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dc.contributor.author
Arruebarrena Di Palma, Andrés
dc.contributor.author
Pereyra, Cintia Mariana
dc.contributor.author
Moreno Ramírez, Lizbeth
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Xiqui Vazquez, Maria L.
dc.contributor.author
Baca, Beatriz E.
dc.contributor.author
Pereyra, María Alejandra
dc.contributor.author
Lamattina, Lamattina
dc.contributor.author
Creus, Cecilia Mónica
dc.date.available
2017-11-28T16:01:29Z
dc.date.issued
2013-01
dc.identifier.citation
Arruebarrena Di Palma, Andrés; Pereyra, Cintia Mariana; Moreno Ramírez, Lizbeth; Xiqui Vazquez, Maria L.; Baca, Beatriz E.; et al.; Denitrification-derived nitric oxide modulates biofilm formation in Azospirillum brasilense; Wiley Blackwell Publishing, Inc; FEMS Microbiology Letters; 338; 1; 1-2013; 77-85
dc.identifier.issn
0378-1097
dc.identifier.uri
http://hdl.handle.net/11336/29213
dc.description.abstract
Azospirillum brasilense is a rhizobacterium that provides beneficial effects on plants when they colonize roots. The formation of complex bacterial communities known as biofilms begins with the interaction of planktonic cells with surfaces in response to appropriate signals. Nitric oxide (NO) is a signaling molecule implicated in numerous processes in bacteria, including biofilm formation or dispersion, depending on genera and lifestyle. Azospirillum brasilense Sp245 produces NO by denitrification having a role in root growth promotion. We analyzed the role of endogenously produced NO on biofilm formation in A. brasilense Sp245 and in a periplasmic nitrate reductase mutant (napA::Tn5; Faj164) affected in NO production. Cells were statically grown in media with nitrate or ammonium as nitrogen sources and examined for biofilm formation using crystal violet and by confocal laser microscopy. Both strains formed bio- films, but the mutant produced less than half compared with the wild type in nitrate medium showing impaired nitrite production in this condition. NO measurements in biofilm confirmed lower values in the mutant strain. The addition of a NO donor showed that NO influences biofilm formation in a dose-dependent manner and reverses the mutant phenotype, indicating that Nap positively regulates the formation of biofilm in A. brasilense Sp245.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Plant-Growth-Promoting-Rhizobacteria
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Periplasmic Nitrate Reductase
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Nitric Oxide
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Signaling
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Otras Biotecnología Agropecuaria
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Biotecnología Agropecuaria
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CIENCIAS AGRÍCOLAS
dc.title
Denitrification-derived nitric oxide modulates biofilm formation in Azospirillum brasilense
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-10-06T19:05:56Z
dc.journal.volume
338
dc.journal.number
1
dc.journal.pagination
77-85
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Arruebarrena Di Palma, Andrés. Universidad Nacional de Mar del Plata; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Pereyra, Cintia Mariana. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; Argentina
dc.description.fil
Fil: Moreno Ramírez, Lizbeth. Benemérita Universidad Autónoma de Puebla; México
dc.description.fil
Fil: Xiqui Vazquez, Maria L.. Benemérita Universidad Autónoma de Puebla; México
dc.description.fil
Fil: Baca, Beatriz E.. Benemérita Universidad Autónoma de Puebla; México
dc.description.fil
Fil: Pereyra, María Alejandra. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Lamattina, Lamattina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Biológicas. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Biológicas; Argentina
dc.description.fil
Fil: Creus, Cecilia Mónica. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
FEMS Microbiology Letters
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://femsle.oxfordjournals.org/content/338/1/77
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/1574-6968.12030
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