1
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Thongbunrod N, Chaiprasert P. Efficient methane production from agro-industrial residues using anaerobic fungal-rich consortia. World J Microbiol Biotechnol 2024; 40:239. [PMID: 38862848 DOI: 10.1007/s11274-024-04050-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 06/09/2024] [Indexed: 06/13/2024]
Abstract
Anaerobic digestion (AD) emerges as a pivotal technique in climate change mitigation, transforming organic materials into biogas, a renewable energy form. This process significantly impacts energy production and waste management, influencing greenhouse gas emissions. Traditional research has largely focused on anaerobic bacteria and methanogens for methane production. However, the potential of anaerobic lignocellulolytic fungi for degrading lignocellulosic biomass remains less explored. In this study, buffalo rumen inocula were enriched and acclimatized to improve lignocellulolytic hydrolysis activity. Two consortia were established: the anaerobic fungi consortium (AFC), selectively enriched for fungi, and the anaerobic lignocellulolytic microbial consortium (ALMC). The consortia were utilized to create five distinct microbial cocktails-AF0, AF20, AF50, AF80, and AF100. These cocktails were formulated based on varying of AFC and ALMC by weights (w/w). Methane production from each cocktail of lignocellulosic biomasses (cassava pulp and oil palm residues) was evaluated. The highest methane yields of CP, EFB, and MFB were obtained at 337, 215, and 54 mL/g VS, respectively. Cocktails containing a mix of anaerobic fungi, hydrolytic bacteria (Sphingobacterium sp.), syntrophic bacteria (Sphaerochaeta sp.), and hydrogenotrophic methanogens produced 2.1-2.6 times higher methane in cassava pulp and 1.1-1.2 times in oil palm empty fruit bunch compared to AF0. All cocktails effectively produced methane from oil palm empty fruit bunch due to its lipid content. However, methane production ceased after 3 days when oil palm mesocarp fiber was used, due to long-chain fatty acid accumulation. Anaerobic fungi consortia showed effective lignocellulosic and starchy biomass degradation without inhibition due to organic acid accumulation. These findings underscore the potential of tailored microbial cocktails for enhancing methane production from diverse lignocellulosic substrates.
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Affiliation(s)
- Nitiya Thongbunrod
- Biotechnology Program, School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand
| | - Pawinee Chaiprasert
- Biotechnology Program, School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand.
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2
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Kara K, Yılmaz S, Önel SE, Özbilgin A. Effects of plantago species herbage and silage on in vitro ruminal fermentation and microbiome. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2139201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kanber Kara
- Faculty of Veterinary Medicine, Department of Animal Nutrition and Nutritional Diseases, Erciyes University, Kayseri, Türkiye
| | - Sena Yılmaz
- Faculty of Veterinary Medicine, Department of Animal Nutrition and Nutritional Diseases, Erciyes University, Kayseri, Türkiye
| | - Süleyman Ercüment Önel
- Faculty of Veterinary Medicine, Department of Animal Nutrition and Nutritional Diseases, Hatay Mustafa Kemal University, Hatay, Türkiye
| | - Abdullah Özbilgin
- Faculty of Veterinary Medicine, Department of Animal Nutrition and Nutritional Diseases, Sivas Cumhuriyet University, Sivas, Türkiye
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3
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Wylensek D, Hitch TCA, Riedel T, Afrizal A, Kumar N, Wortmann E, Liu T, Devendran S, Lesker TR, Hernández SB, Heine V, Buhl EM, M D'Agostino P, Cumbo F, Fischöder T, Wyschkon M, Looft T, Parreira VR, Abt B, Doden HL, Ly L, Alves JMP, Reichlin M, Flisikowski K, Suarez LN, Neumann AP, Suen G, de Wouters T, Rohn S, Lagkouvardos I, Allen-Vercoe E, Spröer C, Bunk B, Taverne-Thiele AJ, Giesbers M, Wells JM, Neuhaus K, Schnieke A, Cava F, Segata N, Elling L, Strowig T, Ridlon JM, Gulder TAM, Overmann J, Clavel T. A collection of bacterial isolates from the pig intestine reveals functional and taxonomic diversity. Nat Commun 2020; 11:6389. [PMID: 33319778 PMCID: PMC7738495 DOI: 10.1038/s41467-020-19929-w] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/02/2020] [Indexed: 02/08/2023] Open
Abstract
Our knowledge about the gut microbiota of pigs is still scarce, despite the importance of these animals for biomedical research and agriculture. Here, we present a collection of cultured bacteria from the pig gut, including 110 species across 40 families and nine phyla. We provide taxonomic descriptions for 22 novel species and 16 genera. Meta-analysis of 16S rRNA amplicon sequence data and metagenome-assembled genomes reveal prevalent and pig-specific species within Lactobacillus, Streptococcus, Clostridium, Desulfovibrio, Enterococcus, Fusobacterium, and several new genera described in this study. Potentially interesting functions discovered in these organisms include a fucosyltransferase encoded in the genome of the novel species Clostridium porci, and prevalent gene clusters for biosynthesis of sactipeptide-like peptides. Many strains deconjugate primary bile acids in in vitro assays, and a Clostridium scindens strain produces secondary bile acids via dehydroxylation. In addition, cells of the novel species Bullifex porci are coccoidal or spherical under the culture conditions tested, in contrast with the usual helical shape of other members of the family Spirochaetaceae. The strain collection, called ‘Pig intestinal bacterial collection’ (PiBAC), is publicly available at www.dsmz.de/pibac and opens new avenues for functional studies of the pig gut microbiota. The authors present a public collection of 117 bacterial isolates from the pig gut, including the description of 38 novel taxa. Interesting functions discovered in these organisms include a new fucosyltransferease and sactipeptide-like molecules encoded by biosynthetic gene clusters.
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Affiliation(s)
- David Wylensek
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany
| | - Thomas C A Hitch
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany
| | - Thomas Riedel
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany.,German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Braunschweig, Germany
| | - Afrizal Afrizal
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany
| | - Neeraj Kumar
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany.,ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Esther Wortmann
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany
| | - Tianzhe Liu
- Chair of Technical Biochemistry, Technical University of Dresden, Dresden, Germany
| | - Saravanan Devendran
- Microbiome Metabolic Engineering Theme, Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA.,Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Till R Lesker
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Sara B Hernández
- Laboratory for Molecular Infection Medicine Sweden (MIMS), Department of Molecular Biology, Umeå University, Umeå, Sweden
| | - Viktoria Heine
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Eva M Buhl
- Electron Microscopy Facility, Institute of Pathology, RWTH University Hospital, Aachen, Germany
| | - Paul M D'Agostino
- Chair of Technical Biochemistry, Technical University of Dresden, Dresden, Germany
| | - Fabio Cumbo
- Department CIBIO, University of Trento, Trento, Italy
| | - Thomas Fischöder
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Marzena Wyschkon
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany.,German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Braunschweig, Germany
| | - Torey Looft
- National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, IA, USA
| | - Valeria R Parreira
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Canada
| | - Birte Abt
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany.,German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Braunschweig, Germany
| | - Heidi L Doden
- Microbiome Metabolic Engineering Theme, Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA.,Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Lindsey Ly
- Microbiome Metabolic Engineering Theme, Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA.,Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - João M P Alves
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Krzysztof Flisikowski
- Chair of Livestock Biotechnology, Weihenstephan School of Life Science, Technical University of Munich, Freising, Germany
| | - Laura Navarro Suarez
- Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Hamburg, Germany
| | - Anthony P Neumann
- Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, USA
| | - Garret Suen
- Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, USA
| | | | - Sascha Rohn
- Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Hamburg, Germany.,Institute of Food Technolgy and Food Chemistry, Technische Universität Berlin, Berlin, Germany
| | - Ilias Lagkouvardos
- ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany.,Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Center of Marine Research, Heraklion, Greece
| | - Emma Allen-Vercoe
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Canada
| | - Cathrin Spröer
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Boyke Bunk
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Anja J Taverne-Thiele
- Host-Microbe Interactomics Group, Department of Animal Science, Wageningen University, Wageningen, The Netherlands
| | - Marcel Giesbers
- Electron Microscopy Center, Wageningen University, Wageningen, The Netherlands
| | - Jerry M Wells
- Host-Microbe Interactomics Group, Department of Animal Science, Wageningen University, Wageningen, The Netherlands
| | - Klaus Neuhaus
- ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Angelika Schnieke
- ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany.,Chair of Livestock Biotechnology, Weihenstephan School of Life Science, Technical University of Munich, Freising, Germany
| | - Felipe Cava
- Laboratory for Molecular Infection Medicine Sweden (MIMS), Department of Molecular Biology, Umeå University, Umeå, Sweden
| | - Nicola Segata
- Department CIBIO, University of Trento, Trento, Italy
| | - Lothar Elling
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Till Strowig
- Department of Microbial Immune Regulation, Helmholtz Centre for Infection Research, Braunschweig, Germany.,Hannover Medical School, Hannover, Germany
| | - Jason M Ridlon
- Microbiome Metabolic Engineering Theme, Carl R. Woese Institute for Genomic Biology, Urbana, IL, USA.,Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Tobias A M Gulder
- Chair of Technical Biochemistry, Technical University of Dresden, Dresden, Germany
| | - Jörg Overmann
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany.,German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Braunschweig, Germany
| | - Thomas Clavel
- Functional Microbiome Research Group, RWTH University Hospital, Aachen, Germany.
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4
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Bidzhieva SK, Sokolova DS, Grouzdev DS, Kostrikina NA, Poltaraus AB, Tourova TP, Shcherbakova VA, Troshina OY, Nazina TN. Sphaerochaeta halotolerans sp. nov., a novel spherical halotolerant spirochete from a Russian heavy oil reservoir, emended description of the genus Sphaerochaeta, reclassification of Sphaerochaeta coccoides to a new genus Parasphaerochaeta gen. nov. as Parasphaerochaeta coccoides comb. nov. and proposal of Sphaerochaetaceae fam. nov. Int J Syst Evol Microbiol 2020; 70:4748-4759. [PMID: 32697184 DOI: 10.1099/ijsem.0.004340] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Anaerobic, fermentative, halotolerant bacteria, strains 4-11T and 585, were isolated from production water of two low-temperature petroleum reservoirs (Russia) and were characterized by using a polyphasic approach. Cells of the strains were spherical, non-motile and 0.30-2.5 µm in diameter. Strain 4-11T grew optimally at 35 °C, pH 6.0 and 1.0-2.0% (w/v) NaCl. Both strains grew chemoorganotrophically with mono-, di- and trisaccharides. The major cellular fatty acids of both strains were C14:0, C16:0, C16:1 ω9 and C18:0 3-OH. Major polar lipids were glycolipids and phospholipids. The 16S rRNA gene sequences of the strains 4-11T and 585 had 99.9% similarity and were most closely related to the sequence of Sphaerochaeta associata GLS2T (96.9, and 97.0% similarity, respectively). The G+C content of the genomic DNA of strains 4-11T and 585 were 46.8 and 46.9%, respectively. The average nucleotide identity and digital DNA-DNA hybridization values between the genomes of strain 4-11T and S. associata GLS2T were 73.0 and 16.9%, respectively. Results of phylogenomic metrics analysis of the genomes and 120 core proteins of strains 4-11T and 585 and their physiological and biochemical characteristics confirmed that the strains represented a novel species of the genus Sphaerochaeta, for which the name Sphaerochaeta halotolerans sp. nov. is proposed, with the type strain 4-11T (=VKM B-3269T=KCTC 15833T). Based on the results of phylogenetic analysis, Sphaerochaeta coccoides was reclassified as member of a new genus Parasphaerochaeta gen. nov., Parasphaerochaeta coccoides comb. nov. The genera Sphaerochaeta and Parasphaerochaeta form a separate clade, for which a novel family, Sphaerochaetaceae fam. nov., is proposed.
