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Adenovirus-associated viruses (AAV) contain double-stranded deoxyribonucleic acid (DNA). DNA from each of the four AAV serotypes was used as template for the in vitro synthesis of complementary (3)H-ribonucleic acids(RNA). An estimation of genetic interrelatedness was made on the basis of hybridization reactions between synthetic AAV RNA and AAV DNA. Heterologous reactions were 27 to 37% of homologous reactions, suggesting that the AAV serotypes are related to about the same extent. AAV-1 synthetic RNA was also reacted with DNA from helper adenovirus types 2, 7, and SV15. Very low levels of RNA binding were observed, but it is not likely that these reactions represent AAV-adenovirus genetic relatedness.
Rose et al. (Tue,) studied this question.