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Chemical Structures of Some Examples of Earlier Characterized Antibiotic and Anticancer Specialized
Supplementary figure S1: Chemical structures of some examples of earlier characterized antibiotic and anticancer specialized metabolites: (A) salinilactam, (B) lactocillin, (C) streptochlorin, (D) abyssomicin C and (E) salinosporamide K. Figure S2. Heat map representing hierarchical classification of the SMGCs detected in all the metagenomes in the dataset. Table S1: The sampling locations of each of the sites in the dataset. Sample Sample Bio-project Site depth accession accession Samples Latitude Longitude Site description (m) number in SRA number in SRA AT0050m01B1-4C1 SRS598124 PRJNA193416 Atlantis II water column 50, 200, Water column AT0200m01C1-4D1 SRS598125 21°36'19.0" 38°12'09.0 700 and above the brine N "E (ATII 50, ATII 200, 1500 pool water layers AT0700m01C1-3D1 SRS598128 ATII 700, ATII 1500) AT1500m01B1-3C1 SRS598129 ATBRUCL SRS1029632 PRJNA193416 Atlantis II brine 21°36'19.0" 38°12'09.0 1996– Brine pool water ATBRLCL1-3 SRS1029579 (ATII UCL, ATII INF, N "E 2025 layers ATII LCL) ATBRINP SRS481323 PRJNA219363 ATIID-1a SRS1120041 PRJNA299097 ATIID-1b SRS1120130 ATIID-2 SRS1120133 2168 + Sea sediments Atlantis II - sediments 21°36'19.0" 38°12'09.0 ~3.5 core underlying ATII ATIID-3 SRS1120134 (ATII SDM) N "E length brine pool ATIID-4 SRS1120135 ATIID-5 SRS1120142 ATIID-6 SRS1120143 Discovery Deep brine DDBRINP SRS481325 PRJNA219363 21°17'11.0" 38°17'14.0 2026– Brine pool water N "E 2042 layers (DD INF, DD BR) DDBRINE DD-1 SRS1120158 PRJNA299097 DD-2 SRS1120203 DD-3 SRS1120205 Discovery Deep 2180 + Sea sediments sediments 21°17'11.0" -
CUED Phd and Mphil Thesis Classes
High-throughput Experimental and Computational Studies of Bacterial Evolution Lars Barquist Queens' College University of Cambridge A thesis submitted for the degree of Doctor of Philosophy 23 August 2013 Arrakis teaches the attitude of the knife { chopping off what's incomplete and saying: \Now it's complete because it's ended here." Collected Sayings of Muad'dib Declaration High-throughput Experimental and Computational Studies of Bacterial Evolution The work presented in this dissertation was carried out at the Wellcome Trust Sanger Institute between October 2009 and August 2013. This dissertation is the result of my own work and includes nothing which is the outcome of work done in collaboration except where specifically indicated in the text. This dissertation does not exceed the limit of 60,000 words as specified by the Faculty of Biology Degree Committee. This dissertation has been typeset in 12pt Computer Modern font using LATEX according to the specifications set by the Board of Graduate Studies and the Faculty of Biology Degree Committee. No part of this dissertation or anything substantially similar has been or is being submitted for any other qualification at any other university. Acknowledgements I have been tremendously fortunate to spend the past four years on the Wellcome Trust Genome Campus at the Sanger Institute and the European Bioinformatics Institute. I would like to thank foremost my main collaborators on the studies described in this thesis: Paul Gardner and Gemma Langridge. Their contributions and support have been invaluable. I would also like to thank my supervisor, Alex Bateman, for giving me the freedom to pursue a wide range of projects during my time in his group and for advice. -
Annual Conference Abstracts
ANNUAL CONFERENCE 14-17 April 2014 Arena and Convention Centre, Liverpool ABSTRACTS SGM ANNUAL CONFERENCE APRIL 2014 ABSTRACTS (LI00Mo1210) – SGM Prize Medal Lecture (LI00Tu1210) – Marjory Stephenson Climate Change, Oceans, and Infectious Disease Prize Lecture Dr. Rita R. Colwell Understanding the basis of antibiotic resistance University of Maryland, College Park, MD, USA as a platform for early drug discovery During the mid-1980s, satellite sensors were developed to monitor Laura JV Piddock land and oceans for purposes of understanding climate, weather, School of Immunity & Infection and Institute of Microbiology and and vegetation distribution and seasonal variations. Subsequently Infection, University of Birmingham, UK