Virus Properties
|
Order |
Family or unassigned genus |
Nature of the genome |
Genome configuration |
Genome size (kbp or kb) |
Env? |
Morphology |
Virion size |
Host |
|
Caudovirales |
Myoviridae |
dsDNA |
1 linear segment |
31–317 |
− |
icosahedral head with tail |
icosahedral heads: 60–145 nm; elongated heads: 80 × 110 nm; tail: 16–20×80–455 nm |
B, Ar |
|
Caudovirales |
Podoviridae |
dsDNA |
1 linear segment |
16–78 |
− |
icosahedral head with short tail |
head: 60–70 nm tail: 10–20 nm |
B |
|
Caudovirales |
Siphoviridae |
dsDNA |
1 linear segment |
21–134 |
− |
icosahedral head with tail |
head: 40–80 nm; tail: 5–10 nm×100–210 nm |
B, Ar |
|
Herpesvirales |
Alloherpesviridae |
dsDNA |
1 linear segment |
134–295 |
+ |
spherical virion, icosahedral core |
160–300 nm |
V |
|
Herpesvirales |
Herpesviridae |
dsDNA |
1 linear segment |
125–241 |
+ |
spherical virion, icosahedral core |
160–300 nm |
V |
|
Herpesvirales |
Malacoherpesviridae |
dsDNA |
1 linear segment |
207 |
+ |
icosahedral |
160–300 nm |
I |
|
Unassigned family |
Adenoviridae |
dsDNA |
1 linear segment |
26–48 |
− |
icosahedral |
70–90 nm |
V |
|
Unassigned family |
Ampullaviridae |
dsDNA |
1 linear segment |
24 |
+ |
bottle-shaped |
75 to 4 nm×230 nm |
Ar |
|
Unassigned family |
Ascoviridae |
dsDNA |
circular genome |
150–190 |
+ |
bacilliform, ovoidal, allantoid |
130 nm×200–400 nm |
I |
|
Unassigned family |
Asfarviridae |
dsDNA |
1 linear segment |
165–190 |
+ |
icosahedral |
200–250 nm |
V, I |
|
Unassigned family |
Baculoviridae |
dsDNA |
circular supercoiled genome |
80–180 |
+ |
rod-shaped |
30–60 nm×250–300 nm |
I |
|
Unassigned family |
Bicaudaviridae |
dsDNA |
circular genome |
63 |
+ |
lemon shaped, two-tailed |
80 nm×120–400 nm |
Ar |
|
Unassigned family |
Corticoviridae |
dsDNA |
circular supercoiled genome |
10 |
− |
icosahedral |
60 nm |
B |
|
Unassigned family |
Fuselloviridae |
dsDNA |
circular supercoiled genome |
15–18 |
+ |
lemon-shaped |
55–60 nm×80–100 nm |
Ar |
|
Unassigned family |
Globuloviridae |
dsDNA |
1 linear segment |
21–28 |
+ |
spherical |
70–100 nm |
Ar |
|
Unassigned family |
Guttaviridae |
dsDNA |
circular genome |
20 |
+ |
droplet-shaped |
75–90 nm×110–185 nm |
Ar |
|
Unassigned family |
Iridoviridae |
dsDNA |
1 linear segment |
140–303 |
+/− |
icosahedral, spherical |
120–350 nm |
V, I |
|
Unassigned family |
Lipothrixviridae |
dsDNA |
1 linear segment |
16–42 |
+ |
filamentous |
24–38 nm×410–2200 nm |
Ar |
|
Unassigned family |
Mimiviridae |
dsDNA |
1 linear segment |
1200 |
− |
pseudo-icosahedral |
750 nm |
Pr |
|
Unassigned family |
Nimaviridae |
dsDNA |
circular genome |
300 |
+ |
ovoid, bacilliform |
120–150 nm×270–290 nm |
I |
|
