Functional metagenomics reveals abundant polysaccharide-degrading gene clusters and cellobiose utilization pathways within gut microbiota of a wood-feeding higher termite
Abstract
Plant cell-wall polysaccharides constitute the most abundant but recalcitrant organic carbon source in nature. Microbes residing in the digestive tract of herbivorous bilaterians are particularly efficient at depolymerizing polysaccharides into fermentable sugars and play a significant support role towards their host’s lifestyle. Here, we combine large-scale functional screening of fosmid libraries, shotgun sequencing, and biochemical assays to interrogate the gut microbiota of the wood-feeding “higher” termite Globitermes brachycerastes. A number of putative polysaccharide utilization gene clusters were identified with multiple fibrolytic genes. Our large-scale functional screening of 50,000 fosmid clones resulted in 464 clones demonstrating plant polysaccharide-degrading activities, including 267 endoglucanase-, 24 exoglucanase-, 72 β-glucosidase-, and 101 endoxylanase-positive clones. We sequenced 173 functionally active clones and identified ~219 genes encoding putative carbohydrate-active enzymes (CAZymes) targeting cellulose, hemicellulose and pectin. Further analyses revealed that 68 of 154 contigs encode one or more CAZyme, which includes 35 examples of putative saccharolytic operons, suggesting that clustering of CAZymes is common in termite gut microbial inhabitants. Biochemical characterization of a representative xylanase cluster demonstrated that constituent enzymes exhibited complementary physicochemical properties and saccharolytic capabilities. Furthermore, diverse cellobiose-metabolizing enzymes include β-glucosidases, cellobiose phosphorylases, and phopho-6-β-glucosidases were identified and functionally verified, indicating that the termite gutmore »
- Authors:
-
- Chinese Academy of Sciences, Shanghai (China); Zhejiang Academy of Agricultural Sciences, Hangzhou (China)
- Univ. of Wisconsin, Madison, WI (United States)
- Chinese Academy of Sciences, Shanghai (China)
- Chinese Academy of Sciences, Shenzhen (China)
- Univ. of Kentucky, Lexington, KY (United States)
- Norwegian Univ. of Life Sciences, Ås (Norway)
- Chinese Academy of Sciences, Shanghai (China); Tongji Univ. School of Medicine, Shanghai (China)
- Publication Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1609239
- Grant/Contract Number:
- FC02-07ER64494
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The ISME Journal
- Additional Journal Information:
- Journal Volume: 13; Journal Issue: 1; Journal ID: ISSN 1751-7362
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Environmental Sciences & Ecology; Microbiology; Applied microbiology; Microbial ecology
Citation Formats
Liu, Ning, Li, Hongjie, Chevrette, Marc G., Zhang, Lei, Cao, Lin, Zhou, Haokui, Zhou, Xuguo, Zhou, Zhihua, Pope, Phillip B., Currie, Cameron R., Huang, Yongping, and Wang, Qian. Functional metagenomics reveals abundant polysaccharide-degrading gene clusters and cellobiose utilization pathways within gut microbiota of a wood-feeding higher termite. United States: N. p., 2018.
Web. doi:10.1038/s41396-018-0255-1.
Liu, Ning, Li, Hongjie, Chevrette, Marc G., Zhang, Lei, Cao, Lin, Zhou, Haokui, Zhou, Xuguo, Zhou, Zhihua, Pope, Phillip B., Currie, Cameron R., Huang, Yongping, & Wang, Qian. Functional metagenomics reveals abundant polysaccharide-degrading gene clusters and cellobiose utilization pathways within gut microbiota of a wood-feeding higher termite. United States. https://doi.org/10.1038/s41396-018-0255-1
Liu, Ning, Li, Hongjie, Chevrette, Marc G., Zhang, Lei, Cao, Lin, Zhou, Haokui, Zhou, Xuguo, Zhou, Zhihua, Pope, Phillip B., Currie, Cameron R., Huang, Yongping, and Wang, Qian. Thu .
