Giant Virus Toplist

The largest virus genomes and sequences (> 300k bps):

Generated: June 11, 2018. Details are below.

Sequence title Length Segm. Accession
1 Pandoravirus salinus, complete genome 2473870 1 NC_022098.1
2 Pandoravirus inopinatum isolate KlaHel, complete genome 2243109 1 NC_026440.1
3 Pandoravirus dulcis, complete genome 1908524 1 NC_021858.1
4 Tupanvirus deep ocean, partial genome 1516267 1 MF405918.1
5 Orpheovirus IHUMI-LCC2 genome assembly, complete genome: monopartite 1473573 1 NC_036594.1
6 Tupanvirus soda lake, complete genome 1439508 1 KY523104.1
7 Bodo saltans virus strain NG1, complete genome 1385869 1 MF782455.1
8 Niemeyer virus, partial genome 1299140 1 KT599914.1
9 Megavirus chiliensis, complete genome 1259197 1 NC_016072.1
10 UNVERIFIED: Acanthamoeba polyphaga mimivirus, partial genome 1258663 1 MG602507.1
11 Megavirus shan genome assembly Megavirus shan, scaffold scaffold00002, whole genome shotgun sequence 1258603 1 LN868520.1
12 Megavirus courdo11, complete genome 1246126 1 JX975216.1
13 Megavirus terra1 genome 1244621 1 KF527229.1
14 Megavirus montpellier3 genome assembly Megavirus montpellier3, scaffold scaffold00001, whole genome shotgun sequence 1242698 1 LN868518.1
15 Megavirus vitis isolate vigne, complete genome 1242360 1 MG807319.1
16 Megavirus lba isolate LBA111, complete genome 1230522 1 JX885207.1
17 Megavirus bus genome assembly Megavirus bus, scaffold scaffold00001, whole genome shotgun sequence 1229128 1 LN868539.1
18 Megavirus battle43 genome assembly Megavirus battle43, scaffold scaffold00001, whole genome shotgun sequence 1226044 1 LN868256.1
19 UNVERIFIED: Acanthamoeba polyphaga mimivirus strain Kroon, complete genome 1221932 1 KM982402.1
20 Megavirus T1 genome assembly Megavirus T1, scaffold scaffold00006, whole genome shotgun sequence 1216769 1 LN868526.1
21 Megavirus avenue9 genome assembly Megavirus avenue9, scaffold scaffold00001, whole genome shotgun sequence 1214278 1 LN867403.1
22 Powai lake megavirus isolate 1, complete genome 1208707 1 KU877344.1
23 UNVERIFIED: Acanthamoeba polyphaga mimivirus strain Oyster, complete genome 1200220 1 KM982401.1
24 Acanthamoeba castellanii mamavirus strain Hal-V, complete genome 1191693 1 JF801956.1
25 Acanthamoeba castellanii mimivirus DNA, nearly complete genome, strain: Mimivirus shirakomae 1182849 1 AP017645.1
26 Acanthamoeba castellanii mimivirus DNA, nearly complete genome, strain: Mimivirus kasaii 1182801 1 AP017644.1
27 Mimivirus Bombay isolate 1 genomic sequence 1182200 1 KU761889.1
28 Acanthamoeba polyphaga mimivirus, complete genome 1181549 1 NC_014649.1
29 Samba virus, complete genome 1181380 1 KF959826.2
30 Hirudovirus strain Sangsue, complete genome 1181042 1 KF493731.1
31 Mimivirus fauteuil genome assembly Mimivirus fauteuil, scaffold scaffold00001, whole genome shotgun sequence 1180980 1 LN871163.1
32 Mimivirus amazonia genome assembly Mimivirus amazonia, scaffold scaffold00001, whole genome shotgun sequence 1179120 1 LN867402.1
33 UNVERIFIED: Acanthamoeba polyphaga mimivirus strain Amazonia, partial genome 1179119 1 KM982403.1
34 Mimivirus terra2 genome 1168989 1 NC_023639.1
35 Mimivirus pointerouge2 genome assembly Mimivirus pointerouge2, scaffold scaffold00001, whole genome shotgun sequence 1162847 1 LN871172.1
