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Validation of the Asaim Framework and Its Workflows on HMP Mock Community Samples
Validation of the ASaiM framework and its workflows on HMP mock community samples The ASaiM framework and its workflows have been tested and validated on two mock metagenomic data of an artificial community (with 22 known microbial strains). The datasets are available on EBI metagenomics database (project accession number: SRP004311). First we checked that the targeted abundances (based on number of PCR product) from both mock datasets were similar to the effective abundance (by mapping reads on reference genomes). Second, taxonomic and functional results produced by the ASaiM framework have been extensively analyzed and compared to expectations and to results obtained with the EBI metagenomics pipeline (S. Hunter et al. 2014). For these datasets, the ASaiM framework produces accurate and precise taxonomic assignations, different functional results (gene families, pathways, GO slim terms) and results combining taxonomic and functional information. Despite almost 1.4 million of raw metagenomic sequences, these analyses were executed in less than 6h on a commodity computer. Hence, the ASaiM framework and its workflows are proven to be relevant for the analysis of microbiota datasets. 1Data On EBI metagenomics database, two mock community samples for Human Microbiome Project (HMP) are available. Both samples contain a genomic mixture of 22 known microbial strains. Relative abundance of each strain has been targeted using the number of PCR product of their respective 16S sequences (Table 1). In first sample (SRR072232), the targeted 16S copies of the strains vary by up to four orders of magnitude between the strains (Table 1), whereas in second sample (SRR072233) the same 16S copy number is targeted for each strain (Table 1). -
Canine Streptococcal Toxic Shock Syndrome Associated with Necrotizing Fasciitis: an Overview
Vet. World, 2012, Vol.5(5):311-319 REVIEW Canine Streptococcal Toxic Shock Syndrome associated with Necrotizing Fasciitis: An Overview Barkha Sharma*1 , Mukesh Kumar Srivastava2 , Ashish Srivastava2 and Rashmi Singh1 1.Department of Epidemiology and Veterinary Preventive Medicine, 2.Department of Veterinary Medicine, Pandit deen Dayal Upadhyay Pashuchikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU) Mathura, UP, 281001, India * Corresponding author email: [email protected] Received: 18-09-2011, Accepted: 23-10-2011, Published Online: 21-01-2012 doi: 10.5455/vetworld.2012.311-319 Abstract Canine Toxic Shock Syndrome (CSTSS) is a serious often fatal disease syndrome seen in dogs caused as a result of an infection caused by gram positive cocci of the family Streptococci. The main bacterium involved in the etiology of Canine Streptococcal Toxic Shock Syndrome is Streptoccoccus canis, which was discovered by Deveriese in 1986 and implicated as a cause of this disease syndrome in 1996 by Miller and Prescott. The clinical findings in this syndrome are very much similar to those seen in the infamous 'Toxic Shock 'caused by staphylococcal toxins in humans, especially females. Like in humans, the reason for emergence/reemergence of Canine Streptococcal Toxic Shock Syndrome (CSTSS) is unclear and very little is known about its transmission and prevention. The disease is characterized by multi systemic organ failure and a shock like condition in seemingly healthy dog often following an injury. In absence of proper and prompt diagnosis and subsequent treatment by injectable antibiotics and aggressive shock therapy, dog often succumbs to the disease within a few hours. The dog may have some rigidity and muscle spasms or convulsions and a deep unproductive cough followed by haemorrhage from nasal and mouth along with melena. -
Taxonomie a Ekologie Rodu Enterococcus
