Notes on Genus: Chlamydiamicrovirus
Type member: Chlamydia phage 1
This is one of the genera in the family Microviridae
. Members infect Chlamydia
Virions isometric (icosahedral), not enveloped, 26-32 nm in diameter with small surface projections.
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:
|1||67.0||Structural protein VP1|
|2||28.5||Structural protein VP2; proteins 2a (19.3 kDa) and 2b (18.5 kDa) have alternative start codons|
|3||16.7||Structural protein VP3|
|4||47.5||Protein 4a (24.6 kDa) has an alternative start codon|
|5||11.5||Protein 5a (6.9 kDa) has an alternative start codon|