Rrdp: Interface to the RDP Classifier
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Supplementary Information for Microbial Electrochemical Systems Outperform Fixed-Bed Biofilters for Cleaning-Up Urban Wastewater
Electronic Supplementary Material (ESI) for Environmental Science: Water Research & Technology. This journal is © The Royal Society of Chemistry 2016 Supplementary information for Microbial Electrochemical Systems outperform fixed-bed biofilters for cleaning-up urban wastewater AUTHORS: Arantxa Aguirre-Sierraa, Tristano Bacchetti De Gregorisb, Antonio Berná, Juan José Salasc, Carlos Aragónc, Abraham Esteve-Núñezab* Fig.1S Total nitrogen (A), ammonia (B) and nitrate (C) influent and effluent average values of the coke and the gravel biofilters. Error bars represent 95% confidence interval. Fig. 2S Influent and effluent COD (A) and BOD5 (B) average values of the hybrid biofilter and the hybrid polarized biofilter. Error bars represent 95% confidence interval. Fig. 3S Redox potential measured in the coke and the gravel biofilters Fig. 4S Rarefaction curves calculated for each sample based on the OTU computations. Fig. 5S Correspondence analysis biplot of classes’ distribution from pyrosequencing analysis. Fig. 6S. Relative abundance of classes of the category ‘other’ at class level. Table 1S Influent pre-treated wastewater and effluents characteristics. Averages ± SD HRT (d) 4.0 3.4 1.7 0.8 0.5 Influent COD (mg L-1) 246 ± 114 330 ± 107 457 ± 92 318 ± 143 393 ± 101 -1 BOD5 (mg L ) 136 ± 86 235 ± 36 268 ± 81 176 ± 127 213 ± 112 TN (mg L-1) 45.0 ± 17.4 60.6 ± 7.5 57.7 ± 3.9 43.7 ± 16.5 54.8 ± 10.1 -1 NH4-N (mg L ) 32.7 ± 18.7 51.6 ± 6.5 49.0 ± 2.3 36.6 ± 15.9 47.0 ± 8.8 -1 NO3-N (mg L ) 2.3 ± 3.6 1.0 ± 1.6 0.8 ± 0.6 1.5 ± 2.0 0.9 ± 0.6 TP (mg -
Deep Divergence and Rapid Evolutionary Rates in Gut-Associated Acetobacteraceae of Ants Bryan P
Brown and Wernegreen BMC Microbiology (2016) 16:140 DOI 10.1186/s12866-016-0721-8 RESEARCH ARTICLE Open Access Deep divergence and rapid evolutionary rates in gut-associated Acetobacteraceae of ants Bryan P. Brown1,2 and Jennifer J. Wernegreen1,2* Abstract Background: Symbiotic associations between gut microbiota and their animal hosts shape the evolutionary trajectories of both partners. The genomic consequences of these relationships are significantly influenced by a variety of factors, including niche localization, interaction potential, and symbiont transmission mode. In eusocial insect hosts, socially transmitted gut microbiota may represent an intermediate point between free living or environmentally acquired bacteria and those with strict host association and maternal transmission. Results: We characterized the bacterial communities associated with an abundant ant species, Camponotus chromaiodes. While many bacteria had sporadic distributions, some taxa were abundant and persistent within and across ant colonies. Specially, two Acetobacteraceae operational taxonomic units (OTUs; referred to as AAB1 and AAB2) were abundant and widespread across host samples. Dissection experiments confirmed that AAB1 and AAB2 occur in C. chromaiodes gut tracts. We explored the distribution and evolution of these Acetobacteraceae OTUs in more depth. We found that Camponotus hosts representing different species and geographical regions possess close relatives of the Acetobacteraceae OTUs detected in C. chromaiodes. Phylogenetic analysis revealed that AAB1 and AAB2 join other ant associates in a monophyletic clade. This clade consists of Acetobacteraceae from three ant tribes, including a third, basal lineage associated with Attine ants. This ant-specific AAB clade exhibits a significant acceleration of substitution rates at the 16S rDNA gene and elevated AT content. -
The Gut Microbiome of the Sea Urchin, Lytechinus Variegatus, from Its Natural Habitat Demonstrates Selective Attributes of Micro
