2011
DOI: 10.1093/jxb/err112
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Ntann12 annexin expression is induced by auxin in tobacco roots

Abstract: 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 Ca2+-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… Show more

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Cited by 31 publications
(24 citation statements)
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References 62 publications
(84 reference statements)
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“…In contrast, following plant transfer to darkness for 48 h, Ntann12 expression was inhibited as well as in plants lacking the aerial part and the corresponding protein was no more detectable. 6 Altogether, these data suggest that light perceived at the leaves surface is the initial signal activating the expression of Ntann12 in the root system of tobacco plantlets. Since auxin has been associated with several light-regulated processes (for a review see ref.…”
Section: Medicagomentioning
confidence: 86%
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“…In contrast, following plant transfer to darkness for 48 h, Ntann12 expression was inhibited as well as in plants lacking the aerial part and the corresponding protein was no more detectable. 6 Altogether, these data suggest that light perceived at the leaves surface is the initial signal activating the expression of Ntann12 in the root system of tobacco plantlets. Since auxin has been associated with several light-regulated processes (for a review see ref.…”
Section: Medicagomentioning
confidence: 86%
“…Besides, light has been reported to affect expression of a number of Arabidopsis and tobacco annexins. 3,6 Finally, annexin expression has been shown to be upregulated during pathogen attack or symbiotic interaction. [7][8][9] The majority of plant annexins has been localized in the cytosol and this localization appear to be dependent on the tissue/ cell type and on the stimulus.…”
Section: +mentioning
confidence: 99%
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