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Schwertmannite formation at cell junctions by a new filament-forming Fe(II)-oxidizing isolate affiliated with the novel genus Acidithrix

A new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates ('iron snow') collected below the redoxcline of an acidic lignite mine lake. Strain C25 catalysed the oxidation of ferrous iron [Fe(II)] under oxic conditions at 25 °C... Full description

Journal Title: Microbiology (Reading England), January 2016, Vol.162(1), pp.62-71
Main Author: Mori, Jiro F
Other Authors: Lu, Shipeng , Händel, Matthias , Totsche, Kai Uwe , Neu, Thomas R , Iancu, Vasile Vlad , Tarcea, Nicolae , Popp, Jürgen , Küsel, Kirsten
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1465-2080 ; PMID: 26506965 Version:1 ; DOI: 10.1099/mic.0.000205
Link: http://pubmed.gov/26506965
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recordid: medline26506965
title: Schwertmannite formation at cell junctions by a new filament-forming Fe(II)-oxidizing isolate affiliated with the novel genus Acidithrix
format: Article
creator:
  • Mori, Jiro F
  • Lu, Shipeng
  • Händel, Matthias
  • Totsche, Kai Uwe
  • Neu, Thomas R
  • Iancu, Vasile Vlad
  • Tarcea, Nicolae
  • Popp, Jürgen
  • Küsel, Kirsten
subjects:
  • Actinobacteria -- Metabolism
  • Intercellular Junctions -- Metabolism
  • Iron Compounds -- Metabolism
  • Lakes -- Microbiology
  • Snow -- Microbiology
ispartof: Microbiology (Reading, England), January 2016, Vol.162(1), pp.62-71
description: A new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates ('iron snow') collected below the redoxcline of an acidic lignite mine lake. Strain C25 catalysed the oxidation of ferrous iron [Fe(II)] under oxic conditions at 25 °C at a rate of 3.8 mM Fe(II) day(-1) in synthetic medium and 3.0 mM Fe(II) day(-1) in sterilized lake water in the presence of yeast extract, producing the rust-coloured, poorly crystalline mineral schwertmannite [Fe(III) oxyhydroxylsulfate]. During growth, rod-shaped cells of strain C25 formed long filaments, and then aggregated and degraded into shorter fragments, building large cell-mineral aggregates in the late stationary phase. Scanning electron microscopy analysis of cells during the early growth phase revealed that Fe(III)-minerals were formed as single needles on the cell surface, whereas the typical pincushion-like schwertmannite was observed during later growth phases at junctions between...
language: eng
source:
identifier: E-ISSN: 1465-2080 ; PMID: 26506965 Version:1 ; DOI: 10.1099/mic.0.000205
fulltext: fulltext
issn:
  • 14652080
  • 1465-2080
url: Link


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titleSchwertmannite formation at cell junctions by a new filament-forming Fe(II)-oxidizing isolate affiliated with the novel genus Acidithrix
creatorMori, Jiro F ; Lu, Shipeng ; Händel, Matthias ; Totsche, Kai Uwe ; Neu, Thomas R ; Iancu, Vasile Vlad ; Tarcea, Nicolae ; Popp, Jürgen ; Küsel, Kirsten
ispartofMicrobiology (Reading, England), January 2016, Vol.162(1), pp.62-71
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subjectActinobacteria -- Metabolism ; Intercellular Junctions -- Metabolism ; Iron Compounds -- Metabolism ; Lakes -- Microbiology ; Snow -- Microbiology
descriptionA new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates ('iron snow') collected below the redoxcline of an acidic lignite mine lake. Strain C25 catalysed the oxidation of ferrous iron [Fe(II)] under oxic conditions at 25 °C at a rate of 3.8 mM Fe(II) day(-1) in synthetic medium and 3.0 mM Fe(II) day(-1) in sterilized lake water in the presence of yeast extract, producing the rust-coloured, poorly crystalline mineral schwertmannite [Fe(III) oxyhydroxylsulfate]. During growth, rod-shaped cells of strain C25 formed long filaments, and then aggregated and degraded into shorter fragments, building large cell-mineral aggregates in the late stationary phase. Scanning electron microscopy analysis of cells during the early growth phase revealed that Fe(III)-minerals were formed as single needles on the cell surface, whereas the typical pincushion-like schwertmannite was observed during later growth phases at junctions between...
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titleSchwertmannite formation at cell junctions by a new filament-forming Fe(II)-oxidizing isolate affiliated with the novel genus Acidithrix
descriptionA new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates ('iron snow') collected below the redoxcline of an acidic lignite mine lake. Strain C25 catalysed the oxidation of ferrous iron [Fe(II)] under oxic conditions at 25 °C at a rate of 3.8 mM Fe(II) day(-1) in synthetic medium and 3.0 mM Fe(II) day(-1) in sterilized lake water in the presence of yeast extract, producing the rust-coloured, poorly crystalline mineral schwertmannite [Fe(III) oxyhydroxylsulfate]. During growth, rod-shaped cells of strain C25 formed long filaments, and then aggregated and degraded into shorter fragments, building large cell-mineral aggregates in the late stationary phase. Scanning electron microscopy analysis of cells during the early growth phase revealed that Fe(III)-minerals were formed as single needles on the cell surface, whereas the typical pincushion-like schwertmannite was observed during later growth phases at junctions between...
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abstractA new acidophilic iron-oxidizing strain (C25) belonging to the novel genus Acidithrix was isolated from pelagic iron-rich aggregates ('iron snow') collected below the redoxcline of an acidic lignite mine lake. Strain C25 catalysed the oxidation of ferrous iron [Fe(II)] under oxic conditions at 25 °C at a rate of 3.8 mM Fe(II) day(-1) in synthetic medium and 3.0 mM Fe(II) day(-1) in sterilized lake water in the presence of yeast extract, producing the rust-coloured, poorly crystalline mineral schwertmannite [Fe(III) oxyhydroxylsulfate]. During growth, rod-shaped cells of strain C25 formed long filaments, and then aggregated and degraded into shorter fragments, building large cell-mineral aggregates in the late stationary phase. Scanning electron microscopy analysis of cells during the early growth phase revealed that Fe(III)-minerals were formed as single needles on the cell surface, whereas the typical pincushion-like schwertmannite was observed during later growth phases at junctions between...
doi10.1099/mic.0.000205
pmid26506965
date2016-01