inter-relationships of the environment and infectious diseases Antibiotic resistant bacteria are one of the greatest threats to human were investigated, both qualitatively and quantitatively, with health. Resistance can be mediated by numerous mechanisms documentation of the seasonality of diseases, notably malaria including mutations conferring changes to the genes encoding the and cholera by epidemiologists. The new research revealed a very target proteins as well as RND efflux pumps, which confer innate close interaction of the environment and many other infectious multi-drug resistance (MDR) to bacteria. The production of efflux diseases. With satellite sensors, these relationships were pumps can be increased, usually due to mutations in regulatory quantified and comparatively analyzed. More recent studies of genes, and this confers resistance to antibiotics that are often used epidemic diseases have provided models, both retrospective and to treat infections by Gram negative bacteria. RND MDR efflux prospective, for understanding and predicting disease epidemics, systems not only confer antibiotic resistance, but altered expression notably vector borne diseases. -
Developing a Genetic Manipulation System for the Antarctic Archaeon, Halorubrum Lacusprofundi: Investigating Acetamidase Gene Function
www.nature.com/scientificreports OPEN Developing a genetic manipulation system for the Antarctic archaeon, Halorubrum lacusprofundi: Received: 27 May 2016 Accepted: 16 September 2016 investigating acetamidase gene Published: 06 October 2016 function Y. Liao1, T. J. Williams1, J. C. Walsh2,3, M. Ji1, A. Poljak4, P. M. G. Curmi2, I. G. Duggin3 & R. Cavicchioli1 No systems have been reported for genetic manipulation of cold-adapted Archaea. Halorubrum lacusprofundi is an important member of Deep Lake, Antarctica (~10% of the population), and is amendable to laboratory cultivation. Here we report the development of a shuttle-vector and targeted gene-knockout system for this species. To investigate the function of acetamidase/formamidase genes, a class of genes not experimentally studied in Archaea, the acetamidase gene, amd3, was disrupted. The wild-type grew on acetamide as a sole source of carbon and nitrogen, but the mutant did not. Acetamidase/formamidase genes were found to form three distinct clades within a broad distribution of Archaea and Bacteria. Genes were present within lineages characterized by aerobic growth in low nutrient environments (e.g. haloarchaea, Starkeya) but absent from lineages containing anaerobes or facultative anaerobes (e.g. methanogens, Epsilonproteobacteria) or parasites of animals and plants (e.g. Chlamydiae). While acetamide is not a well characterized natural substrate, the build-up of plastic pollutants in the environment provides a potential source of introduced acetamide. In view of the extent and pattern of distribution of acetamidase/formamidase sequences within Archaea and Bacteria, we speculate that acetamide from plastics may promote the selection of amd/fmd genes in an increasing number of environmental microorganisms. -
Corynebacterium Sp.|NML98-0116
1 Limnochorda_pilosa~GCF_001544015.1@NZ_AP014924=Bacteria-Firmicutes-Limnochordia-Limnochordales-Limnochordaceae-Limnochorda-Limnochorda_pilosa 0,9635 Ammonifex_degensii|KC4~GCF_000024605.1@NC_013385=Bacteria-Firmicutes-Clostridia-Thermoanaerobacterales-Thermoanaerobacteraceae-Ammonifex-Ammonifex_degensii 0,985 Symbiobacterium_thermophilum|IAM14863~GCF_000009905.1@NC_006177=Bacteria-Firmicutes-Clostridia-Clostridiales-Symbiobacteriaceae-Symbiobacterium-Symbiobacterium_thermophilum Varibaculum_timonense~GCF_900169515.1@NZ_LT827020=Bacteria-Actinobacteria-Actinobacteria-Actinomycetales-Actinomycetaceae-Varibaculum-Varibaculum_timonense 1 Rubrobacter_aplysinae~GCF_001029505.1@NZ_LEKH01000003=Bacteria-Actinobacteria-Rubrobacteria-Rubrobacterales-Rubrobacteraceae-Rubrobacter-Rubrobacter_aplysinae 0,975 Rubrobacter_xylanophilus|DSM9941~GCF_000014185.1@NC_008148=Bacteria-Actinobacteria-Rubrobacteria-Rubrobacterales-Rubrobacteraceae-Rubrobacter-Rubrobacter_xylanophilus 1 Rubrobacter_radiotolerans~GCF_000661895.1@NZ_CP007514=Bacteria-Actinobacteria-Rubrobacteria-Rubrobacterales-Rubrobacteraceae-Rubrobacter-Rubrobacter_radiotolerans Actinobacteria_bacterium_rbg_16_64_13~GCA_001768675.1@MELN01000053=Bacteria-Actinobacteria-unknown_class-unknown_order-unknown_family-unknown_genus-Actinobacteria_bacterium_rbg_16_64_13 1 Actinobacteria_bacterium_13_2_20cm_68_14~GCA_001914705.1@MNDB01000040=Bacteria-Actinobacteria-unknown_class-unknown_order-unknown_family-unknown_genus-Actinobacteria_bacterium_13_2_20cm_68_14 1 0,9803 Thermoleophilum_album~GCF_900108055.1@NZ_FNWJ01000001=Bacteria-Actinobacteria-Thermoleophilia-Thermoleophilales-Thermoleophilaceae-Thermoleophilum-Thermoleophilum_album -
