Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Whither the genus Caldicellulosiruptor and the order Thermoanaerobacterales: phylogeny, taxonomy, ecology, and phenotype

Journal Article · · Frontiers in Microbiology
 [1];  [2];  [2];  [3];  [2]
  1. North Carolina State University, Raleigh, NC (United States); North Carolina State Univ., Raleigh, NC (United States)
  2. North Carolina State University, Raleigh, NC (United States)
  3. Univ. of Georgia, Athens, GA (United States)
The order Thermoanaerobacterales currently consists of fermentative anaerobic bacteria, including the genus Caldicellulosiruptor. Caldicellulosiruptor are represented by thirteen species; all, but one, have closed genome sequences. Interest in these extreme thermophiles has been motivated not only by their high optimal growth temperatures (≥70°C), but also by their ability to hydrolyze polysaccharides including, for some species, both xylan and microcrystalline cellulose. Caldicellulosiruptor species have been isolated from geographically diverse thermal terrestrial environments located in New Zealand, China, Russia, Iceland and North America. Evidence of their presence in other terrestrial locations is apparent from metagenomic signatures, including volcanic ash in permafrost. Here, phylogeny and taxonomy of the genus Caldicellulosiruptor was re-examined in light of new genome sequences. Based on genome analysis of 15 strains, a new order, Caldicellulosiruptorales, is proposed containing the family Caldicellulosiruptoraceae, consisting of two genera, Caldicellulosiruptor and Anaerocellum. Furthermore, the order Thermoanaerobacterales also was re-assessed, using 91 genome-sequenced strains, and should now include the family Thermoanaerobacteraceae containing the genera Thermoanaerobacter, Thermoanaerobacterium, Caldanaerobacter, the family Caldanaerobiaceae containing the genus Caldanaerobius, and the family Calorimonaceae containing the genus Calorimonas. A main outcome of ANI/AAI analysis indicates the need to reclassify several previously designated species in the Thermoanaerobacterales and Caldicellulosiruptorales by condensing them into strains of single species. Comparative genomics of carbohydrate-active enzyme inventories suggested differentiating phenotypic features, even among strains of the same species, reflecting available nutrients and ecological roles in their native biotopes.
Research Organization:
Univ. of Georgia, Athens, GA (United States)
Sponsoring Organization:
National Institutes of Health (NIH); USDOE Office of Science (SC), Biological and Environmental Research (BER); USDoEd
Grant/Contract Number:
SC0019391; SC0022192
OSTI ID:
2422502
Journal Information:
Frontiers in Microbiology, Journal Name: Frontiers in Microbiology Vol. 14; ISSN 1664-302X
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

References (96)

Parsing in vivo and in vitro contributions to microcrystalline cellulose hydrolysis by multidomain glycoside hydrolases in the Caldicellulosiruptor bescii secretome journal July 2018
Metabolically engineered Caldicellulosiruptor bescii as a platform for producing acetone and hydrogen from lignocellulose journal August 2020
Robust Identification of Orthologues and Paralogues for Microbial Pan-Genomics Using GET_HOMOLOGUES: A Case Study of pIncA/C Plasmids book January 2015
Predicting Secretory Proteins with SignalP book January 2017
Isolation and characterization of an extremely thermophilic, cellulolytic, anaerobic bacterium journal November 1988
Thermoanaerobium acetigenum spec. nov., a new anaerobic, extremely thermophilic, xylanolytic non-spore-forming bacterium isolated from an Icelandic hot spring journal May 1993
Isolation and characterization of Caldicellulosiruptor lactoaceticus sp. nov., an extremely thermophilic, cellulolytic, anaerobic bacterium journal March 1995
A biphasic approach to the determination of the phenotypic and genotypic diversity of some anaerobic, cellulolytic, thermophilic, rod-shaped bacteria journal January 1994
