Cholodny–Went revisited: a role for jasmonate in gravitropism of rice coleoptiles

@article{Gutjahr2005CholodnyWentRA,
  title={Cholodny–Went revisited: a role for jasmonate in gravitropism of rice coleoptiles},
  author={Caroline Gutjahr and Michael J Riemann and Axel M{\"u}ller and Petra D{\"u}chting and Elmar W J. Weiler and Peter Nick},
  journal={Planta},
  year={2005},
  volume={222},
  pages={575-585}
}
Gravitropism is explained by the Cholodny–Went hypothesis: the basipetal flow of auxin is diverted laterally. The resulting lateral auxin gradient triggers asymmetric growth. However, the Cholodny–Went hypothesis has been questioned repeatedly because the internal auxin gradient is too small to account for the observed growth asymmetry. Therefore, an additional gradient in indolyl-3-acetic acid (IAA) sensitivity has been suggested (Brauner and Hager in Planta 51:115–147, 1958). We challenged… CONTINUE READING
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