"Functional metagenomics reveals abundant polysaccharide-degrading gene clusters and cellobiose utilization pathways within gut microbiota of a wood-feeding higher termite". United States. https://doi.org/10.1038/s41396-018-0255-1. https://www.osti.gov/servlets/purl/1609239.
@article{osti_1609239,
title = {Functional metagenomics reveals abundant polysaccharide-degrading gene clusters and cellobiose utilization pathways within gut microbiota of a wood-feeding higher termite},
author = {Liu, Ning and Li, Hongjie and Chevrette, Marc G. and Zhang, Lei and Cao, Lin and Zhou, Haokui and Zhou, Xuguo and Zhou, Zhihua and Pope, Phillip B. and Currie, Cameron R. and Huang, Yongping and Wang, Qian},
abstractNote = {Plant cell-wall polysaccharides constitute the most abundant but recalcitrant organic carbon source in nature. Microbes residing in the digestive tract of herbivorous bilaterians are particularly efficient at depolymerizing polysaccharides into fermentable sugars and play a significant support role towards their host’s lifestyle. Here, we combine large-scale functional screening of fosmid libraries, shotgun sequencing, and biochemical assays to interrogate the gut microbiota of the wood-feeding “higher” termite Globitermes brachycerastes. A number of putative polysaccharide utilization gene clusters were identified with multiple fibrolytic genes. Our large-scale functional screening of 50,000 fosmid clones resulted in 464 clones demonstrating plant polysaccharide-degrading activities, including 267 endoglucanase-, 24 exoglucanase-, 72 β-glucosidase-, and 101 endoxylanase-positive clones. We sequenced 173 functionally active clones and identified ~219 genes encoding putative carbohydrate-active enzymes (CAZymes) targeting cellulose, hemicellulose and pectin. Further analyses revealed that 68 of 154 contigs encode one or more CAZyme, which includes 35 examples of putative saccharolytic operons, suggesting that clustering of CAZymes is common in termite gut microbial inhabitants. Biochemical characterization of a representative xylanase cluster demonstrated that constituent enzymes exhibited complementary physicochemical properties and saccharolytic capabilities. Furthermore, diverse cellobiose-metabolizing enzymes include β-glucosidases, cellobiose phosphorylases, and phopho-6-β-glucosidases were identified and functionally verified, indicating that the termite gut micro-ecosystem utilizes diverse metabolic pathways to interconnect hydrolysis and central metabolism. Collectively, these results provide an in-depth view of the adaptation and digestive strategies employed by gut microbiota within this tiny-yet-efficient host-associated ecosystem.},
doi = {10.1038/s41396-018-0255-1},
journal = {The ISME Journal},
number = 1,
volume = 13,
place = {United States},
year = {Thu Aug 16 00:00:00 EDT 2018},
month = {Thu Aug 16 00:00:00 EDT 2018}
}
Web of Science
Works referenced in this record:
Adaptation to herbivory by the Tammar wallaby includes bacterial and glycoside hydrolase profiles different from other herbivores
journal, July 2010
- Pope, P. B.; Denman, S. E.; Jones, M.
- Proceedings of the National Academy of Sciences, Vol. 107, Issue 33
eggNOG 4.5: a hierarchical orthology framework with improved functional annotations for eukaryotic, prokaryotic and viral sequences
journal, November 2015
- Huerta-Cepas, Jaime; Szklarczyk, Damian; Forslund, Kristoffer
- Nucleic Acids Research, Vol. 44, Issue D1
The Gut Microbiota of Termites: Digesting the Diversity in the Light of Ecology and Evolution
journal, October 2015
- Brune, Andreas; Dietrich, Carsten
- Annual Review of Microbiology, Vol. 69, Issue 1
Niches of two polysaccharide-degrading Polaribacter isolates from the North Sea during a spring diatom bloom
journal, December 2014
- Xing, Peng; Hahnke, Richard L.; Unfried, Frank
- The ISME Journal, Vol. 9, Issue 6
Metabolomic profiling of 13 C-labelled cellulose digestion in a lower termite: insights into gut symbiont function
journal, August 2014
- Tokuda, Gaku; Tsuboi, Yuuri; Kihara, Kumiko
- Proceedings of the Royal Society B: Biological Sciences, Vol. 281, Issue 1789
Hidden cellulases in termites: revision of an old hypothesis
journal, March 2007
- Tokuda, Gaku; Watanabe, Hirofumi
- Biology Letters, Vol. 3, Issue 3
Termites as Targets and Models for Biotechnology
journal, January 2015
- Scharf, Michael E.
