Host identity is a dominant driver of mycorrhizal fungal community composition during ecosystem development

© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.

Détails bibliographiques
Publié dans:The New phytologist. - 1990. - 205(2015), 4 vom: 16. März, Seite 1565-1576
Auteur principal: Martínez-García, Laura B (Auteur)
Autres auteurs: Richardson, Sarah J, Tylianakis, Jason M, Peltzer, Duane A, Dickie, Ian A
Format: Article en ligne
Langue:English
Publié: 2015
Accès à la collection:The New phytologist
Sujets:Journal Article Research Support, Non-U.S. Gov't arbuscular mycorrhizal fungal succession ecosystem progression ecosystem retrogression long-term chronosequence pyrosequencing soil nutrient gradients terminal restriction fragment length polymorphism (T-RFLP)
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500 |a Citation Status MEDLINE 
520 |a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust. 
520 |a Little is known about the response of arbuscular mycorrhizal fungal communities to ecosystem development. We use a long-term soil chronosequence that includes ecosystem progression and retrogression to quantify the importance of host plant identity as a factor driving fungal community composition during ecosystem development. We identified arbuscular mycorrhizal fungi and plant species from 50 individual roots from each of 10 sites spanning 5-120 000 yr of ecosystem age using terminal restriction fragment length polymorphism (T-RFLP), Sanger sequencing and pyrosequencing. Arbuscular mycorrhizal fungal communities were highly structured by ecosystem age. There was strong niche differentiation, with different groups of operational taxonomic units (OTUs) being characteristic of early succession, ecosystem progression and ecosystem retrogression. Fungal alpha diversity decreased with ecosystem age, whereas beta diversity was high at early stages and lower in subsequent stages. A total of 39% of the variance in fungal communities was explained by host plant and site age, 29% of which was attributed to host and the interaction between host and site (24% and 5%, respectively). The strong response of arbuscular mycorrhizal fungi to ecosystem development appears to be largely driven by plant host identity, supporting the concept that plant and fungal communities are tightly coupled rather than independently responding to habitat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a arbuscular mycorrhizal fungal succession 
650 4 |a ecosystem progression 
650 4 |a ecosystem retrogression 
650 4 |a long-term chronosequence 
650 4 |a pyrosequencing 
650 4 |a soil nutrient gradients 
650 4 |a terminal restriction fragment length polymorphism (T-RFLP) 
700 1 |a Richardson, Sarah J  |e verfasserin  |4 aut 
700 1 |a Tylianakis, Jason M  |e verfasserin  |4 aut 
700 1 |a Peltzer, Duane A  |e verfasserin  |4 aut 
700 1 |a Dickie, Ian A  |e verfasserin  |4 aut 
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