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Genome Signature-Based Dissection of Human Gut Metagenomes to Extract Subliminal Viral Sequences
ARTICLE Received 16 Apr 2013 | Accepted 8 Aug 2013 | Published 16 Sep 2013 DOI: 10.1038/ncomms3420 OPEN Genome signature-based dissection of human gut metagenomes to extract subliminal viral sequences Lesley A. Ogilvie1, Lucas D. Bowler1, Jonathan Caplin2, Cinzia Dedi1, David Diston2,w, Elizabeth Cheek3, Huw Taylor2, James E. Ebdon2 & Brian V. Jones1 Bacterial viruses (bacteriophages) have a key role in shaping the development and functional outputs of host microbiomes. Although metagenomic approaches have greatly expanded our understanding of the prokaryotic virosphere, additional tools are required for the phage- oriented dissection of metagenomic data sets, and host-range affiliation of recovered sequences. Here we demonstrate the application of a genome signature-based approach to interrogate conventional whole-community metagenomes and access subliminal, phylogen- etically targeted, phage sequences present within. We describe a portion of the biological dark matter extant in the human gut virome, and bring to light a population of potentially gut- specific Bacteroidales-like phage, poorly represented in existing virus like particle-derived viral metagenomes. These predominantly temperate phage were shown to encode functions of direct relevance to human health in the form of antibiotic resistance genes, and provided evidence for the existence of putative ‘viral-enterotypes’ among this fraction of the human gut virome. 1 Centre for Biomedical and Health Science Research, School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton BN2 4GJ, UK. 2 School of Environment and Technology, University of Brighton, Brighton BN2 4GJ, UK. 3 School of Computing, Engineering and Mathematics, University of Brighton, Brighton BN2 4GJ, UK. w Present address: Mikrobiologische and Biotechnologische Risiken Bundesamt fu¨r Gesundheit BAG, 3003 Bern, Switzerland. -
Comparative Genomic Analysis of Three Pseudomonas
microorganisms Article Comparative Genomic Analysis of Three Pseudomonas Species Isolated from the Eastern Oyster (Crassostrea virginica) Tissues, Mantle Fluid, and the Overlying Estuarine Water Column Ashish Pathak 1, Paul Stothard 2 and Ashvini Chauhan 1,* 1 Environmental Biotechnology Laboratory, School of the Environment, 1515 S. Martin Luther King Jr. Blvd., Suite 305B, FSH Science Research Center, Florida A&M University, Tallahassee, FL 32307, USA; [email protected] 2 Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G2P5, Canada; [email protected] * Correspondence: [email protected]; Tel.: +1-850-412-5119; Fax: +1-850-561-2248 Abstract: The eastern oysters serve as important keystone species in the United States, especially in the Gulf of Mexico estuarine waters, and at the same time, provide unparalleled economic, ecological, environmental, and cultural services. One ecosystem service that has garnered recent attention is the ability of oysters to sequester impurities and nutrients, such as nitrogen (N), from the estuarine water that feeds them, via their exceptional filtration mechanism coupled with microbially-mediated denitrification processes. It is the oyster-associated microbiomes that essentially provide these myriads of ecological functions, yet not much is known on these microbiota at the genomic scale, especially from warm temperate and tropical water habitats. Among the suite of bacterial genera that appear to interplay with the oyster host species, pseudomonads deserve further assessment because Citation: Pathak, A.; Stothard, P.; of their immense metabolic and ecological potential. To obtain a comprehensive understanding on Chauhan, A. Comparative Genomic this aspect, we previously reported on the isolation and preliminary genomic characterization of Analysis of Three Pseudomonas Species three Pseudomonas species isolated from minced oyster tissue (P. -
Three New Genome Assemblies Support a Rapid Radiation in Musa Acuminata (Wild Banana)