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Affiliation(s)
- Salimat Kh Bidzhieva
- Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Diyana Sh Sokolova
- Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Denis S Grouzdev
- Institute of Bioengineering, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/1, Moscow, 117312, Russia
| | - Nadezhda A Kostrikina
- Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Andrey B Poltaraus
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, ul. Vavilova, 32, Moscow, 119991, Russia
| | - Tatyana P Tourova
- Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Viktoria A Shcherbakova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Olga Yu Troshina
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Tamara N Nazina
- Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Prospect 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
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5
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Auffret MD, Stewart RD, Dewhurst RJ, Duthie CA, Watson M, Roehe R. Identification of Microbial Genetic Capacities and Potential Mechanisms Within the Rumen Microbiome Explaining Differences in Beef Cattle Feed Efficiency. Front Microbiol 2020; 11:1229. [PMID: 32582125 PMCID: PMC7292206 DOI: 10.3389/fmicb.2020.01229] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/14/2020] [Indexed: 12/15/2022] Open
Abstract
In this study, Bos Taurus cattle offered one high concentrate diet (92% concentrate-8% straw) during two independent trials allowed us to classify 72 animals comprising of two cattle breeds as "Low" or "High" feed efficiency groups. Digesta samples were taken from individual beef cattle at the abattoir. After metagenomic sequencing, the rumen microbiome composition and genes were determined. Applying a targeted approach based on current biological evidence, 27 genes associated with host-microbiome interaction activities were selected. Partial least square analysis enabled the identification of the most significant genes and genera of feed efficiency (VIP > 0.8) across years of the trial and breeds when comparing all potential genes or genera together. As a result, limited number of genes explained about 40% of the variability in both feed efficiency indicators. Combining information from rumen metagenome-assembled genomes and partial least square analysis results, microbial genera carrying these genes were determined and indicated that a limited number of important genera impacting on feed efficiency. In addition, potential mechanisms explaining significant difference between Low and High feed efficiency animals were analyzed considering, based on the literature, their gastrointestinal location of action. High feed efficiency animals were associated with microbial species including several Eubacterium having the genetic capacity to form biofilm or releasing metabolites like butyrate or propionate known to provide a greater contribution to cattle energy requirements compared to acetate. Populations associated with fucose sensing or hemolysin production, both mechanisms specifically described in the lower gut by activating the immune system to compete with pathogenic colonizers, were also identified to affect feed efficiency using rumen microbiome information. Microbial mechanisms associated with low feed efficiency animals involved potential pathogens within Proteobacteria and Spirochaetales, releasing less energetic substrates (e.g., acetate) or producing sialic acid to avoid the host immune system. Therefore, this study focusing on genes known to be involved in host-microbiome interaction improved the identification of rumen microbial genetic capacities and potential mechanisms significantly impacting on feed efficiency in beef cattle fed high concentrate diet.
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Affiliation(s)
| | - Robert D. Stewart
- Division of Genetics and Genomics, The Roslin Institute and R(D)SVS, University of Edinburgh, Edinburgh, United Kingdom
| | | | | | - Mick Watson
- Division of Genetics and Genomics, The Roslin Institute and R(D)SVS, University of Edinburgh, Edinburgh, United Kingdom
- Edinburgh Genomics, The Roslin Institute and R(D)SVS, University of Edinburgh, Edinburgh, United Kingdom
| | - Rainer Roehe
- Scotland’s Rural College (SRUC), Edinburgh, United Kingdom
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6
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Hördt A, López MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Göker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. [PMID: 32373076 PMCID: PMC7179689 DOI: 10.3389/fmicb.2020.00468] [Citation(s) in RCA: 259] [Impact Index Per Article: 64.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 03/04/2020] [Indexed: 11/13/2022] Open
Abstract
The class Alphaproteobacteria is comprised of a diverse assemblage of Gram-negative bacteria that includes organisms of varying morphologies, physiologies and habitat preferences many of which are of clinical and ecological importance. Alphaproteobacteria classification has proved to be difficult, not least when taxonomic decisions rested heavily on a limited number of phenotypic features and interpretation of poorly resolved 16S rRNA gene trees. Despite progress in recent years regarding the classification of bacteria assigned to the class, there remains a need to further clarify taxonomic relationships. Here, draft genome sequences of a collection of genomes of more than 1000 Alphaproteobacteria and outgroup type strains were used to infer phylogenetic trees from genome-scale data using the principles drawn from phylogenetic systematics. The majority of taxa were found to be monophyletic but several orders, families and genera, including taxa recognized as problematic long ago but also quite recent taxa, as well as a few species were shown to be in need of revision. According proposals are made for the recognition of new orders, families and genera, as well as the transfer of a variety of species to other genera and of a variety of genera to other families. In addition, emended descriptions are given for many species mainly involving information on DNA G+C content and (approximate) genome size, both of which are confirmed as valuable taxonomic markers. Similarly, analysis of the gene content was shown to provide valuable taxonomic insights in the class. Significant incongruities between 16S rRNA gene and whole genome trees were not found in the class. The incongruities that became obvious when comparing the results of the present study with existing classifications appeared to be caused mainly by insufficiently resolved 16S rRNA gene trees or incomplete taxon sampling. Another probable cause of misclassifications in the past is the partially low overall fit of phenotypic characters to the sequence-based tree. Even though a significant degree of phylogenetic conservation was detected in all characters investigated, the overall fit to the tree varied considerably.
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Affiliation(s)
- Anton Hördt
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Marina García López
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Jan P. Meier-Kolthoff
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Marcel Schleuning
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Lisa-Maria Weinhold
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Prague, Czechia
| | - Brian J. Tindall
- Department of Microorganisms, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Sabine Gronow
- Department of Microorganisms, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - Nikos C. Kyrpides
- Department of Energy, Joint Genome Institute, Berkeley, CA, United States
| | - Tanja Woyke
- Department of Energy, Joint Genome Institute, Berkeley, CA, United States
| | - Markus Göker
- Department of Bioinformatics, Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
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7
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Stalder GL, Pinior B, Zwirzitz B, Loncaric I, Jakupović D, Vetter SG, Smith S, Posautz A, Hoelzl F, Wagner M, Hoffmann D, Kübber-Heiss A, Mann E. Gut microbiota of the European Brown Hare (Lepus europaeus). Sci Rep 2019; 9:2738. [PMID: 30804494 PMCID: PMC6390100 DOI: 10.1038/s41598-019-39638-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 01/21/2019] [Indexed: 12/14/2022] Open
Abstract
Diseases of the gastrointestinal tract due to changes in the bacterial flora have been described with increasing incidence in the European brown hare. Despite extensive demographic and phylogeographic research, little is known about the composition of its gut microbiota and how it might vary based on potential environmental or host factors. We analysed the intestinal and faecal microbiota of 3 hare populations by Illumina MiSeq 16S rRNA gene amplicon sequencing. The phyla and OTU abundance composition differed significantly between intestinal and faecal samples (PERMANOVA: P = 0.002 and P = 0.031, respectively), but in both sample types Firmicutes and Bacteroidetes dominated the microbial community composition (45.51% and 19.30% relative abundance). Intestinal samples contained an enrichment of Proteobacteria compared with faecal samples (15.71-fold change, P < 0.001). At OTU level, a significant enrichment with best BLAST hits to the Escherichia-Shigella group, Eubacterium limosum, Sphingomonas kyeonggiensis, Flintibacter butyricus and Blautia faecis were detected in intestinal samples (P < 0.05). In our statistical model, geographic location and possibly associated environmental factors had a greater impact on the microbiota composition than host factors. Population had a significant effect on the composition of abundant intestinal and faecal OTUs, and on the abundance of potential pathogenic bacteria of the family Enterobacteriaceae, regularly associated with intestinal dysbiosis in hares, in faecal samples. Our study is the first to describe the microbiota in brown hares and provides a foundation to generate hypothesis aiming to test the role of gut health in population fluctuations of the species.
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Affiliation(s)
- G L Stalder
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria.
| | - B Pinior
- Department for Farm Animals and Veterinary Public Health, Institute for Veterinary Public Health, University of Veterinary Medicine, Vienna, 1210, Vienna, Austria
| | - B Zwirzitz
- Department for Farm Animals and Veterinary Public Health, Institute of Milk Hygiene, Milk Technology and Food Science, University of Veterinary Medicine, Vienna, 1210, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Technopark 1C, 3430, Tulln, Austria
| | - I Loncaric
- Department of Pathobiology, Institute of Microbiology, University of Veterinary Medicine, Vienna, 1210, Vienna, Austria
| | - D Jakupović
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - S G Vetter
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - S Smith
- Konrad Lorenz Institute of Ethology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - A Posautz
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - F Hoelzl
- Konrad Lorenz Institute of Ethology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - M Wagner
- Department for Farm Animals and Veterinary Public Health, Institute of Milk Hygiene, Milk Technology and Food Science, University of Veterinary Medicine, Vienna, 1210, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Technopark 1C, 3430, Tulln, Austria
| | - D Hoffmann
- Game Conservancy Deutschland e. V., Schloßstrasse 1, 86732, Oettingen, Germany
| | - A Kübber-Heiss
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, 1160, Vienna, Austria
| | - E Mann
- Department for Farm Animals and Veterinary Public Health, Institute of Milk Hygiene, Milk Technology and Food Science, University of Veterinary Medicine, Vienna, 1210, Vienna, Austria
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8
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Draft Genome Sequence of a Fermenting Bacterium, " Sphaerochaeta halotolerans" 4-11 T, from a Low-Temperature Petroleum Reservoir in Russia. Microbiol Resour Announc 2018; 7:MRA01345-18. [PMID: 30533832 PMCID: PMC6284720 DOI: 10.1128/mra.01345-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/30/2018] [Indexed: 11/25/2022] Open
Abstract
The draft genome sequence of an anaerobic fermenting bacterium, “Sphaerochaeta halotolerans” strain 4-11T, isolated from formation water of a low-temperature petroleum reservoir in Russia is presented. The genome is annotated to elucidate the taxonomic position of the strain 4-11T and to extend the public genome database. The draft genome sequence of an anaerobic fermenting bacterium, “Sphaerochaeta halotolerans” strain 4-11T, isolated from formation water of a low-temperature petroleum reservoir in Russia is presented. The genome is annotated to elucidate the taxonomic position of the strain 4-11T and to extend the public genome database.
