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Title of Journal: Arch Virol

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Abbravation: Archives of Virology

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Springer-Verlag

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DOI

10.1016/0014-3057(76)90038-0

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1432-8798

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Biological and molecular variability among geograp

Authors: E M Ateka E Barg R W Njeru G Thompson H J Vetten
Publish Date: 2006/11/30
Volume: 152, Issue: 3, Pages: 479-488
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Abstract

Sweet potato virus 2 SPV2 is a tentative member of the genus Potyvirus family Potyviridae In addition to the type isolate of SPV2 recently characterised in greater detail twelve additional isolates of this virus were obtained from sweet potato clones originating from China Portugal South Africa and Zambia Sequences of the coat protein CP gene and 3′ nontranslated region NTR were determined Comparisons of the CP gene sequences of these isolates revealed nucleotide and amino acid sequence identities ranging from 81 to 99 and from 86 to 99 respectively Phylogenetic analysis of sequences distinguished several groups which partially correlated with the geographic origin of the isolates and indicated that some isolates from South Africa and a Zambian isolate are most distinct both in CP and 3′NTR sequences Host range studies of a selected number of isolates revealed some differences in test plant reactions which appeared to correlate to some extent with the geographic origin and molecular distinctness of the SPV2 isolates The results strongly suggest the occurrence of biologically and genetically diverse strains of SPV2

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  3. High-temperature-mediated spontaneous mutations in the coat protein of cucumber mosaic virus in Nicotiana tabacum
  4. Engineered retroviral virus-like particles for receptor targeting
  5. Complete nucleotide sequence of rose yellow vein virus, a member of the family Caulimoviridae having a novel genome organization
  6. Capulavirus and Grablovirus : two new genera in the family Geminiviridae
  7. Immunoelectron microscopy analysis of HCMV gpUL73 (gN) localization
  8. Infectious bursal disease virus polyprotein expression arrests growth and mitogenic stimulation of B lymphocytes
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  10. Molecular detection and genome characterization of porcine circovirus type 2 in rats captured on commercial swine farms
  11. Sequence analysis of the CXCR4 gene derived from cells surviving feline lentivirus infection
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  13. Identification of amino acid residues of Ljungan virus VP0 and VP1 associated with cytolytic replication in cultured cells
  14. Comparison of the coat protein genes of Lettuce big - vein associated virus isolates from Australia with those of isolates from other continents
  15. Nitric oxide inhibits the replication cycle of porcine parvovirus in vitro
  16. Isolation of a cytopathogenic virus from a case of porcine reproductive and respiratory syndrome (PRRS) and its characterization as parainfluenza virus type 2
  17. Eukaryotic elongation factor 1-beta interacts with the 5′ untranslated region of the M gene of Nipah virus to promote mRNA translation
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