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The 2014 Golden Gate National Parks Bioblitz - Data Management and the Event Species List Achieving a Quality Dataset from a Large Scale Event
National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science The 2014 Golden Gate National Parks BioBlitz - Data Management and the Event Species List Achieving a Quality Dataset from a Large Scale Event Natural Resource Report NPS/GOGA/NRR—2016/1147 ON THIS PAGE Photograph of BioBlitz participants conducting data entry into iNaturalist. Photograph courtesy of the National Park Service. ON THE COVER Photograph of BioBlitz participants collecting aquatic species data in the Presidio of San Francisco. Photograph courtesy of National Park Service. The 2014 Golden Gate National Parks BioBlitz - Data Management and the Event Species List Achieving a Quality Dataset from a Large Scale Event Natural Resource Report NPS/GOGA/NRR—2016/1147 Elizabeth Edson1, Michelle O’Herron1, Alison Forrestel2, Daniel George3 1Golden Gate Parks Conservancy Building 201 Fort Mason San Francisco, CA 94129 2National Park Service. Golden Gate National Recreation Area Fort Cronkhite, Bldg. 1061 Sausalito, CA 94965 3National Park Service. San Francisco Bay Area Network Inventory & Monitoring Program Manager Fort Cronkhite, Bldg. 1063 Sausalito, CA 94965 March 2016 U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Fort Collins, Colorado The National Park Service, Natural Resource Stewardship and Science office in Fort Collins, Colorado, publishes a range of reports that address natural resource topics. These reports are of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public. The Natural Resource Report Series is used to disseminate comprehensive information and analysis about natural resources and related topics concerning lands managed by the National Park Service. -
Metaproteogenomic Insights Beyond Bacterial Response to Naphthalene
ORIGINAL ARTICLE ISME Journal – Original article Metaproteogenomic insights beyond bacterial response to 5 naphthalene exposure and bio-stimulation María-Eugenia Guazzaroni, Florian-Alexander Herbst, Iván Lores, Javier Tamames, Ana Isabel Peláez, Nieves López-Cortés, María Alcaide, Mercedes V. del Pozo, José María Vieites, Martin von Bergen, José Luis R. Gallego, Rafael Bargiela, Arantxa López-López, Dietmar H. Pieper, Ramón Rosselló-Móra, Jesús Sánchez, Jana Seifert and Manuel Ferrer 10 Supporting Online Material includes Text (Supporting Materials and Methods) Tables S1 to S9 Figures S1 to S7 1 SUPPORTING TEXT Supporting Materials and Methods Soil characterisation Soil pH was measured in a suspension of soil and water (1:2.5) with a glass electrode, and 5 electrical conductivity was measured in the same extract (diluted 1:5). Primary soil characteristics were determined using standard techniques, such as dichromate oxidation (organic matter content), the Kjeldahl method (nitrogen content), the Olsen method (phosphorus content) and a Bernard calcimeter (carbonate content). The Bouyoucos Densimetry method was used to establish textural data. Exchangeable cations (Ca, Mg, K and 10 Na) extracted with 1 M NH 4Cl and exchangeable aluminium extracted with 1 M KCl were determined using atomic absorption/emission spectrophotometry with an AA200 PerkinElmer analyser. The effective cation exchange capacity (ECEC) was calculated as the sum of the values of the last two measurements (sum of the exchangeable cations and the exchangeable Al). Analyses were performed immediately after sampling. 15 Hydrocarbon analysis Extraction (5 g of sample N and Nbs) was performed with dichloromethane:acetone (1:1) using a Soxtherm extraction apparatus (Gerhardt GmbH & Co. -
A Study on the Phototrophic Microbial Mat Communities of Sulphur Mountain Thermal Springs and Their Association with the Endangered, Endemic Snail Physella Johnsoni
