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. 2016 Feb 17;7:162. doi: 10.3389/fmicb.2016.00162

FIGURE 1.

FIGURE 1

Schematic representation of the chimeric sweepovirus-DNA satellite molecule identified in sweet potato sample B32 (A) and representative deltasatellites (B). The virus genes/gene fragments of the chimeric molecule are the V2 gene, coat protein (CP) gene and replication-enhancer (REn) gene. Clones SBG51 and 1764E13 represent DNA satellites associated with Ipomoea- and Merremia-infecting sweepoviruses, respectively. ToLCV-sat and 177H1 are small DNA satellites that have been described previously (Dry et al., 1997; Fiallo-Olivé et al., 2012). The main features of these molecules include the conserved stem–loop, a secondary stem–loop, the satellite conserved region (SCR) and an A-rich region. A schematic representation of a betasatellite is included for comparison.