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. 1986 Mar;57(3):1207–1209. doi: 10.1128/jvi.57.3.1207-1209.1986

Heterogeneity in base sequence among different DNA clones containing equivalent sequences of rotavirus double-stranded RNA.

C F Arias, S López, R T Espejo
PMCID: PMC252863  PMID: 3005622

Abstract

The nucleotide sequences for several complementary DNA clones of the rotavirus genome were determined. When the sequences obtained from different clones for the same regions (16,000 bases) were compared, differences in eight base positions were observed. These discrepancies, approximately 1 in 2,000 bases, may be due to differences in individual RNA genomes resulting from multiple passages; infidelity of DNA synthesis in the cloning procedure; or both factors. Whatever the cause, this frequency of base substitution found in sequences of complementary DNA obtained from the same isolate should be considered when comparing DNA sequences obtained from independent isolates. On the other hand, the frequency of base changes observed suggests that the rotavirus genome is very conserved since the virus used for cDNA synthesis has been continuously passaged for 6 years without plaque purification.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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