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Bidzhieva SK, Sokolova DS, Tourova TP, Nazina TN. Bacteria of the Genus Sphaerochaeta from Low-Temperature Heavy Oil Reservoirs (Russia). Microbiology (Reading) 2018. [DOI: 10.1134/s0026261718060048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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10
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1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. [DOI: 10.1038/nbt.3886] [Citation(s) in RCA: 179] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 04/21/2017] [Indexed: 12/16/2022]
Abstract
Abstract
We present 1,003 reference genomes that were sequenced as part of the Genomic Encyclopedia of Bacteria and Archaea (GEBA) initiative, selected to maximize sequence coverage of phylogenetic space. These genomes double the number of existing type strains and expand their overall phylogenetic diversity by 25%. Comparative analyses with previously available finished and draft genomes reveal a 10.5% increase in novel protein families as a function of phylogenetic diversity. The GEBA genomes recruit 25 million previously unassigned metagenomic proteins from 4,650 samples, improving their phylogenetic and functional interpretation. We identify numerous biosynthetic clusters and experimentally validate a divergent phenazine cluster with potential new chemical structure and antimicrobial activity. This Resource is the largest single release of reference genomes to date. Bacterial and archaeal isolate sequence space is still far from saturated, and future endeavors in this direction will continue to be a valuable resource for scientific discovery.
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Koelschbach JS, Mouttaki H, Pickl C, Heipieper HJ, Rachel R, Lawson PA, Meckenstock RU. Rectinema cohabitans gen. nov., sp. nov., a rod-shaped spirochaete isolated from an anaerobic naphthalene-degrading enrichment culture. Int J Syst Evol Microbiol 2017; 67:1288-1295. [DOI: 10.1099/ijsem.0.001799] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Janina S Koelschbach
- Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
- Universität Duisburg-Essen, Biofilm Centre, Universitätsstr. 5, 45141 Essen, Germany
| | - Housna Mouttaki
- Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
| | - Carolin Pickl
- Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
| | - Hermann J Heipieper
- Helmholtz Zentrum für Umweltforschung, Department of Environmental Biotechnology, Permoserstr. 15, 04318 Leipzig, Germany
| | - Reinhard Rachel
- Universität Regensburg, Zentrum für Elektronenmikroskopie der Fakultät für Biologie und Vorklinische Medizin, Universitätsstr. 31, 93053 Regensburg, Germany
| | - Paul A Lawson
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK 73019, USA
| | - Rainer U Meckenstock
- Universität Duisburg-Essen, Biofilm Centre, Universitätsstr. 5, 45141 Essen, Germany
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Arroua B, Ranchou-Peyruse A, Ranchou-Peyruse M, Magot M, Urios L, Grimaud R. Pleomorphochaeta caudata gen. nov., sp. nov., an anaerobic bacterium isolated from an offshore oil well, reclassification of Sphaerochaeta multiformis MO-SPC2T as Pleomorphochaeta multiformis MO-SPC2T comb. nov. as the type strain of this novel genus and emended description of the genus Sphaerochaeta. Int J Syst Evol Microbiol 2017; 67:417-424. [DOI: 10.1099/ijsem.0.001641] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Boussad Arroua
- CNRS/ Université de Pau & des Pays de l’Adour, IPREM UMR 5254, 64000, Pau, France
| | | | | | - Michel Magot
- CNRS/ Université de Pau & des Pays de l’Adour, IPREM UMR 5254, 64000, Pau, France
| | - Laurent Urios
- CNRS/ Université de Pau & des Pays de l’Adour, IPREM UMR 5254, 64000, Pau, France
| | - Régis Grimaud
- CNRS/ Université de Pau & des Pays de l’Adour, IPREM UMR 5254, 64000, Pau, France
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Biofilm plasmids with a rhamnose operon are widely distributed determinants of the 'swim-or-stick' lifestyle in roseobacters. ISME JOURNAL 2016; 10:2498-513. [PMID: 26953602 PMCID: PMC5030684 DOI: 10.1038/ismej.2016.30] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 01/12/2016] [Accepted: 01/24/2016] [Indexed: 12/17/2022]
Abstract
Alphaproteobacteria of the metabolically versatile Roseobacter group (Rhodobacteraceae) are abundant in marine ecosystems and represent dominant primary colonizers of submerged surfaces. Motility and attachment are the prerequisite for the characteristic 'swim-or-stick' lifestyle of many representatives such as Phaeobacter inhibens DSM 17395. It has recently been shown that plasmid curing of its 65-kb RepA-I-type replicon with >20 genes for exopolysaccharide biosynthesis including a rhamnose operon results in nearly complete loss of motility and biofilm formation. The current study is based on the assumption that homologous biofilm plasmids are widely distributed. We analyzed 33 roseobacters that represent the phylogenetic diversity of this lineage and documented attachment as well as swimming motility for 60% of the strains. All strong biofilm formers were also motile, which is in agreement with the proposed mechanism of surface attachment. We established transposon mutants for the four genes of the rhamnose operon from P. inhibens and proved its crucial role in biofilm formation. In the Roseobacter group, two-thirds of the predicted biofilm plasmids represent the RepA-I type and their physiological role was experimentally validated via plasmid curing for four additional strains. Horizontal transfer of these replicons was documented by a comparison of the RepA-I phylogeny with the species tree. A gene content analysis of 35 RepA-I plasmids revealed a core set of genes, including the rhamnose operon and a specific ABC transporter for polysaccharide export. Taken together, our data show that RepA-I-type biofilm plasmids are essential for the sessile mode of life in the majority of cultivated roseobacters.
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Troshina O, Oshurkova V, Suzina N, Machulin A, Ariskina E, Vinokurova N, Kopitsyn D, Novikov A, Shcherbakova V. Sphaerochaeta associata sp. nov., a spherical spirochaete isolated from cultures of Methanosarcina mazei JL01. Int J Syst Evol Microbiol 2015; 65:4315-4322. [DOI: 10.1099/ijsem.0.000575] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An anaerobic, saccharolytic bacterial strain designated GLS2T was isolated from aggregates of the psychrotolerant archaeon Methanosarcina mazei strain JL01 isolated from arctic permafrost. Bacterial cells were non-motile, spherical, ovoid and annular with diameter 0.2–4 μm. They were chemoorganoheterotrophs using a wide range of mono-, di- and trisaccharides as carbon and energy sources. The novel isolate required yeast extract and vitamins for growth. The bacteria exhibited resistance to a number of β-lactam antibiotics, rifampicin, streptomycin and vancomycin. Optimum growth was observed between 30 and 34 °C, at pH 6.8–7.5 and with 1–2 g NaCl l− 1. Isolate GLS2T was a strict anaerobe but it tolerated oxygen exposure. On the basis of 16S rRNA gene sequence similarity, strain GLS2T was shown to belong to the genus Sphaerochaeta within the family Spirochaetaceae. Its closest relatives were Sphaerochaeta globosa BuddyT (99.3 % 16S rRNA gene sequence similarity) and Sphaerochaeta pleomorpha GrapesT (95.4 % similarity). The G+C content of DNA was 47.2 mol%. The level of DNA–DNA hybridization between strains GLS2T and BuddyT was 34.7 ± 8.8 %. Major polar lipids were phosphoglycolipids, phospholipids and glycolipids; major fatty acids were C14 : 0, C16 : 0, C16 : 0 3-OH, C16 : 0 dimethyl acetal (DMA), C16 : 1n8 and C16 : 1 DMA; respiratory quinones were not detected. The results of DNA–DNA hybridization, physiological and biochemical tests demonstrated genotypic and phenotypic differentiation of strain GLS2T from the four species of the genus Sphaerochaeta with validly published names that allowed its separation into a new lineage at the species level. Strain GLS2T therefore represents a novel species, for which the name Sphaerochaeta associata sp. nov. is proposed, with the type strain GLS2T ( = DSM 26261T = VKM B-2742T).
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Affiliation(s)
- Olga Troshina
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Viktoria Oshurkova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Natalia Suzina
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Andrei Machulin
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Elena Ariskina
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Natalia Vinokurova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
| | - Dmitry Kopitsyn
- Gubkin Russian State University of Oil and Gas, Leninskiy Prospect 65-1, 119991 Moscow, Russia
| | - Andrei Novikov
- Gubkin Russian State University of Oil and Gas, Leninskiy Prospect 65-1, 119991 Moscow, Russia
| | - Viktoria Shcherbakova
- Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospect Nauki 5, Pushchino, Moscow region 142290, Russia
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Dubinina G, Grabovich M, Leshcheva N, Gronow S, Gavrish E, Akimov V. Spirochaeta sinaica sp. nov., a halophilic spirochaete isolated from a cyanobacterial mat. Int J Syst Evol Microbiol 2015; 65:3872-3877. [DOI: 10.1099/ijsem.0.000506] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A strain of free-living obligately anaerobic, halophilic spirochaete, SLT, was isolated from a sample of a cyanobacterial mat of the hypersaline Solar Lake, Sinai shore. The strain had motile helical cells, 0.35–0.40 × 6–10 μm. Strain SLT exhibited high resistance to NaCl among known halophilic spirochaetes growing at NaCl concentrations from 2 to 12 % (optimum growth at 7 %). The strain grew at temperatures from 10 to 32 °C (optimum at 28 °C) and pH from 6 to 8.5 (optimum at pH 7.0–7.5). Carbohydrates, but not alcohols, organic acids or nitrogenous compounds (peptone, yeast extract and amino acids), were used as energy substrates for growth. Ethanol, acetate, lactate, H2 and CO2 were the products of glucose fermentation. Sulfide was produced in the presence of S0 or thiosulfate in the medium. The DNA G+C content was 44.7 mol%. Based on 16S rRNA gene sequence analysis, strain SLT clustered within the genus Spirochaeta, exhibiting 94.2 and 93.7 % similarity with its closest relatives, Spirochaeta bajacaliforniensis DSM 160554T and Spirochaeta smaragdinae DSM 11293T, respectively; similarity with other species did not exceed 86 %. The phenotypic and chemotaxonomic characteristics of the strain, as well as the results of phylogenetic analysis support the classification of strain SLT as representing a novel species of the genus Spirochaeta, for which the name Spirochaeta sinaica sp. nov. is proposed. The type strain is SLT ( = DSM 14994 = UNIQEM U 783).
