Emergence and Modular Evolution of a Novel Motility Machinery in Bacteria
2011

How Bacteria Move: Discovering the Gliding Machinery in Myxococcus xanthus

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Author Information

Author(s): Luciano Jennifer, Agrebi Rym, Le Gall Anne Valérie, Wartel Morgane, Fiegna Francesca, Ducret Adrien, Brochier-Armanet Céline, Mignot Tâm

Primary Institution: Institut de Microbiologie de la Méditerranée (IFR88)–Laboratoire de Chimie Bactérienne, CNRS UPR 9043, Marseille, France

Hypothesis

The gliding motility machinery in Myxococcus xanthus has co-evolved with specific genes and proteins that facilitate this movement.

Conclusion

This study identifies the structural components of the gliding motility machinery in Myxococcus xanthus and suggests evolutionary links to sporulation systems.

Supporting Evidence

  • The study successfully delineated three functionally related genetic clusters.
  • Experimental evidence confirmed the presence of structural gliding motility genes.
  • Phylogenomic analysis provided insights into the evolutionary history of the motility machinery.

Takeaway

Bacteria can move smoothly across surfaces without flagella, and this study found the specific parts that help them glide.

Methodology

The study involved re-annotating known gliding motility genes, examining their distribution, and conducting genetic and localization experiments.

Limitations

The exact mechanism of gliding motility remains unclear, and the study may not have identified all relevant genes.

Digital Object Identifier (DOI)

10.1371/journal.pgen.1002268

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