FEMS Microbiology Ecology, 92, 2016, fiw146 doi: 10.1093/femsec/fiw146 Advance Access Publication Date: 1 July 2016 Research Article RESEARCH ARTICLE The gut microbiome of the sea urchin, Lytechinus variegatus, from its natural habitat demonstrates selective attributes of microbial taxa and predictive metabolic profiles Joseph A. Hakim1,†, Hyunmin Koo1,†, Ranjit Kumar2, Elliot J. Lefkowitz2,3, Casey D. Morrow4, Mickie L. Powell1, Stephen A. Watts1,∗ and Asim K. Bej1,∗ 1Department of Biology, University of Alabama at Birmingham, 1300 University Blvd, Birmingham, AL 35294, USA, 2Center for Clinical and Translational Sciences, University of Alabama at Birmingham, Birmingham, AL 35294, USA, 3Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA and 4Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, 1918 University Blvd., Birmingham, AL 35294, USA ∗Corresponding authors: Department of Biology, University of Alabama at Birmingham, 1300 University Blvd, CH464, Birmingham, AL 35294-1170, USA. Tel: +1-(205)-934-8308; Fax: +1-(205)-975-6097; E-mail: [email protected]; [email protected] †These authors contributed equally to this work. One sentence summary: This study describes the distribution of microbiota, and their predicted functional attributes, in the gut ecosystem of sea urchin, Lytechinus variegatus, from its natural habitat of Gulf of Mexico. Editor: Julian Marchesi ABSTRACT In this paper, we describe the microbial composition and their predictive metabolic profile in the sea urchin Lytechinus variegatus gut ecosystem along with samples from its habitat by using NextGen amplicon sequencing and downstream bioinformatics analyses. The microbial communities of the gut tissue revealed a near-exclusive abundance of Campylobacteraceae, whereas the pharynx tissue consisted of Tenericutes, followed by Gamma-, Alpha- and Epsilonproteobacteria at approximately equal capacities. -
Rhodospirillum Rubrum Type Strain (S1T)
Standards in Genomic Sciences (2011) 4:293-302 DOI:10.4056/sigs.1804360 Complete genome sequence of Rhodospirillum rubrum type strain (S1T) A. Christine Munk1, Alex Copeland2, Susan Lucas2, Alla Lapidus2, Tijana Glavina Del Rio2, Kerrie Barry2, John C. Detter1,2, Nancy Hammon2, Sanjay Israni1, Sam Pitluck2, Thomas Brettin2, David Bruce2, Cliff Han1,2, Roxanne Tapia1,2, Paul Gilna3, Jeremy Schmutz1, Frank Larimer1, Miriam Land2,4, Nikos C. Kyrpides2, Konstantinos Mavromatis2, Paul Richardson2, Manfred Rohde5, Markus Göker6, Hans-Peter Klenk6*, Yaoping Zhang7, Gary P. Roberts7, Susan Reslewic7, David C. Schwartz7 1 Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA 2 DOE Joint Genome Institute, Walnut Creek, California, USA 3 University of California San Diego, La Jolla, California, USA 4 Lawrence Livermore National Laboratory, Livermore, California, USA 5 HZI – Helmholtz Centre for Infection Research, Braunschweig, Germany 6 DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany 7 University of Wisconsin-Madison, Madison, Wisconsin, USA *Corresponding author: Hans-Peter Klenk Keywords: facultatively anaerobic, photolithotrophic, mesophile, Gram-negative, motile, Rhodospirillaceae, Alphaproteobacteria, DOEM 2002 Rhodospirillum rubrum (Esmarch 1887) Molisch 1907 is the type species of the genus Rho- dospirillum, which is the type genus of the family Rhodospirillaceae in the class Alphaproteo- bacteria. The species is of special interest because it is an anoxygenic phototroph that pro- duces extracellular elemental sulfur (instead of oxygen) while harvesting light. It contains one of the most simple photosynthetic systems currently known, lacking light harvesting complex 2. Strain S1T can grow on carbon monoxide as sole energy source. With currently over 1,750 PubMed entries, R. -
The Acetobacteraceae: Extending the Spectrum of Human Pathogens David Fredricks, Lalita Ramakrishnan
Editorial The Acetobacteraceae: Extending the Spectrum of Human Pathogens David Fredricks, Lalita Ramakrishnan atients with chronic proposed, Koch’s postulates, so named disseminated disease in patients with granulomatous disease (CGD) by the students of Robert Koch, remain neutropenia, but it is also a common P get recurrent infections with a the gold standard for proving that a colonizer of the gastrointestinal tract variety of bacterial and fungal microbe is the cause of a disease. In one of immunocompetent humans in whom pathogens as a consequence of of the most influential papers in the it does not produce disease. Further phagocyte defects in production of history of microbiology, ‘‘Die complicating matters, not every antimicrobial reactive oxygen Aetiologie der Tuberkulose’’ (‘‘The episode of neutropenic fever is caused metabolites. Patients with CGD often Etiology of Tuberculosis’’), presented by C. albicans, as other fungi, bacteria, present with clinical syndromes, such as before the Physiological Society of and viruses are also pathogens in this pneumonia or lymphadenitis, for which Berlin in 1882, Koch tried to convince setting. Koch’s postulates were no credible pathogen is identified, his colleagues that a novel bacterium, conceptualized at a time when our leading to empirical broad-spectrum Mycobacterium tuberculosis, was the cause attention was focused on clinical antibacterial and antifungal therapy. of tuberculosis [2]. syndromes such as anthrax and The question beleaguering the clinician The elements of Koch’s postulates pulmonary tuberculosis, which were so in this scenario is whether the patient is are summarized in Box 1, and it is clear distinct that they were easily infected with a common microbe (e.g., that the authors have left no stone recognizable even by the laity. -
