Document Detail

Macrofilamentous microbial communities in the metal-rich and acidic River Tinto, Spain.
MedLine Citation:
PMID:  15183867     Owner:  NLM     Status:  MEDLINE    
A novel type of macroscopic microbial community consisting of large dendritic filaments (up to 1.5 m) in a pH 2.0 dam of the River Tinto (South-western Spain) is described. The combined use of 16S rRNA-gene surveys and fluorescent in situ hybridisation (FISH) suggested that gamma-proteobacteria and a relative large diversity of alpha-proteobacteria dominated these structures. beta-Proteobacteria, Actinobacteria and Firmicutes were also detected. Whereas acidophilic bacteria of the genera Acidithiobacillus, Leptospirillum and Acidiphilium, and archaea belonging to the Thermoplasmatales dominate mine acid drainage waters and streamers (riverbed filamentous biofilms), none of the lineages identified in this study affiliate to typical acid mine drainage acidophilic bacteria. Bacteria of the Tinto macrofilaments might be heterotrophic, and could be feeding on the organic matter entrapped in the filamentous structure.
Ana I López-Archilla; Emmanuelle Gérard; David Moreira; Purificación López-García
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  FEMS microbiology letters     Volume:  235     ISSN:  0378-1097     ISO Abbreviation:  FEMS Microbiol. Lett.     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-06-08     Completed Date:  2004-09-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7705721     Medline TA:  FEMS Microbiol Lett     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  221-8     Citation Subset:  IM    
Departamento de Ecología, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/AY475192;  AY475193;  AY475194;  AY475195;  AY475196;  AY475197;  AY475198;  AY475199;  AY475200;  AY475201;  AY475202;  AY475203;  AY475204;  AY475205;  AY475206;  AY475207;  AY475208
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MeSH Terms
Actinobacteria / isolation & purification
DNA, Ribosomal / analysis
Fresh Water / microbiology*
Hydrogen-Ion Concentration
In Situ Hybridization, Fluorescence
Molecular Sequence Data
Proteobacteria / isolation & purification
RNA, Ribosomal, 16S / genetics
Sequence Analysis, DNA
Water Pollution*
Reg. No./Substance:
0/DNA, Ribosomal; 0/Metals; 0/RNA, Ribosomal, 16S

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