- Annual Review of Entomology, Vol. 60, Issue 1
Comparative aspects of plant cell wall digestion in insects
journal, January 1991
- Prins, R. A.; Kreulen, D. A.
- Animal Feed Science and Technology, Vol. 32, Issue 1-3
Characterization of a novel thermostable β-glucosidase from a metagenomic library of termite gut
journal, December 2012
- Wang, Qianfu; Qian, Changli; Zhang, Xiao-Zhou
- Enzyme and Microbial Technology, Vol. 51, Issue 6-7
Lignocellulose pretreatment in a fungus-cultivating termite
journal, April 2017
- Li, Hongjie; Yelle, Daniel J.; Li, Chang
- Proceedings of the National Academy of Sciences, Vol. 114, Issue 18
A novel metagenome-derived gene cluster from termite hindgut: Encoding phosphotransferase system components and high glucose tolerant glucosidase
journal, March 2016
- Gao, Gang; Wang, An; Gong, Bo-Liang
- Enzyme and Microbial Technology, Vol. 84
Metagenomic Insights into Metabolic Capacities of the Gut Microbiota in a Fungus-Cultivating Termite (Odontotermes yunnanensis)
journal, July 2013
- Liu, Ning; Zhang, Lei; Zhou, Haokui
- PLoS ONE, Vol. 8, Issue 7
Symbiosis between Termites and Their Intestinal Protozoa
journal, December 1923
- Cleveland, L. R.
- Proceedings of the National Academy of Sciences, Vol. 9, Issue 12
Age polyethism drives community structure of the bacterial gut microbiota in the fungus-cultivating termite O dontotermes formosanus : Gut microbiota of
journal, October 2015
- Li, Hongjie; Dietrich, Carsten; Zhu, Na
- Environmental Microbiology, Vol. 18, Issue 5
High-Resolution Analysis of Gut Environment and Bacterial Microbiota Reveals Functional Compartmentation of the Gut in Wood-Feeding Higher Termites (Nasutitermes spp.)
journal, April 2012
- Köhler, Tim; Dietrich, Carsten; Scheffrahn, Rudolf H.
- Applied and Environmental Microbiology, Vol. 78, Issue 13
Ninety-nine de novo assembled genomes from the moose (Alces alces) rumen microbiome provide new insights into microbial plant biomass degradation
journal, July 2017
- Svartström, Olov; Alneberg, Johannes; Terrapon, Nicolas
- The ISME Journal, Vol. 11, Issue 11
Microbiome of Fungus-Growing Termites: a New Reservoir for Lignocellulase Genes
journal, November 2010
- Liu, Ning; Yan, Xing; Zhang, Meiling
- Applied and Environmental Microbiology, Vol. 77, Issue 1
Engineering a high-performance, metagenomic-derived novel xylanase with improved soluble protein yield and thermostability
journal, March 2015
- Qian, Changli; Liu, Ning; Yan, Xing
- Enzyme and Microbial Technology, Vol. 70
Mixed-Mode Transmission Shapes Termite Gut Community Assemblies
journal, July 2018
- da Costa, Rafael R.; Poulsen, Michael
- Trends in Microbiology, Vol. 26, Issue 7
Metagenomic mining of glycoside hydrolases from the hindgut bacterial symbionts of a termite ( Trinervitermes trinervoides ) and the characterization of a multimodular β-1,4-xylanase (GH11): Metagenomic Mining and Characterization of β-1,4-Xylanase (GH11)
journal, May 2016
- Rashamuse, Konanani; Sanyika Tendai, Walter; Mathiba, Kgama
- Biotechnology and Applied Biochemistry, Vol. 64, Issue 2
Genomic Analysis Reveals Multiple [FeFe] Hydrogenases and Hydrogen Sensors Encoded by Treponemes from the H2-Rich Termite Gut
journal, August 2011
- Ballor, Nicholas R.; Paulsen, Ian; Leadbetter, Jared R.
