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dc.contributor.authorPortillo Guisado, María del Carmen-
dc.contributor.authorPorca, Estefanía-
dc.contributor.authorCuezva, Soledad-
dc.contributor.authorCañaveras, Juan Carlos-
dc.contributor.authorSánchez Moral, Sergio-
dc.contributor.authorGonzález Grau, Juan Miguel-
dc.date.accessioned2009-09-17T14:31:50Z-
dc.date.available2009-09-17T14:31:50Z-
dc.date.issued2009-09-
dc.identifier.citationNaturwissenschaften 96(9): 1035-1042(2009)en_US
dc.identifier.issn0028-1042-
dc.identifier.urihttp://hdl.handle.net/10261/17030-
dc.description.abstractBacteria thriving in underground systems, such as karsts, adapt to use a variety of nutrients. Most of these nutrients derive from superficial processes. This study shows that bacteria are able to differentially induce carbonate precipitation or dissolution depending on the availability of nutrients for growth. Different bacterial strains isolated from caves, representing the most common components of these microbial communities, were cultured with different carbon and nitrogen sources (e.g., acetate, glucose, peptone, humic acids) and induced changes in pH were measured during growth. Carbonate can either precipitate or dissolve during bacterial growth. The induction of carbonate precipitates or their dissolution as a function of consumption of specific carbon sources revealed the existence of an active nutrient cycling process in karsts and links nutrients and environmental conditions to the existence of a highly significant carbon sink in subterraneous environments.en_US
dc.description.sponsorshipThis research was supported by CGL2006-11561/BTE project. All Altamira Cave Research Centre and Museum staff is acknowledged for their collaboration throughout the whole research perioden_US
dc.format.extent579917 bytes-
dc.format.mimetypeimage/jpeg-
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.rightsclosedAccessen_US
dc.subjectNutrienten_US
dc.subjectCarbonate precipitationen_US
dc.subjectCarbon sinken_US
dc.subjectCarbon budgeten_US
dc.subjectSubterraneous environmentsen_US
dc.titleIs the availability of different nutrients a critical factor for the impact of bacteria on subterraneous carbon budgets?en_US
dc.typeArtículoen_US
dc.identifier.doi10.1007/s00114-009-0562-5-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s00114-009-0562-5en_US
dc.identifier.e-issn1432-1904-
dc.contributor.funderMinisterio de Cultura (España)-
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