The Kinematics of Plant Nutation Reveals a Simple Relation between Curvature and the Orientation of Differential Growth

Bastien, Renaud; Meroz, Yasmine

The Kinematics of Plant Nutation Reveals a Simple Relation between Curvature and the Orientation of Differential Growth

Dateien

Bastien_0-377072.pdf(3.63 MB)

Datum

2016

Autor:innen

Bastien, Renaud

Meroz, Yasmine

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

PLOS Computational Biology ; 12 (2016), 12. - e1005238. - ISSN 1553-734X. - eISSN 1553-7358

Zusammenfassung

Nutation is an oscillatory movement that plants display during their development. Despite its ubiquity among plants movements, the relation between the observed movement and the underlying biological mechanisms remains unclear. Here we show that the kinematics of the full organ in 3D give a simple picture of plant nutation, where the orientation of the curvature along the main axis of the organ aligns with the direction of maximal differential growth. Within this framework we reexamine the validity of widely used experimental measurements of the apical tip as markers of growth dynamics. We show that though this relation is correct under certain conditions, it does not generally hold, and is not sufficient to uncover the specific role of each mechanism. As an example we re-interpret previously measured experimental observations using our model.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

BASTIEN, Renaud, Yasmine MEROZ, 2016. The Kinematics of Plant Nutation Reveals a Simple Relation between Curvature and the Orientation of Differential Growth. In: PLOS Computational Biology. 12(12), e1005238. ISSN 1553-734X. eISSN 1553-7358. Available under: doi: 10.1371/journal.pcbi.1005238

BibTex

@article{Bastien2016Kinem-37806,
  year={2016},
  doi={10.1371/journal.pcbi.1005238},
  title={The Kinematics of Plant Nutation Reveals a Simple Relation between Curvature and the Orientation of Differential Growth},
  number={12},
  volume={12},
  issn={1553-734X},
  journal={PLOS Computational Biology},
  author={Bastien, Renaud and Meroz, Yasmine},
  note={Article Number: e1005238}
}

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