Beggiatoa: A genus of colorless, filamentous bacteria in the family THIOTRICHACEAE whose cells contain inclusions of sulfur granules. When found in decaying seaweed beds and polluted water, its presence signals environmental degradation.Botany: The study of the origin, structure, development, growth, function, genetics, and reproduction of plants.Thiotrichaceae: A family of colorless sulfur bacteria in the order Thiotrichales, class GAMMAPROTEOBACTERIA.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed)Sulfides: Chemical groups containing the covalent sulfur bonds -S-. The sulfur atom can be bound to inorganic or organic moieties.Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine.Thiosulfates: Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.OklahomaPhototrophic Processes: Processes by which phototrophic organisms use sunlight as their primary energy source. Contrasts with chemotrophic processes which do not depend on light and function in deriving energy from exogenous chemical sources. Photoautotrophy (or photolithotrophy) is the ability to use sunlight as energy to fix inorganic nutrients to be used for other organic requirements. Photoautotrophs include all GREEN PLANTS; GREEN ALGAE; CYANOBACTERIA; and green and PURPLE SULFUR BACTERIA. Photoheterotrophs or photoorganotrophs require a supply of organic nutrients for their organic requirements but use sunlight as their primary energy source; examples include certain PURPLE NONSULFUR BACTERIA. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; HETEROTROPHY; chemotrophy; or phototrophy) to utilize different sources to meet their nutrients and energy requirements.Acetates: Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure.Catalase: An oxidoreductase that catalyzes the conversion of HYDROGEN PEROXIDE to water and oxygen. It is present in many animal cells. A deficiency of this enzyme results in ACATALASIA.Isocitrate Lyase: A key enzyme in the glyoxylate cycle. It catalyzes the conversion of isocitrate to succinate and glyoxylate. EC 4.1.3.1.Hydrogen Peroxide: A strong oxidizing agent used in aqueous solution as a ripening agent, bleach, and topical anti-infective. It is relatively unstable and solutions deteriorate over time unless stabilized by the addition of acetanilide or similar organic materials.RNA, Ribosomal, 16S: Constituent of 30S subunit prokaryotic ribosomes containing 1600 nucleotides and 21 proteins. 16S rRNA is involved in initiation of polypeptide synthesis.Archaea: One of the three domains of life (the others being BACTERIA and Eukarya), formerly called Archaebacteria under the taxon Bacteria, but now considered separate and distinct. They are characterized by: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls; (3) the presence of ether-linked lipids built from branched-chain subunits; and (4) their occurrence in unusual habitats. While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. The domain contains at least four kingdoms: CRENARCHAEOTA; EURYARCHAEOTA; NANOARCHAEOTA; and KORARCHAEOTA.Halobacteriales: An order of extremely halophilic archaea, in the kingdom EURYARCHAEOTA. They occur ubiquitously in nature where the salt concentration is high, and are chemoorganotrophic, using amino acids or carbohydrates as a carbon source.Adenoma, Acidophil: A benign tumor, usually found in the anterior lobe of the pituitary gland, whose cells stain with acid dyes. Such pituitary tumors may give rise to excessive secretion of growth hormone, resulting in gigantism or acromegaly. A specific type of acidophil adenoma may give rise to nonpuerperal galactorrhea. (Dorland, 27th ed)Psychrobacter: A genus of gram-negative, aerobic bacteria in the family MORAXELLACEAE, associated with processed MEAT; FISH PRODUCTS; and POULTRY PRODUCTS.Cold Temperature: An absence of warmth or heat or a temperature notably below an accustomed norm.Acidithiobacillus: A genus of gram-negative rod-shaped bacteria in the class GAMMAPROTEOBACTERIA. They are obligately acidophilic and aerobic, using reduced SULFUR COMPOUNDS to support AUTOTROPHIC GROWTH.Alkalies: Usually a hydroxide of lithium, sodium, potassium, rubidium or cesium, but also the carbonates of these metals, ammonia, and the amines. (Grant & Hackh's Chemical Dictionary, 5th ed)Thermoplasmales: An order of aerobic, thermophilic archaea, in the kingdom EURYARCHAEOTA, characterized by the absence of a cell wall. Two genera have been described: THERMOPLASMA and Picrophilus.Antarctic Regions: The continent lying around the South Pole and the southern waters of the Atlantic, Pacific, and Indian Oceans. It includes the Falkland Islands Dependencies. (From Webster's New Geographical Dictionary, 1988, p55)Bacillus: A genus of BACILLACEAE that are spore-forming, rod-shaped cells. Most species are saprophytic soil forms with only a few species being pathogenic.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Myosin Type II: The subfamily of myosin proteins that are commonly found in muscle fibers. Myosin II is also involved a diverse array of cellular functions including cell division, transport within the GOLGI APPARATUS, and maintaining MICROVILLI structure.Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.Calamus: A plant genus of the family ARECACEAE that should not be confused with ACORUS CALAMUS.Chemoautotrophic Growth: Growth of organisms using AUTOTROPHIC PROCESSES for obtaining nutrients and chemotrophic processes for obtaining a primary energy supply. Chemotrophic processes are involved in deriving a primary energy supply from exogenous chemical sources. Chemotrophic autotrophs (chemoautotrophs) generally use inorganic chemicals as energy sources and as such are called chemolithoautotrophs. Most chemoautotrophs live in hostile environments, such as deep sea vents. They are mostly BACTERIA and ARCHAEA, and are the primary producers for those ecosystems.Bays: An area of water mostly surrounded by land, usually smaller than a gulf, and affording access to the sea.Iris Plant: A plant genus of the family IRIDACEAE that contains IRIP, a type-1 ribosome-inactivating protein, and iridals (TRITERPENES).Gigantism: The condition of accelerated and excessive GROWTH in children or adolescents who are exposed to excess HUMAN GROWTH HORMONE before the closure of EPIPHYSES. It is usually caused by somatotroph hyperplasia or a GROWTH HORMONE-SECRETING PITUITARY ADENOMA. These patients are of abnormally tall stature, more than 3 standard deviations above normal mean height for age.Melopsittacus: A genus, commonly called budgerigars, in the family PSITTACIDAE. In the United States they are considered one of the five species of PARAKEETS.Genomics: The systematic study of the complete DNA sequences (GENOME) of organisms.Chloral Hydrate: A hypnotic and sedative used in the treatment of INSOMNIA.Gastropoda: A class in the phylum MOLLUSCA comprised of SNAILS and slugs. The former have coiled external shells and the latter usually lack shells.OregonGenome, Bacterial: The genetic complement of a BACTERIA as represented in its DNA.Peer Group: Group composed of associates of same species, approximately the same age, and usually of similar rank or social status.Video Games: A form of interactive entertainment in which the player controls electronically generated images that appear on a video display screen. This includes video games played in the home on special machines or home computers, and those played in arcades.Videotape Recording: Recording of visual and sometimes sound signals on magnetic tape.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.Journal Impact Factor: A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.Peer Review, Research: The evaluation by experts of the quality and pertinence of research or research proposals of other experts in the same field. Peer review is used by editors in deciding which submissions warrant publication, by granting agencies to determine which proposals should be funded, and by academic institutions in tenure decisions.Peer Review: An organized procedure carried out by a select committee of professionals in evaluating the performance of other professionals in meeting the standards of their specialty. Review by peers is used by editors in the evaluation of articles and other papers submitted for publication. Peer review is used also in the evaluation of grant applications. It is applied also in evaluating the quality of health care provided to patients.Television: The transmission and reproduction of transient images of fixed or moving objects. An electronic system of transmitting such images together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. (From Webster, 3rd ed)Publishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.Bibliometrics: The use of statistical methods in the analysis of a body of literature to reveal the historical development of subject fields and patterns of authorship, publication, and use. Formerly called statistical bibliography. (from The ALA Glossary of Library and Information Science, 1983)Authorship: The profession of writing. Also the identity of the writer as the creator of a literary production.Sinorhizobium: A genus of gram-negative, aerobic, nonsporeforming rods which usually contain granules of poly-beta-hydroxybutyrate. (From Bergey's Manual of Determinative Bacteriology, 9th ed)Terminology as Topic: The terms, expressions, designations, or symbols used in a particular science, discipline, or specialized subject area.Click Chemistry: Organic chemistry methodology that mimics the modular nature of various biosynthetic processes. It uses highly reliable and selective reactions designed to "click" i.e., rapidly join small modular units together in high yield, without offensive byproducts. In combination with COMBINATORIAL CHEMISTRY TECHNIQUES, it is used for the synthesis of new compounds and combinatorial libraries.Students: Individuals enrolled in a school or formal educational program.Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.Students, Medical: Individuals enrolled in a school of medicine or a formal educational program in medicine.Classification: The systematic arrangement of entities in any field into categories classes based on common characteristics such as properties, morphology, subject matter, etc.Reoperation: A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.Sewage: Refuse liquid or waste matter carried off by sewers.Nystatin: Macrolide antifungal antibiotic complex produced by Streptomyces noursei, S. aureus, and other Streptomyces species. The biologically active components of the complex are nystatin A1, A2, and A3.United States Dept. of Health and Human Services: A cabinet department in the Executive Branch of the United States Government concerned with administering those agencies and offices having programs pertaining to health and human services.Pest Control: The reduction or regulation of the population of noxious, destructive, or dangerous plants, insects, or other animals. This includes control of plants that serve as habitats or food sources for animal pests.Waste Disposal, Fluid: The discarding or destroying of liquid waste products or their transformation into something useful or innocuous.Mosquito Control: The reduction or regulation of the population of mosquitoes through chemical, biological, or other means.Insect Control: The reduction or regulation of the population of noxious, destructive, or dangerous insects through chemical, biological, or other means.New YorkPest Control, Biological: Use of naturally-occuring or genetically-engineered organisms to reduce or eliminate populations of pests.Magnetic Resonance Spectroscopy: Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).Body Mass Index: An indicator of body density as determined by the relationship of BODY WEIGHT to BODY HEIGHT. BMI=weight (kg)/height squared (m2). BMI correlates with body fat (ADIPOSE TISSUE). Their relationship varies with age and gender. For adults, BMI falls into these categories: below 18.5 (underweight); 18.5-24.9 (normal); 25.0-29.9 (overweight); 30.0 and above (obese). (National Center for Health Statistics, Centers for Disease Control and Prevention)Depth Perception: Perception of three-dimensionality.Severity of Illness Index: Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.Mitotic Index: An expression of the number of mitoses found in a stated number of cells.Glycemic Index: A numerical system of measuring the rate of BLOOD GLUCOSE generation from a particular food item as compared to a reference item, such as glucose = 100. Foods with higher glycemic index numbers create greater blood sugar swings.Vision Disparity: The difference between two images on the retina when looking at a visual stimulus. This occurs since the two retinas do not have the same view of the stimulus because of the location of our eyes. Thus the left eye does not get exactly the same view as the right eye.Risk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.Prospective Studies: Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Periodontal Index: A numerical rating scale for classifying the periodontal status of a person or population with a single figure which takes into consideration prevalence as well as severity of the condition. It is based upon probe measurement of periodontal pockets and on gingival tissue status.Oil and Gas Fields: Areas of the earth where hydrocarbon deposits of PETROLEUM and/or NATURAL GAS are located.Petroleum: Naturally occurring complex liquid hydrocarbons which, after distillation, yield combustible fuels, petrochemicals, and lubricants.Water: A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Water Supply: Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)Groundwater: Liquid water present beneath the surface of the earth.Sulfur-Reducing Bacteria: A group of gram-negative, anaerobic bacteria that is able to oxidize acetate completely to carbon dioxide using elemental sulfur as the electron acceptor.Extraction and Processing Industry: The industry concerned with the removal of raw materials from the Earth's crust and with their conversion into refined products.Water Pollutants: Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading.Epsilonproteobacteria: A group of proteobacteria consisting of chemoorganotrophs usually associated with the DIGESTIVE SYSTEM of humans and animals.

