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Community-integrated omics links dominance of a microbial generalist to fine-tuned resource usage

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms6603· OSTI ID:1797290
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  1. Univ. of Luxembourg, Esch-sur-Alzette, (Luxembourg). Luxembourg Center for Systems Biomedicine
  2. Univ. of Luxembourg, Esch-sur-Alzette, (Luxembourg). Luxembourg Center for Systems Biomedicine; Institute for Systems Biology, Seattle, WA (United States)
  3. Institute for Systems Biology, Seattle, WA (United States)
  4. TGen North, Falstaff, AZ (United States)
  5. Centre de Recherche Public-Gabriel Lippmann, Belvaux (Luxembourg)
Microbial communities are complex and dynamic systems that are primarily structured according to their members’ ecological niches. To investigate how niche breadth (generalist versus specialist lifestyle strategies) relates to ecological success, we develop and apply an integrative workflow for the multi-omic analysis of oleaginous mixed microbial communities from a biological wastewater treatment plant. Time- and space-resolved coupled metabolomic and taxonomic analyses demonstrate that the community-wide lipid accumulation phenotype is associated with the dominance of the generalist bacterium Candidatus Microthrix spp. By integrating population-level genomic reconstructions (reflecting fundamental niches) with transcriptomic and proteomic data (realised niches), we identify finely tuned gene expression governing resource usage by Candidatus Microthrix parvicella over time. Moreover, our results indicate that the fluctuating environmental conditions constrain the accumulation of genetic variation in Candidatus Microthrix parvicella likely due to fitness trade-offs. Based on our observations, niche breadth has to be considered as an important factor for understanding the evolutionary processes governing (microbial) population sizes and structures in situ.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
Luxembourg National Research Fund; National Institutes of Health (NIH); National Science Foundation (NSF); USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1797290
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 5; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (24)

Contributions of Composition and Interactions to Bacterial Respiration Are Reliant on the Phylogenetic Similarity of the Measured Community journal April 2017
Metatranscriptomic and metagenomic description of the bacterial nitrogen metabolism in waste water wet oxidation effluents journal October 2017
In situ phenotypic heterogeneity among single cells of the filamentous bacterium Candidatus Microthrix parvicella journal October 2015
A machine learning approach to predict metabolic pathway dynamics from time-series multiomics data journal May 2018
Expressed protein profile of a Tectomicrobium and other microbial symbionts in the marine sponge Aplysina aerophoba as evidenced by metaproteomics journal August 2018
Properties of alternative microbial hosts used in synthetic biology: towards the design of a modular chassis journal November 2016
Time-series metagenomic analysis reveals robustness of soil microbiome against chemical disturbance journal October 2015
Integrated omics for the identification of key functionalities in biological wastewater treatment microbial communities: Integrated omics to discover microbial functions journal February 2015
Determining Microbial Niche Breadth in the Environment for Better Ecosystem Fate Predictions journal June 2019
IMP: a pipeline for reproducible reference-independent integrated metagenomic and metatranscriptomic analyses journal December 2016
An integrated meta-omics approach reveals substrates involved in synergistic interactions in a bisphenol A (BPA)-degrading microbial community journal February 2019
First draft genome sequence of a strain belonging to the Zoogloea genus and its gene expression in situ journal October 2017
Microbial resource utilization traits and trade-offs: implications for community structure, functioning, and biogeochemical impacts at present and in the future journal April 2015
Identification, Recovery, and Refinement of Hitherto Undescribed Population-Level Genomes from the Human Gastrointestinal Tract journal June 2016
A decade of metaproteomics: Where we stand and what the future holds: PROTEOMICS journal September 2015
Enhancing metaproteomics-The value of models and defined environmental microbial systems journal January 2016
Integrated multi-omics of the human gut microbiome in a case study of familial type 1 diabetes journal October 2016
A Meta-proteogenomic Approach to Peptide Identification Incorporating Assembly Uncertainty and Genomic Variation journal May 2019
A robust, cost‐effective method for DNA, RNA and protein co‐extraction from soil, other complex microbiomes and pure cultures journal February 2019
Extracellular acidosis triggers a senescence‐like phenotype in human melanoma cells journal July 2019
Metagenome-assembled genomes uncover a global brackish microbiome journal December 2015
A year of monitoring 20 mesophilic full-scale bioreactors reveals the existence of stable but different core microbiomes in bio-waste and wastewater anaerobic digestion systems journal July 2018
Integrated omics: tools, advances and future approaches journal January 2019
Genome-Resolved Proteomic Stable Isotope Probing of Soil Microbial Communities Using 13CO2 and 13C-Methanol journal December 2019

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