Unusual microorganisms observed in New Zealand hot springs journal June 1986
Community Analysis of Plant Biomass-Degrading Microorganisms from Obsidian Pool, Yellowstone National Park journal October 2014
Microbial diversity in Tunisian geothermal springs as detected by molecular and culture-based approaches journal September 2010
High abundance of heterotrophic prokaryotes in hydrothermal springs of the Azores as revealed by a network of 16S rRNA gene-based methods journal May 2013
The biology and biotechnology of the genus Caldicellulosiruptor: recent developments in ‘Caldi World’ journal July 2019
Mining of hemicellulose and lignin degrading genes from differentially enriched methane producing microbial community journal September 2016
Plant biomass fermentation by the extreme thermophile Caldicellulosiruptor bescii for co-production of green hydrogen and acetone: Technoeconomic analysis journal March 2022
Fermentative conversion of unpretreated plant biomass: A thermophilic threshold for indigenous microbial growth journal January 2023
Extremely thermophilic microorganisms for biomass conversion status and prospects journal June 2008
Extremely thermophilic energy metabolisms: biotechnological prospects journal June 2017
An extremely thermophilic anaerobic bacterium Caldicellulosiruptor sp. F32 exhibits distinctive properties in growth and xylanases during xylan hydrolysis journal August 2013
Hydrogen production from cellulose by co-culture of Clostridium thermocellum JN4 and Thermoanaerobacterium thermosaccharolyticum GD17 journal June 2008
Extreme-thermophilic biohydrogen production from lignocellulosic bioethanol distillery wastewater with community analysis of hydrogen-producing microflora journal July 2011
Community analysis of thermophilic hydrogen-producing consortia enriched from Thailand hot spring with mixed xylose and glucose journal October 2011
Microbial dynamics of the extreme-thermophilic (70 °C) mixed culture for hydrogen production in a chemostat journal July 2016
Dynamic bacterial community changes in the autothermal thermophilic aerobic digestion process with cell lysis activities, shaking and temperature increase journal August 2018
Engineering redox-balanced ethanol production in the cellulolytic and extremely thermophilic bacterium, Caldicellulosiruptor bescii journal December 2018
The hot spring and geyser sinters of El Tatio, Northern Chile journal October 2005
Microbiota composition, gene pool and its expression in Gir cattle (Bos indicus) rumen under different forage diets using metagenomic and metatranscriptomic approaches journal July 2018
Taxonomic proposal for a deep branching bacterial phylogenetic lineage: transfer of the family Thermodesulfobiaceae to Thermodesulfobiales ord. nov., Thermodesulfobiia classis nov. and Thermodesulfobiota phyl. nov journal January 2023
Engineering Clostridium organisms as microbial cell-factories: challenges & opportunities journal November 2018
Metaproteomics of cellulose methanisation under thermophilic conditions reveals a surprisingly high proteolytic activity journal August 2013
Fast, scalable generation of high‐quality protein multiple sequence alignments using Clustal Omega journal January 2011
A standardized bacterial taxonomy based on genome phylogeny substantially revises the tree of life journal August 2018
Uniting the classification of cultured and uncultured bacteria and archaea using 16S rRNA gene sequences journal August 2014
Quantitative fermentation of unpretreated transgenic poplar by Caldicellulosiruptor bescii journal August 2019
A complete domain-to-species taxonomy for Bacteria and Archaea journal April 2020
Genomics and taxonomy in diagnostics for food security: soft-rotting enterobacterial plant pathogens journal January 2016
Shifting the genomic gold standard for the prokaryotic species definition journal October 2009
Direct conversion of plant biomass to ethanol by engineered Caldicellulosiruptor bescii journal June 2014
