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Cable Bacteria Take a New Breath Using Long-Distance Electricity

TRENDS IN MICROBIOLOGY (2018)

Journal

TRENDS IN MICROBIOLOGY

Volume 26, Issue 5, Pages 411-422

Publisher

ELSEVIER SCI LTD

DOI: 10.1016/j.tim.2017.10.011

Keywords

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Categories

Biochemistry & Molecular Biology Microbiology

Funding

European Research Council under the European Union's Seventh Framework Programme through ERC [306933]
Research Foundation Flanders (FWO) [G031416N]
Netherlands Organisation for Scientific Research (VICI) [016.VICI.170.072]

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Abstract

Recently, a new group of multicellular microorganisms was discovered, called 'cable bacteria', which are capable of generating and mediating electrical currents across centimetre-scale distances. By transporting electrons from cell to cell, cable bacteria can harvest electron donors and electron acceptors that are widely separated in space, thus providing them with a competitive advantage for survival in aquatic sediments. The underlying process of long-distance electron transport challenges some long-held ideas about the energy metabolism of multicellular organisms and entails a whole new type of electrical cooperation between cells. This review summarizes the current knowledge about these intriguing multicellular bacteria.

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