___________________________________________________________________________ MasarykovauniverzitavBrně Přírodovědeckáfakulta Ústavexperimentální biologie,Oddělenímikrobiologie Taxonomie a ekologie rodu Enterococcus (Bakalářská prácestudijníhoprogramuBiologie oboruObecná biologie –směrMikrobiologie) Hana Bryndová Brno,Českárepublika2008 ___________________________________________________________________________ 1 Za cenné rady,ochotnoupomoc a čas,kterými věnoval při vznikutétopráce,tímto děkuji RNDr.PavluŠvecovi,PhD.,podjehož vedením jsem bakalářskoupráci zpracovala na půděČeskésbírkymikroorganismů. 2 Obsah 1. Úvod...................................................................................................................................6 2. Cíl práce .............................................................................................................................6 3. Taxonomie rodu Enterococcus ...........................................................................................7 3.1 Historietaxonomierodu Enterococcus ......................................................................7 3.2 Současnátaxonomierodu Enterococcus ....................................................................7 3.3 Charakteristikarodu Enterococcus ............................................................................9 3.3.1 Fylogenetickézařazení rodu Enterococcus ............................................................9 3.3.2 Základnícharakteristika .........................................................................................9 -
Alpine Soil Bacterial Community and Environmental Filters Bahar Shahnavaz
Alpine soil bacterial community and environmental filters Bahar Shahnavaz To cite this version: Bahar Shahnavaz. Alpine soil bacterial community and environmental filters. Other [q-bio.OT]. Université Joseph-Fourier - Grenoble I, 2009. English. tel-00515414 HAL Id: tel-00515414 https://tel.archives-ouvertes.fr/tel-00515414 Submitted on 6 Sep 2010 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. THÈSE Pour l’obtention du titre de l'Université Joseph-Fourier - Grenoble 1 École Doctorale : Chimie et Sciences du Vivant Spécialité : Biodiversité, Écologie, Environnement Communautés bactériennes de sols alpins et filtres environnementaux Par Bahar SHAHNAVAZ Soutenue devant jury le 25 Septembre 2009 Composition du jury Dr. Thierry HEULIN Rapporteur Dr. Christian JEANTHON Rapporteur Dr. Sylvie NAZARET Examinateur Dr. Jean MARTIN Examinateur Dr. Yves JOUANNEAU Président du jury Dr. Roberto GEREMIA Directeur de thèse Thèse préparée au sien du Laboratoire d’Ecologie Alpine (LECA, UMR UJF- CNRS 5553) THÈSE Pour l’obtention du titre de Docteur de l’Université de Grenoble École Doctorale : Chimie et Sciences du Vivant Spécialité : Biodiversité, Écologie, Environnement Communautés bactériennes de sols alpins et filtres environnementaux Bahar SHAHNAVAZ Directeur : Roberto GEREMIA Soutenue devant jury le 25 Septembre 2009 Composition du jury Dr. -
Streptococcaceae
STREPTOCOCCACEAE Instructor Dr. Maytham Ihsan Ph.D Vet Microbiology 1 STREPTOCOCCACEAE Genus: Streptococcus and Enterocccus Streptococcus and Enterocccus genera, are Gram‐positive ovoid (lanceolate) cocci, approximately 1 μm in diameter, that tend to occur in singles, pairs & chains (rosary‐like) may be long or short. Streptococcus species occur as commensals on skin, upper & lower respiratory tract and mucous membranes; some may act as opportunistic pathogens causing pyogenic infections. Enteroccci spp. are enteric opportunistic & can be found in the intestinal tract of many animlas & humans. Growth & Culture Characteristics • Most streptococci are facultative anaerobes and catalase‐negative. • They are non‐motile and oxidase‐negative and do not form spores & susceptible to desiccation. • They are fastidious bacteria and require the addition of blood or serum to