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Affiliation(s)
- Galina Dubinina
- Winogradsky Institute of Microbiology, Russian Academy of Sciences, , Prospekt 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Margarita Grabovich
- Faculty of Biology and Soil Science, Voronezh State University, Universitetskaya Pl., 1, Voronezh, 394893, Russia
| | - Nataliya Leshcheva
- Winogradsky Institute of Microbiology, Russian Academy of Sciences, , Prospekt 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
| | - Sabine Gronow
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Ekaterina Gavrish
- Department of Biology, , Northeastern University, Boston, MA 02115, USA
| | - Vladimir Akimov
- Winogradsky Institute of Microbiology, Russian Academy of Sciences, , Prospekt 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia
- G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Prospekt Nauki, 5, Pushchino, 142290, Russia
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Draft genome sequence of 'Treponema phagedenis' strain V1, isolated from bovine digital dermatitis. Stand Genomic Sci 2015; 10:67. [PMID: 26392840 PMCID: PMC4576374 DOI: 10.1186/s40793-015-0059-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 08/17/2015] [Indexed: 11/29/2022] Open
Abstract
‘Treponema phagedenis’ is considered to be a key agent in the pathogenesis of bovine digital dermatitis, an infectious foot condition of economic and animal welfare importance. We hereby report the draft sequence of ‘T. phagedenis’ strain V1. The draft genome assembly consists of 51 scaffolds comprising 3,129,551 bp and a GC-content of 39.9 %. Putative pathogenicity related factors have been identified in the genome that can be used in future studies to gain insight into the pathogenic mechanisms of ‘T. phagedenis’.
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17
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Spring S, Scheuner C, Göker M, Klenk HP. A taxonomic framework for emerging groups of ecologically important marine gammaproteobacteria based on the reconstruction of evolutionary relationships using genome-scale data. Front Microbiol 2015; 6:281. [PMID: 25914684 PMCID: PMC4391266 DOI: 10.3389/fmicb.2015.00281] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Accepted: 03/21/2015] [Indexed: 11/13/2022] Open
Abstract
In recent years a large number of isolates were obtained from saline environments that are phylogenetically related to distinct clades of oligotrophic marine gammaproteobacteria, which were originally identified in seawater samples using cultivation independent methods and are characterized by high seasonal abundances in coastal environments. To date a sound taxonomic framework for the classification of these ecologically important isolates and related species in accordance with their evolutionary relationships is missing. In this study we demonstrate that a reliable allocation of members of the oligotrophic marine gammaproteobacteria (OMG) group and related species to higher taxonomic ranks is possible by phylogenetic analyses of whole proteomes but also of the RNA polymerase beta subunit, whereas phylogenetic reconstructions based on 16S rRNA genes alone resulted in unstable tree topologies with only insignificant bootstrap support. The identified clades could be correlated with distinct phenotypic traits illustrating an adaptation to common environmental factors in their evolutionary history. Genome wide gene-content analyses revealed the existence of two distinct ecological guilds within the analyzed lineage of marine gammaproteobacteria which can be distinguished by their trophic strategies. Based on our results a novel order within the class Gammaproteobacteria is proposed, which is designated Cellvibrionales ord. nov. and comprises the five novel families Cellvibrionaceae fam. nov., Halieaceae fam. nov., Microbulbiferaceae fam. nov., Porticoccaceae fam. nov., and Spongiibacteraceae fam. nov.
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Affiliation(s)
- Stefan Spring
- Department Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures Braunschweig, Germany
| | - Carmen Scheuner
- Department Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures Braunschweig, Germany
| | - Markus Göker
- Department Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures Braunschweig, Germany
| | - Hans-Peter Klenk
- Department Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures Braunschweig, Germany ; School of Biology, Newcastle University Newcastle upon Tyne, UK
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Ben Hania W, Joseph M, Schumann P, Bunk B, Fiebig A, Spröer C, Klenk HP, Fardeau ML, Spring S. Complete genome sequence and description of Salinispira pacifica gen. nov., sp. nov., a novel spirochaete isolated form a hypersaline microbial mat. Stand Genomic Sci 2015. [PMID: 26203324 PMCID: PMC4511686 DOI: 10.1186/1944-3277-10-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
During a study of the anaerobic microbial community of a lithifying hypersaline microbial mat of Lake 21 on the Kiritimati atoll (Kiribati Republic, Central Pacific) strain L21-RPul-D2T was isolated. The closest phylogenetic neighbor was Spirochaeta africana Z-7692T that shared a 16S rRNA gene sequence identity value of 90% with the novel strain and thus was only distantly related. A comprehensive polyphasic study including determination of the complete genome sequence was initiated to characterize the novel isolate. Cells of strain L21-RPul-D2T had a size of 0.2 – 0.25 × 8–9 μm, were helical, motile, stained Gram-negative and produced an orange carotenoid-like pigment. Optimal conditions for growth were 35°C, a salinity of 50 g/l NaCl and a pH around 7.0. Preferred substrates for growth were carbohydrates and a few carboxylic acids. The novel strain had an obligate fermentative metabolism and produced ethanol, acetate, lactate, hydrogen and carbon dioxide during growth on glucose. Strain L21-RPul-D2T was aerotolerant, but oxygen did not stimulate growth. Major cellular fatty acids were C14:0, iso-C15:0, C16:0 and C18:0. The major polar lipids were an unidentified aminolipid, phosphatidylglycerol, an unidentified phospholipid and two unidentified glycolipids. Whole-cell hydrolysates contained L-ornithine as diagnostic diamino acid of the cell wall peptidoglycan. The complete genome sequence was determined and annotated. The genome comprised one circular chromosome with a size of 3.78 Mbp that contained 3450 protein-coding genes and 50 RNA genes, including 2 operons of ribosomal RNA genes. The DNA G + C content was determined from the genome sequence as 51.9 mol%. There were no predicted genes encoding cytochromes or enzymes responsible for the biosynthesis of respiratory lipoquinones. Based on significant differences to the uncultured type species of the genus Spirochaeta, S. plicatilis, as well as to any other phylogenetically related cultured species it is suggested to place strain L21-RPul-D2T (=DSM 27196T = JCM 18663T) in a novel species and genus, for which the name Salinispira pacifica gen. nov., sp. nov. is proposed.
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Affiliation(s)
- Wajdi Ben Hania
- Laboratoire de Microbiologie IRD, MIO, Aix Marseille Université, Marseille, France
| | - Manon Joseph
- Laboratoire de Microbiologie IRD, MIO, Aix Marseille Université, Marseille, France
| | - Peter Schumann
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Boyke Bunk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Anne Fiebig
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany ; Current address: Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Cathrin Spröer
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany ; Current address: School of Biology, Newcastle University, Newcastle upon Tyne, UK
| | - Marie-Laure Fardeau
- Laboratoire de Microbiologie IRD, MIO, Aix Marseille Université, Marseille, France
| | - Stefan Spring
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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Scheuner C, Tindall BJ, Lu M, Nolan M, Lapidus A, Cheng JF, Goodwin L, Pitluck S, Huntemann M, Liolios K, Pagani I, Mavromatis K, Ivanova N, Pati A, Chen A, Palaniappan K, Jeffries CD, Hauser L, Land M, Mwirichia R, Rohde M, Abt B, Detter JC, Woyke T, Eisen JA, Markowitz V, Hugenholtz P, Göker M, Kyrpides NC, Klenk HP. Complete genome sequence of Planctomyces brasiliensis type strain (DSM 5305(T)), phylogenomic analysis and reclassification of Planctomycetes including the descriptions of Gimesia gen. nov., Planctopirus gen. nov. and Rubinisphaera gen. nov. and emended descriptions of the order Planctomycetales and the family Planctomycetaceae. Stand Genomic Sci 2014; 9:10. [PMID: 25780503 PMCID: PMC4334474 DOI: 10.1186/1944-3277-9-10] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 06/16/2014] [Indexed: 12/21/2022] Open
Abstract
Planctomyces brasiliensis Schlesner 1990 belongs to the order Planctomycetales, which differs from other bacterial taxa by several distinctive features such as internal cell compartmentalization, multiplication by forming buds directly from the spherical, ovoid or pear-shaped mother cell and a cell wall consisting of a proteinaceous layer rather than a peptidoglycan layer. The first strains of P. brasiliensis, including the type strain IFAM 1448(T), were isolated from a water sample of Lagoa Vermelha, a salt pit near Rio de Janeiro, Brasil. This is the second completed genome sequence of a type strain of the genus Planctomyces to be published and the sixth type strain genome sequence from the family Planctomycetaceae. The 6,006,602 bp long genome with its 4,811 protein-coding and 54 RNA genes is a part of the G enomic E ncyclopedia of Bacteria and Archaea project. Phylogenomic analyses indicate that the classification within the Planctomycetaceae is partially in conflict with its evolutionary history, as the positioning of Schlesneria renders the genus Planctomyces paraphyletic. A re-analysis of published fatty-acid measurements also does not support the current arrangement of the two genera. A quantitative comparison of phylogenetic and phenotypic aspects indicates that the three Planctomyces species with type strains available in public culture collections should be placed in separate genera. Thus the genera Gimesia, Planctopirus and Rubinisphaera are proposed to accommodate P. maris, P. limnophilus and P. brasiliensis, respectively. Pronounced differences between the reported G + C content of Gemmata obscuriglobus, Singulisphaera acidiphila and Zavarzinella formosa and G + C content calculated from their genome sequences call for emendation of their species descriptions. In addition to other features, the range of G + C values reported for the genera within the Planctomycetaceae indicates that the descriptions of the family and the order should be emended.
