Reprogramming plant cells for endosymbiosis.
Identifieur interne : 002969 ( Main/Corpus ); précédent : 002968; suivant : 002970Reprogramming plant cells for endosymbiosis.
Auteurs : Giles E D. Oldroyd ; Maria J. Harrison ; Uta PaszkowskiSource :
- Science (New York, N.Y.) [ 1095-9203 ] ; 2009.
English descriptors
- KwdEn :
- Bacterial Physiological Phenomena (MeSH), Gene Expression Regulation, Plant (MeSH), Lipopolysaccharides (metabolism), Mycorrhizae (growth & development), Mycorrhizae (physiology), Nitrogen Fixation (MeSH), Plant Proteins (metabolism), Plant Root Nodulation (MeSH), Plant Roots (metabolism), Plants (genetics), Plants (metabolism), Plants (microbiology), Rhizobiaceae (physiology), Root Nodules, Plant (microbiology), Signal Transduction (MeSH), Symbiosis (MeSH), Transcription Factors (metabolism).
- MESH :
- chemical , metabolism : Lipopolysaccharides, Plant Proteins, Transcription Factors.
- genetics : Plants.
- growth & development : Mycorrhizae.
- metabolism : Plant Roots, Plants.
- microbiology : Plants, Root Nodules, Plant.
- physiology : Mycorrhizae, Rhizobiaceae.
- Bacterial Physiological Phenomena, Gene Expression Regulation, Plant, Nitrogen Fixation, Plant Root Nodulation, Signal Transduction, Symbiosis.
Abstract
The establishment of arbuscular mycorrhizal (AM) symbioses, formed by most flowering plants in association with glomeromycotan fungi, and the root-nodule (RN) symbiosis, formed by legume plants and rhizobial bacteria, requires an ongoing molecular dialogue that underpins the reprogramming of root cells for compatibility. In both endosymbioses, there are distinct phases to the interaction, including a presymbiotic anticipation phase and, subsequently, an intraradical accommodation of the microsymbiont. Maintenance of the endosymbiosis then depends on reciprocal nutrient exchange with the microsymbiont-obtaining plant photosynthates in exchange for mineral nutrients: enhanced phosphate and nitrogen uptake from AM fungi and fixed nitrogen from rhizobia. Despite the taxonomically distinct groups of symbionts, commonalities are observed in the signaling components and the modulation of host cell responses in both AM and RN symbioses, reflecting common mechanisms for plant cell reprogramming during endosymbiosis.
DOI: 10.1126/science.1171644
PubMed: 19423817
Links to Exploration step
pubmed:19423817Le document en format XML
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<author><name sortKey="Oldroyd, Giles E D" sort="Oldroyd, Giles E D" uniqKey="Oldroyd G" first="Giles E D" last="Oldroyd">Giles E D. Oldroyd</name>
<affiliation><nlm:affiliation>Department of Disease and Stress Biology, John Innes Centre, Norwich NR4 7UH, UK.</nlm:affiliation>
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<author><name sortKey="Harrison, Maria J" sort="Harrison, Maria J" uniqKey="Harrison M" first="Maria J" last="Harrison">Maria J. Harrison</name>
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<author><name sortKey="Paszkowski, Uta" sort="Paszkowski, Uta" uniqKey="Paszkowski U" first="Uta" last="Paszkowski">Uta Paszkowski</name>
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<author><name sortKey="Oldroyd, Giles E D" sort="Oldroyd, Giles E D" uniqKey="Oldroyd G" first="Giles E D" last="Oldroyd">Giles E D. Oldroyd</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bacterial Physiological Phenomena (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Lipopolysaccharides (metabolism)</term>
<term>Mycorrhizae (growth & development)</term>
<term>Mycorrhizae (physiology)</term>
<term>Nitrogen Fixation (MeSH)</term>
<term>Plant Proteins (metabolism)</term>
<term>Plant Root Nodulation (MeSH)</term>
<term>Plant Roots (metabolism)</term>
<term>Plants (genetics)</term>
<term>Plants (metabolism)</term>
<term>Plants (microbiology)</term>
<term>Rhizobiaceae (physiology)</term>
<term>Root Nodules, Plant (microbiology)</term>
<term>Signal Transduction (MeSH)</term>
<term>Symbiosis (MeSH)</term>
<term>Transcription Factors (metabolism)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Lipopolysaccharides</term>
<term>Plant Proteins</term>
<term>Transcription Factors</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Plants</term>
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<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Roots</term>
<term>Plants</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plants</term>
<term>Root Nodules, Plant</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term>
<term>Rhizobiaceae</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Bacterial Physiological Phenomena</term>
<term>Gene Expression Regulation, Plant</term>
<term>Nitrogen Fixation</term>
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<front><div type="abstract" xml:lang="en">The establishment of arbuscular mycorrhizal (AM) symbioses, formed by most flowering plants in association with glomeromycotan fungi, and the root-nodule (RN) symbiosis, formed by legume plants and rhizobial bacteria, requires an ongoing molecular dialogue that underpins the reprogramming of root cells for compatibility. In both endosymbioses, there are distinct phases to the interaction, including a presymbiotic anticipation phase and, subsequently, an intraradical accommodation of the microsymbiont. Maintenance of the endosymbiosis then depends on reciprocal nutrient exchange with the microsymbiont-obtaining plant photosynthates in exchange for mineral nutrients: enhanced phosphate and nitrogen uptake from AM fungi and fixed nitrogen from rhizobia. Despite the taxonomically distinct groups of symbionts, commonalities are observed in the signaling components and the modulation of host cell responses in both AM and RN symbioses, reflecting common mechanisms for plant cell reprogramming during endosymbiosis.</div>
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<Abstract><AbstractText>The establishment of arbuscular mycorrhizal (AM) symbioses, formed by most flowering plants in association with glomeromycotan fungi, and the root-nodule (RN) symbiosis, formed by legume plants and rhizobial bacteria, requires an ongoing molecular dialogue that underpins the reprogramming of root cells for compatibility. In both endosymbioses, there are distinct phases to the interaction, including a presymbiotic anticipation phase and, subsequently, an intraradical accommodation of the microsymbiont. Maintenance of the endosymbiosis then depends on reciprocal nutrient exchange with the microsymbiont-obtaining plant photosynthates in exchange for mineral nutrients: enhanced phosphate and nitrogen uptake from AM fungi and fixed nitrogen from rhizobia. Despite the taxonomically distinct groups of symbionts, commonalities are observed in the signaling components and the modulation of host cell responses in both AM and RN symbioses, reflecting common mechanisms for plant cell reprogramming during endosymbiosis.</AbstractText>
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