GBE Three New Genome Assemblies Support a Rapid Radiation in Musa acuminata (Wild Banana) Mathieu Rouard1,*, Gaetan Droc2,3, Guillaume Martin2,3,JulieSardos1, Yann Hueber1, Valentin Guignon1, Alberto Cenci1,Bjo¨rnGeigle4,MarkS.Hibbins5,6, Nabila Yahiaoui2,3, Franc-Christophe Baurens2,3, Vincent Berry7,MatthewW.Hahn5,6, Angelique D’Hont2,3,andNicolasRoux1 1Bioversity International, Parc Scientifique Agropolis II, Montpellier, France 2CIRAD, UMR AGAP, Montpellier, France 3AGAP, Univ Montpellier, CIRAD, INRA, Montpellier SupAgro, France 4Computomics GmbH, Tuebingen, Germany 5Department of Biology, Indiana University 6Department of Computer Science, Indiana University 7LIRMM, Universite de Montpellier, CNRS, Montpellier, France *Corresponding author: E-mail: [email protected]. Accepted: October 10, 2018 Data deposition: Raw sequence reads for de novo assemblies were deposited in the Sequence Read Archive (SRA) of the National Center for Biotechnology Information (NCBI) (BioProject: PRJNA437930 and SRA: SRP140622). Genome Assemblies and gene annotation data are available on the Banana Genome Hub (Droc G, Lariviere D, Guignon V, Yahiaoui N, This D, Garsmeur O, Dereeper A, Hamelin C, Argout X, Dufayard J-F, Lengelle J, Baurens F–C, Cenci A, Pitollat B, D’Hont A, Ruiz M, Rouard M, Bocs S. The Banana Genome Hub. Database (2013) doi:10.1093/ database/bat035) (http://banana-genome-hub.southgreen.fr/species-list). Cluster and gene tree results are available on a dedicated database (http://panmusa.greenphyl.org) hosted on the South Green Bioinformatics Platform (Guignon et al. 2016). Additional data sets are made available on Dataverse: https://doi.org/10.7910/DVN/IFI1QU. Abstract Edible bananas result from interspecific hybridization between Musa acuminata and Musa balbisiana,aswellasamongsubspeciesin M. -
The Contribution of Mitochondrial Metagenomics to Large-Scale Data
Molecular Phylogenetics and Evolution 128 (2018) 1–11 Contents lists available at ScienceDirect Molecular Phylogenetics and Evolution journal homepage: www.elsevier.com/locate/ympev The contribution of mitochondrial metagenomics to large-scale data mining and phylogenetic analysis of Coleoptera T ⁎ Benjamin Linarda,i,j, , Alex Crampton-Platta,b,k, Jerome Morinierec, Martijn J.T.N. Timmermansa,d, Carmelo Andújara,b,l, Paula Arribasa,b,l, Kirsten E. Millera,b,m, Julia Lipeckia,n, Emeline Favreaua,o, Amie Huntera, Carola Gómez-Rodrígueze, Christopher Bartona,p, Ruie Niea,f, Conrad P.D.T. Gilletta,q, Thijmen Breeschotena,g,r, Ladislav Bocakh, Alfried P. Voglera,b a Department of Life Sciences, Natural History Museum, London SW7 5BD, United Kingdom b Department of Life Sciences, Silwood Park Campus, Imperial College London, Ascot SL5 7PY, United Kingdom c Bavarian State Collection of Zoology (SNSB – ZSM), Münchhausenstrasse 21, 81247 München, Germany d Department of Natural Sciences, Hendon Campus, Middlesex University, London NW4 4BT, United Kingdom e Departamento de Zoología, Facultad de Biología, Universidad de Santiago de Compostela, c/ Lope Gómez de Marzoa s/n, 15782 Santiago de Compostela, Spain f Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China g Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands h Department of Zoology, Faculty of Science, Palacky University, 17. listopadu 50, 771 46 Olomouc, Czech Republic i LIRMM, Univ. Montpellier, -
Genome-Contric Metagenomic Investigation of 134 Samples
GENOME-CONTRIC METAGENOMIC INVESTIGATION OF 134 SAMPLES COLLECTED FROM BIOGAS REACTORS REVEALED IMPORTANT FUNCTIONAL ROLES FOR MICROBIAL SPECIES BELONGING TO UNDEREXPLORED TAXA Campanaro, S.1, Luo, G.2, Treu, L.3 Kougias, P.G.4, Zhu X.3, Angelidaki, I.3 1 University of Padova, Department of Biology, Via U. Bassi, 58b, 35131 Padova (PD), Italy 2 Fudan University, Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), 200433, Shanghai, China 3 Technical University of Denmark, Department of Environmental Engineering, Kgs. Lyngby DK-2800, Denmark 4 Institute of Animal Science, Hellenic Agricultural Organization DEMETER, Paralimni, Greece e-mail of the corresponding author: [email protected] Keywords: anaerobic digestion; metagenomics; metagenome-assembled genomes; taxonomy. INTRODUCTION In the past four years many samples collected from full-scale biogas plants and lab-scale reactors have been investigated using Illumina shotgun sequencing approaches and deposited in NCBI Sequence Read Archive database. In all these reactors, the Anaerobic Digestion (AD) process is performed by a plethora of different microorganisms organized in a complex functional network where different species have distinct roles in degradation of organic matter. Difficulties associated to cultivation of many prokaryotes present in natural and engineered ecosystems strongly limits the possibility to expand our knowledge regarding their physiology, genetics and function (Tringe and Rubin, 2005). Thanks to the bioinformatics approaches recently developed, which allow the reconstruction of microbial genomes starting from shotgun DNA sequences obtained from mixed cultures (Campanaro et al., 2016), it is now becoming possible to reveal the functional roles of microbial species resisting cultivation in axenic cultures. -
