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Artículo
Light as an energy source in continuous cultures of bacteriorhodopsin-containing halobacteria
dc.creator | Nieto Gutiérrez, Joaquín José | |
dc.creator | Rodríguez Valera, Francisco | |
dc.creator | Ruiz Berraquero, Francisco | |
dc.date.accessioned | 2016-03-10T08:51:19Z | |
dc.date.available | 2016-03-10T08:51:19Z | |
dc.date.issued | 1983 | |
dc.identifier.issn | 0099-2240 | es |
dc.identifier.uri | http://hdl.handle.net/11441/38318 | |
dc.description.abstract | The role of light as an energy source for slightly aereated cultures of halobac teria was studied, using continuous cultures with low nutrient concentrations and a low oxygen supply. A series of experiments were carried out with non illuminated and differently illuminated cultures and with ditferent oxygen transfer rates. Under low oxygen availability, light proved to be a decisively important energy source that allowed the populations to reach higher growth rates and much higher population densities. Oxygen inftuenced the growth over only a minimal level, below which neither the illuminated nor the dark cultures were atfected by the oxygen transfer rate. From these results, it appears that the bacteriorhodop sin-mediated energy supply could have a very important role for the ecology of halobacteria in their microaerophilic habitats. In the illuminated cultures, cells that originated purple colonies on plates appeared. These cells, which could be bacteriorhodopsin-constitutive mutants, are now being studied. | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | American Society for Microbiology | es |
dc.relation.ispartof | Applied and Environmental Microbiology, 45, 868-871 | es |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Oxygen | es |
dc.subject | Chemostat | es |
dc.subject | Halobacterium | es |
dc.subject | Light | es |
dc.subject | Nonhuman | es |
dc.title | Light as an energy source in continuous cultures of bacteriorhodopsin-containing halobacteria | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Microbiología y Parasitología | es |
dc.identifier.idus | https://idus.us.es/xmlui/handle/11441/38318 |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Light as an energy source.pdf | 611.1Kb | [PDF] | Ver/ | |