Dissimilatory metal-reducing microorganisms are a group of microorganisms (both bacteria and archaea) that can perform anaerobic respiration utilizing a metal as terminal electron acceptor rather than molecular oxygen (O2), which is the terminal electron acceptor reduced to water (H2O) in aerobic respiration. The most common metals used for this end are iron [Fe(III)] and manganese [Mn(IV)], which are reduced to Fe(II) and Mn(II) respectively, and most microorganisms that reduce Fe(III) can reduce Mn(IV) as well. But other metals and metalloids are also used as terminal electron acceptors, such as vanadium [V(V)], chromium [Cr(VI)], molybdenum [Mo(VI)], cobalt [Co(III)], palladium [Pd(II)], gold [Au(III)], and mercury [Hg(II)].
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| - Dissimilatory metal-reducing microorganisms (en)
- Micro-organisme à réduction dissimilatrice de métaux (fr)
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| - Dissimilatory metal-reducing microorganisms are a group of microorganisms (both bacteria and archaea) that can perform anaerobic respiration utilizing a metal as terminal electron acceptor rather than molecular oxygen (O2), which is the terminal electron acceptor reduced to water (H2O) in aerobic respiration. The most common metals used for this end are iron [Fe(III)] and manganese [Mn(IV)], which are reduced to Fe(II) and Mn(II) respectively, and most microorganisms that reduce Fe(III) can reduce Mn(IV) as well. But other metals and metalloids are also used as terminal electron acceptors, such as vanadium [V(V)], chromium [Cr(VI)], molybdenum [Mo(VI)], cobalt [Co(III)], palladium [Pd(II)], gold [Au(III)], and mercury [Hg(II)]. (en)
- Un micro-organisme à réduction dissimilatrice de métaux (en anglais : dissimilatory metal-reducing microorganism) est une bactérie ou une archée dont la respiration cellulaire anaérobie utilise un métal comme accepteur final d'électrons. Les métaux les plus couramment utilisés par de tels micro-organismes sont le fer ferrique Fe(III) et le manganèse Mn(IV), réduits en fer ferreux Fe(II) et manganèse Mn(II), la plupart des procaryotes capables de réduire Fe(III) étant également capables de réduire Mn(IV). D'autres métaux et métalloïdes peuvent également servir d'accepteurs finaux d'électrons, comme le vanadium V(V), l'uranium U(VI),le sélénium Se(VI), le chrome Cr(VI), le molybdène Mo(VI), le cobalt Co(III), le palladium Pd(II), l'or Au(III) et le mercure Hg(II). (fr)
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| - Dissimilatory metal-reducing microorganisms are a group of microorganisms (both bacteria and archaea) that can perform anaerobic respiration utilizing a metal as terminal electron acceptor rather than molecular oxygen (O2), which is the terminal electron acceptor reduced to water (H2O) in aerobic respiration. The most common metals used for this end are iron [Fe(III)] and manganese [Mn(IV)], which are reduced to Fe(II) and Mn(II) respectively, and most microorganisms that reduce Fe(III) can reduce Mn(IV) as well. But other metals and metalloids are also used as terminal electron acceptors, such as vanadium [V(V)], chromium [Cr(VI)], molybdenum [Mo(VI)], cobalt [Co(III)], palladium [Pd(II)], gold [Au(III)], and mercury [Hg(II)]. (en)
- Un micro-organisme à réduction dissimilatrice de métaux (en anglais : dissimilatory metal-reducing microorganism) est une bactérie ou une archée dont la respiration cellulaire anaérobie utilise un métal comme accepteur final d'électrons. Les métaux les plus couramment utilisés par de tels micro-organismes sont le fer ferrique Fe(III) et le manganèse Mn(IV), réduits en fer ferreux Fe(II) et manganèse Mn(II), la plupart des procaryotes capables de réduire Fe(III) étant également capables de réduire Mn(IV). D'autres métaux et métalloïdes peuvent également servir d'accepteurs finaux d'électrons, comme le vanadium V(V), l'uranium U(VI),le sélénium Se(VI), le chrome Cr(VI), le molybdène Mo(VI), le cobalt Co(III), le palladium Pd(II), l'or Au(III) et le mercure Hg(II). (fr)
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