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Other Double-Stranded DNA Viruses
Published in Paul Pumpens, Peter Pushko, Philippe Le Mercier, Virus-Like Particles, 2022
Paul Pumpens, Peter Pushko, Philippe Le Mercier
Recently, Krupovic et al. (2021) announced the creation of a new realm, Adnaviria, which unified archaeal filamentous viruses with linear A-form double-stranded DNA genomes and characteristic major capsid proteins unrelated to those encoded by other known viruses. Historically, the archaeal viruses that formed filamentous virions were classified into four families: Clavaviridae, Lipothrixviridae, Rudiviridae, and Tristromaviridae (Prangishvili et al. 2017). Based on the shared gene content, structural similarity of their virions, and homology of the major capsid proteins, the families Lipothrixviridae and Rudiviridae were included into the order Ligamenvirales (Prangishvili and Krupovic 2012).
Metagenomics reveals impact of geography and acute diarrheal disease on the Central Indian human gut microbiome
Published in Gut Microbes, 2020
Tanya M. Monaghan, Tim J. Sloan, Stephen R. Stockdale, Adam M. Blanchard, Richard D. Emes, Mark Wilcox, Rima Biswas, Rupam Nashine, Sonali Manke, Jinal Gandhi, Pratishtha Jain, Shrejal Bhotmange, Shrikant Ambalkar, Ashish Satav, Lorraine A. Draper, Colin Hill, Rajpal Singh Kashyap
A total of 8,746 non-redundant viral sequences were detected in the whole community metagenomic sequencing data for 105 Indian fecal samples. These viruses group into 1,344 Viral Clusters (VCs), which are concordant with viral genera.22 Network visualization of the shared protein clusters between VCs shows the majority of Indian fecal viruses identified are connected to previously described Caudovirales (Figure 5A). Several Microviridae, Inoviridae, and archaeal viruses of the Rudiviridae and Bicaudaviridae families, were also detected. Unknown viruses were observed which did not share protein clusters with previously characterized viruses.