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Long-distance electron transport by cable bacteria in mangrove sediments
Burdorf, L.D.; Hidalgo-Martinez, S.; Cook, P.L.M.C.; Meysman, F. (2016). Long-distance electron transport by cable bacteria in mangrove sediments. Mar. Ecol. Prog. Ser. 545: 1-8. https://dx.doi.org/10.3354/meps11635
In: Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe. ISSN 0171-8630; e-ISSN 1616-1599, more
Related to:
Burdorf, L.D.; Hidalgo-Martinez, S.; Cook, P.L.M.C.; Meysman, F. (2016). Long-distance electron transport by cable bacteria in mangrove sediments, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Scientist Day. Brugge, Belgium, 12 February 2016. VLIZ Special Publication, 75: pp. 24, more
Peer reviewed article  
Available in  Authors 
Keywords
    Chemistry > Geochemistry > Biogeochemistry
    Mangroves
    Bacteria [WoRMS]
    Marine/Coastal; Brackish water
Author keywords
    Electrogenic sulphur oxidation; Mangrove sediment biogeochemisty; Cable bacteria; Long-distance electron transport; Geomicrobiology
Authors  Top 
  • Burdorf, L.D., more
  • Hidalgo-Martinez, S., more
  • Cook, P.L.M.C.
  • Meysman, F., more
Abstract
    Cable bacteria are long, filamentoussulphur-oxidizing bacteria that induce long-distanceelectron transport in aquatic sediments. They turnthe seafloor into an electro-active environment, characterizedby currents and electrical fields, and whenpresent, they exert a strong impact on the geochemicalcycling in the seafloor. However, cable bacteriahave only recently been discovered, and so their geographicaldistribution and habitat distribution remainlargely unknown. Here we report field evidence thatcable bacteria are present and active in mangrovesediments. Combining microsensor profiling andfluorescence in situ hybridization, we recorded highfilament densities (77 m cm-2) and the signature ofelectrogenic sulphur oxidation in sediments of greymangroves near Melbourne, Australia. Our findingssuggest that cable bacteria could be a keystonemicrobial species in the geochemical cycling ofmangroves.
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