A Study on the Phototrophic Microbial Mat Communities of Sulphur Mountain Thermal Springs and their Association with the Endangered, Endemic Snail Physella johnsoni By Michael Bilyj A thesis submitted to the Faculty of Graduate Studies in partial fulfillment of the requirements for the degree of Master of Science Department of Microbiology Faculty of Science University of Manitoba Winnipeg, Manitoba October 2011 © Copyright 2011, Michael A. Bilyj 1 Abstract The seasonal population fluctuation of anoxygenic phototrophs and the diversity of cyanobacteria at the Sulphur Mountain thermal springs of Banff, Canada were investigated and compared to the drastic population changes of the endangered snail Physella johnsoni. A new species and two strains of Rhodomicrobium were taxonomically characterized in addition to new species of Rhodobacter and Erythromicrobium. Major mat-forming organisms included Thiothrix-like species, oxygenic phototrophs of genera Spirulina, Oscillatoria, and Phormidium and purple nonsulfur bacteria Rhodobacter, Rhodopseudomonas and Rhodomicrobium. Aerobic anoxygenic phototrophs comprised upwards of 9.6 x 104 CFU/cm2 of mat or 18.9% of total aerobic heterotrophic bacterial isolates at certain sites, while maximal purple nonsulfur and purple sulfur bacteria were quantified at 3.2 x 105 and 2.0 x 106 CFU/cm2 of mat, respectively. Photosynthetic activity measurements revealed incredibly productive carbon fixation rates averaging 40.5 mg C/cm2/24 h. A temporal mismatch was observed for mat area and prokaryote-based organics to P. johnsoni population flux in a ―tracking inertia‖ manner. 2 Acknowledgements It is difficult to express sufficient gratitude to my supervisor Dr. Vladimir Yurkov for his unfaltering patience, generosity and motivation throughout this entire degree. -
Pinpointing the Origin of Mitochondria Zhang Wang Hanchuan, Hubei
Pinpointing the origin of mitochondria Zhang Wang Hanchuan, Hubei, China B.S., Wuhan University, 2009 A Dissertation presented to the Graduate Faculty of the University of Virginia in Candidacy for the Degree of Doctor of Philosophy Department of Biology University of Virginia August, 2014 ii Abstract The explosive growth of genomic data presents both opportunities and challenges for the study of evolutionary biology, ecology and diversity. Genome-scale phylogenetic analysis (known as phylogenomics) has demonstrated its power in resolving the evolutionary tree of life and deciphering various fascinating questions regarding the origin and evolution of earth’s contemporary organisms. One of the most fundamental events in the earth’s history of life regards the origin of mitochondria. Overwhelming evidence supports the endosymbiotic theory that mitochondria originated once from a free-living α-proteobacterium that was engulfed by its host probably 2 billion years ago. However, its exact position in the tree of life remains highly debated. In particular, systematic errors including sparse taxonomic sampling, high evolutionary rate and sequence composition bias have long plagued the mitochondrial phylogenetics. This dissertation employs an integrated phylogenomic approach toward pinpointing the origin of mitochondria. By strategically sequencing 18 phylogenetically novel α-proteobacterial genomes, using a set of “well-behaved” phylogenetic markers with lower evolutionary rates and less composition bias, and applying more realistic phylogenetic models that better account for the systematic errors, the presented phylogenomic study for the first time placed the mitochondria unequivocally within the Rickettsiales order of α- proteobacteria, as a sister clade to the Rickettsiaceae and Anaplasmataceae families, all subtended by the Holosporaceae family. -
The Role of Charcoal and Dietary Crude Protein Supplemented with Probiotic Escherchia Coli Strains UM2 and UM7
Gut microbiome analysis in piglet models infected with Escherchia coli K88: The role of charcoal and dietary crude protein supplemented with probiotic Escherchia coli strains UM2 and UM7. by Shahab Meshkibaf A Thesis submitted to the Faculty of Graduate Studies of The University of Manitoba in partial fulfillment of the requirements of the degree of MASTER OF SCIENCE Department of Medical Microbiology and Infectious Diseases University of Manitoba Winnipeg Copyright © 2011 by Shahab Meshkibaf ABSTRACT Entrotoxigenic Escherichia coli (ETEC) K88 is a causative agent of post-weaning diarrhea (PWD) in early-weaned pigs. This study investigated the efficacy of two alternative diets, charcoal (0.1, 0.5, 1, and 2%) and a low crude protein (CP) diet (17%) supplemented with probiotic E. coli strains (UM2 and UM7), against PWD infection in ETEC K88 challenged piglets. The present study found that charcoal had no effect on the challenged piglets’ performance, ileal and colonic microbiota or their fermentation end products. There was, however, a correlation between charcoal dosage and fecal consistency score. Charcoal reduced the ileal mucosal attached ETEC K88. Feeding a low-CP diet resulted in a lower ileal ammonia concentration. The low-CP diet reduced the E. coli populations in the ileal digesta as well as lowered mRNA expression of the IL-1ß. We concluded that the use of both 1-2% charcoal diet and a low-CP diet supplemented with probiotic E. coli strains were effective in reducing the incidence and severity of PWD infection. ACKNOWLEDGEMENTS I would like to thank all people who have helped and inspired me during my graduate study. -
Spatiotemporal Dynamics of Marine Bacterial and Archaeal Communities in Surface Waters Off the Northern Antarctic Peninsula
Spatiotemporal dynamics of marine bacterial and archaeal communities in surface waters off the northern Antarctic Peninsula Camila N. Signori, Vivian H. Pellizari, Alex Enrich Prast and Stefan M. Sievert The self-archived postprint version of this journal article is available at Linköping University Institutional Repository (DiVA): http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-149885 N.B.: When citing this work, cite the original publication. Signori, C. N., Pellizari, V. H., Enrich Prast, A., Sievert, S. M., (2018), Spatiotemporal dynamics of marine bacterial and archaeal communities in surface waters off the northern Antarctic Peninsula, Deep-sea research. Part II, Topical studies in oceanography, 149, 150-160. https://doi.org/10.1016/j.dsr2.2017.12.017 Original publication available at: https://doi.org/10.1016/j.dsr2.2017.12.017 Copyright: Elsevier http://www.elsevier.com/ Spatiotemporal dynamics of marine bacterial and archaeal communities in surface waters off the northern Antarctic Peninsula Camila N. Signori1*, Vivian H. Pellizari1, Alex Enrich-Prast2,3, Stefan M. Sievert4* 1 Departamento de Oceanografia Biológica, Instituto Oceanográfico, Universidade de São Paulo (USP). Praça do Oceanográfico, 191. CEP: 05508-900 São Paulo, SP, Brazil. 2 Department of Thematic Studies - Environmental Change, Linköping University. 581 83 Linköping, Sweden 3 Departamento de Botânica, Instituto de Biologia, Universidade Federal do Rio de Janeiro (UFRJ). Av. Carlos Chagas Filho, 373. CEP: 21941-902. Rio de Janeiro, Brazil 4 Biology Department, Woods Hole Oceanographic Institution (WHOI). 266 Woods Hole Road, Woods Hole, MA 02543, United States. *Corresponding authors: Camila Negrão Signori Address: Departamento de Oceanografia Biológica, Instituto Oceanográfico, Universidade de São Paulo, São Paulo, Brazil. -
Roseisalinus Antarcticus Gen. Nov., Sp. Nov., a Novel Aerobic Bacteriochlorophyll A-Producing A-Proteobacterium Isolated from Hypersaline Ekho Lake, Antarctica
International Journal of Systematic and Evolutionary Microbiology (2005), 55, 41–47 DOI 10.1099/ijs.0.63230-0 Roseisalinus antarcticus gen. nov., sp. nov., a novel aerobic bacteriochlorophyll a-producing a-proteobacterium isolated from hypersaline Ekho Lake, Antarctica Matthias Labrenz,13 Paul A. Lawson,2 Brian J. Tindall,3 Matthew D. Collins2 and Peter Hirsch1 Correspondence 1Institut fu¨r Allgemeine Mikrobiologie, Christian-Albrechts-Universita¨t, Kiel, Germany Matthias Labrenz 2School of Food Biosciences, University of Reading, PO Box 226, Reading RG6 6AP, UK matthias.labrenz@ 3DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder io-warnemuende.de Weg 1b, D-38124 Braunschweig, Germany A Gram-negative, aerobic to microaerophilic rod was isolated from 10 m depths of the hypersaline, heliothermal and meromictic Ekho Lake (East Antarctica). The strain was oxidase- and catalase-positive, metabolized a variety of carboxylic acids and sugars and produced lipase. Cells had an absolute requirement for artificial sea water, which could not be replaced by NaCl. A large in vivo absorption band at 870 nm indicated production of bacteriochlorophyll a. The predominant fatty acids of this organism were 16 : 0 and 18 : 1v7c, with 3-OH 10 : 0, 16 : 1v7c and 18 : 0 in lower amounts. The main polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylcholine. Ubiquinone 10 was produced. The DNA G+C content was 67 mol%. 16S rRNA gene sequence comparisons indicated that the isolate represents a member of the Roseobacter clade within the a-Proteobacteria. The organism showed no particular relationship to any members of this clade but clustered on the periphery of the genera Jannaschia, Octadecabacter and ‘Marinosulfonomonas’ and the species Ruegeria gelatinovorans. -