Transition from Unclassified Ktedonobacterales to Actinobacteria During Amorphous Silica Precipitation in a Quartzite Cave Envir
www.nature.com/scientificreports OPEN Transition from unclassifed Ktedonobacterales to Actinobacteria during amorphous silica precipitation in a quartzite cave environment D. Ghezzi1,2, F. Sauro3,4,5, A. Columbu3, C. Carbone6, P.‑Y. Hong7, F. Vergara4,5, J. De Waele3 & M. Cappelletti1* The orthoquartzite Imawarì Yeuta cave hosts exceptional silica speleothems and represents a unique model system to study the geomicrobiology associated to silica amorphization processes under aphotic and stable physical–chemical conditions. In this study, three consecutive evolution steps in the formation of a peculiar blackish coralloid silica speleothem were studied using a combination of morphological, mineralogical/elemental and microbiological analyses. Microbial communities were characterized using Illumina sequencing of 16S rRNA gene and clone library analysis of carbon monoxide dehydrogenase (coxL) and hydrogenase (hypD) genes involved in atmospheric trace gases utilization. The frst stage of the silica amorphization process was dominated by members of a still undescribed microbial lineage belonging to the Ktedonobacterales order, probably involved in the pioneering colonization of quartzitic environments. Actinobacteria of the Pseudonocardiaceae and Acidothermaceae families dominated the intermediate amorphous silica speleothem and the fnal coralloid silica speleothem, respectively. The atmospheric trace gases oxidizers mostly corresponded to the main bacterial taxa present in each speleothem stage. These results provide novel understanding of the microbial community structure accompanying amorphization processes and of coxL and hypD gene expression possibly driving atmospheric trace gases metabolism in dark oligotrophic caves. Silicon is one of the most abundant elements in the Earth’s crust and can be broadly found in the form of silicates, aluminosilicates and silicon dioxide (e.g., quartz, amorphous silica). -
Glucanoacetobacter
GLUCANOACETOBACTER INTRODUCTION Glucanoacetobacter is a genuine in the phylum proto bacteria. It is like rod shape and circular ends. It can be classified as gram negative bacterium. The bacterium is known for stimulating plant growth and being tolerant to acetic acid with one to three lateral flagella and known to be found on sugar cane. Gluconacetobacter diazotrophicus was discovered in Brazil by Bladimir A Cavalcante and Johannna/Dobereiner. Domain: Bacteria Phylum: Proteobacteria Class :Alphaproteobacteria Order : Rhodospirillales Family: Acetobacteraceae Genus:Gluconacetobacter Species:G.diazotrophicus CHARACTERISTICS Originally found in Alagoas, Brazil, Gluconacetobacter diazotrophicus is a bacterium that has several interesting features and aspects which are important to note. The bacterium was first discovered by Vladimir A. Cavalcante and Johanna Dobereiner while analyzing sugarcane in Brazil. Gluconacetobacter diazotrophicus is a part of the Acetobacteraceae family and started out with the name, Saccharibacter nitrocaptans, however, the bacterium is renamed as Acetobacter diazotrophicus because the bacterium is found to belong with bacteria that are able to tolerate acetic acid. Again, the bacterium’s name was changed to Gluconacetobacter diazotrophicus when its taxonomic position was resolved using 16s ribosomal RNA analysis. In addition to being a part of the Acetobacter family, Gluconacetobacter azotrophicus belongs to the Proteobacteria phylum, the Alphaprotebacteria class, and the Gluconacetobacter genus while being a part of the Rhodosprillales order. Other nitrogen-fixing species in this same genus include Gluconacetobacter azotocaptans and Gluconacetobacter johannae. Gluconacetobacter diazotrophicus cells are shaped like rods, have ends that are circular or round, and have anywhere from one to three flagella that are lateral. Based on these descriptions of the cell, Gluconacetobacter diazotrophicus can be classified with the bacillus genus. -