Unassigned family |
Papillomaviridae |
dsDNA |
circular genome |
6.8–8.4 |
− |
icosahedral |
55 nm |
V |
|
Unassigned family |
Phycodnaviridae |
dsDNA |
1 linear segment |
100–560 |
− |
icosahedral |
100–220 nm |
Al |
|
Unassigned family |
Plasmaviridae |
dsDNA |
circular supercoiled genome |
12 |
+ |
quasi-spherical, pleomorphic |
50–125 nm |
B |
|
Unassigned family |
Polydnaviridae |
dsDNA |
multiple circular supercoiled segments |
total genome: 190–600 |
+ |
prolate ellipsoid |
bracovirus nucleocapsids: 34–40 nm×8–150 nm; ichnovirus nucleocapsids: 85 nm×330 nm |
I |
|
Unassigned family |
Polyomaviridae |
dsDNA |
circular genome |
4.7–5.4 |
− |
icosahedral |
40–45 nm |
V |
|
Unassigned family |
Poxviridae |
dsDNA |
1 linear segment |
130–375 |
+ |
pleomorphic |
140–260 nm×220 nm×450 nm |
V, I |
|
Unassigned family |
Rudiviridae |
dsDNA |
1 linear segment |
25–35 |
− |
rod-shaped |
23 nm×600–900 nm |
Ar |
|
Unassigned family |
Tectiviridae |
dsDNA |
1 linear segment |
15 |
− |
icosahedral |
66 nm |
B |
|
Unassigned genus |
Rhizidiovirus |
dsDNA |
1 linear segment |
27 (estimate) |
− |
icosahedral |
60 nm |
Pr |
|
Unassigned genus |
Salterprovirus |
dsDNA |
1 linear segment |
14.5 |
+ |
lemon-shaped |
44–77 nm |
Ar |
|
Unassigned family |
Anelloviridae |
ssDNA (−) |
circular genome |
2–4 |
− |
icosahedral |
30 nm |
V |
|
Unassigned family |
Circoviridae |
ssDNA (−) or (+/–) |
circular genome |
1.7-2.3 |
− |
icosahedral |
12–27 nm |
V |
|
Unassigned family |
Geminiviridae |
ssDNA (+/−) |
1 or 2 circular segments |
2.5-3 per segment |
− |
icosahedral |
22×38 nm |
P |
|
Unassigned family |
Inoviridae |
ssDNA (+) |
circular genome |
inoviruses: 5.8–12.4; plectroviruses: 4.5–8.2 |
− |
inoviruses: filamentous; plectroviruses: rod-shaped |
inoviruses: 7 nm×700–3500 nm; plectroviruses: 15 nm×200–400 nm |
B |
|
Unassigned family |
Microviridae |
ssDNA (+) |
circular genome |
4.4–6.1 |
− |
icosahedral |
25–27 nm |
B |
|
Unassigned family |
Nanoviridae |
ssDNA (+) |
nanoviruses: 8; babuviruses: 6 circular segments |
0.98–1.1 per segment |
− |
icosahedral |
18–20 nm |
P |
|
Unassigned family |
Parvoviridae |
ssDNA (+/−) |
1 linear segment |
4–6.3 |
− |
icosahedral |
21–26 nm |
V, I |
|
Unassigned family |
Caulimoviridae |
dsDNA-RT |
non-covalently closed circular genome |
7.2–9.2 |
− |
icosahedral, bacilliform |
icosahedral: 50–52 nm; bacilliform: 30 nm×130–150 nm |
P |
|
Unassigned family |
Hepadnaviridae |
dsDNA-RT |
non-covalently closed circular genome |
3–4 |
+ |
spherical |
42–50 nm |
V |
|
Unassigned family |
Metaviridae |
ssRNA-RT (+) |
1 linear segment |
4–10 |
+/− |
intracellular virus-like particles and/or enveloped extracellular virions |
unknown |