Table S5. the Information of the Bacteria Annotated in the Soil Community at Species Level
Table S5. The information of the bacteria annotated in the soil community at species level No. Phylum Class Order Family Genus Species The number of contigs Abundance(%) 1 Firmicutes Bacilli Bacillales Bacillaceae Bacillus Bacillus cereus 1749 5.145782459 2 Bacteroidetes Cytophagia Cytophagales Hymenobacteraceae Hymenobacter Hymenobacter sedentarius 1538 4.52499338 3 Gemmatimonadetes Gemmatimonadetes Gemmatimonadales Gemmatimonadaceae Gemmatirosa Gemmatirosa kalamazoonesis 1020 3.000970902 4 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sphingomonas indica 797 2.344876284 5 Firmicutes Bacilli Lactobacillales Streptococcaceae Lactococcus Lactococcus piscium 542 1.594633558 6 Actinobacteria Thermoleophilia Solirubrobacterales Conexibacteraceae Conexibacter Conexibacter woesei 471 1.385742446 7 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sphingomonas taxi 430 1.265115184 8 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sphingomonas wittichii 388 1.141545794 9 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sphingomonas sp. FARSPH 298 0.876754244 10 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sorangium cellulosum 260 0.764953367 11 Proteobacteria Deltaproteobacteria Myxococcales Polyangiaceae Sorangium Sphingomonas sp. Cra20 260 0.764953367 12 Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Sphingomonas Sphingomonas panacis 252 0.741416341 -
Structural Features of the Vesicle of Frankia Sp. Cpi1 in Culture
Structural features of the vesicle of Frankia sp. CpIl in culture JOHNG. TORREYAND DALECALLAHAM Cabot Foundation, Harvard University, Petersham, MA, U.S.A.01366 and Department of Botany, University of Massachusetts, Amherst, MA, U.S.A.01003 Accepted March 16, 1982 TORREY,J. G., and D. CALLAHAM.1982. Structural features of the vesicle of Frankia sp. CpII inculture. Can. J. Microbiol. 28: 749-757. The filamentous bacterium Frankia sp. CpIl of the Actinomycetales, responsible for symbiotic nitrogen fixation in the nodules of certain woody dicots, also fixes dinitrogen when grown independently of the host in a nitrogen-free synthetic nutrient medium under aerobic conditions. In structural studies of Frankla grown in culture it has been shown that the bacterial filaments form vesicles, enlarged terminal endings in which the enzyme nitrogenase is formed. Microscopic examination of cultures shows that the vesicles possess a specialized envelope consisting of a number of thin layers or laminae which In polarized light show birefringence and in freeze-etch electron microscopy are resolved as multiple (12-15) laminae approximately 35-40 A (1 A = 0.1 nm) in thickness. Comparisons are made between the structure of the veslcle envelope in cultured Frankia and the ; strikingly similar innermost laminated layer in the dinitrogen-fixing heterocysts of the cyanobacterium Anabaena. Comparable protective functions in limiting oxygen to the dinitrogen-fixing sites are suggested for these similar structures in two quite unrelated microorganisms. 1 TORREY,J. G., et D. CALLAHAM.1982. Structural features of the vesicle of Frankia sp. CpIl in culture. Can. J. Microbiol. 28: 749-757. I La bactkrie filamenteuse Frankia sp. -
Diversity of Free-Living Nitrogen Fixing Bacteria in the Badlands of South Dakota Bibha Dahal South Dakota State University