Multidomain, Surface Layer-associated Glycoside Hydrolases Contribute to Plant Polysaccharide Degradation by Caldicellulosiruptor Species journal January 2016
Unique Microbial Community in Drilling Fluids from Chinese Continental Scientific Drilling journal September 2006
Characterization of a thermostable recombinant β-galactosidase from a thermophilic anaerobic bacterial consortium YTY-70 journal February 2015
Biogeochemical Characteristics of Earth's Volcanic Permafrost: An Analog of Extraterrestrial Environments journal July 2022
GTDB-Tk v2: memory friendly classification with the genome taxonomy database journal October 2022
Interactive Tree Of Life (iTOL): an online tool for phylogenetic tree display and annotation journal October 2006
GTDB-Tk: a toolkit to classify genomes with the Genome Taxonomy Database journal November 2019
Microbial ecology of the atmosphere journal February 2022
The carbohydrate-active enzyme database: functions and literature journal November 2021
GTDB: an ongoing census of bacterial and archaeal diversity through a phylogenetically consistent, rank normalized and complete genome-based taxonomy journal September 2021
dbCAN3: automated carbohydrate-active enzyme and substrate annotation journal May 2023
dbCAN2: a meta server for automated carbohydrate-active enzyme annotation journal May 2018
Dendroscope 3: An Interactive Tool for Rooted Phylogenetic Trees and Networks journal September 2012
Caldicellulosiruptor kristjanssonii sp. nov., a cellulolytic, extremely thermophilic, anaerobic bacterium journal July 1999
Classification of 'Anaerocellum thermophilum' strain DSM 6725 as Caldicellulosiruptor bescii sp. nov. journal October 2009
Towards a taxonomic coherence between average nucleotide identity and 16S rRNA gene sequence similarity for species demarcation of prokaryotes journal February 2014
Caldicellulosiruptor changbaiensis sp. nov., a cellulolytic and hydrogen-producing bacterium from a hot spring journal October 2014
Reclassification of Thermoanaerobium acetigenum as Caldicellulosiruptor acetigenus comb. nov. and emendation of the genus description journal June 2006
Caldicellulosiruptor kronotskyensis sp. nov. and Caldicellulosiruptor hydrothermalis sp. nov., two extremely thermophilic, cellulolytic, anaerobic bacteria from Kamchatka thermal springs journal June 2008
Zhaonella formicivorans gen. nov., sp. nov., an anaerobic formate-utilizing bacterium isolated from Shengli oilfield, and proposal of four novel families and Moorellales ord. nov. in the phylum Firmicutes journal May 2020
Genome-based reclassification of Caldicellulosiruptor lactoaceticus and Caldicellulosiruptor kristjanssonii as later heterotypic synonyms of Caldicellulosiruptor acetigenus journal August 2021
Caldicellulosiruptor diazotrophicus sp. nov., a thermophilic, nitrogen-fixing fermentative bacterium isolated from a terrestrial hot spring in Japan journal September 2021
Valid publication of the names of forty-two phyla of prokaryotes journal October 2021
Thermophilic lignocellulose deconstruction journal May 2014
Anaerobic microbiology of an alkaline Icelandic hot spring journal January 2006
Description of Caldicellulosiruptor saccharolyticus gen. nov., sp. nov: An obligately anaerobic, extremely thermophilic, cellulolytic bacterium journal July 1994
A Highly Thermostable Kanamycin Resistance Marker Expands the Tool Kit for Genetic Manipulation of Caldicellulosiruptor bescii journal May 2016
Hydrogenomics of the Extremely Thermophilic Bacterium Caldicellulosiruptor saccharolyticus journal September 2008
Phylogenetic, Microbiological, and Glycoside Hydrolase Diversities within the Extremely Thermophilic, Plant Biomass-Degrading Genus Caldicellulosiruptor journal October 2010
Functional Analysis of the Glucan Degradation Locus in Caldicellulosiruptor bescii Reveals Essential Roles of Component Glycoside Hydrolases in Plant Biomass Deconstruction journal October 2017
