Molecular structure of adeno-associated virus variant DNA.

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Molecular structure of adeno-associated virus variant DNA.

When lysates of human cells, infected jointly with the defective parvovirus, adeno-associated virus (AAV), and a helper adenovirus, are banded to equilibrium in CsCl buoyant density gradients, virus particles of various densities are obtained. Infectious AAV particles mainly band at a density of 1.41 g/cm3 with a minor component at 1.45 g/cm3. Noninfectious AAV particles band at densities betwe...

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Effects of adeno-associated virus DNA hairpin structure on recombination.

Hairpin DNA ends are evolutionarily conserved intermediates in DNA recombination. The hairpin structures present on the ends of the adeno-associated virus (AAV) genome are substrates for recombination that give rise to persistent circular and concatemeric DNA episomes through intramolecular and intermolecular recombination, respectively. We have developed circularization-dependent and orientati...

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Structure of adeno-associated virus serotype 5.

Adeno-associated virus serotype 5 (AAV5) requires sialic acid on host cells to bind and infect. Other parvoviruses, including Aleutian mink disease parvovirus (ADV), canine parvovirus (CPV), minute virus of mice, and bovine parvovirus, also bind sialic acid. Hence, structural homology may explain this functional homology. The amino acids required for CPV sialic acid binding map to a site at the...

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Recent studies have shown that recombinant adeno-associated virus (rAAV) can persist in episomal form; however, factors affecting rAAV persistence are poorly understood. DNA-dependent PK (DNA-PK) is a DNA repair enzyme, which we previously found played an important role in determining the molecular fate of the rAAV genome in mouse skeletal muscle. In the present study, we tested the effect of D...

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ژورنال

عنوان ژورنال: Journal of Biological Chemistry

سال: 1980

ISSN: 0021-9258

DOI: 10.1016/s0021-9258(19)85870-2