TABLE 3.
Taxonomic abundance of identified viral ORFs (BLASTp with a threshold of 10−5 for the E value) identified by MetaVir in both Antarctic biotopes
| Virus order and family | Host(s) | Taxonomic abundance of viral ORFs (%) (no. of sequence hits) |
|
|---|---|---|---|
| Hypolith | Open soil | ||
| Caudovirales | |||
| Myoviridae | Bacteria, archaea | 20.9 (1,305) | 26.1 (415) |
| Podoviridae | Bacteria | 9.04 (565) | 11.0 (175) |
| Siphoviridae | Bacteria, archaea | 52.6 (3,287) | 38.3 (610) |
| Herpesvirales | |||
| Herpesviridae | Vertebrates | 0.11 (7) | 0.13 (2) |
| Virus families not assigned into an ordera | |||
| Adenoviridae | Vertebrates | 0.02 (1) | 0.00 (0) |
| Ascoviridae | Invertebrates | 0.03 (2) | 0.37 (6) |
| Asfarviridae | Swine, arthropod borne | 0.03 (2) | 0.06 (1) |
| Baculoviridae | Invertebrates | 0.08 (5) | 0.25 (4) |
| Bicaudaviridae | Archaea | 0.05 (3) | 0.00 (0) |
| Hytrosaviridae | Diptera (flies) | 0.02 (1) | 0.00(0) |
| Inoviridae | Bacteria | 0.16 (10) | 0.06 (1) |
| Iridoviridae | Amphibians, fishes, invertebrates | 0.11 (7) | 0.44 (7) |
| Microviridae | Bacteria | 0.30 (19) | 0.50 (8) |
| Mimiviridae | Amoebae | 0.88 (55) | 2.32 (37) |
| Phycodnaviridae | Algae | 1.74 (109) | 4.33 (69) |
| Polydnaviridae | Parasitoid wasps | 0.02 (1) | 0.00 (0) |
| Poxviridae | Humans, arthropods, vertebrates | 0.06 (4) | 0.56 (9) |
| Retroviridae | Vertebrates | 0.02 (1) | 0.00 (0) |
| Rudiviridae | Thermophilic archaea | 0.03 (2) | 0.00 (0) |
| Viruses not assigned into familiesa | |||
| Unclassified viruses | N/Ab | 13.5 (844) | 15.1 (241) |
| Sputnik virophage | Mimivirus-infected amoebae | 0.00 | 0.37 (6) |
a
Virus families not yet assigned into an order or family in the International Committee on Taxonomy of Viruses (ICTV) 2012 release (http://ww.ictvonline.org/virusTaxonomy.asp?msl_id=27).
b
N/A, not available.