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Vortragsreihe Ökologie und Umweltforschung WS 2021/22

Donnerstag 12:00-13:30 H6, Geo


Vincent Merckx
Research Group Leader Understanding Evolution, Naturalis Biodiversity Center, Leiden, Netherlands (Homepage)
Donnerstag, 21.10.2021 12:00-13:30 :

Mycoheterotrophy: an uncharted carbon flux in the plant world

Plants need sunlight, water, and soil nutrients to grow. A part of the carbon produced by photosynthesis in the foliage is transferred to root-associated ‘mycorrhizal’ fungi, which help plants to take up nutrients and water from the soil. This carbon can be subsequently taken up by non-green plants that tap into the same fungal network: fully mycoheterotrophic plants. Although fully mycoheterotrophic plants represent only a tiny fraction of plant diversity, they demonstrate that carbon uptake from mycorrhizal fungi is a successful plant strategy to thrive in low light conditions. Indeed, some relatives of fully mycoheterotrophic plants are partially mycoheterotrophic: they can combine autotrophy and mycoheterotrophy when light or seed reserves are insufficient for growth. We currently assume that that up to 9% of all plant species are capable of some form of mycoheterotrophy (mostly orchids). However, based on recent isotopic evidence a new form of partial mycoheterotrophy has been discovered, which advances the hypothesis that an additional 35% of land species are capable of mycoheterotrophy and can survive in low-light habitats by receiving carbon from root-associated arbuscular mycorrhizal fungi.

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Vincent Merckx was selected as Senior Fellow of the Bayreuth Humboldt Centre 2020 with the project "Carbon transfer in arbuscular mycorrhizal networks" and is hosted by BayCEER members Gerhard Gebauer and Johanna Pausch.



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DatumVortragenderTitel

21.10.2021
Vincent Merckx
Research Group Leader Understanding Evolution, Naturalis Biodiversity Center, Leiden, Netherlands
Mycoheterotrophy: an uncharted carbon flux in the plant world [Abstract]

28.10.2021
Prof. Dr. Daniel Veres
Emil Racovita Institute of Speleology, Romanian Academy, Cluj-Napoca, Romania
High levels of lead pollution in the Balkans from the Early Bronze Age to the Industrial Revolution [Abstract]

04.11.2021
Dr. Magdalena Mair
Statistische Ökotoxikologie
- folgt -

18.11.2021
Dr. Shravan Kumar Muppa
Micrometeorology
- folgt -

25.11.2021
NN
- folgt -

02.12.2021
Prof. Aaron Thompson
Department of Crop and Soil Sciences, The University of Georgia
- folgt - [Abstract]

09.12.2021
Prof. Dr. Nadia Soudzilovskaia
Associate Professor, Universiteit Leiden & Professor Ecosystem Functioning Hasselt, University Belgium
- folgt - [Abstract]

13.01.2022
NN
- folgt -

20.01.2022
NN
- folgt -

27.01.2022

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