Journal Article

Abscisic Acid Does Not Disrupt Either the Arabidopsis FCA–FY Interaction or its Rice Counterpart in vitro

Yun Hee Jang, Jeong Hwan Lee and Jeong-Kook Kim

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 49, issue 12, pages 1898-1901
Published in print December 2008 | ISSN: 0032-0781
Published online December 2008 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcn151
Abscisic Acid Does Not Disrupt Either the Arabidopsis FCA–FY Interaction or its Rice Counterpart in vitro

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  • Biochemistry
  • Molecular and Cell Biology
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We examined the effect of (+)-ABA on the in vitro interaction of rice FCA and FY homologs, OsFCA and OsFY. From this analysis, we found no disruption of the OsFCA–OsFY complexes by ABA treatment. This result prompted us to examine the effect of ABA on the FCA–FY interaction. In these experiments, we could not reproduce the inhibitory effect of (+)-ABA on the interaction between FCA and FY. Based on these combined results, we believe that the inhibitory effect of (+)-ABA on the FCA–FY interaction should be cautiously reconsidered.

Keywords: ABA — ABA receptor — FCA and FY interaction — GST pull-down assay — OsFCA and OsFY interaction

Journal Article.  2162 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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