, Volume 20, Issue 4, pp 380–382 | Cite as

Phagen in Sedimenten der marinen tiefen Biosphäre

  • Bert EngelenEmail author
  • Tim Engelhardt
  • Heribert Cypionka
Wissenschaft Phagenökologie


Deep marine sediments harbor huge numbers of prokaryotes that are involved in the global elemental cycles. This “deep biosphere” is prone to increasing energy limitation with depth. Phages are probably the main “predators” for microbial life in the subsurface and provide nutrients due to lysis of infected cells. Their numbers always exceed the total cell counts by factors of up to 225 indicating ongoing virus production. At this high ratio, up to 80 percent of all biomass is virus-bound.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Bert Engelen
    • 1
    • 2
    Email author
  • Tim Engelhardt
    • 1
  • Heribert Cypionka
    • 1
  1. 1.Institut für Chemie und Biologie des Meeres (ICBM)Universität OldenburgOldenburgGermany
  2. 2.Institut für Chemie und Biologie des Meeres (ICBM)Carl von Ossietzky Universität OldenburgOldenburgGermany

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