Notes on Genus: Chlamydiamicrovirus

icosahedra

Type member: Chlamydia phage 1

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 Chlamydia species.

Morphology

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

Genome

Monopartite, positive sense, circular ssDNA 4.5-5 kb in length.

Genus Genomic Organization

About 8 ORFs are translated from closely spaced or overlapping genes.

Type Member Genomic Organization

There are 8 closely spaced or overlapping ORFs:
ORFkDa Note
167.0Structural protein VP1
73.6
228.5Structural protein VP2; proteins 2a (19.3 kDa) and 2b (18.5 kDa) have alternative start codons
69.4
316.7Structural protein VP3
84.6
447.5Protein 4a (24.6 kDa) has an alternative start codon
511.5Protein 5a (6.9 kDa) has an alternative start codon