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Striking similarities between vaccinia virus hemagglutinin (VVHA) and proteins belonging to the Ig superfamily clearly indicate that VVHA, a 315-amino acid glycoprotein expressed on the surface of the infected cells, is a novel viral protein that can be added to the expanding list of the Ig superfamily. Its deduced amino acid sequence contains one Ig-like(More)
BACKGROUND Retrotransposons are abundant components of plant genomes, and although some plant retrotransposons have been used as insertional mutagens, these mobile genetic elements have not been widely exploited for plant genome manipulation. In vertebrates and yeast, retrotransposons and retroviruses are routinely altered to carry additional genes that are(More)
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