Meta-analysis of the role of entomopathogenic and unspecialized fungal endophytes as plant bodyguards

© 2019 The Authors. New Phytologist © 2019 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 223(2019), 4 vom: 18. Sept., Seite 2002-2010
1. Verfasser: Gange, Alan C (VerfasserIn)
Weitere Verfasser: Koricheva, Julia, Currie, Amanda F, Jaber, Lara R, Vidal, Stefan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Meta-Analysis Research Support, Non-U.S. Gov't defence effect size entomopathogen inoculation insect herbivore seeds systemic growth
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520 |a Herbaceous plants harbour species-rich communities of asymptomatic endophytic fungi. Although some of these endophytes are entomopathogenic, many are not, and remarkably little is known about how the presence of these fungi in plant tissues affects phytophagous insects. Here we show through a meta-analysis that both entomopathogenic and nonentomopathogenic endophytes have a negative effect on insect herbivores. Growth and performance of polyphagous and sucking insects are reduced by nonentomopathogenic endophytes, but monophages are unaffected, likely because the latter are better adapted to secondary metabolites produced or induced by the fungi. Furthermore, studies using excised leaves report weaker effects than those with intact plants, likely caused by chemical changes being masked by leaf excision. Most surprisingly, endophyte infection of seeds produces the greatest effect on insect herbivores in subsequent mature plants, even though the usual mode of fungal transmission is infection of leaves by airborne spores. We conclude that these ubiquitous hidden fungi may be important bodyguards of plants. However, in order to fully understand their roles in plant protection, we must be aware that minor differences in experimental design can lead to contradictory results 
650 4 |a Journal Article 
650 4 |a Meta-Analysis 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a defence 
650 4 |a effect size 
650 4 |a entomopathogen 
650 4 |a inoculation 
650 4 |a insect herbivore 
650 4 |a seeds 
650 4 |a systemic growth 
700 1 |a Koricheva, Julia  |e verfasserin  |4 aut 
700 1 |a Currie, Amanda F  |e verfasserin  |4 aut 
700 1 |a Jaber, Lara R  |e verfasserin  |4 aut 
700 1 |a Vidal, Stefan  |e verfasserin  |4 aut 
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