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Affiliation(s)
- Carmen Scheuner
- DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany
| | - Brian J Tindall
- DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany
| | - Megan Lu
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Matt Nolan
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alla Lapidus
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Jan-Fang Cheng
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Lynne Goodwin
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Sam Pitluck
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Ioanna Pagani
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Amrita Pati
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Amy Chen
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Krishna Palaniappan
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Cynthia D Jeffries
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Loren Hauser
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Miriam Land
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Romano Mwirichia
- Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
| | - Manfred Rohde
- HZI – Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Birte Abt
- DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany
| | - John C Detter
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Tanja Woyke
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Jonathan A Eisen
- DOE Joint Genome Institute, Walnut Creek, California, USA
- University of California Davis Genome Center, Davis, California, USA
| | - Victor Markowitz
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Philip Hugenholtz
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Markus Göker
- DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany
| | - Nikos C Kyrpides
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hans-Peter Klenk
- DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany
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Meier-Kolthoff JP, Hahnke RL, Petersen J, Scheuner C, Michael V, Fiebig A, Rohde C, Rohde M, Fartmann B, Goodwin LA, Chertkov O, Reddy TBK, Pati A, Ivanova NN, Markowitz V, Kyrpides NC, Woyke T, Göker M, Klenk HP. Complete genome sequence of DSM 30083(T), the type strain (U5/41(T)) of Escherichia coli, and a proposal for delineating subspecies in microbial taxonomy. Stand Genomic Sci 2014; 9:2. [PMID: 25780495 PMCID: PMC4334874 DOI: 10.1186/1944-3277-9-2] [Citation(s) in RCA: 376] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 06/16/2014] [Indexed: 12/02/2022] Open
Abstract
Although Escherichia coli is the most widely studied bacterial model organism and often considered to be the model bacterium per se, its type strain was until now forgotten from microbial genomics. As a part of the G enomic E ncyclopedia of B acteria and A rchaea project, we here describe the features of E. coli DSM 30083(T) together with its genome sequence and annotation as well as novel aspects of its phenotype. The 5,038,133 bp containing genome sequence includes 4,762 protein-coding genes and 175 RNA genes as well as a single plasmid. Affiliation of a set of 250 genome-sequenced E. coli strains, Shigella and outgroup strains to the type strain of E. coli was investigated using digital DNA:DNA-hybridization (dDDH) similarities and differences in genomic G+C content. As in the majority of previous studies, results show Shigella spp. embedded within E. coli and in most cases forming a single subgroup of it. Phylogenomic trees also recover the proposed E. coli phylotypes as monophyla with minor exceptions and place DSM 30083(T) in phylotype B2 with E. coli S88 as its closest neighbor. The widely used lab strain K-12 is not only genomically but also physiologically strongly different from the type strain. The phylotypes do not express a uniform level of character divergence as measured using dDDH, however, thus an alternative arrangement is proposed and discussed in the context of bacterial subspecies. Analyses of the genome sequences of a large number of E. coli strains and of strains from > 100 other bacterial genera indicate a value of 79-80% dDDH as the most promising threshold for delineating subspecies, which in turn suggests the presence of five subspecies within E. coli.
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Affiliation(s)
- Jan P Meier-Kolthoff
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Richard L Hahnke
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Jörn Petersen
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Carmen Scheuner
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Victoria Michael
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Anne Fiebig
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Christine Rohde
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Manfred Rohde
- />Helmholtz Centre for Infection Research, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | | | | | | | - TBK Reddy
- />DOE Joint Genome Institute, Walnut Creek, Ca USA
| | - Amrita Pati
- />DOE Joint Genome Institute, Walnut Creek, Ca USA
| | | | | | - Nikos C Kyrpides
- />DOE Joint Genome Institute, Walnut Creek, Ca USA
- />Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tanja Woyke
- />DOE Joint Genome Institute, Walnut Creek, Ca USA
| | - Markus Göker
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
| | - Hans-Peter Klenk
- />Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, 38124 Braunschweig, Germany
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21
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Miyazaki M, Sakai S, Ritalahti KM, Saito Y, Yamanaka Y, Saito Y, Tame A, Uematsu K, Löffler FE, Takai K, Imachi H. Sphaerochaeta multiformis sp. nov., an anaerobic, psychrophilic bacterium isolated from subseafloor sediment, and emended description of the genus Sphaerochaeta. Int J Syst Evol Microbiol 2014; 64:4147-4154. [PMID: 25249566 DOI: 10.1099/ijs.0.068148-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An anaerobic, psychrophilic bacterium, strain MO-SPC2(T), was isolated from a methanogenic microbial community in a continuous-flow bioreactor that was established from subseafloor sediments collected from off the Shimokita Peninsula of Japan in the north-western Pacific Ocean. Cells were pleomorphic: spherical, annular, curved rod, helical and coccoid cell morphologies were observed. Motility only occurred in helical cells. Strain MO-SPC2(T) grew at 0-17 °C (optimally at 9 °C), at pH 6.0-8.0 (optimally at pH 6.8-7.2) and in 20-40 g NaCl l(-1) (optimally at 20-30 NaCl l(-1)). The strain grew chemo-organotrophically with mono-, di- and polysaccharides. The major end products of glucose fermentation were acetate, ethanol, hydrogen and carbon dioxide. The abundant polar lipids of strain MO-SPC2(T) were phosphatidylglycolipids, phospholipids and glycolipids. The major cellular fatty acids were C14 : 0, C16 : 0 and C16 : 1ω9. Isoprenoid quinones were not detected. The G+C content of the DNA was 32.3 mol%. 16S rRNA gene-based phylogenetic analysis showed that strain MO-SPC2(T) was affiliated with the genus Sphaerochaeta within the phylum Spirochaetes, and its closest relatives were Sphaerochaeta pleomorpha Grapes(T) (88.4 % sequence identity), Sphaerochaeta globosa Buddy(T) (86.7 %) and Sphaerochaeta coccoides SPN1(T) (85.4 %). Based on phenotypic characteristics and phylogenetic traits, strain MO-SPC2(T) is considered to represent a novel species of the genus Sphaerochaeta, for which the name Sphaerochaeta multiformis sp. nov. is proposed. The type strain is MO-SPC2(T) ( = JCM 17281(T) = DSM 23952(T)). An emended description of the genus Sphaerochaeta is also proposed.
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Affiliation(s)
- Masayuki Miyazaki
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Sanae Sakai
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Kirsti M Ritalahti
- Joint Institute for Biological Sciences (JIBS) and Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.,Center for Environmental Biotechnology, Department of Microbiology, Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Yayoi Saito
- Department of Environmental Systems Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan.,Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Yuko Yamanaka
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Yumi Saito
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Akihiko Tame
- Section 1 Geochemical Oceanography, Office of Marine Research Department of Marine Science, Marine Works Japan Ltd, Yokosuka, Kanagawa 237-0061, Japan
| | - Katsuyuki Uematsu
- Section 1 Geochemical Oceanography, Office of Marine Research Department of Marine Science, Marine Works Japan Ltd, Yokosuka, Kanagawa 237-0061, Japan
| | - Frank E Löffler
- Joint Institute for Biological Sciences (JIBS) and Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.,Center for Environmental Biotechnology, Department of Microbiology, Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Ken Takai
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
| | - Hiroyuki Imachi
- Department of Subsurface Geobiology Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science & Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan
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22
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Breider S, Scheuner C, Schumann P, Fiebig A, Petersen J, Pradella S, Klenk HP, Brinkhoff T, Göker M. Genome-scale data suggest reclassifications in the Leisingera-Phaeobacter cluster including proposals for Sedimentitalea gen. nov. and Pseudophaeobacter gen. nov. Front Microbiol 2014; 5:416. [PMID: 25157246 PMCID: PMC4127530 DOI: 10.3389/fmicb.2014.00416] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 07/22/2014] [Indexed: 11/13/2022] Open
Abstract
Earlier phylogenetic analyses of the marine Rhodobacteraceae (class Alphaproteobacteria) genera Leisingera and Phaeobacter indicated that neither genus might be monophyletic. We here used phylogenetic reconstruction from genome-scale data, MALDI-TOF mass-spectrometry analysis and a re-assessment of the phenotypic data from the literature to settle this matter, aiming at a reclassification of the two genera. Neither Phaeobacter nor Leisingera formed a clade in any of the phylogenetic analyses conducted. Rather, smaller monophyletic assemblages emerged, which were phenotypically more homogeneous, too. We thus propose the reclassification of Leisingera nanhaiensis as the type species of a new genus as Sedimentitalea nanhaiensis gen. nov., comb. nov., the reclassification of Phaeobacter arcticus and Phaeobacter leonis as Pseudophaeobacter arcticus gen. nov., comb. nov. and Pseudophaeobacter leonis comb. nov., and the reclassification of Phaeobacter aquaemixtae, Phaeobacter caeruleus, and Phaeobacter daeponensis as Leisingera aquaemixtae comb. nov., Leisingera caerulea comb. nov., and Leisingera daeponensis comb. nov. The genera Phaeobacter and Leisingera are accordingly emended.
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Affiliation(s)
- Sven Breider
- Department of Biology of Geological Processes - Aquatic Microbial Ecology, Institute for Chemistry and Biology of the Marine Environment (ICBM), University of OldenburgOldenburg, Germany
| | - Carmen Scheuner
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Peter Schumann
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Anne Fiebig
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Jörn Petersen
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Silke Pradella
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Hans-Peter Klenk
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
| | - Thorsten Brinkhoff
- Department of Biology of Geological Processes - Aquatic Microbial Ecology, Institute for Chemistry and Biology of the Marine Environment (ICBM), University of OldenburgOldenburg, Germany
| | - Markus Göker
- Department of Microorganisms, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell CulturesBraunschweig, Germany
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23
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Göker M, Spring S, Scheuner C, Anderson I, Zeytun A, Nolan M, Lucas S, Tice H, Del Rio TG, Cheng JF, Han C, Tapia R, Goodwin LA, Pitluck S, Liolios K, Mavromatis K, Pagani I, Ivanova N, Mikhailova N, Pati A, Chen A, Palaniappan K, Land M, Hauser L, Chang YJ, Jeffries CD, Rohde M, Detter JC, Woyke T, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Kyrpides NC, Klenk HP, Lapidus A. Genome sequence of the Thermotoga thermarum type strain (LA3(T)) from an African solfataric spring. Stand Genomic Sci 2014; 9:1105-17. [PMID: 25197486 PMCID: PMC4148951 DOI: 10.4056/sigs.3016383] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Thermotoga thermarum Windberger et al. 1989 is a member to the genomically well characterized genus Thermotoga in the phylum 'Thermotogae'. T. thermarum is of interest for its origin from a continental solfataric spring vs. predominantly marine oil reservoirs of other members of the genus. The genome of strain LA3T also provides fresh data for the phylogenomic positioning of the (hyper-)thermophilic bacteria. T. thermarum strain LA3(T) is the fourth sequenced genome of a type strain from the genus Thermotoga, and the sixth in the family Thermotogaceae to be formally described in a publication. Phylogenetic analyses do not reveal significant discrepancies between the current classification of the group, 16S rRNA gene data and whole-genome sequences. Nevertheless, T. thermarum significantly differs from other Thermotoga species regarding its iron-sulfur cluster synthesis, as it contains only a minimal set of the necessary proteins. Here we describe the features of this organism, together with the complete genome sequence and annotation. The 2,039,943 bp long chromosome with its 2,015 protein-coding and 51 RNA genes is a part of the Genomic Encyclopedia of Bacteria and Archaea project.