culture media. They grow at temperature ranging from 37°C to 42°C. Group D (Enterocooci), are considered thermophilic & can gorw at 45°C or even higher. • Colonies are small about 1 mm in size, smooth, translucent & may be greyish. • Streptococcus pneumoniae (pneumococcus or diplococcus) occurs as slightly pear‐shaped cocci in pairs. Pathogenic strains have thick capsules and produce mucoid colonies or flat colonies with smooth borders & a central concavity “draughtsman colonies” aer 48‐72 hrs on blood agar. These bacteria cause pneumonia in humans and rats. 2 • Some of streptococci grow on MacConkey like: Enterococcus faecalis, Strept. bovis, Sterpt. uberis & strept. lactis producing very tiny colonies like pin‐point appearance aer 48 hrs of incubaon at 37°C. • Streptococci genera grow slowly in broth media, sometimes forming faint opacity; whereas others with a fluffy deposit adherent to the side of the tube. -
Table S4. Phylogenetic Distribution of Bacterial and Archaea Genomes in Groups A, B, C, D, and X
Table S4. Phylogenetic distribution of bacterial and archaea genomes in groups A, B, C, D, and X. Group A a: Total number of genomes in the taxon b: Number of group A genomes in the taxon c: Percentage of group A genomes in the taxon a b c cellular organisms 5007 2974 59.4 |__ Bacteria 4769 2935 61.5 | |__ Proteobacteria 1854 1570 84.7 | | |__ Gammaproteobacteria 711 631 88.7 | | | |__ Enterobacterales 112 97 86.6 | | | | |__ Enterobacteriaceae 41 32 78.0 | | | | | |__ unclassified Enterobacteriaceae 13 7 53.8 | | | | |__ Erwiniaceae 30 28 93.3 | | | | | |__ Erwinia 10 10 100.0 | | | | | |__ Buchnera 8 8 100.0 | | | | | | |__ Buchnera aphidicola 8 8 100.0 | | | | | |__ Pantoea 8 8 100.0 | | | | |__ Yersiniaceae 14 14 100.0 | | | | | |__ Serratia 8 8 100.0 | | | | |__ Morganellaceae 13 10 76.9 | | | | |__ Pectobacteriaceae 8 8 100.0 | | | |__ Alteromonadales 94 94 100.0 | | | | |__ Alteromonadaceae 34 34 100.0 | | | | | |__ Marinobacter 12 12 100.0 | | | | |__ Shewanellaceae 17 17 100.0 | | | | | |__ Shewanella 17 17 100.0 | | | | |__ Pseudoalteromonadaceae 16 16 100.0 | | | | | |__ Pseudoalteromonas 15 15 100.0 | | | | |__ Idiomarinaceae 9 9 100.0 | | | | | |__ Idiomarina 9 9 100.0 | | | | |__ Colwelliaceae 6 6 100.0 | | | |__ Pseudomonadales 81 81 100.0 | | | | |__ Moraxellaceae 41 41 100.0 | | | | | |__ Acinetobacter 25 25 100.0 | | | | | |__ Psychrobacter 8 8 100.0 | | | | | |__ Moraxella 6 6 100.0 | | | | |__ Pseudomonadaceae 40 40 100.0 | | | | | |__ Pseudomonas 38 38 100.0 | | | |__ Oceanospirillales 73 72 98.6 | | | | |__ Oceanospirillaceae -
Supplemental Material S1.Pdf
Phylogeny of Selenophosphate synthetases (SPS) Supplementary Material S1 ! SelD in prokaryotes! ! ! SelD gene finding in sequenced prokaryotes! We downloaded a total of 8263 prokaryotic genomes from NCBI (see Supplementary Material S7). We scanned them with the program selenoprofiles (Mariotti 2010, http:// big.crg.cat/services/selenoprofiles) using two SPS-family profiles, one prokaryotic (seld) and one mixed eukaryotic-prokaryotic (SPS). Selenoprofiles removes overlapping predictions from different profiles, keeping only the prediction from the profile that seems closer to the candidate sequence. As expected, the great majority of output predictions in prokaryotic genomes were from the seld profile. We will refer to the prokaryotic SPS/SelD !genes as SelD, following the most common nomenclature in literature.! To be able to inspect results by hand, and also to focus on good-quality genomes, we considered a reduced set of species. We took the prok_reference_genomes.txt list from ftp://ftp.ncbi.nlm.nih.gov/genomes/GENOME_REPORTS/, which NCBI claims to be a "small curated subset of really good and scientifically important prokaryotic genomes". We named this the prokaryotic reference set (223 species - see Supplementary Material S8). We manually curated most of the analysis in this set, while we kept automatized the !analysis on the full set.! We detected SelD proteins in 58 genomes (26.0%) in the prokaryotic reference set (figure 1 in main paper), which become 2805 (33.9%) when considering the prokaryotic full set (figure SM1.1). The difference in proportion between the two sets is due largely to the presence of genomes of very close strains in the full set, which we consider redundant. -