36 Catovirus CTV1 Catovirus_1 genomic sequence 1152313 1 KY684083.1
37 Mimivirus pointerouge1 genome assembly Mimivirus pointerouge1, scaffold scaffold00001, whole genome shotgun sequence 1150884 1 LN871174.1
38 Mimivirus longchamps genome assembly Mimivirus longchamps, scaffold scaffold00001, whole genome shotgun sequence 1104869 1 LN871173.1
39 Moumouvirus australiensis isolate 10A, complete genome 1098002 1 MG807320.1
40 Saudi moumouvirus, partial genome 1030056 1 KY110734.1
41 Acanthamoeba polyphaga moumouvirus, complete genome 1021348 1 NC_020104.1
42 UNVERIFIED: Moumouvirus goulette, complete genome 1016844 1 KC008572.1
43 Acanthamoeba polyphaga mimivirus isolate M4, complete genome 981813 1 JN036606.1
44 Megavirus T4 genome assembly Megavirus T4, scaffold scaffold00002, whole genome shotgun sequence 970404 1 LN869537.1
45 Megavirus courdo5 genome assembly Megavirus courdo5, scaffold scaffold00001, whole genome shotgun sequence 921986 1 LN868540.1
46 Moumouvirus battle49 genome assembly Moumouvirus battle49, scaffold scaffold00008, whole genome shotgun sequence 844927 1 LN871171.1
47 Acanthamoeba polyphaga lentillevirus isolate lvs contig00005, whole genome shotgun sequence 788571 1 AFYC01000005.1
48 Pithovirus sp. LC8 genome assembly, scaffold: scaffold00001, whole genome shotgun sequence 683254 1 LT598836.1
49 Tetraselmis virus 1, complete genome 668031 1 KY322437.1
50 Mollivirus sibericum isolate P1084-T, complete genome 651523 1 NC_027867.1
51 Cafeteria roenbergensis virus BV-PW1, complete genome 617453 1 NC_014637.1
52 Pithovirus sibericum isolate P1084-T, complete genome 610033 1 NC_023423.1
53 Cedratvirus A11 genome assembly, complete genome: monopartite 589068 1 NC_032108.1
54 Cedratvirus lausannensis genome assembly, chromosome: cClCRIB-75 575161 1 LT907979.1
55 Cotesia congregata virus complete genome, segment Circle6 567670 30 NC_006638.1
56 Cedratvirus Zaza IHUMI strain IHUMI-S29 genome assembly, chromosome: scaffold_1 560887 1 LT994652.1
57 Megavirus courdo7 isolate Mv13-c7, partial genome 529672 1 JN885991.1
58 Cotesia congregata sequence containing Cotesia congregata bracovirus proviral locus 2 (PL2) 522749 1 HF586473.1
59 Bacillus phage G, complete genome 497513 1 NC_023719.1
60 Apis mellifera filamentous virus isolate CH-CO5, partial genome 496396 1 NC_027925.1
61 Agrobacterium phage Atu_ph07, complete genome 490380 1 MF403008.1
62 Chrysochromulina ericina virus isolate CeV-01B, complete genome 473558 1 NC_028094.1
63 Faustovirus ST1 genome assembly, complete genome: monopartite 470659 1 LT839607.1
64 Faustovirus strain E12, complete genome 466265 1 KJ614390.1
65 Faustovirus strain D5a, complete genome 466051 1 KU702950.1
66 Faustovirus strain E24, complete genome 466012 1 KU702948.1
67 Faustovirus strain E23, complete genome 465956 1 KU702952.1
68 Faustovirus strain D5b, complete genome 464523 1 KU702949.1
69 Faustovirus strain D6, complete genome 462011 1 KU702951.1
70 Brazilian cedratvirus IHUMI strain IHUMI-27.7 genome assembly, chromosome: scaffold_1 460038 1 LT994651.1
71 Phaeocystis globosa virus 12T, *** SEQUENCING IN PROGRESS ***, 3 unordered pieces 460002 1 HQ634147.1
72 Phaeocystis globosa virus strain 16T, complete genome 459984 1 NC_021312.1
