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Microscale ecology regulates particulate organic matter turnover in model marine microbial communities

Author

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  • Tim N. Enke

    (Massachusetts Institute of Technology
    ETH Zurich)

  • Gabriel E. Leventhal

    (Massachusetts Institute of Technology)

  • Matthew Metzger

    (Massachusetts Institute of Technology)

  • José T. Saavedra

    (Massachusetts Institute of Technology)

  • Otto X. Cordero

    (Massachusetts Institute of Technology)

Abstract

The degradation of particulate organic matter in the ocean is a central process in the global carbon cycle, the mode and tempo of which is determined by the bacterial communities that assemble on particle surfaces. Here, we find that the capacity of communities to degrade particles is highly dependent on community composition using a collection of marine bacteria cultured from different stages of succession on chitin microparticles. Different particle degrading taxa display characteristic particle half-lives that differ by ~170 h, comparable to the residence time of particles in the ocean’s mixed layer. Particle half-lives are in general longer in multispecies communities, where the growth of obligate cross-feeders hinders the ability of degraders to colonize and consume particles in a dose dependent manner. Our results suggest that the microscale community ecology of bacteria on particle surfaces can impact the rates of carbon turnover in the ocean.

Suggested Citation

  • Tim N. Enke & Gabriel E. Leventhal & Matthew Metzger & José T. Saavedra & Otto X. Cordero, 2018. "Microscale ecology regulates particulate organic matter turnover in model marine microbial communities," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05159-8
    DOI: 10.1038/s41467-018-05159-8
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    Cited by:

    1. Mohammad Bahadori & Chengrong Chen & Stephen Lewis & Juntao Wang & Jupei Shen & Enqing Hou & Mehran Rezaei Rashti & Qiaoyun Huang & Zoe Bainbridge & Tom Stevens, 2023. "The origin of suspended particulate matter in the Great Barrier Reef," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Wen-Xin Jiang & Ping-Yi Li & Xiu-Lan Chen & Yi-Shuo Zhang & Jing-Ping Wang & Yan-Jun Wang & Qi Sheng & Zhong-Zhi Sun & Qi-Long Qin & Xue-Bing Ren & Peng Wang & Xiao-Yan Song & Yin Chen & Yu-Zhong Zhan, 2022. "A pathway for chitin oxidation in marine bacteria," Nature Communications, Nature, vol. 13(1), pages 1-15, December.
    3. Zihao Zhao & Chie Amano & Thomas Reinthaler & Federico Baltar & Mónica V. Orellana & Gerhard J. Herndl, 2024. "Metaproteomic analysis decodes trophic interactions of microorganisms in the dark ocean," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    4. Fondi, Marco & Di Patti, Francesca, 2019. "A synthetic ecosystem for the multi-level modelling of heterotroph-phototroph metabolic interactions," Ecological Modelling, Elsevier, vol. 399(C), pages 13-22.
    5. Trang T. H. Nguyen & Emily J. Zakem & Ali Ebrahimi & Julia Schwartzman & Tolga Caglar & Kapil Amarnath & Uria Alcolombri & François J. Peaudecerf & Terence Hwa & Roman Stocker & Otto X. Cordero & Naom, 2022. "Microbes contribute to setting the ocean carbon flux by altering the fate of sinking particulates," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    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.
    7. Chujin Ruan & Josep Ramoneda & Anton Kan & Timothy J. Rudge & Gang Wang & David R. Johnson, 2024. "Phage predation accelerates the spread of plasmid-encoded antibiotic resistance," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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