(virology) A family of linear double-stranded deoxyribonucleic acid-containing bacterial viruses (bacteriophages) characterized by a long noncontractile tail. Formerly known as Styloviridae.
Siphoviridae
| Sci-Tech Dictionary: Siphoviridae |
(′sī·fə′vir·ə′dī)
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| Wikipedia: Siphoviridae |
| Siphoviridae | |
|---|---|
| Virus classification | |
| Group: | Group I (dsDNA) |
| Order: | Caudovirales |
| Family: | Siphoviridae |
| Genera | |
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λ-like viruses |
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Siphoviridae are a family of double-stranded DNA viruses infecting only bacteria that are characterized by a long non-contractile tail and an isometric capsid (morphotype B1) or a prolate capsid (morphotype B2).
The Siphoviridae viruses have a capsid with a diameter of about 55-60 nm and a long tail that can reach up to 570 nm. Their double-stranded DNA is linear. This family includes the phage λ, the phage χ and the phage φ80.
The following genera are included here:
- Genus λ-like viruses; type species: Enterobacteria phage λ
- Genus T1-like viruses; type species: Enterobacteria phage T1
- Genus T5-like viruses; type species: Enterobacteria phage T5
- Genus c2-like viruses; type species: Lactococcus phage c2
- Genus L5-like viruses; type species: Mycobacterium phage L5
- Genus ψM1-like viruses; type species: Methanobacterium ψM1
- Genus φC31-like viruses; type species: Streptomyces phage φC31
- Genus N15-like viruses; type species: Enterobacteria phage N15
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