73 Faustovirus strain D3, complete genome 455803 1 KU556803.1
74 Phaeocystis globosa virus 14T, *** SEQUENCING IN PROGRESS ***, 3 unordered pieces 452892 1 HQ634144.1
75 Klosneuvirus KNV1 Klosneuvirus_1 genomic sequence 451653 1 KY684108.1
76 Hokovirus HKV1 Hokovirus_1 genomic sequence 450695 1 KY684103.1
77 Salicola phage SCTP-2, complete genome 440001 1 MF360958.1
78 Emiliania huxleyi virus 207, *** SEQUENCING IN PROGRESS ***, 16 unordered pieces 421891 1 JF974317.1
79 Emiliania huxleyi virus 208, *** SEQUENCING IN PROGRESS ***, 17 unordered pieces 411003 1 JF974318.1
80 Hokovirus HKV1 Hokovirus_3 genomic sequence 407933 1 KY684105.1
81 Emiliania huxleyi virus 202, *** SEQUENCING IN PROGRESS ***, 12 unordered pieces 407516 1 HQ634145.1
82 Emiliania huxleyi virus 86, complete genome 407339 1 NC_007346.1
83 Emiliania huxleyi virus 86 isolate EhV86 407339 1 AJ890364.1
84 Emiliania huxleyi virus 201, *** SEQUENCING IN PROGRESS ***, 7 unordered pieces 407301 1 JF974311.1
85 Emiliania huxleyi virus 164 partial genome sequence 401558 1 KF481688.1
86 Emiliania huxleyi virus 18 partial genome sequence 400762 1 KF481685.1
87 Emiliania huxleyi virus 203, *** SEQUENCING IN PROGRESS ***, 7 unordered pieces 400520 1 JF974291.1
88 Emiliania huxleyi virus 156 partial genome sequence 400341 1 KF481687.1
89 Emiliania huxleyi virus 145 partial genome sequence 399873 1 KF481686.1
90 Emiliania huxleyi virus 88, *** SEQUENCING IN PROGRESS ***, 8 unordered pieces 397298 1 JF974310.1
91 Emiliania huxleyi virus 84, *** SEQUENCING IN PROGRESS ***, 9 unordered pieces 396620 1 JF974290.1
92 Pacmanvirus A23 genome assembly, complete genome: monopartite 395405 1 NC_034383.1
93 Insectomime virus strain V478, partial genome 386631 1 KF527888.1
94 Xanthomonas phage XacN1 DNA, complete genome 384670 1 AP018399.1
95 Insectomime virus V478 genomic scaffold, scaffold00001, whole genome shotgun sequence 382785 1 HG428764.1
96 Tunisvirus fontaine2 strain U484, complete genome 380011 1 KF483846.1
97 Catovirus CTV1 Catovirus_2 genomic sequence 379946 1 KY684084.1
98 Pectobacterium phage CBB, complete genome 378379 1 KU574722.1
99 Emiliania huxleyi virus 99B1 draft genome sequence 376759 1 FN429076.1
100 Noumeavirus isolate NMV1, complete genome 376207 1 NC_033775.1
101 Cannes 8 virus, complete genome 374041 1 KF261120.1
102 Tokyovirus A1 DNA, nearly complete genome 372707 1 NC_030230.1
103 Aureococcus anophagefferens virus isolate BtV-01, complete genome 370920 1 NC_024697.1
104 Melbournevirus isolate 1, complete genome 369360 1 NC_025412.1
105 Paramecium bursaria Chlorella virus NY2A, complete genome 368683 1 NC_009898.1
106 Paramecium bursaria Chlorella virus NY2A Chlorella virus NY2A ctg_13 genomic sequence 368683 1 DQ491002.1
107 Marseillevirus marseillevirus strain T19, complete genome 368454 1 NC_013756.1
108 Marseillevirus Shanghai isolate 1, complete genome 368078 1 MG827395.1
109 Brazilian marseillevirus strain BH2014, complete genome 362276 1 NC_029692.1
110 Kurlavirus BKC-1, complete genome 361368 1 KY073338.1
111 Golden Marseillevirus, complete genome 360610 1 NC_031465.1
112 Canarypox virus, complete genome 359853 1 NC_005309.1
113 Canarypox virus strain ATCC VR-111, complete genome 359853 1 AY318871.1
