Virus Properties by Family

 

Columns in the table with blue text headers can be sorted by clicking on the header text. Clicking twice will reverse the sort order.

Family
This column lists the virus families that are recognized in the current Master Species List (MSL).

Genome composition
This column describes the chemical nature of the genome (DNA or RNA) and whether it is double-stranded (ds) or single stranded (ss). The suffix -RT indicates that reverse transcription is involved in the replication of the genome.

For ss genomes, the polarity of the genome is indicated: (+), mRNA polarity; (-), complementary to mRNA; (+/-), ambisense. At the family level, viruses with segmented genomes may have segments with different polarities (e.g., some arenaviruses have only ssRNA(-), others have ssRNA(-) and ssRNA(+/-) segments. In this case, the genome composition is designated as ssRNA(-); ssRNA(-) and ssRNA(+/-).

Genome organization
This column indicates if the genome is a linear or circular molecule and the number of segments

Total genome size (kb or kbp)
This column indicates the range of sizes encompassed by genomes of virus isolates described in the current Virus Metadata Resource (VMR).

Envelope?
This column indicates if the virion is known to have, or not have, a lipid envelope. A value of "Yes or No" indicates the variable presence of an envelope. Viruses identified only by metagenomics will usually not have a value in this column (envelope is "not determined").

Virion shape
This column indicates the shape of the virion, as seen by electron microscopy. The column also includes some predicted morphologies but does not include information for many viruses identified only by metagenomics.

Virion size
This column indicates the range of virion sizes encompassed by virus isolates described in the current VMR.

Host
This column indicates the known host(s) of viruses in the family. Hosts are uncertain for many viruses, especially those described by metagenomic analysis of environmental samples. The term protist is used to mean any eukaryotic organism that is not an animal, plant or fungus.

ICTV Report Chapter
This column provides a link to the relevant ICTV online report chapter.

Display families with the following properties:

