Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship
The historical conditions under which bacterial lineages evolve determine their functional traits, and consequently their contribution to ecosystem functions (EFs). Under significant trait conservatism, which is common in prokaryotes, phylogeny may track the evolutionary history of species and predict their functionality. Productive communities can arise from: (i) the coexistence of functional, and therefore phylogenetically distant lineages, producing high EF rates at large phylogenetic diversity (PD); (ii) the dominance of productive lineages that outcompete other clades, generating high EF at low PD. Community composition will modulate the PD–EF relationship: The effects of anciently divergent lineages, whose deeply conserved functions determine the occupancy of major niches, may differ from that of recently divergent lineages showing adaptations to current conditions. We hypothesized that, in our model Mediterranean ecosystem, EF can be explained both by competitive superiority of ancient lineages and functional complementarity of recent lineages. To test this hypothesis, we sequenced a phylogenetic marker targeting bacteria across 28 soil plots and quantified EF related to microbial productivity, decomposition and nutrient cycling. Plots accumulating recently divergent lineages consistently showed higher EF levels that were slightly modified by the accumulation of ancient lineages. We discuss the assembly processes behind these phylogenetic-scale disparities and the final outcome in terms of ecosystem functioning.
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2018-06-07
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dig-cide-es-10261-1830722021-12-28T15:44:01Z Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship Goberna, M. Verdú, Miguel Ministerio de Economía y Competitividad (España) Generalitat Valenciana Verdú, Miguel [0000-0002-9778-7692] Goberna, M. [0000-0001-5303-3429] The historical conditions under which bacterial lineages evolve determine their functional traits, and consequently their contribution to ecosystem functions (EFs). Under significant trait conservatism, which is common in prokaryotes, phylogeny may track the evolutionary history of species and predict their functionality. Productive communities can arise from: (i) the coexistence of functional, and therefore phylogenetically distant lineages, producing high EF rates at large phylogenetic diversity (PD); (ii) the dominance of productive lineages that outcompete other clades, generating high EF at low PD. Community composition will modulate the PD–EF relationship: The effects of anciently divergent lineages, whose deeply conserved functions determine the occupancy of major niches, may differ from that of recently divergent lineages showing adaptations to current conditions. We hypothesized that, in our model Mediterranean ecosystem, EF can be explained both by competitive superiority of ancient lineages and functional complementarity of recent lineages. To test this hypothesis, we sequenced a phylogenetic marker targeting bacteria across 28 soil plots and quantified EF related to microbial productivity, decomposition and nutrient cycling. Plots accumulating recently divergent lineages consistently showed higher EF levels that were slightly modified by the accumulation of ancient lineages. We discuss the assembly processes behind these phylogenetic-scale disparities and the final outcome in terms of ecosystem functioning. Financial support was provided by the Spanish Ministry of Economy and Competitiveness (CGL2014-58333-P; CGL2016-81706-REDT; CGL2017-89751-R) and the Generalitat Valenciana (SEJI/2017/030). MG acknowledges support by the Ramón y Cajal Programme of the Spanish Ministry of Economy and Competitiveness. Peer reviewed 2019-05-31T12:35:06Z 2019-05-31T12:35:06Z 2018-06-07 artículo http://purl.org/coar/resource_type/c_6501 ISME Journal - International Society for Microbial Ecology 12: 2152–2162 (2018) 1751-7362 http://hdl.handle.net/10261/183072 10.1038/s41396-018-0162-5 1751-7370 http://dx.doi.org/10.13039/501100003359 http://dx.doi.org/10.13039/501100003329 29880911 en #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2014-58333-P info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2016-81706-REDT info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-89751-R http://dx.doi.org/10.1038/s41396-018-0162-5 Sí none Springer Nature |
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The historical conditions under which bacterial lineages evolve determine their functional traits, and consequently their contribution to ecosystem functions (EFs). Under significant trait conservatism, which is common in prokaryotes, phylogeny may track the evolutionary history of species and predict their functionality. Productive communities can arise from: (i) the coexistence of functional, and therefore phylogenetically distant lineages, producing high EF rates at large phylogenetic diversity (PD); (ii) the dominance of productive lineages that outcompete other clades, generating high EF at low PD. Community composition will modulate the PD–EF relationship: The effects of anciently divergent lineages, whose deeply conserved functions determine the occupancy of major niches, may differ from that of recently divergent lineages showing adaptations to current conditions. We hypothesized that, in our model Mediterranean ecosystem, EF can be explained both by competitive superiority of ancient lineages and functional complementarity of recent lineages. To test this hypothesis, we sequenced a phylogenetic marker targeting bacteria across 28 soil plots and quantified EF related to microbial productivity, decomposition and nutrient cycling. Plots accumulating recently divergent lineages consistently showed higher EF levels that were slightly modified by the accumulation of ancient lineages. We discuss the assembly processes behind these phylogenetic-scale disparities and the final outcome in terms of ecosystem functioning. |
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Ministerio de Economía y Competitividad (España) |
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Ministerio de Economía y Competitividad (España) Goberna, M. Verdú, Miguel |
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Goberna, M. Verdú, Miguel |
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Goberna, M. Verdú, Miguel Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
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Goberna, M. |
title |
Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
title_short |
Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
title_full |
Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
title_fullStr |
Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
title_full_unstemmed |
Phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
title_sort |
phylogenetic-scale disparities in the soil microbial diversity–ecosystem functioning relationship |
publisher |
Springer Nature |
publishDate |
2018-06-07 |
url |
http://hdl.handle.net/10261/183072 http://dx.doi.org/10.13039/501100003359 http://dx.doi.org/10.13039/501100003329 |
work_keys_str_mv |
AT gobernam phylogeneticscaledisparitiesinthesoilmicrobialdiversityecosystemfunctioningrelationship AT verdumiguel phylogeneticscaledisparitiesinthesoilmicrobialdiversityecosystemfunctioningrelationship |
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1777665549133676544 |