114 Canarypox virus isolate FMV15SnBuPox, complete genome 359853 1 MG760432.1
115 Cronobacter phage vB_CsaM_GAP32, complete genome 358663 1 NC_019401.1
116 Serratia phage BF, complete genome 357154 1 KY630187.1
117 Yersinia phage fHe-Yen9-04 genome assembly, chromosome: I 354378 1 LT960551.1
118 Yersinia phage fHe-Yen9-03 genome assembly, chromosome: I 352596 1 LT960552.1
119 Shearwaterpox virus strain SWPV-2, complete genome 351108 1 KX857215.1
120 Kaumoebavirus isolate Sc, complete genome 350731 1 NC_034249.1
121 Port-miou virus, complete genome 349275 1 KT428292.1
122 Vibrio phage 2.275.O._10N.286.54.E11, partial genome 348911 1 MG592671.1
123 Escherichia phage 121Q, complete genome 348532 1 NC_025447.1
124 Paramecium bursaria Chlorella virus NYs1, partial genome 348463 1 JX997183.1
125 Escherichia phage PBECO 4, complete genome 348113 1 NC_027364.1
126 Escherichia phage vB_Eco_slurp01 genome assembly, chromosome: I 348043 1 LT603033.1
127 Lausannevirus isolate 7715, complete genome 346754 1 HQ113105.1
128 Lausannevirus, complete genome 346754 1 NC_015326.1
129 Klebsiella phage K64-1 DNA, complete genome 346602 1 NC_027399.1
130 Enterobacteria phage vB_KleM-RaK2, complete genome 345809 1 NC_019526.1
131 Moumouvirus Monve isolate Mv13-mv, partial genome 345413 1 JN885998.1
132 Paramecium bursaria Chlorella virus IL-5-2s1, partial genome 345255 1 JX997170.1
133 Paramecium bursaria Chlorella virus NY-2B, partial genome 344863 1 JX997182.1
134 Organic Lake phycodnavirus 1 genomic sequence 344723 1 HQ704802.1
135 Paramecium bursaria Chlorella virus AR158, complete genome 344691 1 NC_009899.1
136 Paramecium bursaria Chlorella virus AR158 genomic sequence 344691 1 DQ491003.2
137 Paramecium bursaria Chlorella virus MA-1D, partial genome 339653 1 JX997172.1
138 Paramecium bursaria Chlorella virus MA-1E, partial genome 339391 1 JX997173.1
139 Ectocarpus siliculosus virus, complete genome 335593 1 AF204951.2
140 Ectocarpus siliculosus virus 1, complete genome 335593 1 NC_002687.1
141 Klosneuvirus KNV1 Klosneuvirus_2 genomic sequence 333228 1 KY684109.1
142 Paramecium bursaria Chlorella virus AN69C, partial genome 332309 1 JX997153.1
143 Paramecium bursaria Chlorella virus 1, complete genome 330611 1 NC_000852.5
144 Paramecium bursaria Chlorella virus 1 (PBCV-1), complete genome 330611 1 JF411744.1
145 Paramecium bursaria Chlorella virus CVR-1, partial genome 330002 1 JX997164.1
146 Paramecium bursaria Chlorella virus Can18-4, partial genome 329890 1 JX997157.1
147 Paramecium bursaria Chlorella virus NE-JV-4, partial genome 328315 1 JX997179.1
148 Acanthocystis turfacea Chlorella virus MN0810.1, partial genome 327406 1 JX997174.1
149 Paramecium bursaria Chlorella virus AP110A, partial genome 327349 1 JX997154.1
150 Only Syngen Nebraska virus 5, complete genome 327147 1 NC_032001.1
151 Paramecium bursaria Chlorella virus CVM-1, partial genome 327107 1 JX997163.1
152 Shearwaterpox virus strain SWPV-1, complete genome 326929 1 KX857216.1
153 Paramecium bursaria Chlorella virus CVA-1, partial genome 326592 1 JX997159.1
154 Paramecium bursaria Chlorella virus NE-JV-1, partial genome 326559 1 JX997176.1
155 Paramecium bursaria Chlorella virus NW665.2, partial genome 325996 1 JX997181.1
156 Acanthocystis turfacea Chlorella virus NTS-1, partial genome 323517 1 JX997180.1
