Underground allies: how and why do mycelial networks help plants defend themselves?: What are the fitness, regulatory, and practical implications of defence-related signaling between plants via common mycelial networks?
Identifieur interne : 001A75 ( Main/Corpus ); précédent : 001A74; suivant : 001A76Underground allies: how and why do mycelial networks help plants defend themselves?: What are the fitness, regulatory, and practical implications of defence-related signaling between plants via common mycelial networks?
Auteurs : Zdenka Babikova ; David Johnson ; Toby Bruce ; John Pickett ; Lucy GilbertSource :
- BioEssays : news and reviews in molecular, cellular and developmental biology [ 1521-1878 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- microbiology : Plants.
- physiology : Fungi, Mycelium, Mycorrhizae, Signal Transduction.
Abstract
Most land plants associate with mycorrhizal fungi that can connect roots of neighboring plants in common mycelial networks (CMNs). Recent evidence shows that CMNs transfer warning signals of pathogen and aphid attack between plants. However, we do not know how defence-related signaling via CMNs operates or how ubiquitous it is. Nor do we know what the ecological relevance and fitness consequences are, particularly from the perspective of the mycorrhizal fungus. Here, we focus on the potential fitness benefits for mycorrhizal fungi and outline hypothetical scenarios in which signal transfer via CMNs is modulated in order to acquire the most benefit for the fungus (i.e. acquisition of carbon) for minimal cost. We speculate that the signal may be quantitative and may elicit plant defence responses on different levels depending on the distance the signal is transferred. Finally, we discuss the possibility of practical applications of this phenomenon for crop protection.
DOI: 10.1002/bies.201300092
PubMed: 24129903
Links to Exploration step
pubmed:24129903Le document en format XML
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Recent evidence shows that CMNs transfer warning signals of pathogen and aphid attack between plants. However, we do not know how defence-related signaling via CMNs operates or how ubiquitous it is. Nor do we know what the ecological relevance and fitness consequences are, particularly from the perspective of the mycorrhizal fungus. Here, we focus on the potential fitness benefits for mycorrhizal fungi and outline hypothetical scenarios in which signal transfer via CMNs is modulated in order to acquire the most benefit for the fungus (i.e. acquisition of carbon) for minimal cost. We speculate that the signal may be quantitative and may elicit plant defence responses on different levels depending on the distance the signal is transferred. Finally, we discuss the possibility of practical applications of this phenomenon for crop protection. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24129903</PMID><DateCompleted><Year>2014</Year><Month>05</Month><Day>16</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>10</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1521-1878</ISSN><JournalIssue CitedMedium="Internet"><Volume>36</Volume><Issue>1</Issue><PubDate><Year>2014</Year><Month>Jan</Month></PubDate></JournalIssue><Title>BioEssays : news and reviews in molecular, cellular and developmental biology</Title><ISOAbbreviation>Bioessays</ISOAbbreviation></Journal><ArticleTitle>Underground allies: how and why do mycelial networks help plants defend themselves?: What are the fitness, regulatory, and practical implications of defence-related signaling between plants via common mycelial networks?</ArticleTitle><Pagination><MedlinePgn>21-6</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/bies.201300092</ELocationID><Abstract><AbstractText>Most land plants associate with mycorrhizal fungi that can connect roots of neighboring plants in common mycelial networks (CMNs). Recent evidence shows that CMNs transfer warning signals of pathogen and aphid attack between plants. However, we do not know how defence-related signaling via CMNs operates or how ubiquitous it is. Nor do we know what the ecological relevance and fitness consequences are, particularly from the perspective of the mycorrhizal fungus. Here, we focus on the potential fitness benefits for mycorrhizal fungi and outline hypothetical scenarios in which signal transfer via CMNs is modulated in order to acquire the most benefit for the fungus (i.e. acquisition of carbon) for minimal cost. We speculate that the signal may be quantitative and may elicit plant defence responses on different levels depending on the distance the signal is transferred. 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