Notes on Family: Leviviridae

icosahedra

Contents

• Members of this Family
• General Description
• Morphology
• Genome
• Genera in the Family
• All Known Sequences
• Curated Sequences

General Description

This is the only family of phage with ssRNA genomes.

Morphology

Virions isometric (icosahedral), not enveloped, c. 26 nm in diameter.

Genomen

Monopartite, linear, postive sense ssRNA of 3.5-4.5 kb.

Genera in the Family

• Allolevivirus: Genome >4 kb, no separate lysis gene
• Levivirus: Genome <4 kb with a separate lysis gene