- Microbial Ecology, Vol. 63, Issue 2
Purification from Fusobacterium mortiferum ATCC 25557 of a 6-phosphoryl-O-alpha-D-glucopyranosyl:6-phosphoglucohydrolase that hydrolyzes maltose 6-phosphate and related phospho-alpha-D-glucosides.
journal, January 1995
- Thompson, J.; Gentry-Weeks, C. R.; Nguyen, N. Y.
- Journal of bacteriology, Vol. 177, Issue 9
Parallel metatranscriptome analyses of host and symbiont gene expression in the gut of the termite Reticulitermes flavipes
journal, January 2009
- Tartar, Aurélien; Wheeler, Marsha M.; Zhou, Xuguo
- Biotechnology for Biofuels, Vol. 2, Issue 1
Metagenomics of the Svalbard Reindeer Rumen Microbiome Reveals Abundance of Polysaccharide Utilization Loci
journal, June 2012
- Pope, Phillip B.; Mackenzie, Alasdair K.; Gregor, Ivan
- PLoS ONE, Vol. 7, Issue 6
Analysis of the bovine rumen microbiome reveals a diversity of Sus-like polysaccharide utilization loci from the bacterial phylum Bacteroidetes
journal, January 2014
- Rosewarne, Carly P.; Pope, Phillip B.; Cheung, Jane L.
- Journal of Industrial Microbiology & Biotechnology, Vol. 41, Issue 3
Dual cellulose-digesting system of the wood-feeding termite, Coptotermes formosanus Shiraki
journal, July 2002
- Nakashima, K.; Watanabe, H.; Saitoh, H.
- Insect Biochemistry and Molecular Biology, Vol. 32, Issue 7, p. 777-784
Acetogenesis from H 2 plus CO 2 and nitrogen fixation by an endosymbiotic spirochete of a termite-gut cellulolytic protist
journal, May 2015
- Ohkuma, Moriya; Noda, Satoko; Hattori, Satoshi
- Proceedings of the National Academy of Sciences, Vol. 112, Issue 33
Complementary symbiont contributions to plant decomposition in a fungus-farming termite
journal, September 2014
- Poulsen, Michael; Hu, Haofu; Li, Cai
- Proceedings of the National Academy of Sciences, Vol. 111, Issue 40
The PhyloPythiaS Web Server for Taxonomic Assignment of Metagenome Sequences
journal, June 2012
- Patil, Kaustubh Raosaheb; Roune, Linus; McHardy, Alice Carolyn
- PLoS ONE, Vol. 7, Issue 6
Carbohydrate-active enzymes revealed in Coptotermes formosanus (Isoptera: Rhinotermitidae) transcriptome: CAZymes of Coptotermes formosanus
journal, January 2012
- Zhang, D.; Lax, A. R.; Henrissat, B.
- Insect Molecular Biology, Vol. 21, Issue 2
Purification and properties of Cellvibrio gilvus cellobiose phosphorylase
journal, March 1983
- Sasaki, T.; Tanaka, T.; Nakagawa, S.
- Biochemical Journal, Vol. 209, Issue 3
Comparison of gut-associated and nest-associated microbial communities of a fungus-growing termite (Odontotermes yunnanensis): Comparison of micro-organism communities
journal, April 2010
- Long, Yan-Hua; Xie, Lei; Liu, Ning
- Insect Science, Vol. 17, Issue 3
Rampant Host Switching Shaped the Termite Gut Microbiome
journal, February 2018
- Bourguignon, Thomas; Lo, Nathan; Dietrich, Carsten
- Current Biology, Vol. 28, Issue 4
Proteome insights into the symbiotic relationship between a captive colony of Nasutitermes corniger and its hindgut microbiome
journal, July 2010
- Burnum, Kristin E.; Callister, Stephen J.; Nicora, Carrie D.