Roseomonas Aerofrigidensis Sp. Nov., Isolated from an Air Conditioner
TAXONOMIC DESCRIPTION Hyeon and Jeon, Int J Syst Evol Microbiol 2017;67:4039–4044 DOI 10.1099/ijsem.0.002246 Roseomonas aerofrigidensis sp. nov., isolated from an air conditioner Jong Woo Hyeon and Che Ok Jeon* Abstract A Gram-stain-negative, strictly aerobic bacterium, designated HC1T, was isolated from an air conditioner in South Korea. Cells were orange, non-motile cocci with oxidase- and catalase-positive activities and did not contain bacteriochlorophyll a. Growth of strain HC1T was observed at 10–45 C (optimum, 30 C), pH 4.5–9.5 (optimum, pH 7.0) and 0–3 % (w/v) NaCl T (optimum, 0 %). Strain HC1 contained summed feature 8 (comprising C18 : 1!7c/C18 : 1!6c), C16 : 0 and cyclo-C19 : 0!8c as the major fatty acids and ubiquinone-10 as the sole isoprenoid quinone. Phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine and an unknown aminolipid were detected as the major polar lipids. The major carotenoid was hydroxyspirilloxanthin. The G+C content of the genomic DNA was 70.1 mol%. Phylogenetic analysis, based on 16S rRNA gene sequences, showed that strain HC1T formed a phylogenetic lineage within the genus Roseomonas. Strain HC1T was most closely related to the type strains of Roseomonas oryzae, Roseomonas rubra, Roseomonas aestuarii and Roseomonas rhizosphaerae with 98.1, 97.9, 97.6 and 96.8 % 16S rRNA gene sequence similarities, respectively, but the DNA–DNA relatedness values between strain HC1T and closely related type strains were less than 70 %. Based on phenotypic, chemotaxonomic and molecular properties, strain HC1T represents a novel species of the genus Roseomonas, for which the name Roseomonas aerofrigidensis sp. -
Acetobacteraceae Sp., Strain AT-5844 Catalog No
Product Information Sheet for HM-648 Acetobacteraceae sp., Strain AT-5844 immediately upon arrival. For long-term storage, the vapor phase of a liquid nitrogen freezer is recommended. Freeze- thaw cycles should be avoided. Catalog No. HM-648 Growth Conditions: For research use only. Not for human use. Media: Tryptic Soy broth or equivalent Contributor: Tryptic Soy agar with 5% sheep blood or Chocolate agar or Carey-Ann Burnham, Ph.D., Medical Director of equivalent Microbiology, Department of Pediatrics, Washington Incubation: University School of Medicine, St. Louis, Missouri, USA Temperature: 35°C Atmosphere: Aerobic with 5% CO2 Manufacturer: Propagation: BEI Resources 1. Keep vial frozen until ready for use, then thaw. 2. Transfer the entire thawed aliquot into a single tube of Product Description: broth. Bacteria Classification: Rhodospirillales, Acetobacteraceae 3. Use several drops of the suspension to inoculate an agar Species: Acetobacteraceae sp. slant and/or plate. Strain: AT-5844 4. Incubate the tube, slant and/or plate at 35°C for 18-24 Original Source: Acetobacteraceae sp., strain AT-5844 was hours. isolated at the St. Louis Children’s Hospital in Missouri, USA, on May 28, 2010, from a leg wound infection of a Citation: human patient that was stepped on by a bull.1 Acknowledgment for publications should read “The following Comments: Acetobacteraceae sp., strain AT-5844 (HMP ID reagent was obtained through BEI Resources, NIAID, NIH as 9946) is a reference genome for The Human Microbiome part of the Human Microbiome Project: Acetobacteraceae Project (HMP). HMP is an initiative to identify and sp., Strain AT-5844, HM-648.” characterize human microbial flora. -
Model for the Light-Harvesting Complex I (B875) of Rhodobacter Sphaeroides
Biophysical Journal Volume 75 August 1998 683–694 683 Model for the Light-Harvesting Complex I (B875) of Rhodobacter sphaeroides Xiche Hu and Klaus Schulten Beckman Institute and Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 USA ABSTRACT The light-harvesting complex I (LH-I) of Rhodobacter sphaeroides has been modeled computationally as a hexadecamer of ab-heterodimers, based on a close homology of the heterodimer to that of light-harvesting complex II (LH-II) of Rhodospirillum molischianum. The resulting LH-I structure yields an electron density projection map that is in agreement with an 8.5-Å resolution electron microscopic projection map for the highly homologous LH-I of Rs. rubrum. A complex of the modeled LH-I with the photosynthetic reaction center of the same species has been obtained by a constrained conforma- tional search. This complex and the available structures of LH-II from Rs. molischianum and Rhodopseudomonas acidophila furnish a complete model of the pigment organization in the photosynthetic membrane of