Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms.
Identifieur interne : 003295 ( Main/Corpus ); précédent : 003294; suivant : 003296Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms.
Auteurs : Kristina A. Stinson ; Stuart A. Campbell ; Jeff R. Powell ; Benjamin E. Wolfe ; Ragan M. Callaway ; Giles C. Thelen ; Steven G. Hallett ; Daniel Prati ; John N. KlironomosSource :
- PLoS biology [ 1545-7885 ] ; 2006.
English descriptors
- KwdEn :
- Brassicaceae (metabolism), Ecosystem (MeSH), Mycorrhizae (drug effects), Mycorrhizae (metabolism), Plant Extracts (pharmacology), Plant Roots (metabolism), Plant Roots (microbiology), Seedlings (drug effects), Seedlings (growth & development), Seedlings (microbiology), Soil Microbiology (MeSH), Symbiosis (MeSH), Trees (drug effects), Trees (growth & development), Trees (microbiology).
- MESH :
- chemical , pharmacology : Plant Extracts.
- drug effects : Mycorrhizae, Seedlings, Trees.
- growth & development : Seedlings, Trees.
- metabolism : Brassicaceae, Mycorrhizae, Plant Roots.
- microbiology : Plant Roots, Seedlings, Trees.
- Ecosystem, Soil Microbiology, Symbiosis.
Abstract
The impact of exotic species on native organisms is widely acknowledged, but poorly understood. Very few studies have empirically investigated how invading plants may alter delicate ecological interactions among resident species in the invaded range. We present novel evidence that antifungal phytochemistry of the invasive plant, Alliaria petiolata, a European invader of North American forests, suppresses native plant growth by disrupting mutualistic associations between native canopy tree seedlings and belowground arbuscular mycorrhizal fungi. Our results elucidate an indirect mechanism by which invasive plants can impact native flora, and may help explain how this plant successfully invades relatively undisturbed forest habitat.
DOI: 10.1371/journal.pbio.0040140
PubMed: 16623597
PubMed Central: PMC1440938
Links to Exploration step
pubmed:16623597Le document en format XML
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<author><name sortKey="Stinson, Kristina A" sort="Stinson, Kristina A" uniqKey="Stinson K" first="Kristina A" last="Stinson">Kristina A. Stinson</name>
<affiliation><nlm:affiliation>Harvard Forest, Harvard University, Petersham, Massachusetts, USA.</nlm:affiliation>
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<author><name sortKey="Campbell, Stuart A" sort="Campbell, Stuart A" uniqKey="Campbell S" first="Stuart A" last="Campbell">Stuart A. Campbell</name>
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<author><name sortKey="Powell, Jeff R" sort="Powell, Jeff R" uniqKey="Powell J" first="Jeff R" last="Powell">Jeff R. Powell</name>
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<author><name sortKey="Wolfe, Benjamin E" sort="Wolfe, Benjamin E" uniqKey="Wolfe B" first="Benjamin E" last="Wolfe">Benjamin E. Wolfe</name>
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<author><name sortKey="Callaway, Ragan M" sort="Callaway, Ragan M" uniqKey="Callaway R" first="Ragan M" last="Callaway">Ragan M. Callaway</name>
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<author><name sortKey="Thelen, Giles C" sort="Thelen, Giles C" uniqKey="Thelen G" first="Giles C" last="Thelen">Giles C. Thelen</name>
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<author><name sortKey="Hallett, Steven G" sort="Hallett, Steven G" uniqKey="Hallett S" first="Steven G" last="Hallett">Steven G. Hallett</name>
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<author><name sortKey="Prati, Daniel" sort="Prati, Daniel" uniqKey="Prati D" first="Daniel" last="Prati">Daniel Prati</name>
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<author><name sortKey="Klironomos, John N" sort="Klironomos, John N" uniqKey="Klironomos J" first="John N" last="Klironomos">John N. Klironomos</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms.</title>
<author><name sortKey="Stinson, Kristina A" sort="Stinson, Kristina A" uniqKey="Stinson K" first="Kristina A" last="Stinson">Kristina A. Stinson</name>
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<author><name sortKey="Powell, Jeff R" sort="Powell, Jeff R" uniqKey="Powell J" first="Jeff R" last="Powell">Jeff R. Powell</name>
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<author><name sortKey="Wolfe, Benjamin E" sort="Wolfe, Benjamin E" uniqKey="Wolfe B" first="Benjamin E" last="Wolfe">Benjamin E. Wolfe</name>
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<author><name sortKey="Callaway, Ragan M" sort="Callaway, Ragan M" uniqKey="Callaway R" first="Ragan M" last="Callaway">Ragan M. Callaway</name>
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<author><name sortKey="Thelen, Giles C" sort="Thelen, Giles C" uniqKey="Thelen G" first="Giles C" last="Thelen">Giles C. Thelen</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Brassicaceae (metabolism)</term>
<term>Ecosystem (MeSH)</term>
<term>Mycorrhizae (drug effects)</term>
<term>Mycorrhizae (metabolism)</term>
<term>Plant Extracts (pharmacology)</term>
<term>Plant Roots (metabolism)</term>
<term>Plant Roots (microbiology)</term>
<term>Seedlings (drug effects)</term>
<term>Seedlings (growth & development)</term>
<term>Seedlings (microbiology)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Symbiosis (MeSH)</term>
<term>Trees (drug effects)</term>
<term>Trees (growth & development)</term>
<term>Trees (microbiology)</term>
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<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Plant Extracts</term>
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<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Mycorrhizae</term>
<term>Seedlings</term>
<term>Trees</term>
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<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Seedlings</term>
<term>Trees</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Brassicaceae</term>
<term>Mycorrhizae</term>
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<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term>
<term>Seedlings</term>
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<front><div type="abstract" xml:lang="en">The impact of exotic species on native organisms is widely acknowledged, but poorly understood. Very few studies have empirically investigated how invading plants may alter delicate ecological interactions among resident species in the invaded range. We present novel evidence that antifungal phytochemistry of the invasive plant, Alliaria petiolata, a European invader of North American forests, suppresses native plant growth by disrupting mutualistic associations between native canopy tree seedlings and belowground arbuscular mycorrhizal fungi. Our results elucidate an indirect mechanism by which invasive plants can impact native flora, and may help explain how this plant successfully invades relatively undisturbed forest habitat.</div>
</front>
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