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Order Tymovirales
Published in Paul Pumpens, Peter Pushko, Philippe Le Mercier, Virus-Like Particles, 2022
Paul Pumpens, Peter Pushko, Philippe Le Mercier
The Tymovirales is a great order of quite different, flexuous filamentous and isometric icosahedral, single-stranded, positive-sense RNA viruses that infect plants and fungi. The order members played a reliable role in the development of the VLP technologies. According to the current ICTV taxonomy (Adams et al. 2012b; ICTV 2020; Kreuze et al. 2020), the order Tymovirales is one of the three members of the class Alsuviricetes, together with the two other orders: Hepelivirales and Martellivirales, the subjects of the five preceding chapters. The Alsuviricetes class belongs to the Kitrinoviricota phylum from the kingdom Orthornavirae, realm Riboviria.
Metagenomic analysis of intestinal mucosa revealed a specific eukaryotic gut virome signature in early-diagnosed inflammatory bowel disease
Published in Gut Microbes, 2019
Federica Ungaro, Luca Massimino, Federica Furfaro, Valeria Rimoldi, Laurent Peyrin-Biroulet, Silvia D’Alessio, Silvio Danese
Being the relative composition of viral communities more important than the absolute number of viral reads18,23, we then analyzed the fraction of specific viral reads on the total viral reads (hereafter referred as relative sequence abundances), rather than the absolute Reads Per Kilobase of transcript, per Million mapped reads (RPKM). By excluding prokaryotic-infecting viruses and viral entities with relative abundances lower than 1%, we found the Herpesvirales order to be the main component of both IBD- and Ctrl-gut viromes (~ 40% of total orders detected), followed by Picornavirales and Tymovirales (~ 40% of total orders detected). However, no statistically significant variation was observed (Figure 1D).