Diversity and abundance of aerobic and anaerobic methane oxidizers at the Haakon Mosby Mud Volcano, Barents Sea. (1/15)

Submarine mud volcanoes are formed by expulsions of mud, fluids, and gases from deeply buried subsurface sources. They are highly reduced benthic habitats and often associated with intensive methane seepage. In this study, the microbial diversity and community structure in methane-rich sediments of the Haakon Mosby Mud Volcano (HMMV) were investigated by comparative sequence analysis of 16S rRNA genes and fluorescence in situ hybridization. In the active volcano center, which has a diameter of about 500 m, the main methane-consuming process was bacterial aerobic oxidation. In this zone, aerobic methanotrophs belonging to three bacterial clades closely affiliated with Methylobacter and Methylophaga species accounted for 56%+/-8% of total cells. In sediments below Beggiatoa mats encircling the center of the HMMV, methanotrophic archaea of the ANME-3 clade dominated the zone of anaerobic methane oxidation. ANME-3 archaea form cell aggregates mostly associated with sulfate-reducing bacteria of the Desulfobulbus (DBB) branch. These ANME-3/DBB aggregates were highly abundant and accounted for up to 94%+/-2% of total microbial biomass at 2 to 3 cm below the surface. ANME-3/DBB aggregates could be further enriched by flow cytometry to identify their phylogenetic relationships. At the outer rim of the mud volcano, the seafloor was colonized by tubeworms (Siboglinidae, formerly known as Pogonophora). Here, both aerobic and anaerobic methane oxidizers were found, however, in lower abundances. The level of microbial diversity at this site was higher than that at the central and Beggiatoa species-covered part of the HMMV. Analysis of methyl-coenzyme M-reductase alpha subunit (mcrA) genes showed a strong dominance of a novel lineage, mcrA group f, which could be assigned to ANME-3 archaea. Our results further support the hypothesis of Niemann et al. (54), that high methane availability and different fluid flow regimens at the HMMV provide distinct niches for aerobic and anaerobic methanotrophs.  (+info)

Insights into the genome of large sulfur bacteria revealed by analysis of single filaments. (2/15)

Marine sediments are frequently covered by mats of the filamentous Beggiatoa and other large nitrate-storing bacteria that oxidize hydrogen sulfide using either oxygen or nitrate, which they store in intracellular vacuoles. Despite their conspicuous metabolic properties and their biogeochemical importance, little is known about their genetic repertoire because of the lack of pure cultures. Here, we present a unique approach to access the genome of single filaments of Beggiatoa by combining whole genome amplification, pyrosequencing, and optical genome mapping. Sequence assemblies were incomplete and yielded average contig sizes of approximately 1 kb. Pathways for sulfur oxidation, nitrate and oxygen respiration, and CO2 fixation confirm the chemolithoautotrophic physiology of Beggiatoa. In addition, Beggiatoa potentially utilize inorganic sulfur compounds and dimethyl sulfoxide as electron acceptors. We propose a mechanism of vacuolar nitrate accumulation that is linked to proton translocation by vacuolar-type ATPases. Comparative genomics indicates substantial horizontal gene transfer of storage, metabolic, and gliding capabilities between Beggiatoa and cyanobacteria. These capabilities enable Beggiatoa to overcome non-overlapping availabilities of electron donors and acceptors while gliding between oxic and sulfidic zones. The first look into the genome of these filamentous sulfur-oxidizing bacteria substantially deepens the understanding of their evolution and their contribution to sulfur and nitrogen cycling in marine sediments.  (+info)