UNIVERSITY of CALIFORNIA, SAN DIEGO the Comparative Genomics
UNIVERSITY OF CALIFORNIA, SAN DIEGO The Comparative Genomics of Salinispora and the Distribution and Abundance of Secondary Metabolite Genes in Marine Plankton A Dissertation submitted in partial satisfaction of the requirements for the degree Doctor of Philosophy in Marine Biology by Kevin Matthew Penn Committee in charge: Paul R. Jensen, Chair Eric Allen Lin Chao Bradley Moore Brian Palenik Forest Rohwer 2012 UMI Number: 3499839 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent on the quality of the copy submitted. In the unlikely event that the author did not send a complete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. UMI 3499839 Copyright 2012 by ProQuest LLC. All rights reserved. This edition of the work is protected against unauthorized copying under Title 17, United States Code. ProQuest LLC. 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, MI 48106 - 1346 Copyright Kevin Matthew Penn, 2012 All rights reserved The Dissertation of Kevin Matthew Penn is approved, and it is acceptable in quality and form for publication on microfilm and electronically: Chair University of California, San Diego 2012 iii DEDICATION I dedicate this dissertation to my Mom Gail Penn and my Father Lawrence Penn they deserve more credit then any person could imagine. They have supported me through the good times and the bad times. They have never given up on me and they are always excited to know that I am doing well. They just want the best for me. -
Molecular Complexity of Successive Bacterial Epidemics Deconvoluted by Comparative Pathogenomics
Molecular complexity of successive bacterial epidemics deconvoluted by comparative pathogenomics Stephen B. Beresa,b, Ronan K. Carrolla,b, Patrick R. Sheaa,b, Izabela Sitkiewicza,b, Juan Carlos Martinez-Gutierreza,b, Donald E. Lowc, Allison McGeerd, Barbara M. Willeyd, Karen Greend, Gregory J. Tyrrelld, Thomas D. Goldmanf, Michael Feldgardeng, Bruce W. Birreng, Yuriy Fofanovh, John Boosi, William D. Wheatoni, Christiane Honischf, and James M. Mussera,b,1 aCenter for Molecular and Translational Human Infectious Diseases Research, The Methodist Hospital Research Institute, and bDepartment of Pathology, The Methodist Hospital, Houston, TX 77030; cOntario Agency for Health Protection and Promotion, and University of Toronto, Toronto, ON M5G 1X5, Canada; dDepartment of Microbiology, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; eDepartment of Laboratory medicine and Pathology, University of Alberta, Edmonton, AB T6G 2J2, Canada; fSequenom, Inc., San Diego, CA 92121; gBroad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02142; hDepartment of Computer Science and Department of Biology and Biochemistry, University of Houston, Houston, TX 77204; and iRTI International, Research Triangle Park, NC 27709 Edited* by Charles R. Cantor, Sequenom Inc., San Diego, CA, and approved December 14, 2009 (received for review September 30, 2009) Understanding the fine-structure molecular architecture of bacterial century that GAS has the capacity to cause epidemics charac- epidemics has been a long-sought goal of infectious disease research. terized by rapid increase in disease frequency and severity. For We used short-read-length DNA sequencing coupled with mass example, Weech (6) described an epidemic of septic scarlet fever spectroscopy analysis of SNPs to study the molecular pathogenomics in Yunnanfu, China, that killed 50,000 people, fully 25% of the of three successive epidemics of invasive infections involving 344 population of the province. -
View: Latest Perspectives on Antiinflammatory Actions of Glucocorticoids
