Family: Marnaviridae
Genus: Locarnavirus
Distinguishing features
Members of the genus form a separate clade from other members of the family upon phylogenetic analysis of RNA-directed RNA polymerase amino acid sequences.
Virion
See discussion under family description.
Genome organization and replication
Both mono- and di-cistronic genome organizations are found in the genus members (Figure 2. Marnaviridae). See discussion under family description.
Biology
See discussion under family description.
Species demarcation criteria
Species demarcation cut-offs are based on pairwise comparisons of the RdRP and capsid amino acid sequences. The cut-offs are 90% identity for the RdRP and 75% identity for the capsid. The phylogenetic relationship of classified virus isolates and numerous unclassified viruses is shown in Figure 1. Locarnavirus.
Figure 1. Locarnavirus. Maximum likelihood tree of locarnavirus RdRP amino sequences. The tree was produced using the JTT model with a gamma distribution of frequencies and invariant sites. Bootstrap values are shown where they were over 70%. Tips are labelled with filled circles for members of species; open circles represent unclassified viruses. Heterosigma akashiwo RNA virus (AY337486) was used as an outgroup. This phylogenetic tree and corresponding sequence alignment are available to download from the Resources page. |
Member species
The Member Species table enumerating important virus exemplars classified under each species of the genus is provided at the bottom of the page.
Related, unclassified viruses
Virus name |
Accession number |
Beihai picorna-like virus 42 |
|
Beihai picorna-like virus 43 strain BHBJDX18749 |
|
Beihai picorna-like virus 43 strain BHJJX25682 |
|
Beihai picorna-like virus 43 strain BHWZXX15634 |
|
Beihai picorna-like virus 43 strain BHNXC41212 |
|
Beihai picorna-like virus 43 strain SCJXSX39249 |
|
Beihai picorna-like virus 44 |
|
Beihai picorna-like virus 45 |
|
Beihai picorna-like virus 46 |
|
Beihai picorna-like virus 47 |
|
Beihai picorna-like virus 48 |
|
Beihai picorna-like virus 49 |
|
Beihai picorna-like virus 58 |
|
Beihai razor shell virus 1 strain BHZC37272 |
|
Beihai razor shell virus 1 strain BHBei76693 |
|
Beihai razor shell virus 1 strain BHBJDX18719 |
|
Beihai razor shell virus 2 strain BHBei76898 |
|
Beihai razor shell virus 2 strain BHZC37307 |
|
Changjiang picorna-like virus 1 |
|
Changjiang picorna-like virus 3 |
|
Changjiang picorna-like virus 4 |
|
Hubei leech virus 3 |
|
Hubei leech virus 4 strain SZmix20870 |
|
Hubei leech virus 4 strain CJLX30730 |
|
Hubei picorna-like virus 2 |
|
Hubei picorna-like virus 4 |
|
Hubei picorna-like virus 5 |
|
N OV 080 |
|
Sanxia picorna-like virus 8 |
|
Sanxia picorna-like virus 9 |
|
Shahe picorna-like virus 4 strain SHWC0209c12741 |
|
Shahe picorna-like virus 4 strain SHWC13603 |
|
Shahe picorna-like virus 5 |
|
Ubei picorna-like virus 3 |
|
Wenzhou channeled applesnail virus 1 |
|
Wenzhou picorna-like virus 12 |
|
Wenzhou picorna-like virus 14 |
|
Wenzhou picorna-like virus 15 |
|
Wenzhou picorna-like virus 16 |
Virus names and virus abbreviations are not official ICTV designations.