Scientifica

Review Article

Smaller Fleas: Viruses of Microorganisms

Table 3

Notable viruses of protists.
Virus nameFamilyType19Genome type (segments), morphology, size, GenBank accession number or reference (if available) Host type
Genus
Paramecium bursaria Chlorella
Virus 1		Phycodnaviridae
Chlorovirus 		YesdsDNA, icosahedral, 330,611 nt (NC_000852)Algae
Emiliania huxleyi
Virus 86		Phycodnaviridae
Coccolithovirus 		YesdsDNA, icosahedral, 407,339 nt (NC_007346)Algae
Micromonas pusilla
Virus SP1		Phycodnaviridae
Prasinovirus 		YesdsDNA, icosahedral (NCBI taxonomic ID = 373996)Algae
Chrysochromulina brevifilum
Virus PW1		Phycodnaviridae
Prymnesiovirus 		YesdsDNA, icosahedral (NCBI taxonomic ID = 352209)Algae
Heterosigma akashiwo
Virus 01		Phycodnaviridae
Raphidovirus 		YesdsDNA, icosahedral (NCBI taxonomic ID = 97195)Algae
Heterocapsa circularisquama DNA
Virus 01		Unassigned
Dinodnavirus 		YesdsDNA, complex, lipid-containing, icosahedral based (NCBI taxonomic ID = 650121)Algae
Chaetoceros salsugineum DNA
Virus 01		Unassigned
YesssDNA, icosahedralAlgae
Micromonas pusilla ReovirusReoviridae
Mimoreovirus 		YesdsRNA (11 segments), icosahedral, 25563 nt (NC_008177, NC_008178, NC_008171, NC_008180, NC_008179, NC_008176, NC_008181, NC_008172, NC_008173, NC_008174, NC_008175)Algae
Heterocapsa circularisquama RNA
Virus 01		Alvernaviridae
Dinornavirus 		YesssRNA (+), icosahedralAlgae
Aurantiochytrium single-stranded RNA virusLabyrnaviridae
Labyrnavirirus 21		 ssRNA (+), icosahedral, 9035 nt (NC_007522)Algae
Heterosigma akashiwo RNA virusMarnaviridae
Marnavirus 		YesssRNA (+), icosahedral, 8,587 nt (NC_005281)Algae
Volvox carteri Lueckenbuesser virusPseudoviridae
Hemivirus 		 ssRNA (+), icosahedral/sphericalAlgae
Volvox carteri Osser virusPseudoviridae
Hemivirus 		 ssRNA (+), icosahedral/sphericalAlgae
Rhizosolenia setigera RNA
Virus 01		Unassigned
YesssRNA (+), icosahedralAlgae
Physarum polycephalum
Tp1 virus		Pseudoviridae
Pseudovirus 		 ssRNA (+), icosahedral/sphericalCellular slime mold
Acanthamoeba polyphaga MimivirusMimiviridae
Mimivirus 		YesdsDNA, complex, lipid-containing, icosahedral
based, 1,181,549 nt (NC_014649)		Protozoa
Megavirus chilensisMimiviridae
Mimivirus 		 dsDNA, icosahedral, 1,259,197 nt (JN258408)Protozoa
Acanthamoeba castellanii mamavirus strain Hal-VMimiviridae
(unassigned genus)		 dsDNA, icosahedral, 1,191,693 nt (JF801956)Protozoa
Acanthamoeba polyphaga Moumouvirus Monve isolate Mv13-mvMimiviridae
(unassigned genus)		 dsDNA, icosahedral, ~1,015,033 nt (calculated from multiple contig sequences; JN885994–JN886001)Protozoa
Acanthamoeba polyphaga Megavirus courdo7 isolate Mv13-c7Mimiviridae
(unassigned genus)		 dsDNA, icosahedral, ~1,170,106 nt (calculated from multiple contig sequences; JN885990–JN885993)Protozoa
Cafeteria roenbergensis virus BV-PW1Mimiviridae
(unassigned genus)		 dsDNA, icosahedral, 617,453 nt (NC_014637)Protozoa
MarseillevirusMarseilleviridae
Marseillevirus 23		Yes24dsDNA, icosahedral, 368,454 nt (NC_013756)Protozoa
LausannevirusMarseilleviridae
Marseillevirus 		 dsDNA, icosahedral, 346,754 nt (NC_015326)Protozoa
Giardia lamblia virusTotiviridae
Giardiavirus 		YesdsRNA, icosahedral, 6,277 nt (NC_003555)Protozoa
Leishmania RNA
virus 1-1		Totiviridae
Leishmaniavirus 		YesdsRNA, icosahedral, 5,284 nt (NC_002063)Protozoa
Trichomonas vaginalis
Virus 1		Totiviridae
Trichomonasvirus 		YesdsRNA, icosahedral, 4,657 nt (JF436869)Protozoa
Cryptosporidium parvum
Virus 1		Partitiviridae
Cryspovirus 		YesdsRNA, icosahedral [108]Protozoa
Phytophthora Endornavirus 1Endornaviridae
Endornavirus 		 dsRNA, unencapsidated, 13,883 nt (AJ877914)Water mold
Rhizidiomyces virusUnassigned
Rhizidiovirus 		YesdsRNA, icosahedra [109]Water mold
iral type species.
Contains approximately 1 kb of dsDNA region within approximately 6 kb genomes; may also be listed as Bacillariodnavirus, in either case serving as conjunctions of “Bacillariophyta”, “DNA”, and “virus”.
hese taxa are not ICTV listed.
ee Table 1 for further discussion of this taxon.
roposed taxa; see text.
roposed type species.