<i>Alcanivorax borkumensis</i> biofilms enhance oil degradation by interfacial tubulation

  • M. Prasad
    Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.
  • N. Obana
    Transborder Medical Research Center, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.
  • S.-Z. Lin
    Aix Marseille Univ, Université de Toulon, CNRS, CPT (UMR 7332), Turing Centre for Living systems, Marseille, France.
  • S. Zhao
    Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.
  • K. Sakai
    PASTEUR, Département de Chimie, École Normale Supérieure, PSL Université, Sorbonne Université, CNRS, 75005 Paris, France.
  • C. Blanch-Mercader
    Laboratoire Physico-Chimie Curie UMR168, Institut Curie, Paris Sciences et Lettres, Centre National de la Recherche Scientifique, Sorbonne Université, 75248 Paris, France.
  • J. Prost
    Laboratoire Physico-Chimie Curie UMR168, Institut Curie, Paris Sciences et Lettres, Centre National de la Recherche Scientifique, Sorbonne Université, 75248 Paris, France.
  • N. Nomura
    Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.
  • J.-F. Rupprecht
    Aix Marseille Univ, Université de Toulon, CNRS, CPT (UMR 7332), Turing Centre for Living systems, Marseille, France.
  • J. Fattaccioli
    PASTEUR, Département de Chimie, École Normale Supérieure, PSL Université, Sorbonne Université, CNRS, 75005 Paris, France.
  • A. S. Utada
    Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.

抄録

<jats:p> During the consumption of alkanes, <jats:italic>Alcanivorax borkumensis</jats:italic> will form a biofilm around an oil droplet, but the role this plays during degradation remains unclear. We identified a shift in biofilm morphology that depends on adaptation to oil consumption: Longer exposure leads to the appearance of dendritic biofilms optimized for oil consumption effected through tubulation of the interface. In situ microfluidic tracking enabled us to correlate tubulation to localized defects in the interfacial cell ordering. We demonstrate control over droplet deformation by using confinement to position defects, inducing dimpling in the droplets. We developed a model that elucidates biofilm morphology, linking tubulation to decreased interfacial tension and increased cell hydrophobicity. </jats:p>

収録刊行物

  • Science

    Science 381 (6659), 748-753, 2023-08-18

    American Association for the Advancement of Science (AAAS)

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