Alpha‐ and beta‐mannan utilization by marine Bacteroidetes
Abstract
Summary Marine microscopic algae carry out about half of the global carbon dioxide fixation into organic matter. They provide organic substrates for marine microbes such as members of the Bacteroidetes that degrade algal polysaccharides using carbohydrate‐active enzymes (CAZymes). In Bacteroidetes genomes CAZyme encoding genes are mostly grouped in distinct regions termed polysaccharide utilization loci (PULs). While some studies have shown involvement of PULs in the degradation of algal polysaccharides, the specific substrates are for the most part still unknown. We investigated four marine Bacteroidetes isolated from the southern North Sea that harbour putative mannan‐specific PULs. These PULs are similarly organized as PULs in human gut Bacteroides that digest α‐ and β‐mannans from yeasts and plants respectively. Using proteomics and defined growth experiments with polysaccharides as sole carbon sources we could show that the investigated marine Bacteroidetes express the predicted functional proteins required for α‐ and β‐mannan degradation. Our data suggest that algal mannans play an as yet unknown important role in the marine carbon cycle, and that biochemical principles established for gut or terrestrial microbes also apply to marine bacteria, even though their PULs are evolutionarily distant.
- Authors:
-
- Max Planck Institute for Marine Microbiology Bremen Germany, Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology of China Institute of Hydrobiology, Chinese Academy of Sciences Wuhan China, University of Chinese Academy of Sciences Beijing China, College of Ocean Hebei Agricultural University Qinhuangdao China
- Max Planck Institute for Marine Microbiology Bremen Germany, MARUM, Center for Marine Environmental Sciences University of Bremen Bremen Germany
- Pharmaceutical Biotechnology Institute of Pharmacy, University Greifswald Greifswald Germany, Institute of Marine Biotechnology Greifswald Germany
- Max Planck Institute for Marine Microbiology Bremen Germany
- MARUM, Center for Marine Environmental Sciences University of Bremen Bremen Germany
- Institute of Microbiology University Greifswald Greifswald Germany
- Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology of China Institute of Hydrobiology, Chinese Academy of Sciences Wuhan China
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1477889
- Alternate Identifier(s):
- OSTI ID: 1477890
- Grant/Contract Number:
- DE‐AC02‐05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Environmental Microbiology
- Additional Journal Information:
- Journal Name: Environmental Microbiology Journal Volume: 20 Journal Issue: 11; Journal ID: ISSN 1462-2912
- Publisher:
- Wiley-Blackwell
- Country of Publication:
- United Kingdom
- Language:
- English
Citation Formats
Chen, Jing, Robb, Craig S., Unfried, Frank, Kappelmann, Lennart, Markert, Stephanie, Song, Tao, Harder, Jens, Avcı, Burak, Becher, Dörte, Xie, Ping, Amann, Rudolf I., Hehemann, Jan‐Hendrik, Schweder, Thomas, and Teeling, Hanno. Alpha‐ and beta‐mannan utilization by marine Bacteroidetes. United Kingdom: N. p., 2018.
Web. doi:10.1111/1462-2920.14414.
Chen, Jing, Robb, Craig S., Unfried, Frank, Kappelmann, Lennart, Markert, Stephanie, Song, Tao, Harder, Jens, Avcı, Burak, Becher, Dörte, Xie, Ping, Amann, Rudolf I., Hehemann, Jan‐Hendrik, Schweder, Thomas, & Teeling, Hanno. Alpha‐ and beta‐mannan utilization by marine Bacteroidetes. United Kingdom. https://doi.org/10.1111/1462-2920.14414
Chen, Jing, Robb, Craig S., Unfried, Frank, Kappelmann, Lennart, Markert, Stephanie, Song, Tao, Harder, Jens, Avcı, Burak, Becher, Dörte, Xie, Ping, Amann, Rudolf I., Hehemann, Jan‐Hendrik, Schweder, Thomas, and Teeling, Hanno. Tue .
"Alpha‐ and beta‐mannan utilization by marine Bacteroidetes". United Kingdom. https://doi.org/10.1111/1462-2920.14414.
@article{osti_1477889,
title = {Alpha‐ and beta‐mannan utilization by marine Bacteroidetes},
author = {Chen, Jing and Robb, Craig S. and Unfried, Frank and Kappelmann, Lennart and Markert, Stephanie and Song, Tao and Harder, Jens and Avcı, Burak and Becher, Dörte and Xie, Ping and Amann, Rudolf I. and Hehemann, Jan‐Hendrik and Schweder, Thomas and Teeling, Hanno},
abstractNote = {Summary Marine microscopic algae carry out about half of the global carbon dioxide fixation into organic matter. They provide organic substrates for marine microbes such as members of the Bacteroidetes that degrade algal polysaccharides using carbohydrate‐active enzymes (CAZymes). In Bacteroidetes genomes CAZyme encoding genes are mostly grouped in distinct regions termed polysaccharide utilization loci (PULs). While some studies have shown involvement of PULs in the degradation of algal polysaccharides, the specific substrates are for the most part still unknown. We investigated four marine Bacteroidetes isolated from the southern North Sea that harbour putative mannan‐specific PULs. These PULs are similarly organized as PULs in human gut Bacteroides that digest α‐ and β‐mannans from yeasts and plants respectively. Using proteomics and defined growth experiments with polysaccharides as sole carbon sources we could show that the investigated marine Bacteroidetes express the predicted functional proteins required for α‐ and β‐mannan degradation. Our data suggest that algal mannans play an as yet unknown important role in the marine carbon cycle, and that biochemical principles established for gut or terrestrial microbes also apply to marine bacteria, even though their PULs are evolutionarily distant.},
doi = {10.1111/1462-2920.14414},
journal = {Environmental Microbiology},
number = 11,
volume = 20,
place = {United Kingdom},
year = {Tue Oct 16 00:00:00 EDT 2018},
month = {Tue Oct 16 00:00:00 EDT 2018}
}
https://doi.org/10.1111/1462-2920.14414
Web of Science
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