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Metabolic network analysis reveals microbial community interactions in anammox granules

Author

Listed:
  • Christopher E. Lawson

    (University of Wisconsin–Madison)

  • Sha Wu

    (University of Utah)

  • Ananda S. Bhattacharjee

    (University of Utah)

  • Joshua J. Hamilton

    (University of Wisconsin–Madison)

  • Katherine D. McMahon

    (University of Wisconsin–Madison
    University of Wisconsin–Madison)

  • Ramesh Goel

    (University of Utah)

  • Daniel R. Noguera

    (University of Wisconsin–Madison
    Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, University of Wisconsin–Madison)

Abstract

Microbial communities mediating anaerobic ammonium oxidation (anammox) represent one of the most energy-efficient environmental biotechnologies for nitrogen removal from wastewater. However, little is known about the functional role heterotrophic bacteria play in anammox granules. Here, we use genome-centric metagenomics to recover 17 draft genomes of anammox and heterotrophic bacteria from a laboratory-scale anammox bioreactor. We combine metabolic network reconstruction with metatranscriptomics to examine the gene expression of anammox and heterotrophic bacteria and to identify their potential interactions. We find that Chlorobi-affiliated bacteria may be highly active protein degraders, catabolizing extracellular peptides while recycling nitrate to nitrite. Other heterotrophs may also contribute to scavenging of detritus and peptides produced by anammox bacteria, and potentially use alternative electron donors, such as H2, acetate and formate. Our findings improve the understanding of metabolic activities and interactions between anammox and heterotrophic bacteria and offer the first transcriptional insights on ecosystem function in anammox granules.

Suggested Citation

  • Christopher E. Lawson & Sha Wu & Ananda S. Bhattacharjee & Joshua J. Hamilton & Katherine D. McMahon & Ramesh Goel & Daniel R. Noguera, 2017. "Metabolic network analysis reveals microbial community interactions in anammox granules," Nature Communications, Nature, vol. 8(1), pages 1-12, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15416
    DOI: 10.1038/ncomms15416
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    Cited by:

    1. Li Li & Cwyn Solvi & Feng Zhang & Zhaoyang Qi & Lars Chittka & Wei Zhao, 2021. "Gut microbiome drives individual memory variation in bumblebees," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Shuanglei Huang & Daishe Wu, 2020. "Responses of Anammox Granular Sludge to Long-Term Rare Earth Element Feeding: Lanthanum as a Case," Sustainability, MDPI, vol. 12(19), pages 1-18, September.
    3. Wu, Mengjia & Zhang, Yi & Zhang, Guangquan & Lu, Jie, 2021. "Exploring the genetic basis of diseases through a heterogeneous bibliometric network: A methodology and case study," Technological Forecasting and Social Change, Elsevier, vol. 164(C).
    4. Josep Ramoneda & Thomas B. N. Jensen & Morgan N. Price & Emilio O. Casamayor & Noah Fierer, 2023. "Taxonomic and environmental distribution of bacterial amino acid auxotrophies," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    5. Jiang, Xiong-Fei & Xiong, Long & Bai, Ling & Lin, Jie & Zhang, Jing-Feng & Yan, Kun & Zhu, Jia-Zhen & Zheng, Bo & Zheng, Jian-Jun, 2022. "Structure and dynamics of human complication-disease network," Chaos, Solitons & Fractals, Elsevier, vol. 164(C).
    6. Yichao Wu & Chengxia Fu & Caroline L. Peacock & Søren J. Sørensen & Marc A. Redmile-Gordon & Ke-Qing Xiao & Chunhui Gao & Jun Liu & Qiaoyun Huang & Zixue Li & Peiyi Song & Yongguan Zhu & Jizhong Zhou , 2023. "Cooperative microbial interactions drive spatial segregation in porous environments," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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