Lipids of Archaeal Viruses

Table 1

Currently known membrane containing archaeal viruses, exit strategy, and presence of lipid envelope or inner membrane.

Family or Genus^a	Type species/example of species/species lipids studied	Exit strategy	Lipids	References
Globuloviridae (C)	Pyrobaculum spherical virus, PSV	No lysis detected	Lipid envelope	[50]
Lipothrixviridae (C)
Genus Alphalipothrixvirus	Thermoproteus tenax virus 1, TTV1	Lysis	Lipid envelope	[51, 52]
Genus Betalipothrixvirus	Acidianus filamentous virus 1, AFV1	No lysis detected	Lipid envelope	[53]
Genus Gammalipothrixvirus	Sulfolobus  islandicus filamentous virus 1, SIFV1	No lysis detected	Lipid envelope	[54]
Genus Salterprovirus (E)	His2^b	No lysis detected	Lipid envelope	[10, 55]
	Halorubrum pleomorphic virus 1, HRPV-1	No lysis detected	Lipid envelope	[34, 41]
	Halorubrum pleomorphic virus 2, HRPV-2	No lysis detected	Lipid envelope	[10, 56]
“Pleolipoviridae” (E)^b	Halorubrum pleomorphic virus 3, HRPV-3	No lysis detected	Lipid envelope	[10, 56]
	Halorubrum pleomorphic virus 6, HRPV-6	No lysis detected	Lipid envelope	[10]
	Haloarcula hispanica pleomorphic virus 1, HHPV-1	No lysis detected	Lipid envelope	[36]
	Sulfolobus turreted icosahedral virus, STIV (C)	Lysis	Inner membrane	[25, 57]
Unclassified	Sulfolobus turreted icosahedral virus 2, STIV2 (C)	Lysis	Inner membrane	[58]
	Sulfolobus tengchongensis spindle-shaped virus 1 (C)	No lysis detected	Lipid envelope	[59]
	SH1 (E)	Lysis	Inner membrane	[33, 40, 42]

^aHost domain: B: bacteria, C: crenarchaea, E: euryarchaea.
^bHis2 has been suggested to belong to the new family Pleolipoviridae. The approval of the suggested new family is pending at the ICTV.