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dc.contributor.author | Gomila, Margarita | - |
dc.contributor.author | Gascó, Joan M. | - |
dc.contributor.author | Gil, José | - |
dc.contributor.author | Bernabeu, Rosario | - |
dc.contributor.author | Iñigo, V. | - |
dc.contributor.author | Lalucat, Jorge | - |
dc.date.accessioned | 2014-06-04T08:44:36Z | - |
dc.date.available | 2014-06-04T08:44:36Z | - |
dc.date.issued | 2006 | - |
dc.identifier | doi: 10.1038/sj.ki.5001756 | - |
dc.identifier | issn: 0085-2538 | - |
dc.identifier.citation | Kidney International 70: 1567-1576 (2006) | - |
dc.identifier.uri | http://hdl.handle.net/10261/97697 | - |
dc.description.abstract | Bacteria, or bacteria-derived products, might be responsible for deleterious effects in hemodialysis patients. Most microorganisms in hemodialysis water, including potential pathogens, are difficult to isolate and might subsist in a 'viable but not culturable' state or may need specific culture media. A molecular culture-independent approach based on the analysis of the 16S rDNA obtained from total DNA has been used to better know the diversity of bacteria inhabiting hemodialysis water and fluid, and to address the possible health effects associated with their presence. Four clone libraries from 16S rDNA (274 clones) were analyzed to characterize the species or groups of bacteria present, to assess their distribution in the water circuit, and to compare the results with those previously obtained in culture-dependent analysis. One hundred and ninety-seven clones of four gene libraries were analyzed by sequencing, and were identified phylogenetically. Clones affiliated to the Alphaproteobacteria group led the diversity. The presence in several samples of Alpha-4-proteobacteria, recognized as sphingolipids producers, was to be noted. The most abundant clones were affiliated to the Betaproteobacteria branch, closely related to the genus Herbaspirillum. As known, Alphaproteobacteria and Betaproteobacteria genomes might present a manifest excess in CpG sequences and most of them show a lipopolysaccharide-rich outer membrane, both described as inducers of innate immunity responses. Another abundant group, belonging to the Cyanobacteria class, a possible source of cyanotoxins, was not related to any previously cultured bacterium. Possible risk implications for hemodialysis patients of the bacterial community detected are discussed. © 2006 International Society of Nephrology. | - |
dc.description.sponsorship | This research was supported in part by the CICYT (Spain) Grant REN2002-04035-CO3-01 and by the 'I Plà Balear de Recerca I Desenvolupament Tecnològic de les Illes Balears' | - |
dc.publisher | Nature Publishing Group | - |
dc.rights | closedAccess | - |
dc.title | A molecular microbial ecology approach to studying hemodialysis water and fluid | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1038/sj.ki.5001756 | - |
dc.date.updated | 2014-06-04T08:44:36Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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