Evolutionary asymmetry in the arbuscular mycorrhizal symbiosis : conservatism in fungal morphology does not predict host plant growth

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 214(2017), 3 vom: 12. Mai, Seite 1330-1337
1. Verfasser: Koch, Alexander M (VerfasserIn)
Weitere Verfasser: Antunes, Pedro M, Maherali, Hafiz, Hart, Miranda M, Klironomos, John N
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article arbuscular mycorrhiza (AM) asymmetry coevolution mutualism parasitism phylogenetic conservatism symbiosis
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520 |a Although arbuscular mycorrhizal (AM) fungi are obligate symbionts that can influence plant growth, the magnitude and direction of these effects are highly variable within fungal genera and even among isolates within species, as well as among plant taxa. To determine whether variability in AM fungal morphology and growth is correlated with AM fungal effects on plant growth, we established a common garden experiment with 56 AM fungal isolates comprising 17 genera and six families growing with three plant host species. Arbuscular mycorrhizal fungal morphology and growth was highly conserved among isolates of the same species and among species within a family. By contrast, plant growth response to fungal inoculation was highly variable, with the majority of variation occurring among different isolates of the same AM fungal species. Our findings show that host performance cannot be predicted from AM fungal morphology and growth traits. Divergent effects on plant growth among isolates within an AM fungal species may be caused by coevolution between co-occurring fungal and plant populations 
650 4 |a Journal Article 
650 4 |a arbuscular mycorrhiza (AM) 
650 4 |a asymmetry 
650 4 |a coevolution 
650 4 |a mutualism 
650 4 |a parasitism 
650 4 |a phylogenetic conservatism 
650 4 |a symbiosis 
700 1 |a Antunes, Pedro M  |e verfasserin  |4 aut 
700 1 |a Maherali, Hafiz  |e verfasserin  |4 aut 
700 1 |a Hart, Miranda M  |e verfasserin  |4 aut 
700 1 |a Klironomos, John N  |e verfasserin  |4 aut 
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