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dc.contributor.author
Pérez Giménez, Julieta
dc.contributor.author
Lodeiro, Anibal
dc.date.available
2017-09-07T19:21:27Z
dc.date.issued
2013-02
dc.identifier.citation
Pérez Giménez, Julieta; Lodeiro, Anibal; Two effects of combined nitrogen on the adhesion of Rhizobium etli to bean roots; Springer; Symbiosis; 59; 3; 2-2013; 157-163
dc.identifier.issn
0334-5114
dc.identifier.uri
http://hdl.handle.net/11336/23795
dc.description.abstract
Combined forms of nitrogen negatively influence rhizobia-legume symbiosis. The effects of combined nitrogen are known for nodulation and dinitrogen (N2) fixation, but little is known about the effect on preinfection events. Here, we studied the effects of combined nitrogen on the adhesion of Rhizobium etli to common bean (Phaseolus vulgaris L.) roots. When potassium nitrate (KNO3) or sodium glutamate was added to an incubation mixture of rhizobia and plants that were previously grown in nitrogen-free solution, rhizobial adhesion to roots was stimulated. However, the rhizobial adhesion to bean roots that were previously grown with 10 mM KNO3 was reduced by half. A fraction of the bean root exudates, which is thermolabile and has molecular mass larger than 12 kDa stimulated rhizobial adhesion, but this stimulatory activity was lost in root exudates obtained with 10 mM KNO3. Thus, the inhibition of symbiosis in response to combined nitrogen may be controlled by the plant at the preinfection stage as well.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Nitrate
dc.subject
Root Exudate
dc.subject
Adhesion
dc.subject
Rhizobium
dc.title
Two effects of combined nitrogen on the adhesion of Rhizobium etli to bean roots
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-08-29T19:57:18Z
dc.journal.volume
59
dc.journal.number
3
dc.journal.pagination
157-163
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Pérez Giménez, Julieta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Biotecnología y Biología Molecular. Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Instituto de Biotecnología y Biología Molecular; Argentina
dc.description.fil
Fil: Lodeiro, Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Biotecnología y Biología Molecular. Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Instituto de Biotecnología y Biología Molecular; Argentina
dc.journal.title
Symbiosis
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s13199-013-0229-z
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs13199-013-0229-z


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