Family Genera Species Genome Genome topology Genome size (kb/kbp) Envelope Virion shape Virion size Host ICTV Report Chapter
251 Nanopleoviridae 1 1 dsDNA 1 segment 9.0-9.1 predicted pleomorphic archaea
252 Nanoviridae 2 15 ssDNA(+) 6-8 circular segments 6.3-8.2 no icosahedral 17-19 nm diameter plants Nanoviridae
253 Naomviridae 1 1 dsDNA 1 linear segment 75.0-75.1 no head-tail 50 nm diameter head, 220 nm long tail bacteria
254 Narnaviridae 1 2 ssRNA(+) 1 linear segment 2.5-2.9 capsidless fungi Narnaviridae
255 Naryaviridae 11 14 ssDNA(+); ssDNA(+/-) 1 circular segment 1.7-2.8 predicted icosahedral protists
256 Natareviridae 1 1 ssRNA(-) 1 linear segment 12.8-12.9 predicted yes invertebrates Natareviridae
257 Nenyaviridae 6 7 ssDNA(+) 1 circular segment 1.6-3.0 predicted icosahedral protists
258 Nimaviridae 1 2 dsDNA 1 circular segment 243.9-309.3 yes ellipsoid to bacilliform 70-170 nm diameter, 210-420 nm long invertebrates Nimaviridae
259 Nipumfusiviridae 4 10 dsDNA; ssDNA 1 linear segment 27.1-38.1 predicted spindle-shaped archaea Nipumfusivirdae
260 Nixviridae 5 15 dsDNA 1 linear segment 41.9-49.6 no predicted head-tail bacteria
261 Nodaviridae 2 9 ssRNA(+) 2 linear segments 4.2-4.6 no icosahedral 25-33 nm diameter invertebrates, vertebrates Nodaviridae
262 Noraviridae 1 1 ssRNA(+) 1 linear segment 12.3-12.4 no icosahedral 30 nm diameter invertebrates
263 Nudiviridae 6 29 dsDNA 1 circular segment 83.8-231.7 yes rod-shaped or ellipsoidal 80-100 nm diameter, 210-420 nm long invertebrates Nudiviridae
264 Nyamiviridae 7 30 ssRNA(-) 1-2 linear segments 7.4-13.3 yes spherical 100-130 nm diameter invertebrates, vertebrates Nyamiviridae
265 Obscuriviridae 2 3 ssDNA 1 circular segment 6.4-6.6 no icosahedral 70 nm diameter bacteria
266 Occultatumviridae 1 1 ssDNA(+) 1 circular segment 6.3-6.4 predicted icosahedral bacteria
267 Olifoviridae 1 1 ssRNA(+) 1 linear segment 15.3-15.4 vertebrates
268 Omnilimnoviroviridae 1 1 dsDNA 1 circular segment 23.3-23.4 protists
269 Oomyviridae 3 38 ssDNA 1 linear segment 2.9-4.7 predicted protists
270 Ootiviridae 1 7 dsRNA 1 linear segment 5.2-5.9 protists
271 Orlajensenviridae 3 11 dsDNA 1 linear segment 17.0-17.6 no head-tail 40 nm diameter head, 110 nm long tail bacteria
272 Orpheoviridae 1 1 dsDNA 1 circular segment 1473.5-1473.6 no ovoid 1000-1500 nm long, 500 nm wide protists
273 Orthoherpesviridae 17 118 dsDNA 1 linear segment 108.4-241.1 yes spherical 150-200 nm diameter vertebrates Orthoherpesviridae
274 Orthomyxoviridae 9 21 ssRNA(-) 6-8 linear segments 10.3-14.5 yes spherical or filamentous 120 nm diameter or 80-95 nm diameter and >250 nm long invertebrates, vertebrates
275 Orthototiviridae 1 32 dsRNA 1 linear segment 3.9-5.6 no icosahedral 40-49 nm diameter protists, fungi, plants, invertebrates Orthototiviridae
276 Osikeviridae 3 3 ssDNA(+) 1 circular segment 2.9-3.3 predicted icosahedral bacteria
277 Ourmiaviridae 11 27 ssRNA(+) 1-3 linear segments 1.8-4.9 predicted bacilliform or capsidless invertebrates, plants
278 Ouroboviridae 30 50 ssDNA(+/-) 1 circular segment 1.2-2.6 predicted icosahedral invertebrates, vertebrates Ouroboviridae
279 Ovaliviridae 1 1 dsDNA 1 linear segment 23.2-23.3 yes ellipsoid 115 nm long, 80 nm wide archaea Ovaliviridae
280 Pachyviridae 3 5 dsDNA 1 linear segment 71.4-78.9 no head-tail 60 nm diameter head, 20 nm long tail bacteria
281 Pamosaviridae 1 1 ssRNA(+) 1 linear segment 0.8-0.9 no icosahedral 20 nm diameter plants
282 Papillomaviridae 53 133 dsDNA 1 circular segment 5.7-8.7 no icosahedral 55 nm diameter vertebrates Papillomaviridae
283 Parahypoviridae 1 14 ssRNA(+) 1 linear segment 8.9-11.3 capsidless fungi
284 Paramyxoviridae 23 153 ssRNA(-) 1 linear segment 14.6-21.6 yes pleomorphic, mostly spherical (also filaments) 300-500 nm diameter vertebrates Paramyxoviridae
285 Parnassusviridae 1 1 dsDNA 1 circular segment 10.0-10.1 predicted icosahedral bacteria
286 Partitiviridae 5 45 dsRNA 2 linear segments 3.0-4.8 no icosahedral 25-43 nm diameter protists, fungi, plants Partitiviridae
287 Parvoviridae 30 281 ssDNA; ssDNA(+/-) 1-2 linear segments 3.3-6.7 no icosahedral 18-26 nm diameter invertebrates, vertebrates Parvoviridae
288 Paulinoviridae 2 4 ssDNA(+) 1 circular segment 5.6-6.8 no filamentous 7-12 nm diameter, 620-830 nm long bacteria Paulinoviridae
289 Pecoviridae 8 15 ssDNA(+/-) 1 circular segment 2.7-3.1 predicted icosahedral vertebrates Pecoviridae
290 Peduoviridae 59 127 dsDNA 1 linear segment 27.4-45.0 no head-tail 55-60 nm diameter head, 135-150 nm long tail bacteria
291 Pequenoviridae 1 1 ssDNA(+) 1 circular segment 6.4-6.5 predicted icosahedral bacteria
292 Peribunyaviridae 8 152 ssRNA(-) 3 linear segments 10.6-17.7 yes pleomorphic, mostly spherical 80-120 nm diameter invertebrates, vertebrates Peribunyaviridae
293 Permutotetraviridae 1 2 ssRNA(+) 1 linear segment 5.6-5.7 no icosahedral 40 nm diameter invertebrates Permutotetraviridae
294 Pervagoviridae 1 2 dsDNA 1 linear segment 72.5-73.0 no head-tail 60 nm diameter head, 23 nm long tail bacteria
295 Pestiviridae 5 23 ssRNA(+) 1 linear segment 11.2-24.1 yes spherical 40-60 nm diameter vertebrates, invertebrates, plants
296 Phasmaviridae 7 34 ssRNA(-) 3 linear segments 9.9-15.5 yes spherical 80-120 nm diameter invertebrates Phasmaviridae
297 Phenuiviridae 24 223 ssRNA(-); ssRNA(+/-) 2-8 linear segments 7.7-25.2 yes or no spherical or filamentous 80-120 nm diameter or 2-2.5 nm in diameter, 200-3000 nm long fungi, plants, invertebrates, vertebrates Phenuiviridae
298 Phlegiviridae 1 4 dsRNA 1 linear segment 9.4-11.6 no icosahedral or capsidless 55 nm diameter fungi
299 Phycodnaviridae 6 28 dsDNA 1 linear segment 154.6-407.4 no icosahedral 100-220 nm diameter protists
300 Phypoliviridae 1 1 dsDNA 1 linear segment 26.4-26.5 icosahedral 56-58 nm diameter protists