Microbiome Exploration of Deep-Sea Carnivorous Cladorhizidae Sponges
Microbiome exploration of deep-sea carnivorous Cladorhizidae sponges by Joost Theo Petra Verhoeven A Thesis submitted to the School of Graduate Studies in partial fulfillment of the requirements for the degree of Doctor of Philosophy Department of Biology Memorial University of Newfoundland March 2019 St. John’s, Newfoundland and Labrador ABSTRACT Members of the sponge family Cladorhizidae are unique in having replaced the typical filter-feeding strategy of sponges by a predatory lifestyle, capturing and digesting small prey. These carnivorous sponges are found in many different environments, but are particularly abundant in deep waters, where they constitute a substantial component of the benthos. Sponges are known to host a wide range of microbial associates (microbiome) important for host health, but the extent of the microbiome in carnivorous sponges has never been extensively investigated and their importance is poorly understood. In this thesis, the microbiome of two deep-sea carnivorous sponge species (Chondrocladia grandis and Cladorhiza oxeata) is investigated for the first time, leveraging recent advances in high-throughput sequencing and through custom developed bioinformatic and molecular methods. Microbiome analyses showed that the carnivorous sponges co-occur with microorganisms and large differences in the composition and type of associations were observed between sponge species. Tissues of C. grandis hosted diverse bacterial communities, similar in composition between individuals, in stark contrast to C. oxeata where low microbial diversity was found with a high host-to-host variability. In C. grandis the microbiome was not homogeneous throughout the host tissue, and significant shifts occured within community members across anatomical regions, with the enrichment of specific bacterial taxa in particular anatomical niches, indicating a potential symbiotic role of such taxa within processes like prey digestion and chemolithoautotrophy. -
Artificial Neural Network Analysis of Microbial Diversity in the Central and Southern Adriatic
www.nature.com/scientificreports OPEN Artifcial neural network analysis of microbial diversity in the central and southern Adriatic Sea Danijela Šantić1*, Kasia Piwosz2, Frano Matić1, Ana Vrdoljak Tomaš1, Jasna Arapov1, Jason Lawrence Dean3, Mladen Šolić1, Michal Koblížek3,4, Grozdan Kušpilić1 & Stefanija Šestanović1 Bacteria are an active and diverse component of pelagic communities. The identifcation of main factors governing microbial diversity and spatial distribution requires advanced mathematical analyses. Here, the bacterial community composition was analysed, along with a depth profle, in the open Adriatic Sea using amplicon sequencing of bacterial 16S rRNA and the Neural gas algorithm. The performed analysis classifed the sample into four best matching units representing heterogenic patterns of the bacterial community composition. The observed parameters were more diferentiated by depth than by area, with temperature and identifed salinity as important environmental variables. The highest diversity was observed at the deep chlorophyll maximum, while bacterial abundance and production peaked in the upper layers. The most of the identifed genera belonged to Proteobacteria, with uncultured AEGEAN-169 and SAR116 lineages being dominant Alphaproteobacteria, and OM60 (NOR5) and SAR86 being dominant Gammaproteobacteria. Marine Synechococcus and Cyanobium- related species were predominant in the shallow layer, while Prochlorococcus MIT 9313 formed a higher portion below 50 m depth. Bacteroidota were represented mostly by uncultured lineages (NS4, NS5 and NS9 marine lineages). In contrast, Actinobacteriota were dominated by a candidatus genus Ca. Actinomarina. A large contribution of Nitrospinae was evident at the deepest investigated layer. Our results document that neural network analysis of environmental data may provide a novel insight into factors afecting picoplankton in the open sea environment. -
