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Morphomechanical Innovation Drives Explosive Seed Dispersal
How mechanical and biological processes are coordinated across cells, tissues, and organs to produce complex traits is a key question in biology. Cardamine hirsuta, a relative of Arabidopsis thaliana, uses an explosive mechanism to disperse its seeds. We show that this trait evolved through morphome...
Autores principales: | , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Cell Press
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4930488/ https://www.ncbi.nlm.nih.gov/pubmed/27264605 http://dx.doi.org/10.1016/j.cell.2016.05.002 |
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author | Hofhuis, Hugo Moulton, Derek Lessinnes, Thomas Routier-Kierzkowska, Anne-Lise Bomphrey, Richard J. Mosca, Gabriella Reinhardt, Hagen Sarchet, Penny Gan, Xiangchao Tsiantis, Miltos Ventikos, Yiannis Walker, Simon Goriely, Alain Smith, Richard Hay, Angela |
author_facet | Hofhuis, Hugo Moulton, Derek Lessinnes, Thomas Routier-Kierzkowska, Anne-Lise Bomphrey, Richard J. Mosca, Gabriella Reinhardt, Hagen Sarchet, Penny Gan, Xiangchao Tsiantis, Miltos Ventikos, Yiannis Walker, Simon Goriely, Alain Smith, Richard Hay, Angela |
author_sort | Hofhuis, Hugo |
collection | PubMed |
description | How mechanical and biological processes are coordinated across cells, tissues, and organs to produce complex traits is a key question in biology. Cardamine hirsuta, a relative of Arabidopsis thaliana, uses an explosive mechanism to disperse its seeds. We show that this trait evolved through morphomechanical innovations at different spatial scales. At the organ scale, tension within the fruit wall generates the elastic energy required for explosion. This tension is produced by differential contraction of fruit wall tissues through an active mechanism involving turgor pressure, cell geometry, and wall properties of the epidermis. Explosive release of this tension is controlled at the cellular scale by asymmetric lignin deposition within endocarp b cells—a striking pattern that is strictly associated with explosive pod shatter across the Brassicaceae plant family. By bridging these different scales, we present an integrated mechanism for explosive seed dispersal that links evolutionary novelty with complex trait innovation. VIDEO ABSTRACT: |
format | Online Article Text |
id | pubmed-4930488 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2016 |
publisher | Cell Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-49304882016-07-12 Morphomechanical Innovation Drives Explosive Seed Dispersal Hofhuis, Hugo Moulton, Derek Lessinnes, Thomas Routier-Kierzkowska, Anne-Lise Bomphrey, Richard J. Mosca, Gabriella Reinhardt, Hagen Sarchet, Penny Gan, Xiangchao Tsiantis, Miltos Ventikos, Yiannis Walker, Simon Goriely, Alain Smith, Richard Hay, Angela Cell Article How mechanical and biological processes are coordinated across cells, tissues, and organs to produce complex traits is a key question in biology. Cardamine hirsuta, a relative of Arabidopsis thaliana, uses an explosive mechanism to disperse its seeds. We show that this trait evolved through morphomechanical innovations at different spatial scales. At the organ scale, tension within the fruit wall generates the elastic energy required for explosion. This tension is produced by differential contraction of fruit wall tissues through an active mechanism involving turgor pressure, cell geometry, and wall properties of the epidermis. Explosive release of this tension is controlled at the cellular scale by asymmetric lignin deposition within endocarp b cells—a striking pattern that is strictly associated with explosive pod shatter across the Brassicaceae plant family. By bridging these different scales, we present an integrated mechanism for explosive seed dispersal that links evolutionary novelty with complex trait innovation. VIDEO ABSTRACT: Cell Press 2016-06-30 /pmc/articles/PMC4930488/ /pubmed/27264605 http://dx.doi.org/10.1016/j.cell.2016.05.002 Text en © 2016 The Author(s) http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Hofhuis, Hugo Moulton, Derek Lessinnes, Thomas Routier-Kierzkowska, Anne-Lise Bomphrey, Richard J. Mosca, Gabriella Reinhardt, Hagen Sarchet, Penny Gan, Xiangchao Tsiantis, Miltos Ventikos, Yiannis Walker, Simon Goriely, Alain Smith, Richard Hay, Angela Morphomechanical Innovation Drives Explosive Seed Dispersal |
title | Morphomechanical Innovation Drives Explosive Seed Dispersal |
title_full | Morphomechanical Innovation Drives Explosive Seed Dispersal |
title_fullStr | Morphomechanical Innovation Drives Explosive Seed Dispersal |
title_full_unstemmed | Morphomechanical Innovation Drives Explosive Seed Dispersal |
title_short | Morphomechanical Innovation Drives Explosive Seed Dispersal |
title_sort | morphomechanical innovation drives explosive seed dispersal |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4930488/ https://www.ncbi.nlm.nih.gov/pubmed/27264605 http://dx.doi.org/10.1016/j.cell.2016.05.002 |
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