The Shiga Toxin Producing Escherichia Coli
microorganisms Review An Overview of the Elusive Passenger in the Gastrointestinal Tract of Cattle: The Shiga Toxin Producing Escherichia coli Panagiotis Sapountzis 1,* , Audrey Segura 1,2 , Mickaël Desvaux 1 and Evelyne Forano 1 1 Université Clermont Auvergne, INRAE, UMR 0454 MEDIS, 63000 Clermont-Ferrand, France; [email protected] (A.S.); [email protected] (M.D.); [email protected] (E.F.) 2 Chr. Hansen Animal Health & Nutrition, 2970 Hørsholm, Denmark * Correspondence: [email protected] Received: 22 May 2020; Accepted: 7 June 2020; Published: 10 June 2020 Abstract: For approximately 10,000 years, cattle have been our major source of meat and dairy. However, cattle are also a major reservoir for dangerous foodborne pathogens that belong to the Shiga toxin-producing Escherichia coli (STEC) group. Even though STEC infections in humans are rare, they are often lethal, as treatment options are limited. In cattle, STEC infections are typically asymptomatic and STEC is able to survive and persist in the cattle GIT by escaping the immune defenses of the host. Interactions with members of the native gut microbiota can favor or inhibit its persistence in cattle, but research in this direction is still in its infancy. Diet, temperature and season but also industrialized animal husbandry practices have a profound effect on STEC prevalence and the native gut microbiota composition. Thus, exploring the native cattle gut microbiota in depth, its interactions with STEC and the factors that affect them could offer viable solutions against STEC carriage in cattle. Keywords: cattle; STEC colonization; microbiota; bacterial interactions 1. Introduction The domestication of cattle, approximately 10,000 years ago [1], brought a stable supply of protein to the human diet, which was instrumental for the building of our societies. -
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 -
Streptococcosis Humans and Animals
Zoonotic Importance Members of the genus Streptococcus cause mild to severe bacterial illnesses in Streptococcosis humans and animals. These organisms typically colonize one or more species as commensals, and can cause opportunistic infections in those hosts. However, they are not completely host-specific, and some animal-associated streptococci can be found occasionally in humans. Many zoonotic cases are sporadic, but organisms such as S. Last Updated: September 2020 equi subsp. zooepidemicus or a fish-associated strain of S. agalactiae have caused outbreaks, and S. suis, which is normally carried in pigs, has emerged as a significant agent of streptoccoccal meningitis, septicemia, toxic shock-like syndrome and other human illnesses, especially in parts of Asia. Streptococci with human reservoirs, such as S. pyogenes or S. pneumoniae, can likewise be transmitted occasionally to animals. These reverse zoonoses may cause human illness if an infected animal, such as a cow with an udder colonized by S. pyogenes, transmits the organism back to people. Occasionally, their presence in an animal may interfere with control efforts directed at humans. For instance, recurrent streptococcal pharyngitis in one family was cured only when the family dog, which was also colonized asymptomatically with S. pyogenes, was treated concurrently with all family members. Etiology There are several dozen recognized species in the genus Streptococcus, Gram positive cocci in the family Streptococcaceae. Almost all species of mammals and birds, as well as many poikilotherms, carry one or more species as commensals on skin or mucosa. These organisms can act as facultative pathogens, often in the carrier. Nomenclature and identification of streptococci Hemolytic reactions on blood agar and Lancefield groups are useful in distinguishing members of the genus Streptococcus. -
