Picobiliphytes: A Marine Picoplanktonic Algal Group with Unknown Affinities to Other Eukaryotes

DOI Web Site 被引用文献5件
  • Fabrice Not
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Klaus Valentin
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Khadidja Romari
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Connie Lovejoy
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Ramon Massana
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Kerstin Töbe
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Daniel Vaulot
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.
  • Linda K. Medlin
    Station Biologique de Roscoff, UMR 7144 CNRS and Université Pierre et Marie Curie, Boîte Postale 74, 29682 Roscoff Cedex, France.

説明

<jats:p> Environmental sequencing has revealed unimagined diversity among eukaryotic picoplankton. A distinct picoplanktonic algal group, initially detected from 18 <jats:italic>S</jats:italic> ribosomal DNA (rDNA) sequences, was hybridized with rRNA λ-targeted (rRNA-targeted) probes, detected by tyramide signal amplification–fluorescent in situ hybridization, and showed an organelle-like body with orange fluorescence indicative of phycobilins. Using this fluorescence signal, cells were sorted by flow cytometry and probed. Hybridized cells contained a 4′,6′-diamidino-2-phenylindole–stained organelle resembling a plastid with a nucleomorph. This suggests that they may be secondary endosymbiotic algae. Pending the isolation of living cells and their formal description, these algae have been termed picobiliphytes. </jats:p>

収録刊行物

  • Science

    Science 315 (5809), 253-255, 2007-01-12

    American Association for the Advancement of Science (AAAS)

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