Direct and Mn-Controlled Indirect Iron Oxidation by Leptothrix discophora SS-1 and Leptothrix cholodnii

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Direct and Mn-Controlled Indirect Iron Oxidation by Leptothrix discophora SS-1 and Leptothrix cholodnii. / Eggerichs, Tanja; Otte, Tobias; Opel, Oliver et al.
In: Geomicrobiology Journal, Vol. 32, No. 10, 26.11.2015, p. 934-943.

Research output: Journal contributionsJournal articlesResearchpeer-review

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@article{8b69d7180ae64cddaa8e93e18d8a3d30,
title = "Direct and Mn-Controlled Indirect Iron Oxidation by Leptothrix discophora SS-1 and Leptothrix cholodnii",
abstract = "Direct biotic and homogeneous abiotic Fe(II) oxidation rates as well as oxidation rates of Fe(II) with MnOX were determined in laboratory experiments and compared with biotic Mn(II) oxidation rates. In groundwaters and thermal installation waters, parameters for both Fe(II) oxidation steps were studied and products of biotic and abiotic Fe(II) and Mn(II) oxidation were analyzed. Direct Fe(II) oxidation of active Leptothrix cholodnii cultures can reach first-order rates of up to 1.17 ± 0.90 h−1. Second-order rates of Fe(II) oxidation with biogenic, Leptothrix-cholodnii- and Leptothrix-discophora-SS-1-originating MnOX lead to rates comparable with those as obtained with abiotic H+-birnessite.",
keywords = "Sustainability Science, Chemistry, biogenic manganese oxides, biogeochemical cycling, iron-oxidizing bacteria, Leptothrix, manganese-oxidizing bacteria",
author = "Tanja Eggerichs and Tobias Otte and Oliver Opel and Wolfgang Ruck",
year = "2015",
month = nov,
day = "26",
doi = "10.1080/01490451.2015.1039671",
language = "English",
volume = "32",
pages = "934--943",
journal = "Geomicrobiology Journal",
issn = "0149-0451",
publisher = "Taylor & Francis",
number = "10",

}

RIS

TY - JOUR

T1 - Direct and Mn-Controlled Indirect Iron Oxidation by Leptothrix discophora SS-1 and Leptothrix cholodnii

AU - Eggerichs, Tanja

AU - Otte, Tobias

AU - Opel, Oliver

AU - Ruck, Wolfgang

PY - 2015/11/26

Y1 - 2015/11/26

N2 - Direct biotic and homogeneous abiotic Fe(II) oxidation rates as well as oxidation rates of Fe(II) with MnOX were determined in laboratory experiments and compared with biotic Mn(II) oxidation rates. In groundwaters and thermal installation waters, parameters for both Fe(II) oxidation steps were studied and products of biotic and abiotic Fe(II) and Mn(II) oxidation were analyzed. Direct Fe(II) oxidation of active Leptothrix cholodnii cultures can reach first-order rates of up to 1.17 ± 0.90 h−1. Second-order rates of Fe(II) oxidation with biogenic, Leptothrix-cholodnii- and Leptothrix-discophora-SS-1-originating MnOX lead to rates comparable with those as obtained with abiotic H+-birnessite.

AB - Direct biotic and homogeneous abiotic Fe(II) oxidation rates as well as oxidation rates of Fe(II) with MnOX were determined in laboratory experiments and compared with biotic Mn(II) oxidation rates. In groundwaters and thermal installation waters, parameters for both Fe(II) oxidation steps were studied and products of biotic and abiotic Fe(II) and Mn(II) oxidation were analyzed. Direct Fe(II) oxidation of active Leptothrix cholodnii cultures can reach first-order rates of up to 1.17 ± 0.90 h−1. Second-order rates of Fe(II) oxidation with biogenic, Leptothrix-cholodnii- and Leptothrix-discophora-SS-1-originating MnOX lead to rates comparable with those as obtained with abiotic H+-birnessite.

KW - Sustainability Science

KW - Chemistry

KW - biogenic manganese oxides

KW - biogeochemical cycling

KW - iron-oxidizing bacteria

KW - Leptothrix

KW - manganese-oxidizing bacteria

UR - http://www.scopus.com/inward/record.url?scp=84943404635&partnerID=8YFLogxK

U2 - 10.1080/01490451.2015.1039671

DO - 10.1080/01490451.2015.1039671

M3 - Journal articles

VL - 32

SP - 934

EP - 943

JO - Geomicrobiology Journal

JF - Geomicrobiology Journal

SN - 0149-0451

IS - 10

ER -