English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/115683
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:


Comparative microbial ecology study of the sediments and the water column of the Río Tinto, an extreme acidic environment

AuthorsGarcía-Moyano, Antonio; González-Toril, Elena ; Aguilera, Ángeles ; Amils, Ricardo
Molecular ecology
16S rRNA
Issue Date2012
PublisherBlackwell Publishing
CitationFEMS Micriobiology Ecology 81: 303-314 (2012)
AbstractDue to its highly metalliferous waters and low pH, the Rio Tinto has shown its potential for modelling both acid mine drainage systems and biohydrometallurgical operations. Most geomicrobiological studies of these systems have focused on the oxic water column. A sequence-based approach in combination with in situ detection techniques enabled us to examine the composition and structure of the microbial communities associated with the suboxic and anoxic sediments along the river course and to compare them with the planktonic communities inhabiting the water column. The results obtained with the different approaches were consistent and revealed some major patterns: higher cell density and higher richness (75 vs. 48 operational taxonomic units) in the sediments than in the water column. The microbial communities were related but the river sediments appear to be enriched in certain populations, some of which have not previously been reported in the Rio Tinto basin. The differences detected between sampling stations along the river correlate with certain environmental parameters (e.g. iron concentration gradient). The biological and geochemical data show the importance of the sediments as representing a phase of particular high diversity, probably related to key metabolic processes within both the iron and the sulfur cycles.
Identifiersdoi: 10.1111/j.1574-6941.2012.01346.x
issn: 0168-6496
Appears in Collections:(CAB) Artículos
(CBM) Artículos
Files in This Item:
File Description SizeFormat 
accesoRestringido.pdf15,38 kBAdobe PDFThumbnail
Show full item record
Review this work

Related articles:

WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.