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Affiliation(s)
- Markus Göker
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Stefan Spring
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Carmen Scheuner
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Iain Anderson
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Ahmet Zeytun
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Matt Nolan
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Susan Lucas
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Hope Tice
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - Jan-Fang Cheng
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Cliff Han
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Roxanne Tapia
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Lynne A Goodwin
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Sam Pitluck
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Ioanna Pagani
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Amrita Pati
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Amy Chen
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Krishna Palaniappan
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Miriam Land
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Loren Hauser
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Yun-Juan Chang
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Cynthia D Jeffries
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Manfred Rohde
- HZI - Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - John C Detter
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Tanja Woyke
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - James Bristow
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Jonathan A Eisen
- DOE Joint Genome Institute, Walnut Creek, California, USA ; University of California Davis Genome Center, Davis, California, USA
| | - Victor Markowitz
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Philip Hugenholtz
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Nikos C Kyrpides
- DOE Joint Genome Institute, Walnut Creek, California, USA ; Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Alla Lapidus
- Theodosius Dobzhansky Center for Genome Bionformatics, St. Petersburg State University, St. Petersburg, Russia ; Algorithmic Biology Lab, St. Petersburg Academic University, St. Petersburg, Russia
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24
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Frank O, Pradella S, Rohde M, Scheuner C, Klenk HP, Göker M, Petersen J. Complete genome sequence of the Phaeobacter gallaeciensis type strain CIP 105210(T) (= DSM 26640(T) = BS107(T)). Stand Genomic Sci 2014; 9:914-32. [PMID: 25197473 PMCID: PMC4148982 DOI: 10.4056/sigs.5179110] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Phaeobacter gallaeciensis CIP 105210(T) (= DSM 26640(T) = BS107(T)) is the type strain of the species Phaeobacter gallaeciensis. The genus Phaeobacter belongs to the marine Roseobacter group (Rhodobacteraceae, Alphaproteobacteria). Phaeobacter species are effective colonizers of marine surfaces, including frequent associations with eukaryotes. Strain BS107(T) was isolated from a rearing of the scallop Pecten maximus. Here we describe the features of this organism, together with the complete genome sequence, comprising eight circular replicons with a total of 4,448 genes. In addition to a high number of extrachromosomal replicons, the genome contains six genomic island and three putative prophage regions, as well as a hybrid between a plasmid and a circular phage. Phylogenomic analyses confirm previous results, which indicated that the originally reported P. gallaeciensis type-strain deposit DSM 17395 belongs to P. inhibens and that CIP 105210(T) (= DSM 26640(T)) is the sole genome-sequenced representative of P. gallaeciensis.
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Affiliation(s)
- Oliver Frank
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Silke Pradella
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Manfred Rohde
- Helmholtz-Centre for Infection Research, Braunschweig, Germany
| | - Carmen Scheuner
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Markus Göker
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Jörn Petersen
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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25
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Göker M, Lu M, Fiebig A, Nolan M, Lapidus A, Tice H, Del Rio TG, Cheng JF, Han C, Tapia R, Goodwin LA, Pitluck S, Liolios K, Mavromatis K, Pagani I, Ivanova N, Mikhailova N, Pati A, Chen A, Palaniappan K, Land M, Mayilraj S, Rohde M, Detter JC, Bunk B, Spring S, Wirth R, Woyke T, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Kyrpides NC, Klenk HP. Genome sequence of the mud-dwelling archaeon Methanoplanus limicola type strain (DSM 2279(T)), reclassification of Methanoplanus petrolearius as Methanolacinia petrolearia and emended descriptions of the genera Methanoplanus and Methanolacinia. Stand Genomic Sci 2014; 9:1076-88. [PMID: 25197484 PMCID: PMC4149034 DOI: 10.4056/sigs.5138968] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Methanoplanus limicola Wildgruber et al. 1984 is a mesophilic methanogen that was isolated from a swamp composed of drilling waste near Naples, Italy, shortly after the Archaea were recognized as a separate domain of life. Methanoplanus is the type genus in the family Methanoplanaceae, a taxon that felt into disuse since modern 16S rRNA gene sequences-based taxonomy was established. Methanoplanus is now placed within the Methanomicrobiaceae, a family that is so far poorly characterized at the genome level. The only other type strain of the genus with a sequenced genome, Methanoplanus petrolearius SEBR 4847(T), turned out to be misclassified and required reclassification to Methanolacinia. Both, Methanoplanus and Methanolacinia, needed taxonomic emendations due to a significant deviation of the G+C content of their genomes from previously published (pre-genome-sequence era) values. Until now genome sequences were published for only four of the 33 species with validly published names in the Methanomicrobiaceae. Here we describe the features of M. limicola, together with the improved-high-quality draft genome sequence and annotation of the type strain, M3(T). The 3,200,946 bp long chromosome (permanent draft sequence) with its 3,064 protein-coding and 65 RNA genes is a part of the G enomic E ncyclopedia of B acteria and Archaea project.
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Affiliation(s)
- Markus Göker
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Megan Lu
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Anne Fiebig
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Matt Nolan
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alla Lapidus
- T. Dobzhansky Center for Genome Bionformatics, St. Petersburg State University, St. Petersburg, Russia
- Algorithmic Biology Lab, St. Petersburg Academic University, St. Petersburg, Russia
| | - Hope Tice
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - Jan-Fang Cheng
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Cliff Han
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Roxanne Tapia
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Lynne A. Goodwin
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Sam Pitluck
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Ioanna Pagani
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Amrita Pati
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Amy Chen
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Krishna Palaniappan
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Miriam Land
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Shanmugam Mayilraj
- MTCC – Microbial Type Culture Collection & Gene Bank, CSIR-Institute of Microbial Technology, Chandigarh, India
| | - Manfred Rohde
- HZI – Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - John C. Detter
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Boyke Bunk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Stefan Spring
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Reinhard Wirth
- University of Regensburg, Microbiology – Archaeenzentrum, Regensburg, Germany
| | - Tanja Woyke
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - James Bristow
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Jonathan A. Eisen
- DOE Joint Genome Institute, Walnut Creek, California, USA
- University of California Davis Genome Center, Davis, California, USA
| | - Victor Markowitz
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Philip Hugenholtz
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Nikos C. Kyrpides
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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26
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Sabree ZL, Moran NA. Host-specific assemblages typify gut microbial communities of related insect species. SPRINGERPLUS 2014; 3:138. [PMID: 24741474 PMCID: PMC3979980 DOI: 10.1186/2193-1801-3-138] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 02/28/2014] [Indexed: 12/22/2022]
Abstract
Mutualisms between microbes and insects are ubiquitous and facilitate exploitation of various trophic niches by host insects. Dictyopterans (mantids, cockroaches and termites) exhibit trophisms that range from omnivory to strict wood-feeding and maintain beneficial symbioses with the obligate endosymbiont, Blattabacterium, and/or diverse gut microbiomes that include cellulolytic and diazotrophic microbes. While Blattabacterium in omnivorous Periplaneta is fully capable of provisioning essential amino acids, in wood-feeding dictyopterans it has lost many genes for their biosynthesis (Mastotermes and Cryptocercus) or is completely absent (Heterotermes). The conspicuous functional degradation and absence of Blattabacterium in most strict wood-feeding dictyopteran insects suggest that alternative means of acquiring nutrients limited in their diet are being employed. A 16S rRNA gene amplicon resequencing approach was used to deeply sample the composition and diversity of gut communities in related dictyopteran insects to explore the possibility of shifts in symbiont allegiances during termite and cockroach evolution. The gut microbiome of Periplaneta, which has a fully functional Blattabacterium, exhibited the greatest within-sample operational taxonomic unit (OTU) diversity and abundance variability than those of Mastotermes and Cryptocercus, whose Blattabacterium have shrunken genomes and reduced nutrient provisioning capabilities. Heterotermes lacks Blattabacterium and a single OTU that was 95% identical to a Bacteroidia-assigned diazotrophic endosymbiont of an anaerobic cellulolytic protist termite gut inhabitant samples consistently dominates its gut microbiome. Many host-specific OTUs were identified in all host genera, some of which had not been previously detected, indicating that deep sampling by pyrotag sequencing has revealed new taxa that remain to be functionally characterized. Further analysis is required to uncover how consistently detected taxa in the cockroach and termite gut microbiomes, as well as the total community, contribute to host diet choice and impact the fate of Blattabacterium in dictyopterans.
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Affiliation(s)
- Zakee L Sabree
- />Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06511 USA
- />Department of Evolution, Ecology and Organismal Biology, The Ohio State University, Columbus, OH 43210 USA
| | - Nancy A Moran
- />Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06511 USA
- />Section of Integrative Biology, The University of Texas at Austin, Austin, TX 78712 USA
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Zheng H, Bodington D, Zhang C, Miyanaga K, Tanji Y, Hongoh Y, Xing XH. Comprehensive phylogenetic diversity of [FeFe]-hydrogenase genes in termite gut microbiota. Microbes Environ 2013; 28:491-4. [PMID: 24240187 PMCID: PMC4070709 DOI: 10.1264/jsme2.me13082] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Phylogenetic diversity of [FeFe]-hydrogenase (HydA) in termite guts was assessed by pyrosequencing PCR amplicons obtained using newly designed primers. Of 8,066 reads, 776 hydA phylotypes, defined with 97% nucleotide sequence identity, were recovered from the gut homogenates of three termite species, Hodotermopsis sjoestedti, Reticulitermes speratus, and Nasutitermes takasagoensis. The phylotype coverage was 92–98%, and the majority shared only low identity with database sequences. It was estimated that 194–745 hydA phylotypes existed in the gut of each termite species. Our results demonstrate that hydA gene diversity in the termite gut microbiota is much higher than previously estimated.
