Auxin Biosynthesis and Polar Auxin Transport During Tropisms in Maize Coleoptiles

  • Takeshi NishimuraEmail author
  • Tomokazu Koshiba
Part of the Signaling and Communication in Plants book series (SIGCOMM, volume 17)


In 1880, Charles Darwin and his son published a book, The Power of Movement in Plants, in which they described plant tropic behavior. This observation was the first suggestion of the importance of some influence transmitted from the tip to the basal growing parts. Following their suggestion, much research was conducted on plant tropic curvature, which indicated that the influence was a substance, auxin (indole-3-acetic acid; IAA), the first plant hormone to be identified. Tropic responses are generally explained by the Cholodny–Went hypothesis, that is, they occur via differential growth on the two sides of the elongating shoot that results from asymmetrical IAA distribution. In this mini-review, we summarize classic and modern research as the story of tip-specific IAA biosynthesis and its essential role on gravitropic and phototropic curvatures in maize (Zea mays) coleoptiles.


Aldehyde Oxidase 13C11 15N2 Gravitropic Response Tropic Curvature Maize Coleoptile 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Biological SciencesTokyo Metropolitan UniversityHachioji-shiJapan
  2. 2.Genetically Modified Organism Research CenterNational Institute of Agrobiological SciencesTsukubaJapan

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