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High life history diversity within a single genus of phytoplankton viruses

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2024

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Agarkova, Irina V.
Dunigan, David D.
Van Etten, James L.

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Open Access-Veröffentlichung
Core Facility der Universität Konstanz
Flow Cytometry Centre

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Phytoplankton viruses are key players in aquatic ecosystems, where they control algal populations and affect nutrient flow. The ecological impact and evolution of these viruses can be understood by studying their life history traits, but very little is known about the life history diversity of related viruses. We quantified the life cycle of 34 strains in the genus Chlorovirus, which infects freshwater green algae. All chloroviral life history traits varied 5-to 75-fold across strains, in some cases rivaling the known trait range for all phytoplankton viruses. The trait variation affected viral growth rates but was not detectably constrained by life history trade-offs. This study represents the most in-depth characterization of algal viruses to date and raises the question whether all phytoplankton virus genera are equally diverse.

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570 Biowissenschaften, Biologie

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ISO 690LIEVENS, Eva J. P., Irina V. AGARKOVA, David D. DUNIGAN, James L. VAN ETTEN, Lutz BECKS, 2024. High life history diversity within a single genus of phytoplankton viruses
BibTex
@unpublished{Lievens2024histo-71664,
  year={2024},
  doi={10.1101/2022.03.13.484168},
  title={High life history diversity within a single genus of phytoplankton viruses},
  author={Lievens, Eva J. P. and Agarkova, Irina V. and Dunigan, David D. and Van Etten, James L. and Becks, Lutz}
}
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    <dcterms:abstract>Phytoplankton viruses are key players in aquatic ecosystems, where they control algal populations and affect nutrient flow. The ecological impact and evolution of these viruses can be understood by studying their life history traits, but very little is known about the life history diversity of related viruses. We quantified the life cycle of 34 strains in the genus Chlorovirus, which infects freshwater green algae. All chloroviral life history traits varied 5-to 75-fold across strains, in some cases rivaling the known trait range for all phytoplankton viruses. The trait variation affected viral growth rates but was not detectably constrained by life history trade-offs. This study represents the most in-depth characterization of algal viruses to date and raises the question whether all phytoplankton virus genera are equally diverse.</dcterms:abstract>
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