Subfamily: Twortvirinae


Subfamily: Twortvirinae

Distinguishing features

Members of this subfamily generally infect Staphylococcus and Lactobacillus strains, and have genomes of 135–150 kbp.

Derivation of names 

Twortvirinae: named in honour of Frederick William Twort (1877–1950), the English bacteriologist who discovered prokaryotic viruses in 1915.

Genus demarcation criteria

The Twortvirinae genera are well-supported monophyletic clades in genome-based phylogenies and in (concatenated) marker gene phylogenies. Members of the genera share at least 60% nucleotide identity across the genome length. The genome organisation is conserved. Members of the same genus generally infect members of the same bacterial genus.

Member taxa