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Comparative Study
. 1987 Nov;161(1):160-9.
doi: 10.1016/0042-6822(87)90182-6.

The nucleotide sequence of a geminivirus from Digitaria sanguinalis

J Donson  1 , G P Accotto, M I Boulton, P M Mullineaux, J W Davies
Affiliations
Comparative Study

The nucleotide sequence of a geminivirus from Digitaria sanguinalis

J Donson et al. Virology. 1987 Nov.

Abstract

The encapsidated single-stranded circular DNA of a geminivirus isolated from Digitaria sanguinalis has been sequenced. The data obtained are consistent with there being one DNA circle of 2701 nucleotides. Comparison of the nucleotide sequence with those of maize streak virus (MSV) and wheat dwarf virus showed 64 and 47% DNA homology, respectively. The sequence has four potential coding regions for proteins of greater than 10 kDa, two in the viral (+) sense and two in the complementary (-) sense. Each of these potential coding regions has a highly homologous counterpart among the seven open reading frames previously described for MSV. Virion DNA contained, in addition to the circular single-stranded DNA, a population of small DNA molecules similar to those associated with MSV particles. A comparison with MSV DNA of the region complementary to these small DNA molecules revealed conserved sequences, which may have a role in defining the limits of these primer-like molecules.

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