“…We chose VirSorter over virfinder (Ren, Ahlgren, Lu, Fuhrman, & Sun, ) because it has been shown that the later may misclassify eukaryotic sequences as viral. Some other approaches have been recently developed to retrieve viral signals from (meta‐)genomic data, such as marvel (Amgarten, Braga, da Silva, & Setubal, ) and virminer (Zheng et al, ), but they have been developed to detect viral genomes in prokaryotes. From the 64 viral contigs retrieved in the protist cells, the narrow host range of these viruses was remarkable given that >95% of the detected viral sequences ( n = 61) were specific to one stramenopile lineage and just a few were shared between lineages ( n = 3).…”