South Dakota State University Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange Theses and Dissertations 2016 Diversity of Free-living Nitrogen Fixing Bacteria in the Badlands of South Dakota Bibha Dahal South Dakota State University Follow this and additional works at: http://openprairie.sdstate.edu/etd Part of the Bacteriology Commons, and the Environmental Microbiology and Microbial Ecology Commons Recommended Citation Dahal, Bibha, "Diversity of Free-living Nitrogen Fixing Bacteria in the Badlands of South Dakota" (2016). Theses and Dissertations. 688. http://openprairie.sdstate.edu/etd/688 This Thesis - Open Access is brought to you for free and open access by Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange. For more information, please contact [email protected]. DIVERSITY OF FREE-LIVING NITROGEN FIXING BACTERIA IN THE BADLANDS OF SOUTH DAKOTA BY BIBHA DAHAL A thesis submitted in partial fulfillment of the requirements for the Master of Science Major in Biological Sciences Specialization in Microbiology South Dakota State University 2016 iii ACKNOWLEDGEMENTS “Always aim for the moon, even if you miss, you’ll land among the stars”.- W. Clement Stone I would like to express my profuse gratitude and heartfelt appreciation to my advisor Dr. Volker Brӧzel for providing me a rewarding place to foster my career as a scientist. I am thankful for his implicit encouragement, guidance, and support throughout my research. This research would not be successful without his guidance and inspiration. -
Phylogeny and Assemblage Composition of Frankia in Alnus Tenuifolia Nodules Across a Primary Successional Sere in Interior Alaska
Molecular Ecology (2013) 22, 3864–3877 doi: 10.1111/mec.12339 Phylogeny and assemblage composition of Frankia in Alnus tenuifolia nodules across a primary successional sere in interior Alaska M. D. ANDERSON,*† D. L. TAYLOR† and R. W. RUESS† *Department of Biology, Macalester College, 1600 Grand Ave, Saint Paul, MN 55105, USA, †Institute of Arctic Biology, University of Alaska, Fairbanks, AK 99775, USA Abstract In nitrogen (N) fixing symbioses, host-symbiont specificity, genetic variation in bacte- rial symbionts and environmental variation represent fundamental constraints on the ecology, evolution and practical uses of these interactions, but detailed information is lacking for many naturally occurring N-fixers. This study examined phylogenetic host specificity of Frankia in field-collected nodules of two Alnus species (A. tenuifolia and A. viridis) in interior Alaska and, for A. tenuifolia, distribution, diversity, spatial auto- correlation and correlation with specific soil factors of Frankia genotypes in nodules collected from replicated habitats representing endpoints of a primary sere. Frankia genotypes most commonly associated with each host belonged to different clades within the Alnus-infective Frankia clade, and for A. tenuifolia, were divergent from previously described Frankia. A. tenuifolia nodules from early and late succession hab- itats harboured distinct Frankia assemblages. In early succession, a single genotype inhabited 71% of nodules with no discernable autocorrelation at any scale, while late succession Frankia were more diverse, differed widely among plants within a site and were significantly autocorrelated within and among plants. Early succession Frankia genotype occurrence was strongly correlated with carbon/nitrogen ratio in the mineral soil fraction, while in late succession, the most common genotypes were correlated with different soil variables. -
Rathayibacter Rathayi Comb , Nov,, Rathayibacter Tritici Comb , Nov,, Rathayibacter Iranicus Comb, Nov., and Six Strains from Annual Grasses H
INTERNATIONALJOURNAL OF SYSTEMATICBACTERIOLOGY, Jan. 1993, p. 143-149 Vol. 43, No. 1 0020-7713/93/010143-07$02.00/0 Copyright 0 1993, International Union of Microbiological Societies Rathayibacter gen, nov., Including the Species Rathayibacter rathayi comb , nov,, Rathayibacter tritici comb , nov,, Rathayibacter iranicus comb, nov., and Six Strains from Annual Grasses H. I. ZGURSKAYA, L. I. EVTUSHENKO," V. N. AKIMOV, AND L. V. KALAKOUTSKII All-Russian Collection of Microorganisms, Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region, 142292, Russia A new genus, Ruthuyibucter, is proposed to accommodate three species of gram-positive, aerobic, coryneform bacteria previously placed in the genus Clavibucter (Ruthuyibucter ruthuyi comb. nov., Ruthuyibucter tritici comb. nov., and Ruthuyibucter irunicus comb. nov.), as well as six strains that were isolated from annual cereal grasses, may be responsible for ryegrass toxicity, and are very similar to the recently described organism Chvibacter toxicus sp. nov. (I. T. Riley and K. M. Ophel, Int. J. Syst. Bacteriol. 