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Affiliation(s)
- Hao Zheng
- Department of Chemical Engineering, Tsinghua University
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28
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König H, Li L, Fröhlich J. The cellulolytic system of the termite gut. Appl Microbiol Biotechnol 2013; 97:7943-62. [PMID: 23900801 DOI: 10.1007/s00253-013-5119-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 07/09/2013] [Accepted: 07/10/2013] [Indexed: 10/26/2022]
Abstract
The demand for the usage of natural renewable polymeric material is increasing in order to satisfy the future needs for energy and chemical precursors. Important steps in the hydrolysis of polymeric material and bioconversion can be performed by microorganisms. Over about 150 million years, termites have optimized their intestinal polysaccharide-degrading symbiosis. In the ecosystem of the "termite gut," polysaccharides are degraded from lignocellulose, such as cellulose and hemicelluloses, in 1 day, while lignin is only weakly attacked. The understanding of the principles of cellulose degradation in this natural polymer-degrading ecosystem could be helpful for the improvement of the biotechnological hydrolysis and conversion of cellulose, e.g., in the case of biogas production from natural renewable plant material in biogas plants. This review focuses on the present knowledge of the cellulose degradation in the termite gut.
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Affiliation(s)
- Helmut König
- Institute of Microbiology and Wine Research, Johannes Gutenberg University of Mainz, 55099, Mainz, Germany.
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29
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Gupta RS, Mahmood S, Adeolu M. A phylogenomic and molecular signature based approach for characterization of the phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:217. [PMID: 23908650 PMCID: PMC3726837 DOI: 10.3389/fmicb.2013.00217] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 07/11/2013] [Indexed: 12/03/2022] Open
Abstract
The Spirochaetes species cause many important diseases including syphilis and Lyme disease. Except for their containing a distinctive endoflagella, no other molecular or biochemical characteristics are presently known that are specific for either all Spirochaetes or its different families. We report detailed comparative and phylogenomic analyses of protein sequences from Spirochaetes genomes to understand their evolutionary relationships and to identify molecular signatures for this group. These studies have identified 38 conserved signature indels (CSIs) that are specific for either all members of the phylum Spirochaetes or its different main clades. Of these CSIs, a 3 aa insert in the FlgC protein is uniquely shared by all sequenced Spirochaetes providing a molecular marker for this phylum. Seven, six, and five CSIs in different proteins are specific for members of the families Spirochaetaceae, Brachyspiraceae, and Leptospiraceae, respectively. Of the 19 other identified CSIs, 3 are uniquely shared by members of the genera Sphaerochaeta, Spirochaeta, and Treponema, whereas 16 others are specific for the genus Borrelia. A monophyletic grouping of the genera Sphaerochaeta, Spirochaeta, and Treponema distinct from the genus Borrelia is also strongly supported by phylogenetic trees based upon concatenated sequences of 22 conserved proteins. The molecular markers described here provide novel and more definitive means for identification and demarcation of different main groups of Spirochaetes. To accommodate the extensive genetic diversity of the Spirochaetes as revealed by different CSIs and phylogenetic analyses, it is proposed that the four families of this phylum should be elevated to the order level taxonomic ranks (viz. Spirochaetales, Brevinematales ord. nov., Brachyspiriales ord. nov., and Leptospiriales ord. nov.). It is further proposed that the genera Borrelia and Cristispira be transferred to a new family Borreliaceae fam. nov. within the order Spirochaetales.
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Affiliation(s)
- Radhey S Gupta
- Department of Biochemistry and Biomedical Sciences, McMaster University Hamilton, ON, Canada
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30
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Huntemann M, Stackebrandt E, Held B, Nolan M, Lucas S, Hammon N, Deshpande S, Cheng JF, Tapia R, Goodwin LA, Pitluck S, Liolios K, Pagani I, Ivanova N, Mavromatis K, Mikhailova N, Pati A, Chen A, Palaniappan K, Land M, Rohde M, Gronow S, Göker M, Detter JC, Bristow J, Eisen JA, Markowitz V, Woyke T, Hugenholtz P, Kyrpides NC, Klenk HP, Lapidus A. Genome sequence of the phylogenetically isolated spirochete Leptonema illini type strain (3055(T)). Stand Genomic Sci 2013; 8:177-87. [PMID: 23991250 PMCID: PMC3746420 DOI: 10.4056/sigs.3637201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Leptonema illini Hovind-Hougen 1979 is the type species of the genus Leptonema, family Leptospiraceae, phylum Spirochaetes. Organisms of this family have a Gram-negative-like cell envelope consisting of a cytoplasmic membrane and an outer membrane. The peptidoglycan layer is associated with the cytoplasmic rather than the outer membrane. The two flagella of members of Leptospiraceae extend from the cytoplasmic membrane at the ends of the bacteria into the periplasmic space and are necessary for their motility. Here we describe the features of the L. illini type strain, together with the complete genome sequence, and annotation. This is the first genome sequence (finished at the level of Improved High Quality Draft) to be reported from of a member of the genus Leptonema and a representative of the third genus of the family Leptospiraceae for which complete or draft genome sequences are now available. The three scaffolds of the 4,522,760 bp draft genome sequence reported here, and its 4,230 protein-coding and 47 RNA genes are part of the G enomic E ncyclopedia of Bacteria and Archaea project.
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31
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Stackebrandt E, Chertkov O, Lapidus A, Nolan M, Lucas S, Hammon N, Deshpande S, Cheng JF, Tapia R, Goodwin LA, Pitluck S, Liolios K, Pagani I, Ivanova N, Mavromatis K, Mikhailova N, Huntemann M, Pati A, Chen A, Palaniappan K, Land M, Pan C, Rohde M, Gronow S, Göker M, Detter JC, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Woyke T, Kyrpides NC, Klenk HP. Genome sequence of the free-living aerobic spirochete Turneriella parva type strain (H(T)), and emendation of the species Turneriella parva. Stand Genomic Sci 2013; 8:228-38. [PMID: 23991255 PMCID: PMC3746428 DOI: 10.4056/sigs.3617113] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Turneriella parva Levett et al. 2005 is the only species of the genus Turneriella which was established as a result of the reclassification of Leptospira parva Hovind-Hougen et al. 1982. Together with Leptonema and Leptospira, Turneriella constitutes the family Leptospiraceae, within the order Spirochaetales. Here we describe the features of this free-living aerobic spirochete together with the complete genome sequence and annotation. This is the first complete genome sequence of a member of the genus Turneriella and the 13(th) member of the family Leptospiraceae for which a complete or draft genome sequence is now available. The 4,409,302 bp long genome with its 4,169 protein-coding and 45 RNA genes is part of the G enomic E ncyclopedia of Bacteria and Archaea project.
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Affiliation(s)
- Erko Stackebrandt
- Leibniz-Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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32
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Göker M, Klenk HP. Phylogeny-driven target selection for large-scale genome-sequencing (and other) projects. Stand Genomic Sci 2013; 8:360-74. [PMID: 23991265 PMCID: PMC3746418 DOI: 10.4056/sigs.3446951] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Despite the steadily decreasing costs of genome sequencing, prioritizing organisms for sequencing remains important in large-scale projects. Phylogeny-based selection is of interest to identify those organisms whose genomes can be expected to differ most from those that have already been sequenced. Here, we describe a method that infers a phylogenetic scoring independent of which set of organisms has previously been targeted, which is computationally simple and easy to apply in practice. The scoring itself, as well as pre- and post-processing of the data, is illustrated using two real-world examples in which the method has already been applied for selecting targets for genome sequencing. These projects are the JGI CSP Genomic Encyclopedia of Bacteria and Archaea phase I, targeting 1,000 type strains, and, on a smaller-scale, the phylogenomics of the Roseobacter clade. Potential artifacts of the method are discussed and compared to a selection approach based on the taxonomic classification.
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Affiliation(s)
- Markus Göker
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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33
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Liolos K, Abt B, Scheuner C, Teshima H, Held B, Lapidus A, Nolan M, Lucas S, Deshpande S, Cheng JF, Tapia R, Goodwin LA, Pitluck S, Pagani I, Ivanova N, Mavromatis K, Mikhailova N, Huntemann M, Pati A, Chen A, Palaniappan K, Land M, Rohde M, Tindall BJ, Detter JC, Göker M, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Woyke T, Klenk HP, Kyrpides NC. Complete genome sequence of the halophilic bacterium Spirochaeta africana type strain (Z-7692(T)) from the alkaline Lake Magadi in the East African Rift. Stand Genomic Sci 2013; 8:165-76. [PMID: 23991249 PMCID: PMC3746417 DOI: 10.4056/sigs.3607108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Spirochaeta africana Zhilina et al. 1996 is an anaerobic, aerotolerant, spiral-shaped bacterium that is motile via periplasmic flagella. The type strain of the species, Z-7692(T), was isolated in 1993 or earlier from a bacterial bloom in the brine under the trona layer in a shallow lagoon of the alkaline equatorial Lake Magadi in Kenya. Here we describe the features of this organism, together with the complete genome sequence, and annotation. Considering the pending reclassification of S. caldaria to the genus Treponema, S. africana is only the second 'true' member of the genus Spirochaeta with a genome-sequenced type strain to be published. The 3,285,855 bp long genome of strain Z-7692(T) with its 2,817 protein-coding and 57 RNA genes is a part of the G enomic E ncyclopedia of B acteria and A rchaea project.
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34
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Abt B, Göker M, Scheuner C, Han C, Lu M, Misra M, Lapidus A, Nolan M, Lucas S, Hammon N, Deshpande S, Cheng JF, Tapia R, Goodwin LA, Pitluck S, Liolios K, Pagani I, Ivanova N, Mavromatis K, Mikhailova N, Huntemann M, Pati A, Chen A, Palaniappan K, Land M, Hauser L, Jeffries CD, Rohde M, Spring S, Gronow S, Detter JC, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Kyrpides NC, Woyke T, Klenk HP. Genome sequence of the thermophilic fresh-water bacterium Spirochaeta caldaria type strain (H1(T)), reclassification of Spirochaeta caldaria, Spirochaeta stenostrepta, and Spirochaeta zuelzerae in the genus Treponema as Treponema caldaria comb. nov., Treponema stenostrepta comb. nov., and Treponema zuelzerae comb. nov., and emendation of the genus Treponema. Stand Genomic Sci 2013; 8:88-105. [PMID: 23961314 PMCID: PMC3739177 DOI: 10.4056/sigs.3096473] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Spirochaeta caldaria Pohlschroeder et al. 1995 is an obligately anaerobic, spiral-shaped bacterium that is motile via periplasmic flagella. The type strain, H1(T), was isolated in 1990 from cyanobacterial mat samples collected at a freshwater hot spring in Oregon, USA, and is of interest because it enhances the degradation of cellulose when grown in co-culture with Clostridium thermocellum. Here we provide a taxonomic re-evaluation for S. caldaria based on phylogenetic analyses of 16S rRNA sequences and whole genomes, and propose the reclassification of S. caldaria and two other Spirochaeta species as members of the emended genus Treponema. Whereas genera such as Borrelia and Sphaerochaeta possess well-distinguished genomic features related to their divergent lifestyles, the physiological and functional genomic characteristics of Spirochaeta and Treponema appear to be intermixed and are of little taxonomic value. The 3,239,340 bp long genome of strain H1(T) with its 2,869 protein-coding and 59 RNA genes is a part of the G enomic E ncyclopedia of Bacteria and Archaea project.
