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Acquisition of intact polar lipids from the prymnesiophyte Phaeocystis globosa by its lytic virus PgV-07T
Maat, D.S.; Bale, N.J.; Hopmans, E.C.; Baudoux, A.C.; Sinninghe Damsté, J.S.; Schouten, S.; Brussaard, C.P.D. (2014). Acquisition of intact polar lipids from the prymnesiophyte Phaeocystis globosa by its lytic virus PgV-07T. Biogeosciences 11(1): 185-194. dx.doi.org/10.5194/bg-11-185-2014
In: Gattuso, J.P.; Kesselmeier, J. (Ed.) Biogeosciences. Copernicus Publications: Göttingen. ISSN 1726-4170, meer
Peer reviewed article  

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Auteurs  Top 
  • Maat, D.S., meer
  • Bale, N.J., meer
  • Hopmans, E.C., meer
  • Baudoux, A.C.
  • Sinninghe Damsté, J.S., meer
  • Schouten, S.
  • Brussaard, C.P.D., meer

Abstract
    Recent studies showed changes in phytoplankton lipid composition during viral infection and have indicated roles for specific lipids in the mechanisms of algal virus-host interaction. To investigate the generality of these findings and obtain a better understanding of the allocation of specific lipids to viruses, we studied the intact polar lipid (IPL) composition of virally infected and non-nfected cultures of the prymnesiophyte Phaeocystis globosa G(A) and its lytic virus PgV-07T. The P. globosa IPL composition was relatively stable over a diel cycle and not strongly affected by viral infection. Glycolipids, phospholipids and betaine lipids were present in both the host and virus, although specific groups such as the diacylglyceryl-hydroxymethyltrimethyl-beta-alanines and the sulfoquinovo-syldiacylglycerols, were present in a lower proportion or were not detected in the virus. Viral glycosphingolipids (vGSLs), which have been shown to play a role in the infection strategy of the virus EhV-86, infecting the prymnesiophyte Emiliania huxleyi CCMP374, were not encountered. Our results show that the involvement of lipids in virus-algal host interactions can be very different amongst virus-algal host systems.

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