17, 3203–3222, 2020 © Author(S) 2020
Biogeosciences, 17, 3203–3222, 2020 https://doi.org/10.5194/bg-17-3203-2020 © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. The contribution of microbial communities in polymetallic nodules to the diversity of the deep-sea microbiome of the Peru Basin (4130–4198 m depth) Massimiliano Molari1, Felix Janssen1,2, Tobias R. Vonnahme1,a, Frank Wenzhöfer1,2, and Antje Boetius1,2 1Max Planck Institute for Marine Microbiology, Bremen, Germany 2HGF MPG Joint Research Group for Deep-Sea Ecology and Technology, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany apresent address: UiT the Arctic University of Tromsø, Tromsø, Norway Correspondence: Massimiliano Molari ([email protected]) Received: 16 January 2020 – Discussion started: 3 February 2020 Revised: 27 April 2020 – Accepted: 15 May 2020 – Published: 25 June 2020 Abstract. Industrial-scale mining of deep-sea polymetal- tween the Clarion–Clipperton Fracture Zone (CCZ) and the lic nodules will remove nodules in large areas of the sea Peru Basin suggest that changes in environmental setting floor. The regrowth of the nodules by metal precipita- (e.g. sedimentation rates) also play a significant role in struc- tion is estimated to take millions of years. Thus, for fu- turing the nodule microbiome. ture mining impact studies, it is crucial to understand the role of nodules in shaping microbial diversity and function in deep-sea environments. Here we investigated microbial- community composition based on 16S rRNA gene sequences 1 Introduction retrieved from sediments and nodules of the Peru Basin (4130–4198 m water depth). The nodule field of the Peru Polymetallic nodules (or manganese nodules) occur in Basin showed a typical deep-sea microbiome, with domi- abyssal plains (4000–6000 m water depth) and consist pri- nance of the classes Gammaproteobacteria, Alphaproteobac- marily of manganese and iron as well as many other metals teria, Deltaproteobacteria, and Acidimicrobiia. -
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Hyphal Proteobacteria, Hirschia Baltica Gen. Nov. , Sp. Nov
INTERNATIONALJOURNAL OF SYSTEMATICBACTERIOLOGY, Oct. 1990, p. 443451 Vol. 40. No. 4 0020-7713/9O/040443-O9$02.00/0 Copyright 0 1990, International Union of Microbiological Societies Taxonomic and Phylogenetic Studies on a New Taxon of Budding, Hyphal Proteobacteria, Hirschia baltica gen. nov. , sp. nov. HEINZ SCHLESNER," CHRISTINA BARTELS, MANUEL SITTIG, MATTHIAS DORSCH, AND ERKO STACKEBRANDTT Institut fur Allgemeine Mikrobiologie, Christian-Albrecht-Universitat, 2300 Kiel, Federal Republic of Germany Four strains of budding, hyphal bacteria, which had very similar chemotaxonomic properties, were isolated from the Baltic Sea. The results of DNA-DNA hybridization experiments, indicated that three of the new isolates were closely related, while the fourth was only moderately related to the other three. Sequence signature and higher-order structural detail analyses of the 16s rRNA of strain IFAM 141gT (T = type strain) indicated that this isolate is related to the alpha subclass of the class Proteobacteriu. Although our isolates resemble members of the genera Hyphomicrobium and Hyphomonas in morphology, assignment to either of these genera was excluded on the basis of their markedly lower DNA guanine-plus-cytosine contents. We propose that these organisms should be placed in a new genus, Hirschiu baltica is the type species of this genus, and the type strain of H. bdtica is strain IFAM 1418 (= DSM 5838). Since the first description of a hyphal, budding bacterium, no1 and formamide were tested at concentrations of 0.02 and Hyphomicrobium vulgare (53), only the following additional 0.1% (vol/vol). Utilization of nitrogen sources was tested in genera having this morphological type have been formally M9 medium containing glucose as the carbon source.