AustralieFrV1, Main, Exploration, bibRecord, 001800

Revealing catastrophic failure of leaf networks under stress

Identifieur interne : 001800 ( Main/Exploration ); précédent : 001799; suivant : 001801

Revealing catastrophic failure of leaf networks under stress

Auteurs : Timothy J. Brodribb [Australie] ; Diane Bienaimé [France] ; Philippe Marmottant [Australie, France]

Source :

Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2016.

RBID : PMC:4855591

Descripteurs français

KwdFr :
- Air, Angiospermes (physiologie), Eau (métabolisme), Faisceau vasculaire des plantes (physiologie), Feuilles de plante (physiologie), Fougères (physiologie), Microfluidique, Spécificité d'espèce, Stress physiologique (physiologie), Sécheresses, Transpiration des plantes.
MESH :
- métabolisme : Eau.
- physiologie : Angiospermes, Faisceau vasculaire des plantes, Feuilles de plante, Fougères, Stress physiologique.
- Air, Microfluidique, Spécificité d'espèce, Sécheresses, Transpiration des plantes.

English descriptors

KwdEn :
- Air, Angiosperms (physiology), Droughts, Ferns (physiology), Microfluidics, Plant Leaves (physiology), Plant Transpiration, Plant Vascular Bundle (physiology), Species Specificity, Stress, Physiological (physiology), Water (metabolism).
MESH :
- chemical , metabolism : Water.
- physiology : Angiosperms, Ferns, Plant Leaves, Plant Vascular Bundle, Stress, Physiological.
- Air, Droughts, Microfluidics, Plant Transpiration, Species Specificity.

Abstract

Significance

Water sustains photosynthesis and growth of land plants, but it must be transported from the soil to leaves under high tension. Drying soil leads to an increase in water tension, exposing plants to the problem of breakage of the water column, causing embolisms that cut off water supply, leading to tissue death during drought. The ability of leaves to resist embolism formation is a key adaptive axis in plant evolution, and yet the process itself has never been visualized in the leaf venation. We describe a new optical method that allows the evolution and spread of embolism in the entire leaf network to be mapped, thus revealing general rules in the sequence of leaf vein transport failure.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4855591

DOI: 10.1073/pnas.1522569113
PubMed: 27071104
PubMed Central: 4855591

Affiliations:

Australie, France

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Serveur d'exploration sur les relations entre la France et l'Australie

Revealing catastrophic failure of leaf networks under stress

Revealing catastrophic failure of leaf networks under stress

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur les relations entre la France et l'Australie
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