The coat protein-readthrough of beet virus Q is longer
(2008) The seventh symposium of the international working groupe on plant viruses with fungal vectors — Location: Quedlinburg, Germany (1.September.2008)
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- Compared to other closely related furoviruses sensu lato, the Beet virus Q (BVQ) coat protein (CP) readthrough (RT) domain is reported to be much shorter, allowing place for two small ORFs coding for proteins of 9 and 18 kDa. However, the partial sequencing of 10 BVQ sources from six countries evidenced a longer RT domain for the CP, with three distinct nucleotide additions of 5, 285 and 1 nt being responsible for this rearrangement. It is hypothesized that this special pattern of deletions in the RNA-2 of BVQ previously described resulted from multiple inoculations cycles on Chenopodium quinoa. This triple deletion in the coat protein RT domain is, however, specifi c to BVQ, compared with Beet necrotic yellow vein virus (BNYVV), Potato mop top virus (PMTV) and Soil-borne wheat mosaic virus (SBWMV) where only single-deletion events have been reported. The 10 strains were reported to share a very high similarity of sequence, at the nucleotide as well as the amino acid level.
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Crutzen, F., Gilmer, D., & Bragard, C. (2008). The coat protein-readthrough of beet virus Q is longer. In Charlie M. Rush (ed.), Proceedings of the seventh symposium of the international working groupe on plant viruses with fungal vectors (p. p. 6-10). https://hdl.handle.net/2078.5/255907