Physiological adaptation of a nitrate-storing Beggiatoa sp. to diel cycling in a phototrophic hypersaline mat. (3/15)

The aim of this study was to investigate the supposed vertical diel migration and the accompanying physiology of Beggiatoa bacteria from hypersaline microbial mats. We combined microsensor, stable-isotope, and molecular techniques to clarify the phylogeny and physiology of the most dominant species inhabiting mats of the natural hypersaline Lake Chiprana, Spain. The most dominant morphotype had a filament diameter of 6 to 8 microm and a length varying from 1 to >10 mm. Phylogenetic analysis by 16S rRNA gene comparison revealed that this type appeared to be most closely related (91% sequence identity) to the narrow (4-microm diameter) nonvacuolated marine strain MS-81-6. Stable-isotope analysis showed that the Lake Chiprana species could store nitrate intracellularly to 40 mM. The presence of large intracellular vacuoles was confirmed by fluorescein isothiocyanate staining and subsequent confocal microscopy. In illuminated mats, their highest abundance was found at a depth of 8 mm, where oxygen and sulfide co-occurred. However, in the dark, the highest Beggiatoa densities occurred at 7 mm, and the whole population was present in the anoxic zone of the mat. Our findings suggest that hypersaline Beggiatoa bacteria oxidize sulfide with oxygen under light conditions and with internally stored nitrate under dark conditions. It was concluded that nitrate storage by Beggiatoa is an optimal strategy to both occupy the suboxic zones in sulfidic sediments and survive the dark periods in phototrophic mats.  (+info)

Video-supported analysis of Beggiatoa filament growth, breakage, and movement. (4/15)

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Methylotrophy in freshwater Beggiatoa alba strains. (5/15)

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Spatial structure and activity of sedimentary microbial communities underlying a Beggiatoa spp. mat in a Gulf of Mexico hydrocarbon seep. (6/15)

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Sulfide induces phosphate release from polyphosphate in cultures of a marine Beggiatoa strain. (7/15)

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High rates of denitrification and nitrate removal in cold seep sediments. (8/15)

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*Beggiatoa

Two species of Beggiatoa have been formally described: the type species Beggiatoa alba, and Beggiatoa leptomitoformis, the ... Beggiatoa are close relatives of Thioploca. "Beggiatoa". Roxanne L. Nikolaus "Beggiatoa and hydrocarbon seeps - Unique bacteria ... "Beggiatoa". Schmidt TM, Arieli B, Cohen Y, Padan E, Strohl WR (Dec 1987). "Sulfur metabolism in Beggiatoa alba". J Bacteriol. ... Beggiatoa is a genus of bacteria in the order Thiotrichales. They are named after the Italian medic and botanist F. S. Beggiato ...

*Beggiatoa leptomitoformis

... is a chemolithoautotrophic bacterium from the genus of Beggiatoa which has been isolated from ... Parte, A.C. "Beggiatoa". www.bacterio.net. "Beggiatoa leptomitoformis". www.uniprot.org. Parker, Charles Thomas; Garrity, ... Dubinina, G; Savvichev, A; Orlova, M; Gavrish, E; Verbarg, S; Grabovich, M (February 2017). "Beggiatoa leptomitoformis sp. nov ... George M. "Nomenclature Abstract for Beggiatoa leptomitoformis Dubinina et al. 2016". The NamesforLife Abstracts. doi:10.1601/ ...

*Lake Hévíz

and Beggiatoa sp. from a depth of 1.5 m to the opening of the springcave. These together with the bacterium species play an ...

*Thiothrix

... is a genus of filamentous sulfur-oxidizing bacteria, related to the genera Beggiatoa and Thioploca. They are usually ... Larkin, J M; Strohl, W R (1 October 1983). "Beggiatoa, Thiothrix, and Thioploca". Annual Review of Microbiology. 37 (1): 341- ...

*Microbial metabolism

... some Beggiatoa, some Nitrobacter spp., Wolinella (with H 2 as reducing equivalent donor), some Knallgas-bacteria, some sulfate- ... A classic example of a sulfur-oxidizing bacterium is Beggiatoa, a microbe originally described by Sergei Winogradsky, one of ...

*Dissimilatory nitrate reduction to ammonium

For example,Benthic sulfur bacteria[disambiguation needed] in genera such as Beggiatoa and Thioploca inhabit anoxic sediments ... "Biological and chemical sulfide oxidation in a Beggiatoa inhabited marine sediment". The ISME Journal. 1 (4): 341-353. doi: ...

*Cyanobacteria

Formerly, some bacteria, like Beggiatoa, were thought to be colorless Cyanobacteria. Stromatolites are layered biochemical ...

*Cold seep

... nonpigmented mats were found to be an autotrophic sulfur bacteria Beggiatoa species, and the orange mats possessed an ... "Spatial Structure and Activity of Sedimentary Microbial Communities Underlying a Beggiatoa spp. Mat in a Gulf of Mexico ... of the genera Thioploca and Beggiatoa, and of "macrobacteria" including a diversity of phenotypes), protists (ciliates, ...

*1887 in science

Sergei Winogradsky discovers the first known form of lithotrophy during his research with Beggiatoa. The Petri dish was created ...

*Sergei Winogradsky

He reported that Beggiatoa oxidized hydrogen sulfide (H2S) as an energy source and formed intracellular sulfur droplets. This ... Winogradsky discovered the first known form of lithotrophy during his research with Beggiatoa in 1887. ... in Beggiatoa). His work on the Nitrogen cycle including The identification of the obligate anaerobe Clostridium pasteurianum ...

*Thiomargarita namibiensis

Thioploca and Beggiatoa cells are much smaller and grow tightly stacked on each other in long filaments. Their shape is ... They were actually looking for other recently found sulfide-eating marine bacteria, Thioploca and Beggiatoa. They ended up with ... Although Thiomargarita is closely related to Thioploca and Beggiatoa in function, their structures proved to be vastly ...

*Optogenetics

... of the soil bacterium Beggiatoa". J. Biol. Chem. 286 (2): 1181-8. doi:10.1074/jbc.M110.185496. PMC 3020725 . PMID 21030594. Ryu ...

*Whale fall

Bathykurila is a specialist feeder on the sulfur-reducing bacteria Beggiatoa, that grows in abundant mats around a whale fall ...

*Winogradsky column

... and Beggiatoa, as well as many other species of bacteria, cyanobacteria, and algae. The column provides numerous gradients, ...

*Microbiology

... whose studies on algae and photosynthetic bacteria led him to describe several bacteria including Bacillus and Beggiatoa. Cohn ...

*List of bacterial genera named after personal names

... an Australian microbiologist Beggiatoa - F. S. Beggiato, a physician of Vicenza Beijerinckia - Martinus W. Beijerinck, a Dutch ...

*Bacterial phyla

Beggiatoa) delta subdivision (Sulfur and sulfate reducers (Desulfovibrio), Myxobacteria, Bdellovibrio) Gram-positive ...

*Sulfur

In the 1880s, while studying Beggiatoa (a bacterium living in a sulfur rich environment), Sergei Winogradsky found that it ...

*Branching order of bacterial phyla (Woese, 1987)

Beggiatoa) delta subdivision (Sulfur and sulfate reducers (Desulfovibrio), Myxobacteria, Bdellovibrio) Gram-positive ...

