The expression of the Athb-8 homeobox gene is restricted to provascular cells in Arabidopsis thaliana (Articolo in rivista)

Type
Label
  • The expression of the Athb-8 homeobox gene is restricted to provascular cells in Arabidopsis thaliana (Articolo in rivista) (literal)
Anno
  • 1995-01-01T00:00:00+01:00 (literal)
Alternative label
  • S Baima (2); F Nobili (2); G Sessa (1); S Lucchetti (2); I Ruberti (1); G Morelli (2) (1995)
    The expression of the Athb-8 homeobox gene is restricted to provascular cells in Arabidopsis thaliana
    in Development (Camb.); Company of Biologists Ltd., Cambridge (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S Baima (2); F Nobili (2); G Sessa (1); S Lucchetti (2); I Ruberti (1); G Morelli (2) (literal)
Pagina inizio
  • 4171 (literal)
Pagina fine
  • 4182 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 121 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Biologia e Patologia Molecolari (2) Istituto di ricerca per gli Alimenti e la Nutrizione (literal)
Titolo
  • The expression of the Athb-8 homeobox gene is restricted to provascular cells in Arabidopsis thaliana (literal)
Abstract
  • We have characterized an Arabidopsis homeobox gene coding for a putative DNA binding protein that represents an early marker for vascular development, The full-length cDNA encodes a protein of 833 amino acids that we have designated Athb-8; it contains the conserved DNA binding domain that characterizes the HD-Zip family of transcription factors. RNA analysis showed that the Athb-8 gene is expressed during the vegetative and the reproductive phases of plant growth. A higher steady-state level of the Athb-8 mRNA was found in flowering stem and root. In situ mRNA analysis of Arabidopsis plants demonstrated that Athb-8 expression is restricted to the procambial cells of embryo and developing organs. Moreover, Athb-8-GUS expression was found in single parenchyma cells which are differentiating into tracheary elements in wounded tobacco transgenic plants. Finally, we showed that the auxin, indole-3-acetic acid, which is involved in vascular development and differentiation, modulates the expression of the gene. Taken together, these results suggest that Athb-8 might be a regulator of vascular development in Arabidopsis thaliana. (literal)
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