Microbially influenced corrosion as a model system for the study of metal microbe interactions: a unifying electron transfer hypothesis

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Abstract

The general term biomineralisation refers to biologically induced mineralisation in which an organism modifies its local microenvironment creating conditions such that there is chemical precipitation of mineral phases extracellularly. Most usually this results from an oxidation or reduction carried out by some microbial species, with the formation of a recognised biomineralised product. These reactions play a major role in microbial physiology and ecology, and are of central importance to such engineering consequences as microbial mining and microbially influenced corrosion. This paper will examine metal microbe interactions, both in naturally occurring microbial ecosystems and in two particular cases of biocorrosion, with the objective of putting forward a unifying hypothesis relevant to the understanding of each of these apparently disparate processes.

Original languageEnglish
Pages (from-to)65-76
Number of pages11
JournalBiofouling
Volume19
Issue number1
DOIs
Publication statusPublished - 2003

Keywords

  • microbially influenced corrosion (MIC)
  • redox
  • electron transfer
  • microbial ecosytems
  • consortia
  • sulphate-reducing bacteria (SRB)
  • manganese-oxidising bacteria (MOB)
  • SULFATE-REDUCING BACTERIA
  • DISSOLVED-OXYGEN CONCENTRATION
  • UNDERNEATH AEROBIC BIOFILMS
  • MILD-STEEL
  • STAINLESS-STEEL
  • DISSIMILATORY REDUCTION
  • FE(III) REDUCTION
  • MANGANESE OXIDES
  • SP-NOV
  • IRON

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