1887

Abstract

A combined rolling-circle amplification (RCA) and sequence-independent single primer amplification (SISPA) approach was applied to four samples of human plasma and one sample of saliva from a cat. This approach permitted the characterization of nine anelloviruses. Most of them were identified as highly divergent strains that were classified into species of the genus . The smallest anellovirus described so far in humans was characterized (2PoSMA, 2002 nt; ‘’ species). Two highly divergent sequences belonging to the species (LIL-y1, 2887 nt; LIL-y2, 2871 nt), which clustered into a new phylogenetic branch, were also identified in human plasma samples. Finally, two genomes that are separated by a genetic divergence of 46 % were characterized in the cat's saliva, one of these creating a distinct phylogenetic branch (PRA1, 2019 nt). These results highlight the potential of RCA–SISPA for detecting circular (or circularized) genomes.

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2007-10-01
2024-03-28
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