F, I, P, V |
|
Unassigned family |
Pseudoviridae |
ssRNA-RT (+) |
1 linear segment |
5–9 |
− |
spherical, icosahedral |
60–80 nm |
Al, F, I, P, Pr |
|
Unassigned family |
Retroviridae |
ssRNA-RT (+) |
1 linear segment (dimer) |
7–13 |
+ |
spherical |
80–100 nm |
V |
|
Unassigned family |
Birnaviridae |
dsRNA |
2 linear segments |
3.5, 3 |
− |
icosahedral |
65 nm |
V, I |
|
Unassigned family |
Chrysoviridae |
dsRNA |
4 linear segments |
3.6, 3.2, 3.0, 2.9 |
− |
icosahedral |
35–40 nm |
F |
|
Unassigned family |
Cystoviridae |
dsRNA |
3 linear segments |
6.4–7.1, 3.6–4.7, 2.6–3.2 |
+ |
spherical |
85 nm |
B |
|
Unassigned family |
Endornaviridae |
dsRNA |
1 linear segment |
14–18 |
N/A |
pleomorphic RNA-containing vesicles |
no virions; viral RNA contained in cytoplasmic vesicles |
Al, F, P |
|
Unassigned family |
Partitiviridae |
dsRNA |
2 linear segments |
1.4–2.4 per segment |
− |
icosahedral |
30–43 nm |
P, F |
|
Unassigned family |
Picobirnaviridae |
dsRNA |
2 linear segments |
2.4–2.6, 1.5–1.9 |
− |
icosahedral |
33–37 nm |
V |
|
Unassigned family |
Reoviridae |
dsRNA |
9–12 linear segments |
total genome: 19–32 |
− |
turreted (Spinareovirinae) or non-turreted (Sedoreovirinae) icosahedral capsid |
60–85 nm |
F, I, P, V, Pr |
|
Unassigned family |
Totiviridae |
dsRNA |
1 linear segment |
4–7 |
− |
icosahedral |
33–40 nm |
F, Pr |
|
Mononegavirales |
Bornaviridae |
ssRNA (−) |
1 linear segment |
9 |
+ |
spherical |
90–130 nm |
V |
|
Mononegavirales |
Filoviridae |
ssRNA (−) |
1 linear segment |
19 |
+ |
bacilliform, filamentous |
80 nm×660–800 nm |
V |
|
Mononegavirales |
Paramyxoviridae |
ssRNA (−) |
1 linear segment |
13–19 |
+ |
spherical, filamentous, pleomorphic |
>150 nm |
V |
|
Mononegavirales |
Rhabdoviridae |
ssRNA (−) |
1 linear segment |
11–15 |
+ |
bullet-shaped, bacilliform |
45–100 nm×100–430 nm |
V, I, P |
|
Unassigned family |
Arenaviridae |
ssRNA (+/−) |
2 linear segments |
7.5, 3.5 |
+ |
spherical, pleomorphic |
50–300 nm |
V |
|
Unassigned family |
Bunyaviridae |
ssRNA (+/−) |
3 linear segments |
6.4–12.3, 3.9–5.4, 0.96–3.0 |
+ |
spherical |
80–120 nm |
V, I, P |
|
Unassigned family |
Ophioviridae |
ssRNA (−) |
3 or 4 linear segments |
7.6–8.2, 1.6–1.8, 1.5, 1.4 |
− |
filamentous, coiled |
3 nm×>=760 nm |
P |
|
Unassigned family |
Orthomyxoviridae |
ssRNA (−) |
6–8 linear segments |
0.7–2.4 per segment |
+ |
spherical, filamentous, pleomorphic |
80–120 nm |
V, I |
|
Unassigned genus |
Deltavirus |
ssRNA (−) |
circular genome |
1.7 |
+ |
spherical |
36–43 nm |
V |
|
Unassigned genus |
Emaravirus |
ssRNA (−) |
4 linear segments |
7, 2.3, 1.6, 1.4 |
+ |
spherical |
80–100 nm |
P |
|
Unassigned genus |
Tenuivirus |
ssRNA (+/−) |