- The ISME Journal, Vol. 5, Issue 1
Cellulolytic Systems in Insects
journal, January 2010
- Watanabe, Hirofumi; Tokuda, Gaku
- Annual Review of Entomology, Vol. 55, Issue 1
Gill bacteria enable a novel digestive strategy in a wood-feeding mollusk
journal, November 2014
- O’Connor, Roberta M.; Fung, Jennifer M.; Sharp, Koty H.
- Proceedings of the National Academy of Sciences, Vol. 111, Issue 47
Biomass Utilization by Gut Microbiomes
journal, September 2014
- White, Bryan A.; Lamed, Raphael; Bayer, Edward A.
- Annual Review of Microbiology, Vol. 68, Issue 1
Microbial Cellulose Utilization: Fundamentals and Biotechnology
journal, September 2002
- Lynd, L. R.; Weimer, P. J.; van Zyl, W. H.
- Microbiology and Molecular Biology Reviews, Vol. 66, Issue 3, p. 506-577
Regulation of sugar transport and metabolism in lactic acid bacteria
journal, September 1987
- Thompson, John
- FEMS Microbiology Letters, Vol. 46, Issue 3
Symbiotic digestion of lignocellulose in termite guts
journal, February 2014
- Brune, Andreas
- Nature Reviews Microbiology, Vol. 12, Issue 3
The carbohydrate-active enzymes database (CAZy) in 2013
journal, November 2013
- Lombard, Vincent; Golaconda Ramulu, Hemalatha; Drula, Elodie
- Nucleic Acids Research, Vol. 42, Issue D1
Acetogenesis from H 2 Plus CO 2 by Spirochetes from Termite Guts
journal, January 1999
- Leadbetter, J. R.; Schmidt, T. M.; Graber, J. R.
- Science, Vol. 283, Issue 5402
Construction of soil environmental DNA cosmid libraries and screening for clones that produce biologically active small molecules
journal, May 2007
- Brady, Sean F.
- Nature Protocols, Vol. 2, Issue 5
Introducing mothur: Open-Source, Platform-Independent, Community-Supported Software for Describing and Comparing Microbial Communities
journal, October 2009
- Schloss, P. D.; Westcott, S. L.; Ryabin, T.
- Applied and Environmental Microbiology, Vol. 75, Issue 23, p. 7537-7541
Assembly of 913 microbial genomes from metagenomic sequencing of the cow rumen
journal, February 2018
- Stewart, Robert D.; Auffret, Marc D.; Warr, Amanda
- Nature Communications, Vol. 9, Issue 1
Metagenomic and functional analysis of hindgut microbiota of a wood-feeding higher termite
journal, November 2007
- Warnecke, Falk; Luginbühl, Peter; Ivanova, Natalia
- Nature, Vol. 450, Issue 7169
Catechol 2,3-dioxygenase and other meta -cleavage catabolic pathway genes in the ‘anaerobic’ termite gut spirochete Treponema primitia
journal, December 2013
- Lucey, Kaitlyn S.; Leadbetter, Jared R.
- Molecular Ecology, Vol. 23, Issue 6
Comparative Metagenomic and Metatranscriptomic Analysis of Hindgut Paunch Microbiota in Wood- and Dung-Feeding Higher Termites
journal, April 2013
- He, Shaomei; Ivanova, Natalia; Kirton, Edward
- PLoS ONE, Vol. 8, Issue 4
Screening of multimeric β-xylosidases from the gut microbiome of a higher termite, Globitermes brachycerastes
journal, January 2018
- Liu, Chunyan; Zou, Gen; Yan, Xing
- International Journal of Biological Sciences, Vol. 14, Issue 6
Treponema isoptericolens sp. nov., a novel spirochaete from the hindgut of the termite Incisitermes tabogae
journal, May 2008
- Droge, S.; Rachel, R.; Radek, R.
- INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, Vol. 58, Issue 5
Dominant ectosymbiotic bacteria of cellulolytic protists in the termite gut also have the potential to digest lignocellulose: Genome of ectosymbiont of protist in termite gut
journal, August 2015
- Yuki, Masahiro; Kuwahara, Hirokazu; Shintani, Masaki
- Environmental Microbiology, Vol. 17, Issue 12
Hydrolytic and phosphorolytic metabolism of cellobiose by the marine aerobic bacterium Saccharophagus degradans 2-40T
journal, February 2011
- Zhang, Haitao; Moon, Young Hwan; Watson, Brian J.
- Journal of Industrial Microbiology & Biotechnology, Vol. 38, Issue 8
Microbial β-Glucosidases: Cloning, Properties, and Applications
journal, January 2002
- Bhatia, Yukti; Mishra, Saroj; Bisaria, V. S.
- Critical Reviews in Biotechnology, Vol. 22, Issue 4, p. 375-407
Recognition and Degradation of Plant Cell Wall Polysaccharides by Two Human Gut Symbionts
journal, December 2011
- Martens, Eric C.; Lowe, Elisabeth C.; Chiang, Herbert
- PLoS Biology, Vol. 9, Issue 12
Correlation of cellulase gene expression and cellulolytic activity throughout the gut of the termite Reticulitermes flavipes
journal, June 2007
- Zhou, Xuguo; Smith, Joseph A.; Oi, Faith M.
- Gene, Vol. 395, Issue 1-2, p. 29-39
Reducing the Effects of PCR Amplification and Sequencing Artifacts on 16S rRNA-Based Studies
journal, December 2011
- Schloss, Patrick D.; Gevers, Dirk; Westcott, Sarah L.
- PLoS ONE, Vol. 6, Issue 12
The fibre-associated cellulolytic bacterial community in the hindgut of wood-feeding higher termites ( N asutitermes spp.) : The fibre-associated community of higher termites
journal, March 2014
- Mikaelyan, Aram; Strassert, Jürgen F. H.; Tokuda, Gaku
- Environmental Microbiology, Vol. 16, Issue 9
Profiling the metatranscriptome of the protistan community in Coptotermes formosanus with emphasis on the lignocellulolytic system
journal, April 2012
- Xie, Lei; Zhang, Lei; Zhong, Yi
- Genomics, Vol. 99, Issue 4
Classifying the bacterial gut microbiota of termites and cockroaches: A curated phylogenetic reference database (DictDb)
journal, October 2015
- Mikaelyan, Aram; Köhler, Tim; Lampert, Niclas
- Systematic and Applied Microbiology, Vol. 38, Issue 7
VizBin - an application for reference-independent visualization and human-augmented binning of metagenomic data
journal, January 2015
- Laczny, Cedric C.; Sternal, Tomasz; Plugaru, Valentin
- Microbiome, Vol. 3, Issue 1
Physiology and Nutrition of Treponema primitia, an H2/ CO2-Acetogenic Spirochete from Termite Hindguts
journal, March 2004
- Graber, J. R.; Breznak, J. A.
- Applied and Environmental Microbiology, Vol. 70, Issue 3
Biochemical characterization and crystal structure of a GH10 xylanase from termite gut bacteria reveal a novel structural feature and significance of its bacterial Ig-like domain: GH10 Xylanase and its Ig-Like Domain
journal, July 2013
- Han, Qian; Liu, Ning; Robinson, Howard
- Biotechnology and Bioengineering, Vol. 110, Issue 12
Crystal structure and putative function of small Toprim domain-containing protein from Bacillus stearothermophilus
journal, August 2007
- Řezáčová, Pavlína; Borek, Dominika; Moy, Shiu F.
- Proteins: Structure, Function, and Bioinformatics, Vol. 70, Issue 2
Genomic Analysis Reveals Multiple [FeFe] Hydrogenases and Hydrogen Sensors Encoded by Treponemes from the H2-Rich Termite Gut
journal, August 2011
- Ballor, Nicholas R.; Paulsen, Ian; Leadbetter, Jared R.
- Microbial Ecology, Vol. 63, Issue 2
Analysis of the bovine rumen microbiome reveals a diversity of Sus-like polysaccharide utilization loci from the bacterial phylum Bacteroidetes
journal, January 2014
- Rosewarne, Carly P.; Pope, Phillip B.; Cheung, Jane L.
