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Recolector de Ciencia Abierta, RECOLECTA
Part of book or chapter of book . 2006 . Peer-reviewed
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Características especiales de la simbiosis Lupinus-Bradyrhizobium sp. (Lupinus)

Authors: González-Sama, Alfonso; Coba de la Peña, Teodoro; Redondo, F. J.; Nuria de, María; Guasch, Luis; Fedorova, Elena E.; Lorenzo, Cristina de; +7 Authors

Características especiales de la simbiosis Lupinus-Bradyrhizobium sp. (Lupinus)

Abstract

Las leguminosas del género Lupinus establecen simbiosis con bacterias del género Bradyrhizobium en nódulos indeterminados de tipo lupinoide. En este trabajo se describen el proceso de infección y el desarrollo del primordio nodular, que presentan características poco frecuentes. La infección tiene lugar vía intercelular. Las bacterias invaden la célula subepidérmica bajo el pelo radical, y mediante sucesivas divisiones de las células infectadas y las células no infectadas que las rodean se forma el primordio nodular. La división de las células infectadas es una característica de estos nódulos. Glicoproteínas, MAP-quinasas, aldehído oxidasas, citoesqueleto y genes como el inhibidor mitótico ccs52A están implicados en las etapas iniciales de nodulación y en el desarrollo de los nódulos. Además, se detallan aspectos estructurales y funcionales que caracterizan a los nódulos de altramuz, como son la peculiar corteza y la barrera de resistencia a la difusión de oxígeno. Así mismo, se describe la presencia de la actividad óxido nítrico sintasa, las alteraciones producidas durante la senescencia nodular y la tolerancia de esta simbiosis a diferentes estreses abióticos.

12 pages, figures, and tables statistics.

Peer reviewed

Keywords

Lupinus-Bradyrhizobium sp. (Lupinus), Simbiosis

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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