MycorrhizaeV1, Main, Exploration, bibRecord, 002A04

Green plants that feed on fungi: facts and questions about mixotrophy.

Identifieur interne : 002A04 ( Main/Exploration ); précédent : 002A03; suivant : 002A05

Green plants that feed on fungi: facts and questions about mixotrophy.

Auteurs : Marc-André Selosse [France] ; Mélanie Roy

Source :

Trends in plant science [ 1360-1385 ] ; 2009.

RBID : pubmed:19162524

Descripteurs français

KwdFr :
- Carbone (métabolisme), Ericaceae (physiologie), Mycorhizes (physiologie), Orchidaceae (génétique), Orchidaceae (physiologie), Photosynthèse (MeSH), Symbiose (MeSH), Évolution biologique (MeSH).
MESH :
- génétique : Orchidaceae.
- métabolisme : Carbone.
- physiologie : Ericaceae, Mycorhizes, Orchidaceae.
- Photosynthèse, Symbiose, Évolution biologique.

English descriptors

KwdEn :
- Biological Evolution (MeSH), Carbon (metabolism), Ericaceae (physiology), Mycorrhizae (physiology), Orchidaceae (genetics), Orchidaceae (physiology), Photosynthesis (MeSH), Symbiosis (MeSH).
MESH :
- chemical , metabolism : Carbon.
- genetics : Orchidaceae.
- physiology : Ericaceae, Mycorrhizae, Orchidaceae.
- Biological Evolution, Photosynthesis, Symbiosis.

Abstract

Several green, photosynthetic plants in orchids and Ericaceae were recently found to recover carbon from the mycorrhizal fungi associated with their roots, a dual nutritional capability called mixotrophy. The physiological and cellular processes allowing carbon gain from the fungus are not well understood. We believe that this phenomenon is overlooked and propose several land plant families and ecosystems that should be investigated for possible mixotrophy. We speculate that mixotrophy allowed, in some lineages, the evolution of heterotrophic plants, that is, non-photosynthetic plants that obtain their carbon from organic compounds. Moreover, the amount of carbon gained from the fungus varies from one site to another in mixotrophs. Drawing a parallel with mixotrophy in planktonic algae, we propose some hypotheses that could account for this.

DOI: 10.1016/j.tplants.2008.11.004
PubMed: 19162524

Affiliations:

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biological Evolution (MeSH)</term>
<term>Carbon (metabolism)</term>
<term>Ericaceae (physiology)</term>
<term>Mycorrhizae (physiology)</term>
<term>Orchidaceae (genetics)</term>
<term>Orchidaceae (physiology)</term>
<term>Photosynthesis (MeSH)</term>
<term>Symbiosis (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Carbone (métabolisme)</term>
<term>Ericaceae (physiologie)</term>
<term>Mycorhizes (physiologie)</term>
<term>Orchidaceae (génétique)</term>
<term>Orchidaceae (physiologie)</term>
<term>Photosynthèse (MeSH)</term>
<term>Symbiose (MeSH)</term>
<term>Évolution biologique (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Orchidaceae</term>
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<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Orchidaceae</term>
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<term>Orchidaceae</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ericaceae</term>
<term>Mycorrhizae</term>
<term>Orchidaceae</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biological Evolution</term>
<term>Photosynthesis</term>
<term>Symbiosis</term>
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<front><div type="abstract" xml:lang="en">Several green, photosynthetic plants in orchids and Ericaceae were recently found to recover carbon from the mycorrhizal fungi associated with their roots, a dual nutritional capability called mixotrophy. The physiological and cellular processes allowing carbon gain from the fungus are not well understood. We believe that this phenomenon is overlooked and propose several land plant families and ecosystems that should be investigated for possible mixotrophy. We speculate that mixotrophy allowed, in some lineages, the evolution of heterotrophic plants, that is, non-photosynthetic plants that obtain their carbon from organic compounds. Moreover, the amount of carbon gained from the fungus varies from one site to another in mixotrophs. Drawing a parallel with mixotrophy in planktonic algae, we propose some hypotheses that could account for this.</div>
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<ArticleTitle>Green plants that feed on fungi: facts and questions about mixotrophy.</ArticleTitle>
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<Abstract><AbstractText>Several green, photosynthetic plants in orchids and Ericaceae were recently found to recover carbon from the mycorrhizal fungi associated with their roots, a dual nutritional capability called mixotrophy. The physiological and cellular processes allowing carbon gain from the fungus are not well understood. We believe that this phenomenon is overlooked and propose several land plant families and ecosystems that should be investigated for possible mixotrophy. We speculate that mixotrophy allowed, in some lineages, the evolution of heterotrophic plants, that is, non-photosynthetic plants that obtain their carbon from organic compounds. Moreover, the amount of carbon gained from the fungus varies from one site to another in mixotrophs. Drawing a parallel with mixotrophy in planktonic algae, we propose some hypotheses that could account for this.</AbstractText>
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Green plants that feed on fungi: facts and questions about mixotrophy.

Green plants that feed on fungi: facts and questions about mixotrophy.

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