*Abyssal plain

... such as those of the sulfide-oxidizing Beggiatoa genus), often arranged in large bacterial mats near cold seeps. In these ...

*Anaerobic oxidation of methane

... see Beggiatoa) or animals (clams, tube worms) with symbiont sulfide-oxidizing bacteria can thrive on the large amounts of ...
Beggiatoa is a genus of bacteria in the order Thiotrichales. They are named after the Italian medic and botanist F. S. Beggiato. The organisms live in sulfur-rich environments. During his research in Anton de Barys laboratory of botany in 1887, Russian botanist Sergei Winogradsky found that Beggiatoa oxidized hydrogen sulfide (H2S) as an energy source, forming intracellular sulfur droplets. Winogradsky referred to this form of metabolism as inorgoxidation (oxidation of inorganic compounds). The finding represented the first discovery of lithotrophy.[2][3] Two species of Beggiatoa have been formally described: the type species Beggiatoa alba, and Beggiatoa leptomitoformis, the latter of which was only published in 2017.[4] ...
Hydrocarbon seeps are typically viewed as seafloor phenomena: with vast quantities of juicy organic molecules streaming out of the crust, sediment-hosted microbes are the primary recipients of the energetic windfall. But at particularly high-flow seeps, hydrocarbons can emerge into the bottom water, and, running the gauntlet of benthic aerobic heterotrophs, even reach the waters surface layers. A new study from Nigel Dsouza and colleagues demonstrates that these seafloor features actually result in measurable increases in surface-water microbial activity. By quantifying chlorophyll concentrations, the team shows that seafloor venting of many kinds may have a larger effect on the surface world than previously believed.. Abstract below, full paper [here].. Natural hydrocarbon seeps occur on the sea floor along continental margins, and account for up to 47% of the oil released into the oceans1. Hydrocarbon seeps are known to support local benthic productivity2, but little is known about their ...
All strains of freshwater Beggiatoa demonstrate the ability to grow heterotrophically in the presence of oxygen, yet this growth tends to be limited by the lack of catalase in Beggiatoa species. The lack of catalase is compensated for by the organisms ability to oxidize sulfide, which detoxifies metabolically-formed hydrogen peroxide in the absence of oxygen. Sulfide oxidation provides the bacteria with energy for growth on acetate, and is the sole energy source for at least one marine species. The cells are disk-shaped and are motile by a gliding motion. They can exist either as individual cells or as part of a tightly connected filament. ...
Phenotypic and phylogenetic comparisons of the generaBeggiatoa and Thioploca. Until recently, massive natural occurrence of filaments ofBeggiatoa or Thioploca spp. have been identified based solely on their characteristic morphologies by using (i) the presence (Thioploca spp.) or absence (Beggiatoa spp.) of a single sheath around multiple filaments and (ii) filament widths as the major criteria (Table 1). No strain of a wide marine Beggiatoa orThioploca sp. has been obtained in pure culture. The physiological properties of these genera can, therefore, be determined only from observations of natural populations. Such studies have revealed several metabolic similarities. These similarities include chemoautotrophic carbon metabolism (20, 24, 29, 31), sulfide oxidation (20, 25), and concentration of nitrate in the vacuolate cells at levels several-thousand-fold above ambient nitrate levels (5, 24). Teske et al. (38) described the phylogenetic position of vacuolate, unusually wideThioploca filaments ...
In their June 2015 Best Practice magazine, bpac provide five tips for primary care teams to keep older people healthy and out of hospital during winter.. To read the article in full text, go to: http://www.bpac.org.nz/BPJ/2015/June/tips.aspx. ...
Håkon Mosby Mud Volcano (HMMV, SW Barents Sea slope, 1280 m) is one of the numerous cold methane-venting seeps existing along the continental margins. Analyses of videoguided core samples revealed extreme differences in the diversity and density of the metazoan meiobenthic communities associated with the different sub-habitats (centre, microbial mats, Pogonophora field, outer rim) of this mud volcano. Diversity was lowest in the sulphidic, microbial mat sediments that supported the highest standing stock, with unusually high densities (11 000 ind. 10 cm-2) of 1 nematode species related to Geomonhystera disjuncta. Stable carbon isotope analyses revealed that this nematode species was thriving on chemosynthetically derived food sources in these sediments. Ovoviviparous reproduction has been identified as an important adaptation of parents securing the survival and development of their brood in this toxic environment. The proliferation of this single species in exclusive association with ...
Klien, S; Spiegel, M; Engelhardt, K; Schmidauer, C; Ulmer, H; Diepers, M; Schmutzhard, E; Mutzbauer, TS (Undersea and Hyperbaric Medical Society, Inc., 2005) ...
NNaval Special Warfare requires a low-power, light-weight acoustic intercept receiver capable of detecting and identifying the acoustic signals of manned or unmanned undersea vehicles. Traditional acoustic receivers in use on current submarine platforms are large, cumbersome and feature-rich. The Special Warfare vehicles require a much smaller, self-contained system without all the submarines capabilities. This system must operate with higher frequency operational processing bands, operationally intuitive operator / machine interface (OMI) that function under extreme in-water situations. Signal Processing must achieve high sensitivity with low false alarm rates requiring full spectrum, spectral redundant based signal processing techniques be considered to enhance detection and bearing estimates within limited space/ weight/ volume allocations. Partnered with Pennsylvania State University, our solution leverages acoustic previous acoustic intercept experience to design a low risk, operationally ...
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Termo Records I remember once as a young man when I practised the noble art of rock-journalism, I went to a small gathering held by the rock magazine I was writing for. Norwegian The Last James and a Scottish pop band that I dont remember the name of was on the bill. The Last James (they had cunningly "loaned" their name from the by now newly deceased German orchestra leader James Last...) was fronted by Lars Pedersen, well-known as a member of the avant-exploring new wave band Holy Toy and his solo alter-ego project When that he has kept going to this very day. The band had just released their second album so this must have been round 1993. By that time Last James had been augmented by very well-known Norwegian pop-poet Lars Lillo Stenberg of deLillos fame and the lesser known Haakon Ellingsen. The latter seemed young and unexperienced at the time, at least compared to the other two, but he had written five of the most excellent songs of the somewhat uneven album. The two other more profiled ...
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Conventional wisdom suggests that seamounts harbour high levels of biodiversity and endemism, play important roles in marine biogeography, are hotspots of biological carbon processing, and support substantial fisheries. However, since fewer than 300 seamounts have been thoroughly sampled, these generalizations remain largely untested. This has provided the motivation for a number of seamount-focused research projects in recent years, including CenSeam, a field project within the Census of Marine Life. This issue presents some of the research output facilitated by CenSeam. Here we summarize the main findings and provide a précis of future research directions highlighted by contributors to the issue. Recent studies show that seamounts can have comparable levels of benthic diversity and endemism to continental margins, but their communities also include a distinct composition of species that can attain higher biomass. Reported geographic differentiation among seamount communities suggests limited ...
