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Gene Review:

IAA5 - auxin-responsive protein IAA5

Arabidopsis thaliana

Synonyms: ATAUX2-27, AUX2-27, AUXIN-INDUCIBLE 2-27, T16N11.9, T16N11_9, ...

Nakamura, A. et al., Yamada, H. et al.

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High impact information on IAA5

Brassinolide induces IAA5, IAA19, and DR5, a synthetic auxin response element in Arabidopsis, implying a cross talk point of brassinosteroid and auxin signaling [1].
As postulated for intact plants, in T87 cells too, the induction of IAA5 by auxin was selectively inhibited in the presence of a proteasome inhibitor, while the induction of ARR6 by cytokinin was not significantly affected under the same conditions [2].
We also show that T87 cells had the ability to respond to auxin when the expression of a set of AUX/IAA genes (e.g., IAA5) was examined [2].

Biological context of IAA5

We also found that a fusion of DR5, a synthetic auxin response element, with the GUS (beta-glucuronidase) gene was induced with similar kinetics to those of the IAA5 and IAA19 genes in response to both IAA and BL treatment of transgenic plants [1].

References

Brassinolide induces IAA5, IAA19, and DR5, a synthetic auxin response element in Arabidopsis, implying a cross talk point of brassinosteroid and auxin signaling. Nakamura, A., Higuchi, K., Goda, H., Fujiwara, M.T., Sawa, S., Koshiba, T., Shimada, Y., Yoshida, S. Plant Physiol. (2003) [Pubmed]
Rapid response of Arabidopsis T87 cultured cells to cytokinin through His-to-Asp phosphorelay signal transduction. Yamada, H., Koizumi, N., Nakamichi, N., Kiba, T., Yamashino, T., Mizuno, T. Biosci. Biotechnol. Biochem. (2004) [Pubmed]

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