- Journal of Industrial Microbiology & Biotechnology, Vol. 41, Issue 3
Characterization of a novel thermostable β-glucosidase from a metagenomic library of termite gut
journal, December 2012
- Wang, Qianfu; Qian, Changli; Zhang, Xiao-Zhou
- Enzyme and Microbial Technology, Vol. 51, Issue 6-7
A novel metagenome-derived gene cluster from termite hindgut: Encoding phosphotransferase system components and high glucose tolerant glucosidase
journal, March 2016
- Gao, Gang; Wang, An; Gong, Bo-Liang
- Enzyme and Microbial Technology, Vol. 84
Mixed-Mode Transmission Shapes Termite Gut Community Assemblies
journal, July 2018
- da Costa, Rafael R.; Poulsen, Michael
- Trends in Microbiology, Vol. 26, Issue 7
Niches of two polysaccharide-degrading Polaribacter isolates from the North Sea during a spring diatom bloom
journal, December 2014
- Xing, Peng; Hahnke, Richard L.; Unfried, Frank
- The ISME Journal, Vol. 9, Issue 6
Metagenomic and functional analysis of hindgut microbiota of a wood-feeding higher termite
journal, November 2007
- Warnecke, Falk; Luginbühl, Peter; Ivanova, Natalia
- Nature, Vol. 450, Issue 7169
Construction of soil environmental DNA cosmid libraries and screening for clones that produce biologically active small molecules
journal, May 2007
- Brady, Sean F.
- Nature Protocols, Vol. 2, Issue 5
Symbiotic digestion of lignocellulose in termite guts
journal, February 2014
- Brune, Andreas
- Nature Reviews Microbiology, Vol. 12, Issue 3
Complementary symbiont contributions to plant decomposition in a fungus-farming termite
journal, September 2014
- Poulsen, Michael; Hu, Haofu; Li, Cai
- Proceedings of the National Academy of Sciences, Vol. 111, Issue 40
Gill bacteria enable a novel digestive strategy in a wood-feeding mollusk
journal, November 2014
- O’Connor, Roberta M.; Fung, Jennifer M.; Sharp, Koty H.
- Proceedings of the National Academy of Sciences, Vol. 111, Issue 47
Acetogenesis from H 2 plus CO 2 and nitrogen fixation by an endosymbiotic spirochete of a termite-gut cellulolytic protist
journal, May 2015
- Ohkuma, Moriya; Noda, Satoko; Hattori, Satoshi
- Proceedings of the National Academy of Sciences, Vol. 112, Issue 33
Metabolomic profiling of 13 C-labelled cellulose digestion in a lower termite: insights into gut symbiont function
journal, August 2014
- Tokuda, Gaku; Tsuboi, Yuuri; Kihara, Kumiko
- Proceedings of the Royal Society B: Biological Sciences, Vol. 281, Issue 1789
The fibre-associated cellulolytic bacterial community in the hindgut of wood-feeding higher termites ( N asutitermes spp.) : The fibre-associated community of higher termites
journal, March 2014
- Mikaelyan, Aram; Strassert, Jürgen F. H.; Tokuda, Gaku
- Environmental Microbiology, Vol. 16, Issue 9
Regulation of sugar transport and metabolism in lactic acid bacteria
journal, September 1987
- Thompson, John
- FEMS Microbiology Letters, Vol. 46, Issue 3
Description of Treponema azotonutricium sp. nov. and Treponema primitia sp. nov., the First Spirochetes Isolated from Termite Guts
journal, March 2004
- Graber, Joseph R.; Leadbetter, Jared R.; Breznak, John A.
- Applied and Environmental Microbiology, Vol. 70, Issue 3
Reducing the Effects of PCR Amplification and Sequencing Artifacts on 16S rRNA-Based Studies
journal, December 2011
- Schloss, Patrick D.; Gevers, Dirk; Westcott, Sarah L.
- PLoS ONE, Vol. 6, Issue 12