The researchers also discovered that the physical extent of these groups varied depending on the size of the organisms. Smaller animals generally stayed closer to their neighbors, forming smaller groups. Most groups were about 100-animals wide in the horizontal dimension, regardless of whether they consisted of fish, squid, or shrimp. The spacing between the animals in each group was also very consistent, each animal staying at least one body length from its nearest neighbors.. The researchers speculate that these groups, consisting of lots of similar animals spaced evenly apart, could confuse visual predators such as dolphins, which target one animal at a time. This effect has previously been observed for schools of fish surrounded by open water near the sea surface, but has never before been seen in animals within deep scattering layers, where the schools are surrounded by other schools, and there is little or no sunlight. As Benoit-Bird pointed out, "Schooling was previously thought to occur ...
Photoshops Twirl filter is no longer a bastion for Internet creeps: The NY Times shares some (but not all) details of how Interpol was able to reverse the common image distortion. Now theyre seeking the publics help in catching the guy. [Via Leon Brown] (Through some weird cosmic alignment of forces, Google Alerts happened to pop up a tutorial on digitally obscuring faces at just the same time ...
This includes a comparison of your volume of prescriptions and laboratory tests between 2009 and 2010, as well as an overview of the pharmaceuticals and laboratory tests you use most often.. ...
B-type natriuretic peptide (BNP) assays have become important aids in the diagnosis and perhaps more importantly, the exclusion of heart failure. Normal levels virtually exclude the diagnosis of heart failure and very high levels effectively confirm the diagnosis; intermediate levels require confirmation by echocardiography.. These peptides are released into the circulation by distended ventricular walls as the active peptide, BNP, and the inactive peptide, NT-proBNP. Assays may be performed on either but there are no conversion factors for comparison between these measures. Furthermore, there is variability in the type of assay used and availability of testing across the country.. ...
As a city, we have collectively agreed that Horton Boulevard should be a designated Bike Boulevard, and our definition of this type of thoroughfare requires it to aim for under 3,000 vehicle trips per day. I appreciate the time and service of our community members who give their time and influence to our BPAC. I think they have given serious thought to their recommendation of Level 5 calming, and that given their task of effectively seeking solutions to the overage of vehicle trips on Horton, I understand the logic behind the recommendation. However, I think it behooves us to discuss Level 4 options that will allow cars and bikes on Horton at this time, with the knowledge that the BPAC may recommend Level 5 in the future, should Level 4 calming measures not get us to our goals ...
Coleman RL, Ramirez PT, Gershenson DM. Neoplastic diseases of the ovary: Screening, benign and malignant epithelial and germ cell neoplasms, sex-cord stromal tumors. In: Lentz GM, Lobo RA, Gershenson DM, Katz VL, eds. Comprehensive Gynecology. 6th ed. Philadelphia, PA: Elsevier Mosby; 2012:chap 33.. Katz VL. Benign gynecologic lesions: vulva, vagina, cervix, uterus, oviduct, ovary, ultrasound imaging of pelvic structures. In: Lentz GM, Lobo RA, Gershenson DM, Katz VL, eds. Comprehensive Gynecology. 6th ed. Philadelphia, PA: Elsevier Mosby; 2012:chap 18. ...
The Justice Department wont say whether the blowout preventer that failed to stop oil from gushing from BPs undersea well into the Gulf of Mexico is on its way to shore.
All right, weve got a couple more pieces of announcement news for you today, along with a TON of new cover artwork.... The news is that Shout! Factory has officially set the Matinee: Collectors Edition as their next Shout Select Blu-ray release on 12/12, along with the comedy The Trip to Spain, starring Steve Coogan and Rob Brydon. Interestingly, Shout! has also announced a new 4K Ultra HD title for release that same day: IMAX: Mysteries of China. They also have Howard Lovecraft and the Undersea Kingdom coming on 12/5.. Meanwhile, Scream Factory has set American Gothic (1988) for Blu-ray release on 12/19, and has the Hell Night: Collectors Edition coming on BD on 12/12, as well as the Silent Night, Deadly Night: Collectors Edition on 12/5, as we mentioned yesterday. [Read on here…]. ...
Lush rainforest activities, authentic Caribbean undersea adventures, and a growing list of high-end lodging and real estate investment products are attracting people from all over the world. Join our growing network and list your business on the only website exclusively promoting the thriving Caribbean coast of Panama! ...
November 30, 2016 omnipulse Basically every trigger warning in existence follows. SHOPS, UNDERGROUND BASES, TUNNELS, ESTATES, TEMPLES, CHURCHES, LODGES, ISLANDS, AIRPLANES, WOODS/PARKS, AND UNDERSEA BASES STAND UP A STORM IS COMING, WHETHER ILL BE HERE THROUGH THE ROUGH WEATHER OR NOT MY PURPOSE IS TO STAND AND WALK, NOT TO SIT AND WATCH Click continue…
Freewave Industrial IoT, IIoT, M2M, Fog Computing solutions and wireless data radios provide real-time command and control for military Drones, Robotics, Undersea Robots, Ship Communications and Unmanned Systems.
For many microscopy applications, millimeters-long free working distances (LWD) are required. However, the high resolution and contrast of LWD objectives operated in air are lost when introducing glass and/or liquid with the sample. We propose to use spatial light modulation to correct for such beam aberrations caused by refractive index mismatches. Focusing a monochromatic laser beam with a 10 mm working distance air objective ( ...
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...Scientists have begun an eight-day mission in which they are living a... Its like living on the space station except that its underwater ...A molecular ecologist Baums is providing the genetic expertise that w...,8-day,undersea,mission,begins,experiment,to,improve,coral,reef,restoration,biological,biology news articles,biology news today,latest biology news,current biology news,biology newsletters
References: Presidential Guest Speaker Lecture. International Society Hip Arthroscopy. Boston,MA. September 28, 2012. Johnson LL. Arthroscopic Surgical Principles and Pracatice: C.V. Mosby. 1986. McCarroll, H. Relton. Unexpected Roads to Greatness. J Bone Joint Surg Am. 1959;41:546-552.. Johnson, L. L.: Needlescope. In Symposium on Arthroscopy and Arthrography of the Knee, pp. 36-43.St. Louis, C. V. Mosby, 1978.. Johnson, L. L.: Joints Other than the Knee. In Symposium on Arthroscopy and Arthrography of the Knee, pp. 249-260.St. Louis, C. V. Mosby, 1978.. Johnson, L. L., Becker, R. L.: Role of the Assistant in Arthroscopy. In Symposium on Arthroscopy and Arthrography of the Knee, pp. 274-281.St. Louis, C. V. Mosby, 1978.. Johnson, L. L.: Comprehensive Arthroscopy of the Knee.St. Louis, C. V. Mosby, 1977.. Johnson, L. L.: Diagnostic and Surgical Arthroscopy of the Shoulder.St. Louis, C. V. Mosby, 1993.. Detrisac, D. A., Johnson, L. L.: Arthroscopic Shoulder Capsulorrhaphy using Metal Staples. ...
I nitrates are creeping up. I am looking for something to assist in temporary nitrate removal until my refugium is running. Has anyone used something you recommend? Anyone ever tried AZ- NO3 Nitrate
Article Biological nitrate removal from water resources. During the recent decades, the increasing trends in nitrate ion concentration in ground water sources ...
Oh my! Blue Name: Theodore Eriksson Mosby Codename: Blue Alias: Theo, Catnip Age: early 30s Height: 6.1 Weight: 260 lbs Alignment: Neutral Good Identity: Secre
Fed into the three phase power method," states Dr. Gnther Wanninger. Consortium partner Prysmian Cables Methods, a former Pirelli subsidiary, supplied the babyliss pro perfect curl undersea cables. The interconnector tends to make it possible to send up to 600MW of energy from Tasmania to Victoria. nike air max 90 pas cher homme Transmission works in the opposite path as well, however, which indicates Tasmania is able to tap into the continental power grid throughout dry periods when its rivers do not contain sufficient water to fill its dams. Another benefit of HVDC systems is that they require only two cables as opposed to the three required for 3 phase current transmission. As air max 90 pas cher a outcome, an HVDC overhead line also requires much less area. Basslink is not only the worlds longest HVDC undersea cable hyperlink it also has a number of other extraordinary features. For example, semiconductor components thyristors act as energy converters, which are controlled by ten mW laser ...
