Effects of Spatial Variability and Relic DNA Removal on the Detection of Temporal Dynamics in Soil Microbial Communities

Carini, Paul; Delgado-Baquerizo, Manuel; Hinckley, Eve-Lyn S.; Holland‐Moritz, Hannah; Brewer, Tess E.; Rue, Garrett; Vanderburgh, Caihong; McKnight, Diane; Fierer, Noah

doi:10.1128/mbio.02776-19

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Effects of Spatial Variability and Relic DNA Removal on the Detection of Temporal Dynamics in Soil Microbial Communities

2020
By Carini, Paul ; Delgado-Baquerizo, Manuel ; Hinckley, Eve-Lyn S. ; ...
Source: mBio, 11(1)

[PDF-1.87 MB]

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mBio
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Carini, Paul ; Delgado-Baquerizo, Manuel ; Hinckley, Eve-Lyn S. ; Holland‐Moritz, Hannah ; Brewer, Tess E. ; ... More +

Carini, Paul ; Delgado-Baquerizo, Manuel ; Hinckley, Eve-Lyn S. ; Holland‐Moritz, Hannah ; Brewer, Tess E. ; Rue, Garrett ; Vanderburgh, Caihong ; McKnight, Diane ; Fierer, Noah Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information) Less -
Description:

Nearly all microbial communities are dynamic in time. Understanding how temporal dynamics in microbial community structure affect soil biogeochemistry and fertility are key to being able to predict the responses of the soil microbiome to environmental perturbations. Here, we explain the effects of soil spatial structure and relic DNA on the determination of microbial community fluctuations over time. We found that intensive spatial sampling was required to identify temporal effects in microbial communities because of the high degree of spatial heterogeneity in soil and that DNA from nonliving sources masks important temporal patterns. We identified groups of microbes with shared temporal responses and show that these patterns were predictable from changes in soil characteristics. These results provide insight into the environmental preferences and temporal relationships between individual microbial taxa and highlight the importance of considering relic DNA when trying to detect temporal dynamics in belowground communities.
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Microbiology Virology
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mBio, 11(1)
DOI:

https://doi.org/10.1128/mbio.02776-19
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2161-2129;2150-7511;
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PDF
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American Society for Microbiology
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Journal Article
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CC BY
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urn:sha256:fae751b948d342ae84f28d551a7dd47638a93367a23916217741963578ac3a65
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Effects of Spatial Variability and Relic DNA Removal on the Detection of Temporal Dynamics in Soil Microbial Communities

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