Caldicellulosiruptor obsidiansis sp. nov., an Anaerobic, Extremely Thermophilic, Cellulolytic Bacterium Isolated from Obsidian Pool, Yellowstone National Park journal December 2009
GET_HOMOLOGUES, a Versatile Software Package for Scalable and Robust Microbial Pangenome Analysis journal October 2013
Genus-Wide Assessment of Lignocellulose Utilization in the Extremely Thermophilic Genus Caldicellulosiruptor by Genomic, Pangenomic, and Metagenomic Analyses journal February 2018
Metabolic Engineering of Clostridium acetobutylicum ATCC 824 for Isopropanol-Butanol-Ethanol Fermentation journal December 2011
Genome Sequence of the Anaerobic, Thermophilic, and Cellulolytic Bacterium "Anaerocellum thermophilum" DSM 6725 journal April 2009
Complete Genome Sequence of the Cellulolytic Thermophile Caldicellulosiruptor obsidiansis OB47T journal September 2010
Complete Genome Sequences for the Anaerobic, Extremely Thermophilic Plant Biomass-Degrading Bacteria Caldicellulosiruptor hydrothermalis, Caldicellulosiruptor kristjanssonii, Caldicellulosiruptor kronotskyensis, Caldicellulosiruptor owensensis, and Caldicellulosiruptor lactoaceticus journal January 2011
Complete Genome Sequence of Caldicellulosiruptor changbaiensis CBS-Z, an Extremely Thermophilic, Cellulolytic Bacterium Isolated from a Hot Spring in China journal February 2019
Engineering Caldicellulosiruptor bescii with Surface Layer Homology Domain-Linked Glycoside Hydrolases Improves Plant Biomass Solubilization journal October 2022
Biochemical and Regulatory Analyses of Xylanolytic Regulons in Caldicellulosiruptor bescii Reveal Genus-Wide Features of Hemicellulose Utilization journal November 2022
Isolation of Cellulolytic Anaerobic Extreme Thermophiles from New Zealand Thermal Sites journal April 1987
Xylanase from the extremely thermophilic bacterium "Caldocellum saccharolyticum": overexpression of the gene in Escherichia coli and characterization of the gene product. journal January 1990
The beta-mannanase from "Caldocellum saccharolyticum" is part of a multidomain enzyme. journal January 1992
Complete Genome Sequences of Caldicellulosiruptor sp. Strain Rt8.B8, Caldicellulosiruptor sp. Strain Wai35.B1, and “ Thermoanaerobacter cellulolyticus journal May 2015
Stay or Go: Sulfolobales Biofilm Dispersal Is Dependent on a Bifunctional VapB Antitoxin journal April 2023
Complete Genome Sequences of Caldicellulosiruptor acetigenus DSM 7040, Caldicellulosiruptor morganii DSM 8990 (RT8.B8), and Caldicellulosiruptor naganoensis DSM 8991 (NA10) journal March 2023
Direct and Inverse Solutions of Geodesics on the Ellipsoid with Application of Nested Equations journal April 1975
Characterization of a biogas-producing microbial community by short-read next generation DNA sequencing journal January 2012
Single-step ethanol production from lignocellulose using novel extremely thermophilic bacteria journal January 2013
Microbial diversity and community composition of caecal microbiota in commercial and indigenous Indian chickens determined using 16s rDNA amplicon sequencing journal June 2018
Diversity of Thermophilic Anaerobes journal March 2008
Comparative Analysis of Bacterial and Archaeal Communities in Methanogenic Sludge Granules from Upflow Anaerobic Sludge Blanket Reactors Treating Various Food-Processing, High-Strength Organic Wastewaters journal January 2009
Nitrogen Fixation in Thermophilic Chemosynthetic Microbial Communities Depending on Hydrogen, Sulfate, and Carbon Dioxide journal January 2018
Nitrogen-fixing Ability and Nitrogen Fixation-related Genes of Thermophilic Fermentative Bacteria in the Genus Caldicellulosiruptor journal January 2021
FastTree 2 – Approximately Maximum-Likelihood Trees for Large Alignments journal March 2010
Extremely thermophilic microorganisms as metabolic engineering platforms for production of fuels and industrial chemicals journal November 2015
“Freezing” Thermophiles: From One Temperature Extreme to Another journal December 2022
Insights into Thermophilic Plant Biomass Hydrolysis from Caldicellulosiruptor Systems Biology journal March 2020