Divers have retrieved one of the oldest skeletons in the Americas from a deep cave in Mexico-a ritually placed, 10,000-year-old young man.
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NSFs mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.
DNA is like an underwater cable. This pivotal idea occurred to mechanical engineer Sachin Goyal while he was a researcher at the University of Michigan. Working in the lab of Noel Perkins, Goyal was investigating the dynamics of steel cables mounted with acoustic sensors that are used by the U.S. military to monitor enemy submarines. The cables are attached to the seabed on one end, and to surface buoys on the other ...
DNA is like an underwater cable. This pivotal idea occurred to mechanical engineer Sachin Goyal while he was a researcher at the University of Michigan. Working in the lab of Noel Perkins, Goyal was investigating the dynamics of steel cables mounted with acoustic sensors that are used by the U.S. military to monitor enemy submarines. The cables are attached to the seabed on one end, and to surface buoys on the other ...
The American Society for Microbiology (ASM) is the oldest and largest single life science membership organization in the world. Membership has grown from 59 scientists in 1899 to more than 39,000 members today, with more than one third located outside the United States. The members represent 26 disciplines of microbiological specialization plus a division for microbiology educators.
Hi my nitrates arent high and I know water changes are the best thing for nitrates. But I was looking round the Internet and came across a couple of products that seem to good to be true. One is
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The heart of this extraordinary receiver was an ingenious ultrasound system for modulating the light scanned onto the screen. This type of optical diffraction cell seems to have been devised simultaneously in 1932 by the American team of Debye and Sears; and by the French scientists Lucas and Biquard. However its full practical application to light modulation in television is due to J H Jeffree, the chief engineer of the British firm, Scophony Limited. Formed in 1930 by Solomon Sagall, Scophonys main emphasis lay in developing novel methods of mechanical TV scanning to produce large screen images. J H Jeffree championed the usage of ultrasonic light modulators for this purpose, as a result of which this modulator became known, at least in the late 1930s, as The Jeffree Cell. In this TV application, the cell was lengthened to act as a sort of ultrasonic/optical delay line. As the ultrasound modulated by the incoming video signal travelled along the liquid in the cell, the device optically ...
Help Wanted: SpongeBob applies for a job at the local burger place, The Krusty Krab - his life long dream is to work there, but can he prove to Mr. Krabs and Squidward that hes worthy? He will have to prove a lot. Reef Blowers: SpongeBob tries to rid his front lawn of a pesky clam shell. Which like usual annoys squiard becuase all the mess ends up on his lawn. Tea at the Treedome: SpongeBob meets a squirrel named Sandy, who invites him over to her undersea treedome for tea one afternoon. Only problem is, its inside a waterproof treedome, and our spongy hero runs the risk of drying out completely if he attends, but with the help of Patrick he helps Spongebob almost get through it until spongebob wants to leave the Patrick comes in and the both get dried out ...
French robotics and undersea systems specialist ECA is showcasing its capability in unmanned mine countermeasures (MCM) at NAVDEX.
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Brain implants may allow humans to remotely guide some shark behavior. The work could create the next generation of stealthy undersea spies.
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Diving Medicine is a specialized area of medical science dealing with the biological effects of the undersea environment on health and safety. - Edmond Kay, M.D., Dive Physician for the University of Washington Diving Safety Program.
http://img697.imageshack.us/img697/6166/0801666104.jpg Applied Veterinary Histology, 3rd Edition By William J. Banks Hardcover: 527 pages Publisher: C.V. Mosby; Edition: Third Edition (January 15, 1993) Language: English
ST. LOUIS: THE C.V. MOSBY COMPANY, 1960. Fifth Edition. Hardcover. G. Item #51046 WITH LOTS OF UNDERLINING. ; WITH 414 TEXT ILLUSTRATIONS AND 4 COLOR PLATES. ; 8vo; 876 pages.
Reviewing the institutionвs IV policy and procedures and in- compatibility charts lamisil online kopen checking with the la misil before administering any IV medication, Mosby, 1999. If the patient lives alone, more attention may be focused on functional tasks, such as reading mail and onli ne labels on medicine bottles and food packaging. 112.
Hypoxia, anoxia and free hydrogen sulphide in the water column are characteristic of the inner shelf coastal upwelling system off central Namibia. Biogeochemical monitoring of the diatomaceous sediments along the central coast over a 3-year period, coupled with acoustic studies and ROV video coverage, indicated a major role played by the seafloor in the generation and control of H2S into the water column. We determined the sedimentary processes resulting in the generation and dispersal of hydrogen sulphide, and its effect on some of the locally important fishes and invertebrates.. Marked interannual variability with no obvious seasonal trends was apparent in methane contents of sediments even over the short three-year period, whilst sulphate reduction rates in the sediment showed little change. The large sulphur bacteria Thiomargarita namibiensis and Beggiatoa spp. form dense mats over extensive areas of mud and oxidize sulphide at the sediment-water interface, thereby regulating its flux into ...
Scripps Institution of Oceanography at University of California San Diego launches its summer evening lecture series TONIGHT with a lecture on undersea robots. Jules Jaffe, Scripps research oceanographer will speak on his "latest scheme" to use "inexpensive, miniaturized robotic floats that travel with currents, sense the environment, and report their findings back to us." His lecture is called "Swarms of Small Autonomous Robots: A Future Vision for Ocean Observation.". At a second lecture on July 13, Jeffrey Graham, marine biologist, will talk about sharks. "Learn how shark biologists study shark physiology, life history and behavior for insight into what allows these fishes to rank among the worlds most efficient predators.". The lectures, which are intended for and open to the general public, take place at Birch Aquarium, Scripps Institution of Oceanography, UC San Diego campus. See the Scripps website for more information.. The lectures are also broadcast on UCSD-TV. For further ...
Blood donation screening for antibodies to human T-lymphotropic viruses (HTLV) has been in place in the United States since the end of 1988, first focused on HTLV-I and then on HTLV-I and HTLV-II. HTLV-II is likely less pathogenic than HTLV-I but all data indicate that HTLV-II is more common in the US than HTLV-I and, like HTLV-I, is transmitted in the US primarily via illegal injection drug use and sexually (mostly male to female, explaining higher prevalence rates in females). The HTLV donation prevalence rate in the US is comparable to that of HIV (approximately 3 per 100,000 donations) according to data generated by the American Red Cross (ARC); very low rates of incident infections have also been documented (again, mostly in females). Low prevalence in the US and Canada is also associated with the absence of documented transfusion transmission since screening was initiated.. The issue before the BPAC today is that since screening began in 1988, multiple FDA-licensed screening tests with ...