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Affiliation(s)
- Birte Abt
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Markus Göker
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Carmen Scheuner
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Cliff Han
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Megan Lu
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Monica Misra
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Alla Lapidus
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Matt Nolan
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Susan Lucas
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Nancy Hammon
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - Jan-Fang Cheng
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Roxanne Tapia
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Lynne A. Goodwin
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - Sam Pitluck
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - Ioanna Pagani
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | | | | | - Amrita Pati
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Amy Chen
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Krishna Palaniappan
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Miriam Land
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Loren Hauser
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Cynthia D. Jeffries
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Manfred Rohde
- HZI – Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Stefan Spring
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Sabine Gronow
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - John C. Detter
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | - James Bristow
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Jonathan A. Eisen
- DOE Joint Genome Institute, Walnut Creek, California, USA
- University of California Davis Genome Center, Davis, California, USA
| | - Victor Markowitz
- Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Philip Hugenholtz
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | | | - Tanja Woyke
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Hans-Peter Klenk
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
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35
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Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2013. [DOI: 10.1099/ijs.0.049320-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The Bacteriological Code deals with the nomenclature of prokaryotes. This may include existing names (the Approved Lists of Bacterial Names) as well as new names and new combinations. In this sense the Code is also dealing indirectly with taxonomic opinions. However, as with most codes of nomenclature there are no mechanisms for formally recording taxonomic opinions that do not involve the creation of new names or new combinations. In particular, it would be desirable for taxonomic opinions resulting from the creation of synonyms or emended descriptions to be made widely available to the public. In 2004, the Editorial Board of the International Journal of Systematic and Evolutionary Microbiology (IJSEM) agreed unanimously that it was desirable to cover such changes in taxonomic opinions (i.e. the creation of synonyms or the emendation of circumscriptions) previously published outside the IJSEM, and to introduce a List of Changes in Taxonomic Opinion [Notification of changes in taxonomic opinion previously published outside the IJSEM; Euzéby et al. (2004). Int J Syst Evol Microbiol
54, 1429–1430]. Scientists wishing to have changes in taxonomic opinion included in future lists should send one copy of the pertinent reprint or a photocopy or a PDF file thereof to the IJSEM Editorial Office or to the Lists Editor. It must be stressed that the date of proposed taxonomic changes is the date of the original publication not the date of publication of the list. Taxonomic opinions included in the List of Changes in Taxonomic Opinion cannot be considered as validly published nor, in any other way, approved by the International Committee on Systematics of Prokaryotes and its Judicial Commission. The names that are to be used are those that are the ‘correct names’ (in the sense of Principle 6) in the opinion of the bacteriologist, with a given circumscription, position and rank. A particular name, circumscription, position and rank does not have to be adopted in all circumstances. Consequently, the List of Changes in Taxonomic Opinion must be considered as a service to bacteriology and it has no ‘official character’, other than providing a centralized point for registering/indexing such changes in a way that makes them easily accessible to the scientific community.
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36
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Letzel AC, Pidot SJ, Hertweck C. A genomic approach to the cryptic secondary metabolome of the anaerobic world. Nat Prod Rep 2012; 30:392-428. [PMID: 23263685 DOI: 10.1039/c2np20103h] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A total of 211 complete and published genomes from anaerobic bacteria are analysed for the presence of secondary metabolite biosynthesis gene clusters, in particular those tentatively coding for polyketide synthases (PKS) and non-ribosomal peptide synthetases (NRPS). We investigate the distribution of these gene clusters according to bacterial phylogeny and, if known, correlate these to the type of metabolic pathways they encode. The potential of anaerobes as secondary metabolite producers is highlighted.
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Affiliation(s)
- Anne-Catrin Letzel
- Leibniz Institute for Natural Product Research and Infection Biology HKI, Beutenbergstr. 11a, Jena, 07745, Germany
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37
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Anderson I, Munk C, Lapidus A, Nolan M, Lucas S, Tice H, Del Rio TG, Cheng JF, Han C, Tapia R, Goodwin L, Pitluck S, Liolios K, Mavromatis K, Pagani I, Mikhailova N, Pati A, Chen A, Palaniappan K, Land M, Rohde M, Tindall BJ, Göker M, Detter JC, Woyke T, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Kyrpides NC, Klenk HP, Ivanova N. Genome sequence of the flexirubin-pigmented soil bacterium Niabella soli type strain (JS13-8(T)). Stand Genomic Sci 2012; 7:210-20. [PMID: 23408178 PMCID: PMC3569382 DOI: 10.4056/sigs.3117229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Niabella soli Weon et al. 2008 is a member of the Chitinophagaceae, a family within the class Sphingobacteriia that is poorly characterized at the genome level, thus far. N. soli strain JS13-8(T) is of interest for its ability to produce a variety of glycosyl hydrolases. The genome of N. soli strain JS13-8(T) is only the second genome sequence of a type strain from the family Chitinophagaceae to be published, and the first one from the genus Niabella. Here we describe the features of this organism, together with the complete genome sequence and annotation. The 4,697,343 bp long chromosome with its 3,931 protein-coding and 49 RNA genes is a part of the Genomic Encyclopedia ofBacteria andArchaea project.
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Affiliation(s)
- Iain Anderson
- DOE Joint Genome Institute, Walnut Creek, California, USA
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38
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Kappler U, Davenport K, Beatson S, Lucas S, Lapidus A, Copeland A, Berry KW, Glavina Del Rio T, Hammon N, Dalin E, Tice H, Pitluck S, Richardson P, Bruce D, Goodwin LA, Han C, Tapia R, Detter JC, Chang YJ, Jeffries CD, Land M, Hauser L, Kyrpides NC, Göker M, Ivanova N, Klenk HP, Woyke T. Complete genome sequence of the facultatively chemolithoautotrophic and methylotrophic alpha Proteobacterium Starkeya novella type strain (ATCC 8093(T)). Stand Genomic Sci 2012; 7:44-58. [PMID: 23450099 PMCID: PMC3570799 DOI: 10.4056/sigs.3006378] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Starkeya novella (Starkey 1934) Kelly et al. 2000 is a member of the family Xanthobacteraceae in the order 'Rhizobiales', which is thus far poorly characterized at the genome level. Cultures from this species are most interesting due to their facultatively chemolithoautotrophic lifestyle, which allows them to both consume carbon dioxide and to produce it. This feature makes S. novella an interesting model organism for studying the genomic basis of regulatory networks required for the switch between consumption and production of carbon dioxide, a key component of the global carbon cycle. In addition, S. novella is of interest for its ability to grow on various inorganic sulfur compounds and several C1-compounds such as methanol. Besides Azorhizobium caulinodans, S. novella is only the second species in the family Xanthobacteraceae with a completely sequenced genome of a type strain. The current taxonomic classification of this group is in significant conflict with the 16S rRNA data. The genomic data indicate that the physiological capabilities of the organism might have been underestimated. The 4,765,023 bp long chromosome with its 4,511 protein-coding and 52 RNA genes was sequenced as part of the DOE Joint Genome Institute Community Sequencing Program (CSP) 2008.
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Affiliation(s)
| | - Karen Davenport
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | | | - Susan Lucas
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alla Lapidus
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alex Copeland
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Nancy Hammon
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Eileen Dalin
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Hope Tice
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Sam Pitluck
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - David Bruce
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Lynne A. Goodwin
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Cliff Han
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Roxanne Tapia
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - John C. Detter
- Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
- DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Yun-juan Chang
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Cynthia D. Jeffries
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Miriam Land
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Loren Hauser
- DOE Joint Genome Institute, Walnut Creek, California, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | | | - Markus Göker
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | | | - Hans-Peter Klenk
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Tanja Woyke
- DOE Joint Genome Institute, Walnut Creek, California, USA
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Kappler U, Davenport K, Beatson S, Lucas S, Lapidus A, Copeland A, Berry KW, Glavina Del Rio T, Hammon N, Dalin E, Tice H, Pitluck S, Richardson P, Bruce D, Goodwin LA, Han C, Tapia R, Detter JC, Chang YJ, Jeffries CD, Land M, Hauser L, Kyrpides NC, Göker M, Ivanova N, Klenk HP, Woyke T. Complete genome sequence of the facultatively chemolithoautotrophic and methylotrophic alpha Proteobacterium Starkeya novella type strain (ATCC 8093T). Stand Genomic Sci 2012. [DOI: 10.4056/sogs.3006378] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | - Karen Davenport
- 2Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA
| | | | - Susan Lucas
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alla Lapidus
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Alex Copeland
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | | | - Nancy Hammon
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Eileen Dalin
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Hope Tice
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Sam Pitluck
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - David Bruce
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | | | - Cliff Han
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Roxanne Tapia
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - John C. Detter
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
| | - Yun-juan Chang
- 4Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | | | - Miriam Land
- 4Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Loren Hauser
- 4Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | | | - Markus Göker
- 5Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | | | - Hans-Peter Klenk
- 5Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Tanja Woyke
- 3DOE Joint Genome Institute, Walnut Creek, California, USA
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List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2012. [DOI: 10.1099/ijs.0.046342-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The purpose of this announcement is to effect the valid publication of the following effectively published new names and new combinations under the procedure described in the Bacteriological Code (1990 Revision). Authors and other individuals wishing to have new names and/or combinations included in future lists should send three copies of the pertinent reprint or photocopies thereof, or an electronic copy of the published paper, to the IJSEM Editorial Office for confirmation that all of the other requirements for valid publication have been met. It is also a requirement of IJSEM and the ICSP that authors of new species, new subspecies and new combinations provide evidence that types are deposited in two recognized culture collections in two different countries. It should be noted that the date of valid publication of these new names and combinations is the date of publication of this list, not the date of the original publication of the names and combinations. The authors of the new names and combinations are as given below, and these authors’ names will be included in the author index of the present issue. Inclusion of a name on these lists validates the publication of the name and thereby makes it available in bacteriological nomenclature. The inclusion of a name on this list is not to be construed as taxonomic acceptance of the taxon to which the name is applied. Indeed, some of these names may, in time, be shown to be synonyms, or the organisms may be transferred to another genus, thus necessitating the creation of a new combination.
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