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© Pierre Gounon
Virus influenza purifié, agent de la grippe. Ce virus enveloppé possède un génome fragmenté : 8 segments d'ARN négatif protégés par une nucléocapside.
Publication : Journal of virology

Application of broad-spectrum resequencing microarray for genotyping rhabdoviruses

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of virology - 07 Jul 2010

Dacheux L, Berthet N, Dissard G, Holmes EC, Delmas O, Larrous F, Guigon G, Dickinson P, Faye O, Sall AA, Old IG, Kong K, Kennedy GC, Manuguerra JC, Cole ST, Caro V, Gessain A, Bourhy H

Link to Pubmed [PMID] – 20610710

J. Virol. 2010 Sep;84(18):9557-74

The rapid and accurate identification of pathogens is critical in the control of infectious disease. To this end, we analyzed the capacity for viral detection and identification of a newly described high-density resequencing microarray (RMA), termed PathogenID, which was designed for multiple pathogen detection using database similarity searching. We focused on one of the largest and most diverse viral families described to date, the family Rhabdoviridae. We demonstrate that this approach has the potential to identify both known and related viruses for which precise sequence information is unavailable. In particular, we demonstrate that a strategy based on consensus sequence determination for analysis of RMA output data enabled successful detection of viruses exhibiting up to 26% nucleotide divergence with the closest sequence tiled on the array. Using clinical specimens obtained from rabid patients and animals, this method also shows a high species level concordance with standard reference assays, indicating that it is amenable for the development of diagnostic assays. Finally, 12 animal rhabdoviruses which were currently unclassified, unassigned, or assigned as tentative species within the family Rhabdoviridae were successfully detected. These new data allowed an unprecedented phylogenetic analysis of 106 rhabdoviruses and further suggest that the principles and methodology developed here may be used for the broad-spectrum surveillance and the broader-scale investigation of biodiversity in the viral world.

https://www.ncbi.nlm.nih.gov/pubmed/20610710