157 Paramecium bursaria Chlorella virus IL-3A, partial genome 323497 1 JX997169.1
158 Paramecium bursaria Chlorella virus FR483, complete genome 321240 1 NC_008603.1
159 Acanthocystis turfacea Chlorella virus TN603.4.2, partial genome 320880 1 JX997186.1
160 Acanthocystis turfacea Chlorella virus NE-JV-2, partial genome 319583 1 JX997177.1
161 Paramecium bursaria Chlorella virus CVB-1, partial genome 319457 1 JX997160.1
162 Paramecium bursaria Chlorella virus CVG-1, partial genome 318742 1 JX997161.1
163 Hokovirus HKV1 Hokovirus_2 genomic sequence 317278 1 KY684104.1
164 Pseudomonas phage 201phi2-1, complete genome 316674 1 NC_010821.1
165 Acanthocystis turfacea Chlorella virus GM0701.1, partial genome 315239 1 JX997168.1
166 Paramecium bursaria chlorella virus MT325 genomic sequence 314335 1 DQ491001.1
167 Paramecium bursaria Chlorella virus OR0704.2.2, partial genome 313584 1 JX997184.1
168 Acanthocystis turfacea Chlorella virus OR0704.3, partial genome 311647 1 JX997185.1
169 Paramecium bursaria Chlorella virus CvsA1, partial genome 311223 1 JX997165.1
170 White spot syndrome virus strain CN01, complete genome 309286 1 NC_003225.3
171 Pseudomonas phage PhiPA3, complete genome 309208 1 NC_028999.1
172 Paramecium bursaria Chlorella virus CviKI, partial genome 309195 1 JX997162.1
173 Pseudomonas phage Phabio, complete genome 309157 1 MF042360.1
174 Choristoneura biennis entomopoxvirus ‘L’, complete genome 307691 1 NC_021248.1
175 Shrimp white spot syndrome virus, complete genome 307287 1 AF440570.1
176 Penguinpox virus isolate PSan92, complete genome 306862 1 NC_024446.1
177 Acanthocystis turfacea Chlorella virus Can0610SP, partial genome 306752 1 JX997156.1
178 Paramecium bursaria Chlorella virus CZ-2, partial genome 305715 1 JX997166.1
179 White spot syndrome virus, complete genome 305119 1 AF332093.3
180 White spot syndrome virus isolate EG3, complete genome 305119 1 KR083866.1
181 Sequence 1 from Patent WO0138351 305107 1 AX151396.1
182 Paramecium bursaria Chlorella virus Fr5L, partial genome 303810 1 JX997167.1
183 Emiliania huxleyi virus PS401, *** SEQUENCING IN PROGRESS ***, 13 unordered pieces 301520 1 HQ634146.1

  • How the toplist were made: The Giant Virus Toplist was made by the Giant Virus Finder software.
    Reference genome data were downloaded from the NCBI Genome FTP.
    Note that the lengths of distinct genome sequences (segments) of a particular complete genome were summarized.
    Other (not complete) genomic sequences were added from the NCBI Nucleotide database using the search term: “Viruses”[Organism] AND 300000:10000000[Sequence Length] NOT “Bacteria”[Organism] NOT “Archaea”[Organism].
  • Sequence title: Original sequence title retrieved from Genbank. If there were more than one sequence we choosed one.
  • Length: Sequence length. Length of the segments were summarized.
  • Segm.: Segments. The number of genome sequences (segments) belonged to a particular complete genome
  • Accession: If a reference sequence (NC_) existed then the identical non-reference sequences were ignored from the toplist.
    All accessions (including accessions of every segment files, and also the redundants) are available here: TopGiants-300000-allacc.csv.