Fleuren et al. BioData Mining 2013, 6:2 http://www.biodatamining.org/content/6/1/2 BioData Mining RESEARCH Open Access Identification of new biomarker candidates for glucocorticoid induced insulin resistance using literature mining Wilco WM Fleuren1,2, Erik JM Toonen3, Stefan Verhoeven4, Raoul Frijters1,6, Tim Hulsen1,7, Ton Rullmann5, René van Schaik4, Jacob de Vlieg1,4 and Wynand Alkema1,8* * Correspondence: [email protected] Abstract 1Computational Drug Discovery (CDD), CMBI, NCMLS, Radboud Background: Glucocorticoids are potent anti-inflammatory agents used for the University Nijmegen Medical Centre, treatment of diseases such as rheumatoid arthritis, asthma, inflammatory bowel P.O. Box 91016500 HB, Nijmegen, disease and psoriasis. Unfortunately, usage is limited because of metabolic side- The Netherlands 8Present address: NIZO Food effects, e.g. insulin resistance, glucose intolerance and diabetes. To gain more insight Research BV, Ede, The Netherlands into the mechanisms behind glucocorticoid induced insulin resistance, it is important Full list of author information is to understand which genes play a role in the development of insulin resistance and available at the end of the article which genes are affected by glucocorticoids. Medline abstracts contain many studies about insulin resistance and the molecular effects of glucocorticoids and thus are a good resource to study these effects. Results: We developed CoPubGene a method to automatically identify gene-disease associations in Medline abstracts. We used this method to create a literature network of genes related to insulin resistance and to evaluate the importance of the genes in this network for glucocorticoid induced metabolic side effects and anti-inflammatory processes. -
Compact Graphical Representation of Phylogenetic Data and Metadata with Graphlan
Compact graphical representation of phylogenetic data and metadata with GraPhlAn The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Asnicar, Francesco, George Weingart, Timothy L. Tickle, Curtis Huttenhower, and Nicola Segata. 2015. “Compact graphical representation of phylogenetic data and metadata with GraPhlAn.” PeerJ 3 (1): e1029. doi:10.7717/peerj.1029. http://dx.doi.org/10.7717/ peerj.1029. Published Version doi:10.7717/peerj.1029 Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:17820708 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA Compact graphical representation of phylogenetic data and metadata with GraPhlAn Francesco Asnicar1, George Weingart2, Timothy L. Tickle3, Curtis Huttenhower2,3 and Nicola Segata1 1 Centre for Integrative Biology (CIBIO), University of Trento, Italy 2 Biostatistics Department, Harvard School of Public Health, USA 3 Broad Institute of MIT and Harvard, USA ABSTRACT The increased availability of genomic and metagenomic data poses challenges at multiple analysis levels, including visualization of very large-scale microbial and microbial community data paired with rich metadata. We developed GraPhlAn (Graphical Phylogenetic Analysis), a computational tool that produces high-quality, compact visualizations of microbial genomes and metagenomes. This includes phylogenies spanning up to thousands of taxa, annotated with metadata ranging from microbial community abundances to microbial physiology or host and environmental phenotypes. GraPhlAn has been developed as an open-source command-driven tool in order to be easily integrated into complex, publication- quality bioinformatics pipelines. -
Swabs to Genomes: a Comprehensive Workflow
UC Davis UC Davis Previously Published Works Title Swabs to genomes: a comprehensive workflow. Permalink https://escholarship.org/uc/item/3817d8gj Journal PeerJ, 3(5) ISSN 2167-8359 Authors Dunitz, Madison I Lang, Jenna M Jospin, Guillaume et al. Publication Date 2015 DOI 10.7717/peerj.960 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Swabs to genomes: a comprehensive workflow Madison I. Dunitz1,3 , Jenna M. Lang1,3 , Guillaume Jospin1, Aaron E. Darling2, Jonathan A. Eisen1 and David A. Coil1 1 UC Davis, Genome Center, USA 2 ithree institute, University of Technology Sydney, Australia 3 These authors contributed equally to this work. ABSTRACT The sequencing, assembly, and basic analysis of microbial genomes, once a painstaking and expensive undertaking, has become much easier for research labs with access to standard molecular biology and computational tools. However, there are a confusing variety of options available for DNA library preparation and sequencing, and inexperience