4–6 linear segments |
total genome: 17–23 |
− |
filamentous |
3–10 nm×>100 nm |
P, I |
|
Unassigned genus |
Varicosavirus |
ssRNA (−) |
2 linear segments |
6.8, 6.1 |
− |
rod-shaped |
18 nm×320–360 nm |
P |
|
Nidovirales |
Arteriviridae |
ssRNA (+) |
1 linear segment |
13–16 |
+ |
spherical, pleomorphic |
50–74 nm |
V |
|
Nidovirales |
Coronaviridae |
ssRNA (+) |
1 linear segment |
26–32 |
+ |
spherical, bacilliform |
spherical: 120–160 nm; bacilliform: 75–90 nm×170–200 nm |
V |
|
Nidovirales |
Roniviridae |
ssRNA (+) |
1 linear segment |
26 |
+ |
bacilliform |
40–60 nm×150–200 nm |
I |
|
Picornavirales |
Dicistroviridae |
ssRNA (+) |
1 linear segment |
8.5–10 |
− |
icosahedral |
30 nm |
I |
|
Picornavirales |
Iflaviridae |
ssRNA (+) |
1 linear segment |
8.8–10 |
− |
icosahedral |
26–30 nm |
I |
|
Picornavirales |
Marnaviridae |
ssRNA (+) |
1 linear segment |
8.6 |
− |
icosahedral |
25 nm |
Al |
|
Picornavirales |
Picornaviridae |
ssRNA (+) |
1 linear segment |
7-9 |
− |
icosahedral |
30 nm |
V |
|
Picornavirales |
Secoviridae |
ssRNA (+) |
1 or 2 linear segments |
monopartite: 9.8–12.5; bipartite: 5.8–8.4, 3.3–7.3 |
− |
icosahedral |
25–30 nm |
P |
|
Tymovirales |
Alphaflexiviridae |
ssRNA (+) |
1 linear segment |
6–9 |
− |
filamentous |
10–15 nm×470–800 nm |
P, F |
|
Tymovirales |
Betaflexiviridae |
ssRNA (+) |
1 linear segment |
6–9 |
− |
filamentous |
10–15 nm×600–1000 nm |
P |
|
Tymovirales |
Gammaflexiviridae |
ssRNA (+) |
1 linear segment |
7 |
− |
filamentous |
13×720 nm |
F |
|
Tymovirales |
Tymoviridae |
ssRNA (+) |
1 linear segment |
6–7.5 |
− |
icosahedral |
30 nm |
P, I |
|
Unassigned family |
Astroviridae |
ssRNA (+) |
1 linear segment |
6–8 |
− |
icosahedral |
28–30 nm |
V |
|
Unassigned family |
Barnaviridae |
ssRNA (+) |
1 linear segment |
4 |
− |
bacilliform |
18–20 nm×48–53 nm |
F |
|
Unassigned family |
Bromoviridae |
ssRNA (+) |
3 linear segments |
3.4, 2.8, 2.3 |
− |
icosahedral, bacilliform |
icosahedral: 25–35 nm; bacilliform: 18–26 nm×30–85 nm |
P |
|
Unassigned family |
Caliciviridae |
ssRNA (+) |
1 linear segment |
7–8 |
− |
icosahedral |
35-40 nm |
V |
|
Unassigned family |
Closteroviridae |
ssRNA (+) |
1–3 linear segments |
monopartite: 13–19; bipartite: 8–9, 8–9; tripartite: 8, 5.3, 3.9 |
− |
filamentous |
12 nm×650–2000 nm |
P |
|
Unassigned family |
Flaviviridae |
ssRNA (+) |
1 linear segment |
9–13 |
+ |
spherical |
40–60 nm |
V, I |
|
Unassigned family |
Hepeviridae |
ssRNA (+) |
1 linear segment |
6.6–7.2 |
− |
icosahedral |
27–34 nm |
V |
|
Unassigned family |
Hypoviridae |
ssRNA (+) |
1 linear segment |
9–13 |
N/A |
pleomorphic RNA-containing vesicles |
no virions; viral RNA contained in cytoplasmic vesicles |
F |
|
