Notes on Genus: Spiromicrovirus

icosahedra

Type member: Spiroplasma phage 4

Contents

Members of this Genus
General Description
Morphology
Electron Micrograph
Genome
Genus Genomic Organization
Genome Map
Type Member Genomic Organization
All Known Sequences
Curated Sequences

General Description

This is one of the genera in the family Microviridae. Members infect mycoplasmas.

Morphology

Virions isometric (icosahedral), not enveloped, 26-32 nm in diameter with small surface projections.

Genome

Monopartite, positive sense, circular ssDNA c. 4.5 kb in length.

Genus Genomic Organization

About 9 ORFs are translated from closely spaced or overlapping genes.

Type Member Genomic Organization

There are 9 closely spaced or overlapping ORFs:
ORFkDa
P137.5
P24.4
P33.6
P48.1
P511.4
P617.1
P7 capsid protein60.4
P813.8
P96.1