title: Depth-related gradients of viral activity in Lake Pavin.
abstract: High-resolution vertical sampling and determination of viral and prokaryotic parameters in a deep volcanic lake shows that in the absence of thermal stratification but within light, oxygen, and chlorophyll gradients, host availability empirically is prevalent over the physical and chemical environments and favors lytic over lysogenic "viral life cycles."
authors.affiliation: Laboratoire de Biologie des Protistes, Université Blaise Pascal (Clermont-Ferrand II), UMR CNRS 6023, F-63177 Aubière Cedex, France.
authors.forename: J
authors.initials: J
authors.lastname: Colombet
authors.forename: T
authors.initials: T
authors.lastname: Sime-Ngando
authors.forename: H M
authors.initials: HM
authors.lastname: Cauchie
authors.forename: G
authors.initials: G
authors.lastname: Fonty
authors.forename: L
authors.initials: L
authors.lastname: Hoffmann
authors.forename: G
authors.initials: G
authors.lastname: Demeure
mesh_terms: D002734:Chlorophyll / Q000032:analysis; D005618:Fresh Water / Q000032:analysis / Q000821:virology*; D008027:Light; D008189:Luxembourg; D010100:Oxygen / Q000032:analysis; D014780:Viruses / Q000145:classification / Q000302:isolation & purification*; D014871:Water Microbiology
chemical_list: D002734:Chlorophyll; D010100:Oxygen