The year 1887 in science and technology involved many significant events, listed below. April - Carte du Ciel project initiated by Paris Observatory director Amédée Mouchez. Theodor von Oppolzers Canon der Finsternisse, a compilation of the 8,000 solar and 5,200 lunar eclipses from 1200 BC until 2161 AD, is published posthumously. Jean Pierre Mégnin publishes Faune des Tombeaux ("Fauna of the Tombs"), the founding work of modern forensic entomology. Sergei Winogradsky discovers the first known form of lithotrophy during his research with Beggiatoa. The Petri dish was created by German bacteriologist Julius Richard Petri. Amphetamine was first synthesized in Germany by Romanian chemist Lazăr Edeleanu, who named it phenylisopropylamine. Guyou hemisphere-in-a-square projection developed by Émile Guyou. January 28 - In a snowstorm at Fort Keogh, Montana, in the United States, the largest snowflakes on record are reported. They are 15 inches (38 cm) wide and 8 inches (20 cm) thick. September 28 ...
Natural hydrocarbon seeps represent a habitat for microbial communities that might provide the molecular tool kit for sustainable strategies to reduce the negative impact of oil spills. They also are a persistent source of methane (CH4) [16], a greenhouse gas whose climate warming potential is 25 times greater than that of CO2 [48]. Biological CH4 oxidation in the marine ecosystem has been well documented and identified as a CH4 sink of global significance [49-51]. Anaerobic oxidation of methane (AOM), mediated by microbiomes associated with ocean sediments and deposits, has been proposed as the dominant biological process responsible for the removal of ,300 Tg CH4 per year from the ocean [52,53]. Despite strong research efforts aimed at understanding AOM and its regulation, it remains poorly understood. Until recently, AOM in marine environments was thought to be mediated by consortia of anaerobic methanotrophic archaea (ANMEs) and sulfate reducing bacteria [54,55] or alternatively by microbial ...
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Copyright © 2007, 2004, 2000, Mosby, Inc., an affiliate of Elsevier Inc. All Rights Reserved. Normal Insulin Secretion Fig. 49-1
This presentation summarizes the first study of hyperbaric oxygen chemo-radiation sensitization for locally advanced squamous cell carcinomas of the oropharynx. It took the form of a Stage I dose escalation trial, designed to determine safety, feasibility and tolerability when hyperbaric oxygen was added to standard care, namely intensity modulated radiation therapy and cisplatinum chemotherapy. The presentation will describe the biological plausibility and physiologic basis for pre-radiation hyperbaric hyperoxia, and the rationale for selection of this tumor type and tumor grade. The hyperbaric dosing regimen, one based upon previous human tumor oxygen response curves, is discussed, and the critical time window for radiation therapy "beam on" from exiting the chamber discussed. Evolution from earlier sensitization studies that employed concurrent hyperbaric oxygen-radiation therapy to the modern sequential approach are described, as will its inherent advantages. A staging protocol employed to ...
Using as a home base the National Oceanic and Atmospheric Administrations Aquarius--an underwater facility for science and diving located in Key Largo, Florida--a team of "aquanauts" is working to protect coral reefs from this barrage of threats by investigating ways to improve their restoration.. "Its like living on the space station, except that its underwater," said Iliana Baums, an assistant professor of biology at Penn State and a collaborator on the project. "The job is dangerous because, once the aquanauts descend, their tissues become saturated with nitrogen. If they were to return to the surface quickly, they would get the bends--an often deadly illness in which tiny bubbles form inside the body. As a result, the divers at the end of their mission must spend an entire day depressurizing by making their way to the surface slowly.". A molecular ecologist, Baums is providing the genetic expertise that will reveal whether particular coral colonies contain forms of genes that allow them ...
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The UHMS clinical hyperbaric medicine facility accreditation program recognizes hyperbaric facilities that demonstrate their commitment to patient care and facility safety.. CLICK HERE TO VIEW CURRENT ACCREDITED FACILITIES ...
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See also Keely v. MSPB, 760 F.2d 246, 249 (Fed. Cir. 1985) (the court held that "notwithstanding the merits of the agencys initial action, under § 7701(g)(1) `interest of justice standard an award of attorney fees is proper" for attorney fees incurred as a result of an appeal to MSPB "where the agency brings an appeal that is clearly without merit"). Accordingly, this argument provides no basis for finding the award deficient. The Agencys second argument is that the Union never argued to the Arbitrator that an award of fees was warranted in the interest of justice based on the Agency filing exceptions to the original award. However, in its memorandum in support of its motion for attorney fees, the Union expressly addressed its position on why an award of attorney fees was warranted in the interest of justice. The Union specifically argued that "the Agency knew or should have known that it would not prevail on its exceptions" and that "[t]he Agency showed ill will or negligence in proceeding ...
Bill Mosby is probably weary, weary of people describing his winery as "a little bit of Italy in Santa Ynez Valley," but thats the price you pay for adhering to a strict regimen of Italian grape varieties along Californias Central Coast. Today I write about four of his wines, from a roster of 17, as well as grappa, plum brandy and other distillates, all of which he produces in minute quantities. Mosby and his wife Jeri purchased property on the old Rancho de la Vega land grant in 1976, on the Santa Rosa Road south of Buellton - population 4,828 and home of OstrichLand USA - now somewhat a center of the winemaking industry in the valley. The winery features an adobe house built in 1853, the home of the Mosby family, and a carriage house from the 1880s, the winerys tasting room. We have to approach the problem of what wines should be like when theyre associated with a geography and climate far away, as in thousands of miles and different longitudes and latitudes. Santa Barbara County doesnt ...
What D Bunker is NOT: D Bunker is Not African American. D Bunker is Not Hispanic American. D Bunker is Not a Jewish American. D Bunker is Not a Gay American. D Bunker is an American, Period. And this POd American has had 10 times more than twice too much of enough of Anyone claiming special rights for themselves over Anyone else. Far too many good men and women of all races, creeds and colors have given Everything and more to establish that None of Us are better than the Next of Us, AS LAW, to allow Any Ideology, especially one which is Wholly Smoke and Mirrors, to rule and ruin the lives of Any of us ...
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2015 pharmacyStudent.ME. All rights reserved.. We participate in various affiliate marketing programs, which means we get paid commissions on purchases made through our links to retailer sites. Request: pharmstudentme[at]gmail.com ...
Although the vast majority of life on Earth lives in mesophyllic (moderate) environments, a few organisms, most of them microbes, have managed to colonise extreme environments that are unsuitable for most higher life forms. There are bacteria, for example, living in Lake Whillans, half a mile below the ice of Antarctica; in the absence of sunlight, they must rely on organic material from elsewhere, perhaps decaying matter from glacier melt water or minerals from the underlying rock.[25] Other bacteria can be found in abundance in the Mariana Trench, the deepest place in the ocean and on Earth; marine snow drifts down from the surface layers of the sea and accumulates in this undersea valley, providing nourishment for an extensive community of bacteria.[26] Other microbes live in habitats lacking in oxygen, and are dependent on chemical reactions other than photosynthesis. Boreholes drilled 300 m (1,000 ft) into the rocky seabed have found microbial communities apparently based on the products of ...
(Phys.org) -Coral reefs not only provide the world with rich, productive ecosystems and photogenic undersea settings, they also contribute an economic boost valued at hundreds of billions of dollars. But their decline in ...
The Milstein Hall of Ocean Life highlights the drama of the undersea world and its diverse and complex web of life in marine environments. More than 750 sea creatures are featured in 14 dioramas and eight ocean ecosystem displays, from the diversity of life in coral reefs to bioluminescent fishes in the deep sea.