purple bacteria. INTRODUCTION The photosynthetic unit (PSU) of purple bacteria is a nano- rophylls (BChls) and carotenoids, of all the pigment protein metric assembly in the intracytoplasmic membranes and complexes (van Grondelle et al., 1994; Hu and Schulten, consists of two types of pigment-protein complexes, the 1997a). To understand the mechanisms underlying the ef- photosynthetic reaction center (RC) and light-harvesting ficient excitation energy transfer in the bacterial PSU, struc- complexes (LHs). The LHs capture sunlight and transfer the tural information of each component and of the overall excitation energy to the RC where it serves to initiate a assembly of all the components is needed. -
Complete Genome Sequence of the Nitrogen-Fixing Bacterium Azospirillum Humicireducens Type Strain Sgz-5T
Yu et al. Standards in Genomic Sciences (2018) 13:28 https://doi.org/10.1186/s40793-018-0322-2 SHORT GENOME REPORT Open Access Complete genome sequence of the nitrogen-fixing bacterium Azospirillum humicireducens type strain SgZ-5T Zhen Yu1, Guiqin Yang1, Xiaoming Liu1, Yueqiang Wang1, Li Zhuang2* and Shungui Zhou3 Abstract The Azospirillum humicireducens strain SgZ-5T, belonging to the Order Rhodospirillales and the Family Rhodospirillaceae, was isolated from a microbial fuel cell inoculated with paddy soil. A previous work has shown that strain SgZ-5T was able to fix atmospheric nitrogen involved in plant growth promotion. Here we present the complete genome of A. humicireducens SgZ-5T, which consists of a circular chromosome and six plasmids with the total genome size of 6,834,379 bp and the average GC content of 67.55%. Genome annotations predicted 5969 protein coding and 85 RNA genes including 14 rRNA and 67 tRNA genes. By genomic analysis, we identified a complete set of genes that is potentially involved in nitrogen fixation and its regulation. This genome also harbors numerous genes that are likely responsible for phytohormones production. We anticipate that the A. humicireducens SgZ-5T genome will contribute insights into plant growth promoting properties of Azospirillum strains. Keywords: Azospirillum humicireducens, Complete genome, Nitrogen fixation, PGPP Introduction report [11], the nitrogen-fixing capability of strain Bacteria that live in the plant rhizosphere and possess a SgZ-5T was confirmed by acetylene-reduction assay and large array of potential mechanisms to enhance plant identification of a nifH gene. Furthermore, this strain growth are considered as PGPR [1–3]. -
Single-Cell Genomics of a Rare Environmental Alphaproteobacterium Provides Unique Insights Into Rickettsiaceae Evolution
The ISME Journal (2015) 9, 2373–2385 © 2015 International Society for Microbial Ecology All rights reserved 1751-7362/15 www.nature.com/ismej ORIGINAL ARTICLE Single-cell genomics of a rare environmental alphaproteobacterium provides unique insights into Rickettsiaceae evolution Joran Martijn1, Frederik Schulz2, Katarzyna Zaremba-Niedzwiedzka1, Johan Viklund1, Ramunas Stepanauskas3, Siv GE Andersson1, Matthias Horn2, Lionel Guy1,4 and Thijs JG Ettema1 1Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden; 2Division of Microbial Ecology, Department of Microbiology and Ecosystem Science, University of Vienna, Vienna, Austria; 3Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, USA and 4Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden The bacterial family Rickettsiaceae includes a group of well-known etiological agents of many human and vertebrate diseases, including epidemic typhus-causing pathogen Rickettsia prowazekii. Owing to their medical relevance, rickettsiae have attracted a great deal of attention and their host-pathogen interactions have been thoroughly investigated. All known members display obligate intracellular lifestyles, and the best-studied genera, Rickettsia and Orientia, include species that are hosted by terrestrial arthropods. Their obligate intracellular lifestyle and host adaptation is reflected in the small size of their genomes, a general feature shared with all other families of the Rickettsiales. Yet, despite that the Rickettsiaceae and other Rickettsiales families have been extensively studied for decades, many details of the origin and evolution of their obligate host-association remain elusive. Here we report the discovery and single-cell sequencing of ‘Candidatus Arcanobacter lacustris’, a rare environmental alphaproteobacterium that was sampled from Damariscotta Lake that represents a deeply rooting sister lineage of the Rickettsiaceae.