42:64-68, 1992). The properties of members of the genus Ruthuyibacter include coryneform morphology, peptidoglycan based on 2,4-diaminobutyric acid (type B2y), predominant menaquinones of the MK-10 type, and phosphatidylglycerol and diphosphatidylglycerol as basic polar lipids. The DNA base compositions range from 63 to 72 mol% G+C. The members of the new genus form a phenetic cluster distinct from Clavibucter spp. at a level -
Phylogenetic Analyses of the Genus Hymenobacter and Description of Siccationidurans Gen
etics & E en vo g lu t lo i y o h n a P r f y Journal of Phylogenetics & Sathyanarayana Reddy, J Phylogen Evolution Biol 2013, 1:4 o B l i a o n l r o DOI: 10.4172/2329-9002.1000122 u g o y J Evolutionary Biology ISSN: 2329-9002 Research Article Open Access Phylogenetic Analyses of the Genus Hymenobacter and Description of Siccationidurans gen. nov., and Parahymenobacter gen. nov Gundlapally Sathyanarayana Reddy* CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad-500 007, India Abstract Phylogenetic analyses of 26 species of the genus Hymenobacter based on the 16S rRNA gene sequences, resulted in polyphyletic clustering with three major groups, arbitrarily named as Clade1, Clade2 and Clade3. Delineation of Clade1 and Clade3 from Clade2 was supported by robust clustering and high bootstrap values of more than 90% and 100% in all the phylogenetic methods. 16S rRNA gene sequence similarity shared by Clade1 and Clade2 was 88 to 93%, Clade1 and Clade3 was 88 to 91% and Clade2 and Clade3 was 89 to 92%. Based on robust phylogenetic clustering, less than 93.0% sequence similarity, unique in silico restriction patterns, presence of distinct signature nucleotides and signature motifs in their 16S rRNA gene sequences, two more genera were carved to accommodate species of Clade1 and Clade3. The name Hymenobacter, sensu stricto, was retained to represent 17 species of Clade2. For members of Clade1 and Clade3, the names Siccationidurans gen. nov. and Parahymenobacter gen. nov. were proposed, respectively, and species belonging to Clade1 and Clade3 were transferred to their respective genera. -
The Editing of Eddic Poetry Judy Quinn
A HANDBOOK TO EDDIC POETRY This is the first comprehensive and accessible survey in English of Old Norse eddic poetry: a remarkable body of literature rooted in the Viking Age, which is a critical source for the study of early Scandinavian myths, poetics, culture, and society. Dramatically recreating the voices of the legendary past, eddic poems distil moments of high emotion as human heroes and supernatural beings alike grapple with betrayal, loyalty, mortality, and love. These poems relate the most famous deeds of gods such as Óðinn and Þórr with their adversaries the giants; they bring to life the often fraught interactions between kings, queens, and heroes as well as their encounters with valkyries, elves, dragons, and dwarfs. Written by leading international scholars, the chapters in this volume showcase the poetic riches of the eddic corpus and reveal its relevance to the history of poetics, gender studies, pre-Christian religions, art history, and archaeology. carolyne larrington is Official Fellow and Tutor at St John’s College, University of Oxford. judy quinn is Reader in Old Norse Literature in the Department of Anglo-Saxon, Norse and Celtic at the University of Cambridge. brittany schorn is a Research Associate in the Department of Anglo-Saxon, Norse and Celtic at the University of Cambridge. A HANDBOOK TO EDDIC POETRY Myths and Legends of Early Scandinavia CAROLYNE LARRINGTON University of Oxford JUDY QUINN University of Cambridge BRITTANY SCHORN University of Cambridge University Printing House, Cambridge cb2 8bs, United Kingdom Cambridge University Press is part of the University of Cambridge. It furthers the University’s mission by disseminating knowledge in the pursuit of education, learning, and research at the highest international levels of excellence.