Spounavirinae


































Spounavirinae

Virus classification e
(unranked):
Virus
Phylum:
incertae sedis
Class:
incertae sedis
Order:
Caudovirales
Family:
Myoviridae
Subfamily:
Spounavirinae
Genera


  • Spounalikevirus

  • Twortlikevirus



Spounavirinae is a subfamily of viruses in the order Caudovirales, in the family Myoviridae. Bacteria serve as natural hosts. There are currently eight species in this subfamily, divided among 2 genera.[1][2]




Contents






  • 1 Taxonomy


  • 2 Structure


  • 3 Life cycle


  • 4 References


  • 5 External links





Taxonomy


Group: dsDNA



[2]



Structure


Viruses in Spounavirinae are non-enveloped, with icosahedral and Head-tail geometries, and T=16 symmetry. The diameter is around 84-94 nm, with a length of 140-219 in length, contractile with globular structures at its tip, has 6 long terminal fibers, 6 short spikes and a double base platenm. Genomes are circular, around 130-160kb in length. The genome codes for 190 to 230 proteins.[1]



























Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Spounalikevirus Head-Tail T=16 Non-enveloped Linear Monopartite
Twortlikevirus Head-Tail T=16 Non-enveloped Linear Monopartite


Life cycle


Viral replication is cytoplasmic. Entry into the host cell is achieved by adsorption into the host cell. DNA-templated transcription is the method of transcription. Bacteria serve as the natural host. Transmission routes are passive diffusion.[1]

































Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Spounalikevirus Bacteria None Injection Lysis Cytoplasm Cytoplasm Passive diffusion
Twortlikevirus Bacteria None Injection Lysis Cytoplasm Cytoplasm Passive diffusion


References





  1. ^ abc "Viral Zone". ExPASy. Retrieved 1 July 2015..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ ab ICTV. "Virus Taxonomy: 2014 Release". Retrieved 1 July 2015.




External links




  • Viralzone: Spounavirinae

  • ICTV











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