Matonaviridae

Matonaviridae is a family of RNA viruses that infect fungi. This family consists of a single genus, Matonavirus, which contains one species, Rosellinia necatrix matonavirus 1. The viruses in this family have monopartite genomes and are classified as positive-sense single-stranded RNA viruses.

Taxonomy[edit | edit source]

The family Matonaviridae is part of the order Tymovirales. It contains a single genus, Matonavirus, which in turn contains a single species, Rosellinia necatrix matonavirus 1.

Structure and genome[edit | edit source]

Matonaviridae viruses are non-enveloped, with icosahedral geometries. The diameter is around 28-30 nm. Genomes are linear and non-segmented, around 7.1 kb in length.

The genome codes for two proteins: a replication-associated protein and a capsid protein. The replication-associated protein has RNA-dependent RNA polymerase (RdRp) and helicase domains.

Life cycle[edit | edit source]

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Translation takes place by ribosomal skipping. The virus exits the host cell by tubule-guided viral movement. Fungi serve as the natural host.

References[edit | edit source]

External links[edit | edit source]

Matonaviridae Resources
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