Title: Systems biology approaches towards predictive microbial ecology

Journal Article · · Environmental Microbiology
 [1];  [1];  [2];  [2];  [3]
  1. Institute for Systems Biology, Seattle, WA (United States)
  2. Institute for Systems Biology, Seattle, WA (United States); Univ. of Washington, Seattle, WA (United States)
  3. Institute for Systems Biology, Seattle, WA (United States); Univ. of Washington, Seattle, WA (United States) ; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Through complex interspecies interactions, microbial processes drive nutrient cycling and biogeochemistry. However, we still struggle to predict specifically which organisms, communities and biotic and abiotic processes are determining ecosystem function and how environmental changes will alter their roles and stability. While the tools to create such a predictive microbial ecology capability exist, cross-disciplinary integration of high-resolution field measurements, detailed laboratory studies and computation is essential. In this perspective, we emphasize the importance of pursuing a multiscale, systems approach to iteratively link ecological processes measured in the field to testable hypotheses that drive high-throughput laboratory experimentation. Mechanistic understanding of microbial processes gained in controlled lab systems will lead to the development of theory that can be tested back in the field. Using N2 O production as an example, we review the current status of field and laboratory research and layout a plausible path to the kind of integration that is needed to enable prediction of how N-cycling microbial communities will respond to environmental changes. We advocate for the development of realistic and predictive gene regulatory network models for environmental responses that extend from single-cell resolution to ecosystems, which is essential to understand how microbial communities involved in N2 O production and consumption will respond to future environmental conditions.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1777943
Journal Information:
Environmental Microbiology, Journal Name: Environmental Microbiology Journal Issue: 12 Vol. 20; ISSN 1462-2912
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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