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Molecular basis of carnivory Excitability, movement, and endocrinology of plant traps

Objetivo

Predation plays a major role in energy and nutrient flow in the biological food chain. Carnivory is best known from the animal kingdom, but the plant kingdom has flesh eaters as well. This field has attracted much interest since Darwin s time, but many fundamental properties of the carnivorous life style remain largely unexplored. This project will close this gap by a multidisciplinary approach based on state-of-art bioinformatics, molecular biology, chemistry and biophysics. It will focus on 1. Genome/Transcriptome Profiling to study the genetic make-up of carnivorous plants (CPs) and the evolution of carnivory 2. Origin of Excitability to investigate whether CPs gained the inventory to fire action potentials from captured animals or rather evolved excitability independently 3. Prey Recognition on the basis of mechanical- and chemical senses 4. Endocrinology Structure and function of exocrine glands - CPs offer a unique system to study the biology of digestive glands (exo-/endocytosis) in plants. Over 600 plant species use special structures to capture animals such as insects. The genome/transcriptome of major trap types such as snap traps, tentacles traps, suction traps, corkscrew traps, and pitfall traps will be compared and trap-specific genes identified. Among them those giving rise to membrane excitation, excitation-contraction coupling and exocrine systems (glands) will be functionally characterized in detail. Using loss-of-function mutants and transformed plants with respect to CP-specific the role of CP-specific in electrical signalling, excitation contraction coupling, and excretion will be unravelled. The evolution of electrical activity and carnivory of plants is worth being examined not only for its importance in general, but also as a model for understanding the evolution of the human nervous and endocrine system.

Convocatoria de propuestas

ERC-2009-AdG
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Régimen de financiación

ERC-AG - ERC Advanced Grant

Institución de acogida

JULIUS-MAXIMILIANS-UNIVERSITAT WURZBURG
Aportación de la UE
€ 2 481 057,00
Dirección
SANDERRING 2
97070 Wuerzburg
Alemania

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Región
Bayern Unterfranken Würzburg, Kreisfreie Stadt
Tipo de actividad
Higher or Secondary Education Establishments
Contacto administrativo
Christian Gloggengiesser (Mr.)
Investigador principal
Rainer Franz Hedrich (Prof.)
Enlaces
Coste total
Sin datos

Beneficiarios (1)