Treatment of Necrotizing Fasciitis Using Negative Pressure Wound Therapy in a Puppy
VlaamsVlaams DiergeneeskundigDiergeneeskundig Tijdschrift,Tijdschrift, 2015,2015, 8484 Case report 147147 Treatment of necrotizing fasciitis using negative pressure wound therapy in a puppy Behandeling van necrotiserende fasciitis met negatieve druktherapie bij een puppy 1E. Abma, 1A. M. Kitshoff, 1S. Vandenabeele, 1T. Bosmans, 2E. Stock, 1H. de Rooster 1Department of Medicine and Clinical Biology of Small Animals, Faculty of Veterinary Medicine, University of Ghent, Salisburylaan 133, B-9820 Merelbeke, Belgium 2Department of Medical Imaging and Orthopedics of Small Animals, Faculty of Veterinary Medicine, University of Ghent, Salisburylaan 133, B-9820 Merelbeke, Belgium [email protected] A BSTRACT A two-month-old German shepherd dog was presented with anorexia, lethargy and left hind limb lameness associated with swelling of the thigh. Clinical findings combined with cytology led to the presumptive diagnosis of necrotizing fasciitis (NF). Extensive debridement was performed and silver-foam-based negative pressure wound therapy (NPWT) was applied. During the first 48 hours, a negative pressure of -75 mmHg was used. Evaluation of the wound demonstrated no progression of necrosis and a moderate amount of granulation tissue formation. A new dress- ing was placed and a second 48-hour cycle of NPWT was initiated at -125 mmHg. At removal, a healthy wound bed was observed and surgical closure was performed. The prompt implementation of NPWT following surgical debridement led to accelerated wound healing without progression of necrosis in this case of canine NF. Negative pressure wound therapy could become an integral part of the management strategy of canine NF, improving the prognosis of this life-threatening disease. SAMENVATTING Een Duitse herder van twee maanden oud werd aangeboden met anorexie, lethargie, kreupelheid en een pijnlijke zwelling aan de linkerachterpoot. -
( 12 ) United States Patent
US009956282B2 (12 ) United States Patent ( 10 ) Patent No. : US 9 ,956 , 282 B2 Cook et al. (45 ) Date of Patent: May 1 , 2018 ( 54 ) BACTERIAL COMPOSITIONS AND (58 ) Field of Classification Search METHODS OF USE THEREOF FOR None TREATMENT OF IMMUNE SYSTEM See application file for complete search history . DISORDERS ( 56 ) References Cited (71 ) Applicant : Seres Therapeutics , Inc. , Cambridge , U . S . PATENT DOCUMENTS MA (US ) 3 ,009 , 864 A 11 / 1961 Gordon - Aldterton et al . 3 , 228 , 838 A 1 / 1966 Rinfret (72 ) Inventors : David N . Cook , Brooklyn , NY (US ) ; 3 ,608 ,030 A 11/ 1971 Grant David Arthur Berry , Brookline, MA 4 ,077 , 227 A 3 / 1978 Larson 4 ,205 , 132 A 5 / 1980 Sandine (US ) ; Geoffrey von Maltzahn , Boston , 4 ,655 , 047 A 4 / 1987 Temple MA (US ) ; Matthew R . Henn , 4 ,689 ,226 A 8 / 1987 Nurmi Somerville , MA (US ) ; Han Zhang , 4 ,839 , 281 A 6 / 1989 Gorbach et al. Oakton , VA (US ); Brian Goodman , 5 , 196 , 205 A 3 / 1993 Borody 5 , 425 , 951 A 6 / 1995 Goodrich Boston , MA (US ) 5 ,436 , 002 A 7 / 1995 Payne 5 ,443 , 826 A 8 / 1995 Borody ( 73 ) Assignee : Seres Therapeutics , Inc. , Cambridge , 5 ,599 ,795 A 2 / 1997 McCann 5 . 648 , 206 A 7 / 1997 Goodrich MA (US ) 5 , 951 , 977 A 9 / 1999 Nisbet et al. 5 , 965 , 128 A 10 / 1999 Doyle et al. ( * ) Notice : Subject to any disclaimer , the term of this 6 ,589 , 771 B1 7 /2003 Marshall patent is extended or adjusted under 35 6 , 645 , 530 B1 . 11 /2003 Borody U .