Towards an Integrated Mycorrhizal Technology: Harnessing Mycorrhiza for Sustainable Intensification in Agriculture

Rillig, Matthias C.; Sosa‐Hernández, Moisés A.; Roy, Julien; Aguilar‐Trigueros, Carlos A.; Vályi, Kriszta; Lehmann, Anika

doi:10.3389/fpls.2016.01625

Cited by 107 publications

(65 citation statements)

References 38 publications

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“…We suggest that assessing beta diversity patterns at varying OTU phylogenetic resolutions offers a deeper understanding of the ecology and evolution of fungi. Identifying ecological variation among taxa of AM fungi at different phylogenetic depths will ultimately help define functional groups and serve as a guide for the engineering of AM fungal communities (Rillig et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

The relative importance of ecological drivers of arbuscular mycorrhizal fungal distribution varies with taxon phylogenetic resolution

et al. 2019

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Summary The phylogenetic depth at which arbuscular mycorrhizal (AM) fungi harbor a coherent ecological niche is unknown, which has consequences for operational taxonomic unit (OTU) delineation from sequence data and the study of their biogeography. We tested how changes in AM fungi community composition across habitats (beta diversity) vary with OTU phylogenetic resolution. We inferred exact sequence variants (ESVs) to resolve phylotypes at resolutions finer than provided by traditional sequence clustering and analyzed beta diversity profiles up to order‐level sequence clusters. At the ESV level, we detected the environmental predictors revealed with traditional OTUs or at higher genetic distances. However, the correlation between environmental predictors and community turnover steeply increased at a genetic distance of c. 0.03 substitutions per site. Furthermore, we observed a turnover of either closely or distantly related taxa (respectively at or above 0.03 substitutions per site) along different environmental gradients. This study suggests that different axes of AM fungal ecological niche are conserved at different phylogenetic depths. Delineating AM fungal phylotypes using DNA sequences should screen different phylogenetic resolutions to better elucidate the factors that shape communities and predict the fate of AM symbioses in a changing environment.

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Section: Resultsmentioning

confidence: 99%

The relative importance of ecological drivers of arbuscular mycorrhizal fungal distribution varies with taxon phylogenetic resolution

et al. 2019

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“…We propose that, even if there is little evidence that AM fungi contribute to the yield of certain crops, it would still be worth implementing management practices favoring AM fungi because of AM fungal contributions to many other ecosystem functions (Powell & Rillig, ). Such functions, potentially relevant also in the field, include soil aggregation (Rillig et al ., ) and reduced nutrient losses (Cavagnaro et al ., ). Furthermore, AM fungi have also been shown to enhance the temporal stability of plant community productivity in grasslands (Yang et al ., ), indicating the potential role in yield stability when faced with a changing environment.…”

Section: Am Fungi Are Not Just Important For Yield But Also For Systmentioning

confidence: 97%

Why farmers should manage the arbuscular mycorrhizal symbiosis

et al. 2019

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“…microplastics (Rillig et al ., ), or multiple, interacting synthetic organic pollutants (Bernhardt et al ., ). A knowledge‐based, large‐scale precision management of AM fungal communities in agroecosystems would also create novel assemblages and possibly combinations of functions (Rillig et al ., ). One could frame these research questions collectively as the study of mycorrhizal ecology in the anthropocene.…”

Section: Past Novel and Future Ecosystemsmentioning

confidence: 97%

Biodiversity of arbuscular mycorrhizal fungi and ecosystem function

2018

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Contents Summary1059I.Introduction: pathways of influence and pervasiveness of effects1060II.AM fungal richness effects on ecosystem functions1062III.Other dimensions of biodiversity1062IV.Back to basics – primary axes of niche differentiation by AM fungi1066V.Functional diversity of AM fungi – a role for biological stoichiometry?1067VI.Past, novel and future ecosystems1068VII.Opportunities and the way forward1071Acknowledgements1072References1072 Summary Arbuscular mycorrhizal (AM) fungi play important functional roles in ecosystems, including the uptake and transfer of nutrients, modification of the physical soil environment and alteration of plant interactions with other biota. Several studies have demonstrated the potential for variation in AM fungal diversity to also affect ecosystem functioning, mainly via effects on primary productivity. Diversity in these studies is usually characterized in terms of the number of species, unique evolutionary lineages or complementary mycorrhizal traits, as well as the ability of plants to discriminate among AM fungi in space and time. However, the emergent outcomes of these relationships are usually indirect, and thus context dependent, and difficult to predict with certainty. Here, we advocate a fungal‐centric view of AM fungal biodiversity–ecosystem function relationships that focuses on the direct and specific links between AM fungal fitness and consequences for their roles in ecosystems, especially highlighting functional diversity in hyphal resource economics. We conclude by arguing that an understanding of AM fungal functional diversity is fundamental to determine whether AM fungi have a role in the exploitation of marginal/novel environments (whether past, present or future) and highlight avenues for future research.

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Towards an Integrated Mycorrhizal Technology: Harnessing Mycorrhiza for Sustainable Intensification in Agriculture

Cited by 107 publications

References 38 publications

The relative importance of ecological drivers of arbuscular mycorrhizal fungal distribution varies with taxon phylogenetic resolution

The relative importance of ecological drivers of arbuscular mycorrhizal fungal distribution varies with taxon phylogenetic resolution

Why farmers should manage the arbuscular mycorrhizal symbiosis

Biodiversity of arbuscular mycorrhizal fungi and ecosystem function

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