AI Article Synopsis
- Researchers analyzed the RNA sequences of potato mop-top virus (PMTV) from 43 samples collected in Sweden, Denmark, and the USA, revealing limited genetic diversity.
- The study found two distinct types of RNA-CP and RNA-TGB in the samples, but these types did not correlate with any observed symptoms in the potato tubers.
- There was no evidence of positive selection in PMTV's coding sequences, indicating that the virus has not adapted to new hosts or vectors in a specific way.
Article Abstract
Nearly complete sequences of RNA-CP and 3'-proximal RNA-TGB were determined for 43 samples of potato mop-top virus (PMTV) originating from potato tubers and field soil from Sweden, Denmark and the USA. The results showed limited diversity and no strict geographical grouping, suggesting only a few original introductions of PMTV from the Andes. Two distinguishable types of RNA-CP and RNA-TGB were found in the samples, but no specific combination of them correlated with spraing symptoms in tubers. Lack of positive selection in the coding sequences indicates that there is no specific molecular adaptation of PMTV to new vectors or hosts.
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| http://dx.doi.org/10.1007/s00705-015-2381-7 | DOI Listing |
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