Molecular characterization of the Lotus japonicus NRT1(PTR) and NRT2 families (Articolo in rivista)

Type
Label
  • Molecular characterization of the Lotus japonicus NRT1(PTR) and NRT2 families (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1365-3040.2012.02510.x (literal)
Alternative label
  • Criscuolo G; Valkov VT; Parlati A; Alves LM; Chiurazzi M. (2012)
    Molecular characterization of the Lotus japonicus NRT1(PTR) and NRT2 families
    in Plant, cell and environment (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Criscuolo G; Valkov VT; Parlati A; Alves LM; Chiurazzi M. (literal)
Pagina inizio
  • 1567 (literal)
Pagina fine
  • 1581 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 35 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Inst Genet & Biophys A Buzzati Traverso, I-80131 Naples, Italy (literal)
Titolo
  • Molecular characterization of the Lotus japonicus NRT1(PTR) and NRT2 families (literal)
Abstract
  • Nitrate is an essential element for plant growth, both as a primary nutrient in the nitrogen assimilation pathway and as an important signal for plant development. Low- and high-affinity transport systems are involved in the nitrate uptake from the soil and its distribution between different plant tissues. By an in silico search, we identified putative members of both systems in the model legume Lotus japonicus. We investigated, by a time course analysis, the transcripts abundance in root tissues of nine and four genes encoding putative low-affinity (NRT1) and high-affinity (NRT2) nitrate transporters, respectively. The genes were sub-classified as inducible, repressible and constitutive on the basis of their responses to provision of nitrate, auxin or cytokinin. Furthermore, the analysis of the pattern of expression in root and nodule tissues after Mesorhizobium loti inoculation permitted the identification of sequences significantly regulated during the symbiotic interaction. The interpretation of the global regulative networks obtained allowed to postulate roles for nitrate transporters as possible actors in the cross-talks between different signalling pathways triggered by biotic and abiotic factors. (literal)
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