with bioinformatics can pose a significant barrier to entry for many who may be interested in microbial genomics. The objective of the present study was to design, test, troubleshoot, and publish a simple, comprehensive workflow from the collection of an environmental sample (a swab) to a published microbial genome; empowering even a lab or classroom with limited resources and bioinformatics experience to perform it. Subjects Bioinformatics, Genomics, Microbiology Keywords Workflow, Microbial genomics, Genome sequencing, Genome assembly, Bioinformatics INTRODUCTION Thanks to decreases in cost and diYculty, sequencing the genome of a microorganism is becoming a relatively common activity in many research and educational institutions. -
Comparative and Genetic Analysis of the Four Sequenced Paenibacillus
Eastman et al. BMC Genomics 2014, 15:851 http://www.biomedcentral.com/1471-2164/15/851 RESEARCH ARTICLE Open Access Comparative and genetic analysis of the four sequenced Paenibacillus polymyxa genomes reveals a diverse metabolism and conservation of genes relevant to plant-growth promotion and competitiveness Alexander W Eastman1,2, David E Heinrichs2 and Ze-Chun Yuan1,2* Abstract Background: Members of the genus Paenibacillus are important plant growth-promoting rhizobacteria that can serve as bio-reactors. Paenibacillus polymyxa promotes the growth of a variety of economically important crops. Our lab recently completed the genome sequence of Paenibacillus polymyxa CR1. As of January 2014, four P. polymyxa genomes have been completely sequenced but no comparative genomic analyses have been reported. Results: Here we report the comparative and genetic analyses of four sequenced P. polymyxa genomes, which revealed a significantly conserved core genome. Complex metabolic pathways and regulatory networks were highly conserved and allow P. polymyxa to rapidly respond to dynamic environmental cues. Genes responsible for phytohormone synthesis, phosphate solubilization, iron acquisition, transcriptional regulation, σ-factors, stress responses, transporters and biomass degradation were well conserved, indicating an intimate association with plant hosts and the rhizosphere niche. In addition, genes responsible for antimicrobial resistance and non-ribosomal peptide/polyketide synthesis are present in both the core and accessory genome of each strain. Comparative analyses also reveal variations in the accessory genome, including large plasmids present in strains M1 and SC2. Furthermore, a considerable number of strain-specific genes and genomic islands are irregularly distributed throughout each genome. Although a variety of plant-growth promoting traits are encoded by all strains, only P. -
Ubin – a Manual Refining Tool for Metagenomic Bins Designed for Educational 2 Purposes 3 4 Till L.V
bioRxiv preprint doi: https://doi.org/10.1101/2020.07.15.204776; this version posted July 16, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 uBin – a manual refining tool for metagenomic bins designed for educational 2 purposes 3 4 Till L.V. Bornemann1, Sarah P. Esser1, Tom L. Stach1, Tim Burg2, and Alexander J. Probst1 5 6 1: Institute for Environmental Microbiology and Biotechnology, Department of Chemistry, 7 University Duisburg-Essen, Germany 8 2: Tim Burg, Im Acker 59, 56072 Koblenz, Germany 9 10 To whom the correspondence should be addressed: 11 [email protected] 12 13 Abstract 14 15 Resolving bacterial and archaeal genomes from metagenomes has revolutionized our 16 understanding of Earth’s biomes, yet producing high quality genomes from assembled 17 fragments has been an ever-standing problem. While automated binning software and their 18 combination produce prokaryotic bins in high-throughput, their manual refinement has been 19 slow and sometimes difficult. Here, we present uBin, a GUI-based, standalone bin refiner that 20 runs on all major operating platforms and was specifically designed for educational purposes. 21 When applied to the public CAMI dataset, refinement of bins was able to improve 78.9% of 22 bins by decreasing their contamination. We also applied the bin refiner as a standalone binner 23 to public metagenomes from the International Space Station and demonstrate the recovery of 24 near-complete genomes, whose replication indices indicate active proliferation of microbes in 25 Earth’s lower orbit.