Three manganese oxide-rich marine sediments harbor similar communities of acetate-oxidizing manganese-reducing bacteria (Record no. 49015)

MARC details
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625153949.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-14830
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Title Three manganese oxide-rich marine sediments harbor similar communities of acetate-oxidizing manganese-reducing bacteria
490 0# - SERIES STATEMENT
Volume/sequential designation The ISME Journal, 6(1), p.2078-2090, 2012
520 3# - SUMMARY, ETC.
Summary, etc. Dissimilatory manganese reduction dominates anaerobic carbon oxidation in marine sediments with high manganese oxide concentrations, but the microorganisms responsible for this process are largely unknown. In this study, the acetate-utilizing manganese-reducing microbiota in geographi-cally well-separated, manganese oxide-rich sediments from Gullmar Fjord (Sweden), Skagerrak (Norway)and Ulleung Basin (Korea)were analyzed by 16S rRNA-stable isotope probing (SIP). Manganese reduction was the prevailing terminal electron-accepting process in anoxic incubations of surface sediments, and even the addition of acetate stimulated neither iron nor sulfate reduction. The three geographically distinct sediments harbored surprisingly similar communities of acetate-utilizing manganese-reducing bacteria: 16S rRNA of members of the genera Colwelliaand Arcobacterand of novel genera within theOceanospirillaceaeandAlteromonadaleswere detected in heavy RNA-SIP fractions from these three sediments. Most probable number (MPN)analysis yielded up to 10 6acetate-utilizing manganese-reducing cells cm 3 in Gullmar Fjord sediment. A 16S rRNA gene clone library that was established from the highest MPN dilutions was dominated by sequences ofColwelliaandArcobacterspecies and members of he Oceanospirillaceae, supporting the obtained RNA-SIP results. In conclusion, these findings strongly suggest that (i)acetate-dependent manganese reduction in manganese oxide-rich sediments is catalyzed by members of taxa (Arcobacter, Colwellia and Oceanospirillaceae)previously not known to possess this physiological function, (ii)similar acetate-utilizing manganese reducers thrive in geographically distinct regions and (iii)the identified manganese reducers differ greatly from the extensively explored iron reducers in marine sediments.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element 16S RRNA-SIP
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MANGANESE REDUCTION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MARINE SEDIMENT
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MPN COUNTS
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Vandieken, V.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pester, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Finke, N.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Hyun, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Friedrich, M.W.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Loy, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Thamdrup, B.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/18UFq7GfafOcJOq7pfp5kpYeZQEKSG_jH/view?usp=drivesdk">https://drive.google.com/file/d/18UFq7GfafOcJOq7pfp5kpYeZQEKSG_jH/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-14830 25.06.2025 25.06.2025 Documentos solicitados