverted form (IRs and IRl) and delimit S and L. Furthermore, a body of evidence has accumulated that suggests that S and L themselves are inverted, giving rise to four related forms of the HSV genome. In this study the ordering of restruction endonuclease fragments of HSV-1 DNA for physical maps has been studied using molecular hybridization techniques and the cleavage of isolated restriction endonuclease fragments with further restriction endonucleases. Physical maps for the fragments produced by Hind III, Hpa-1, and X. bad have been constructed for the four related forms of the HSV-1 genome. TRs and IRs were found to be between 3.5 x 10(6) and 4.5 x 10(6) daltons, TRl and IRl about 6 x 10(6) daltons, S about 8 x 10(6) to 9 x 10(6) daltons, and L about 6.8 x 10(6) daltons.

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