Unassigned family |
Leviviridae |
ssRNA (+) |
1 linear segment |
3.5–4.3 |
− |
icosahedral |
26 nm |
B |
|
Unassigned family |
Luteoviridae |
ssRNA (+) |
1 linear segment |
5–6 |
− |
icosahedral |
25–30 nm |
P |
|
Unassigned family |
Narnaviridae |
ssRNA (+) |
1 linear segment |
2–3 |
N/A |
no true virions.; intracellular RNP complex |
N/A |
F |
|
Unassigned family |
Nodaviridae |
ssRNA (+) |
2 linear segments |
3.1, 1.4 |
− |
icosahedral |
33 nm |
V, I |
|
Unassigned family |
Potyviridae |
ssRNA (+) |
1 or 2 linear segments |
monopartite: 9.3–10.8; bipartite: 7.3–7.6, 3.5–3.7 |
− |
filamentous |
monopartite:11-15 nm×650–900 nm; bipartite: 11–15 nm×250–300 and 500–600 nm |
P |
|
Unassigned family |
Tetraviridae |
ssRNA (+) |
1 or 2 linear segments |
monopartite: 5.7–6.6; bipartite: 5.3–5.5, 2.5 |
− |
icosahedral |
40 nm |
I |
|
Unassigned family |
Togaviridae |
ssRNA (+) |
1 linear segment |
9.7 to 11.8 |
+ |
spherical |
60–70 nm |
V, I |
|
Unassigned family |
Tombusviridae |
ssRNA (+) |
1 or 2 linear segments |
monopartite: 3.7–4.8; bipartite: 3.8, 1.4 |
− |
icosahedral |
28–35 nm |
P |
|
Unassigned family |
Virgaviridae |
ssRNA (+) |
1–3 linear segments |
monopartite: 6.3–6.6; bipartite: 6–7, 1.8–4.5; tripartite: 3.7–6, 3.0–3.6, 2.5–3.2 |
− |
rod-shaped |
18–21 nm×50–310 nm |
P |
|
Unassigned genus |
Benyvirus |
ssRNA (+) |
4 or 5 linear segments |
6.7, 4.6, 1.8, 1.4, 1.3 |
− |
rod-shaped |
20 nm×65–390 nm |
P |
|
Unassigned genus |
Cilevirus |
ssRNA (+) |
2 linear segments |
8.7, 5.0 |
− |
bacilliform |
50–55 nm×120–130 nm |
P |
|
Unassigned genus |
Idaeovirus |
ssRNA (+) |
2 linear segments |
5.5, 2.2 |
− |
icosahedral |
33 nm |
P |
|
Unassigned genus |
Ourmiavirus |
ssRNA (+ |
3 linear segments |
2.8, 1.1, 0.97 |
− |
bacilliform |
18 nm×30–62 nm |
P |
|
Unassigned genus |
Polemovirus |
ssRNA (+) |
1 linear segment |
4.6 |
− |
icosahedral |
34 nm |
P |
|
Unassigned genus |
Sobemovirus |
ssRNA (+) |
1 linear segment |
4–5 |
− |
icosahedral |
25–30 nm |
P |
|
Unassigned genus |
Umbravirus |
ssRNA (+) |
1 linear segment |
4.0–4.2 |
N/A |
no true virions; intracellular RNP complex |
N/A |
P |
|
Viroids |
Avsunviroidae |
RNA |
1 circular (non-coding) segment |
250–400 nts |
− |
unencapsidated; rod-like |
<50 nm |
P |
|
Viroids |
Pospiviroidae |
RNA |
1 circular (non-coding) segment |
250–375 nts |
− |
unencapsidated; rod-like |
<50 nm |
P |
|
Prions |
Fungal Prions |
Protein |
N/A |
variable number of amino acid residues |
N/A |
filamentous fibers, particles, aggregates |
variable |
F |
|
Prions |
Vertebrate Prions |
Protein |
N/A |
variable number of amino acid residues |
N/A |
rod-shaped, filamentous fibers, particles, aggregates |
variable |
V
|