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| Content Provider | Springer Nature Link |
|---|---|
| Author | Revers, F. van der Vlugt, R. A. A. Souche, S. Lanneau, M. Lot, H. Candresse, T. Le Gall, O. |
| Copyright Year | 1999 |
| Abstract | Lettuce mosaic virus (LMV) is an economically important Potyvirus causing a severe disease of commercial lettuce crops. Based on molecular data, three phylogenetic groups of isolates have previously been discriminated, reflecting their geographical origin (Western Europe-California, Greece, or Yemen). Sequence information for the entire coat protein domain was only available for one of the Western Europe-California phylogenetic group. We have now sequenced the 3′ terminal region of the genome LMV-Gr4, -Gr5 and -GrB, isolates which belong to the Greek phylogenetic group and of LMV-Yar, the sole known representative of the third LMV phylogenetic group. The region sequenced encodes the last 62 amino-acids of the polymerase and the entire coat protein of the four isolates, plus the 3′ non-translated region of LMV-Gr5 and -Yar. The Greek and Yemenite isolates studied are all very aggressive on lettuce, are able to overcome the resistance genes mo1 1 and mo1 2 and belong to the two phylogenetic groups which have so far been only partially characterised. As for other Potyviruses, the core and the C-terminal regions of the coat protein are highly conserved among all isolates whereas the N-terminus is more variable. No amino acid change in the coat protein or carboxy-terminal part of the polymerase could be related to the resistance-breaking properties of the isolates analysed. The sequences obtained provide the basis for the rapid typing of LMV isolates using the restriction pattern of segments of cDNA amplified by PCR. |
| Starting Page | 1619 |
| Ending Page | 1626 |
| Page Count | 8 |
| File Format | |
| ISSN | 03048608 |
| Journal | Archives of Virology |
| Volume Number | 144 |
| Issue Number | 8 |
| e-ISSN | 14328798 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2014-05-21 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Virology Medical Microbiology Infectious Diseases |
| Content Type | Text |
| Resource Type | Article |
| Subject | Virology Medicine |
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