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A predator-prey interaction between a marine Pseudoalteromonas sp. and Gram-positive bacteria

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Tang, Bai-Lu, Yang, Jie, Chen, Xiu-Lan, Wang, Peng, Zhao, Hui-Lin, Su, Hai-Nan, Li, Chun-Yang, Yu, Yang, Zhong, Shuai, Wang, Lei, Lidbury, Ian, Ding, Haitao, Wang, Min, McMinn, Andrew, Zhang, Xi-Ying, Chen, Yin and Zhang, Yu-Zhong (2020) A predator-prey interaction between a marine Pseudoalteromonas sp. and Gram-positive bacteria. Nature Communications, 11 (1). 285. doi:10.1038/s41467-019-14133-x ISSN 2041-1723.

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Official URL: https://doi.org/10.1038/s41467-019-14133-x

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Abstract

Predator-prey interactions play important roles in the cycling of marine organic matter. Here we show that a Gram-negative bacterium isolated from marine sediments (Pseudoalteromonas sp. strain CF6-2) can kill Gram-positive bacteria of diverse peptidoglycan (PG) chemotypes by secreting the metalloprotease pseudoalterin. Secretion of the enzyme requires a Type II secretion system. Pseudoalterin binds to the glycan strands of Gram positive bacterial PG and degrades the PG peptide chains, leading to cell death. The released nutrients, including PG-derived D-amino acids, can then be utilized by strain CF6-2 for growth. Pseudoalterin synthesis is induced by PG degradation products such as glycine and glycine-rich oligopeptides. Genes encoding putative pseudoalterin-like proteins are found in many other marine bacteria. This study reveals a new microbial interaction in the ocean.

Item Type: Journal Article
Subjects: Q Science > QH Natural history
Q Science > QL Zoology
Divisions: Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Predation (Biology), Marine organisms -- Effect of predation on, Gram-positive bacteria , Marine sediments -- Microbiology
Journal or Publication Title: Nature Communications
Publisher: Nature Publishing Group
ISSN: 2041-1723
Official Date: 15 January 2020
Dates:
DateEvent
15 January 2020Published
13 January 2020Accepted
Volume: 11
Number: 1
Article Number: 285
DOI: 10.1038/s41467-019-14133-x
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): ** From Europe PMC via Jisc Publications Router ** History: ppub 01-01-2020; epub 15-01-2020. ** Licence for this article: cc by
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 5 March 2020
Date of first compliant Open Access: 9 March 2020
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
U1706207[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
31630012[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
91851205[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
31670063[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
018YFC1406703National Key Research and Development Program of China Stem Cell and Translational Researchhttp://dx.doi.org/10.13039/501100013290
tspd20181203Taishan Scholar Project of Shandong Provincehttp://dx.doi.org/10.13039/501100010040
2017ASTCP-OS14Qingdao National Laboratory for Marine Science and Technologyhttp://dx.doi.org/10.13039/501100010954
Related URLs:
  • https://europepmc.org/articles/PMC696222...
  • https://europepmc.org/articles/PMC696222...

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