Ntann12 annexin expression is induced by auxin in tobacco roots

Ntann12, encoding a polypeptide homologous to annexins, was found previously to be induced upon infection of tobacco with the bacterium Rhodococcus fascians. In this study, Ntann12 is shown to bind negatively charged phospholipids in a Ca(2+)-dependent manner. In plants growing in light conditions,...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 62(2011), 11 vom: 03. Juli, Seite 4055-65
1. Verfasser: Baucher, Marie (VerfasserIn)
Weitere Verfasser: Oukouomi Lowe, Yves, Vandeputte, Olivier M, Mukoko Bopopi, Johnny, Moussawi, Jihad, Vermeersch, Marjorie, Mol, Adeline, El Jaziri, Mondher, Homblé, Fabrice, Pérez-Morga, David
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Annexins Indoleacetic Acids Phospholipids Phthalimides Plant Growth Regulators Triiodobenzoic Acids alpha-naphthylphthalamic acid 306R88V86P indoleacetic acid mehr... 6U1S09C61L 2,3,5-triiodobenzoic acid H575A4059Q
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520 |a Ntann12, encoding a polypeptide homologous to annexins, was found previously to be induced upon infection of tobacco with the bacterium Rhodococcus fascians. In this study, Ntann12 is shown to bind negatively charged phospholipids in a Ca(2+)-dependent manner. In plants growing in light conditions, Ntann12 is principally expressed in roots and the corresponding protein was mainly immunolocalized in the nucleus. Ntann12 expression was inhibited following plant transfer to darkness and in plants lacking the aerial part. However, an auxin (indole-3-acetic acid) treatment restored the expression of Ntann12 in the root system in dark conditions. Conversely, polar auxin transport inhibitors such as 1-naphthylphthalamic acid (NPA) or 2,3,5-triiodobenzoic acid (TIBA) inhibited Ntann12 expression in light condition. These results indicate that the expression of Ntann12 in the root is linked to the perception of a signal in the aerial part of the plant that is transmitted to the root via polar auxin transport 
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700 1 |a Oukouomi Lowe, Yves  |e verfasserin  |4 aut 
700 1 |a Vandeputte, Olivier M  |e verfasserin  |4 aut 
700 1 |a Mukoko Bopopi, Johnny  |e verfasserin  |4 aut 
700 1 |a Moussawi, Jihad  |e verfasserin  |4 aut 
700 1 |a Vermeersch, Marjorie  |e verfasserin  |4 aut 
700 1 |a Mol, Adeline  |e verfasserin  |4 aut 
700 1 |a El Jaziri, Mondher  |e verfasserin  |4 aut 
700 1 |a Homblé, Fabrice  |e verfasserin  |4 aut 
700 1 |a Pérez-Morga, David  |e verfasserin  |4 aut 
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