The Milstein Hall of Ocean Life highlights the drama of the undersea world and its diverse and complex web of life in marine environments. More than 750 sea creatures are featured in 14 dioramas and eight ocean ecosystem displays, from the diversity of life in coral reefs to bioluminescent fishes in the deep sea.
A single protein found on the surface of squid egg capsules will instantly transform a placid cephalopod into a eight-armed undersea terror, scientists discover.
Links for you. Science: Immune system myths - can we really boost it? Orca cultural groups found to be genetically distinct Original Stonehenge was dismantled in Wales and moved to Wiltshire, archaeologists believe 10 Stunning Undersea Creatures From the Deepwater Exploration of the Marianas A Whole Country Against a Mosquito Other: Colleges send too many…
bortedwards-. A) Find it? More likely constructed it in an inky undersea lair.. B) If it were an octopus, Id say revenge. But as it was a squid, probably just stupidly messing around. Now, a cuttlefish… first small steps toward world domination. And might be pulling the strings behind those easily manipulated squid…. ...
Conditions that we CAN treat approved by the Undersea and Hyperbaric Medical Society (UHMS) and European Committee for Hyperbaric Medicine (ECHM).
quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/undersea.jpg]] [[caption-width-right:250:Think of it as your regular secret base. Except instead of birds, you have [[ThreateningShark sharks]].]] -,If youre looking for me,\ Youd better check under the sea,\ Cause that is where youll find me\ Underneath the Sealab\ Underneath the water\ Sealab...\ [[DepartmentOfRedundancyDepartment At the bottom of the sea.]] --,-- {{WesternAnimation/Sealab 2021}} Characters have their base of operations underwater. Somewhat more common with villains. Good for keeping out unwanted visitors. After all, it takes more effort to break in if you have to be looking out for giant squids at the same time. Compare ElaborateUndergroundBase, IslandBase, SpaceBase. See also UnderwaterCity. ---- !!Examples: [[foldercontrol]] [[folder:Anime and Manga]] * Anime/{{Daimos}}: [[WingedHumanoid The Brahmins]] HomeBase on Earth was an underwater base served like their headquarters to launch attacks ...
This is the worlds first demonstration of the potentially transformative capability for wave energy converters to enable persistent oceanographic observation and unmanned, undersea vehicle recharge without a cable to shore ...
CP Haakon and CP Mette-Marit will pay a Visit to Mexico from march 16th to 20th 2009. Med kronprinsparet til Mexico i mars? - Eksportaktuelt The thread will remain closed until closer to the event.
Tiggersk8; I really hope Haakon and/or Mette-Marit have managed to contact the Childrens Teachers over the weekend to give them a heads up about this. I have no idea how Norway deals w/kids abusing
Spine Secrets Plus, 2e de Vincent J. Devlin MD en Iberlibro.com - ISBN 10: 0323069525 - ISBN 13: 9780323069526 - Mosby - 2011 - Tapa blanda
Ropero Miller, J., & Winecker, R. E. (2003). Alcohol. In L. A. Kaplan, A. J. Pesce, & S. C. Kazmierczak (Eds.), Clinical Chemistry: Theory, Analysis, Correlation, Fourth Edition (pp. 639-656). St. Louis, MO: Mosby, Inc ...
Ufret-Vincenty RL, Lerner LE and Kaiser PK. Non-Neovascular Age-Related Macular Degeneration. In: Huang D, Kaiser PK, Lowder CY, and Traboulsi EI, eds. Retinal Imaging. Philadelphia, PA: Mosby, 2006: 145-151.. ...
Yealy DM, Kosowsky JM: Dysrhythmias, in Marx JA, Hockberger RS, Walls RM, et al (eds): Rosens Emergency Medicine: Concepts and Clinical Practice, ed 8. St. Louis, Mosby, Inc., 2013, (Ch) 79: pp 1062-1063 ...
An autotrophic continuous denitrification process, using hydrogen generated by electrolysis with activated carbon anodes, was experimentally demonstrated to be an effective nitrate removal process. Several fixed bed columns with polypropylene packing and honeycomb shaped activated carbon anodes and stainless rod cathodes were set in a thermostat chamber at 30°C, and potassium nitrate enriched tap water as influent was supplied at various flow rates and electric currents. Although the anode is in the same column where microbial biomass grows, sufficient nitrate removal was observed. For example, almost complete removal of nitrate and nitrite was observed at a hydraulic retention time (HRT) as short as 1.8 h. A model assuming successive denitrification reactions and plug-flow process, nitrate reduction rate = k1[NO3−] [H2], and nitrite reduction rate = k2 [NO2−]H2]1.5 was proposed. Calculated results with k1 = 1.3 mmol−1 h−1 and k2 = 3.3 mmol−1.5•h−1 agreed well with all the ...
Article Effect of cathode electron acceptors on simultaneous anaerobic sulfide and nitrate removal in microbial fuel cell. The current investigation reports the effect of cathode electron acceptors on simultaneous sulfide and nitrate removal in two-c...
Books:. Co-editor/author of the book, "Small Animal Surgery," Mosby, 1997 1st ed, 2002 2nd ed, 2007 3rd ed.. Co-author/editor, "Manual of Small Animal Surgery", Mosby, 2000.. Co-editor/author of the book, "Clinical Atlas of Ear, Nose and Throat Diseases in Small Animals," Schlütersche, 2002.. Guest editor of the book, "Problems in Veterinary Medicine: Head & Neck Surgery," JB Lippincott Company, 1991.. Book Chapters:. Hedlund CS. Surgery of the Integumentary System. In Fossum TW (ed), Small Animal Surgery, 3rd ed, St. Louis, Missouri, Elsevier/Mosby, 2007, pp 159-259.. Hedlund CS. Surgery of the eye. In Fossum TW (ed), Small Animal Surgery, 3rd ed, St. Louis, Missouri, Elsevier/Mosby, 2007, pp 260-288.. Hedlund CS. Surgery of the oral cavity and oropharynx. In Fossum TW (ed), Small Animal Surgery, 3rd ed, St. Louis, Missouri, Elsevier/Mosby, 2007, pp 339-371.. Hedlund CS. Surgery of the esophagus. In Fossum TW (ed), Small Animal Surgery, 3rd ed, St. Louis, Missouri, Elsevier/Mosby, 2007, pp ...
TY - JOUR. T1 - Comment on "Nitrate removal from aqueous solution by adsorption onto various materials" by N. Öztürk, T.E. Bektaş. AU - Ho, Yuh Shan. PY - 2005/2/14. Y1 - 2005/2/14. N2 - A research papers contribution exists not only in its originality and creativity but also in its continuity and development for research that follows. The reference section can play a key role to researchers who are interested in a papers statement or who would like to follow the study or find useful information from the paper. Citation error and quotation error occurred very frequently in a scientific paper, however, the author easily ignores it. Öztürk and Bektaş published a paper, there is no doubt about this paper, which was previously evaluated and accepted for publication. This study presents quotation and citation errors of Lagergrens pseudo-first order rate equation and Hos pseudo-second order rate expression. It is also suggested that an author not only must be creative but also must be ...
Welcome to the fastest way to find out about Obamacare in Mosby, Virginia. Here, youll find clear and accurate information about Obamacare, including: whether or not you must get health insurance, what the available plans cover, how much coverage will cost in Virginia, and how to sign up for a plan in Virginia.
The genus Thiomargarita includes the worlds largest bacteria. But as uncultured organisms, their physiology, metabolism, and basis for their gigantism are not well understood. Thus a genomics approach, applied to a single Candidatus Thiomargarita nelsonii cell was employed to explore the genetic potential of one of these enigmatic giant bacteria. The Thiomargarita cell was obtained from an assemblage of budding Ca. T. nelsonii attached to a provannid gastropod shell from Hydrate Ridge, a methane seep offshore of Oregon, USA. Here we present a manually curated genome of Bud S10 resulting from a hybrid assembly of long Pacific Biosciences and short Illumina sequencing reads. With respect to inorganic carbon fixation and sulfur oxidation pathways, the Ca. T. nelsonii Hydrate Ridge Bud S10 genome was similar to marine sister taxa within the family Beggiatoaceae. However, the Bud S10 genome contains genes suggestive of the genetic potential for lithotrophic growth on arsenite and perhaps hydrogen. The
Citation: Greenan, C., Moorman, T.B., Parkin, T.B., Kaspar, T.C., Jaynes, D.B. 2009. Denitrification in Wood Chip Bioreactors at Different Water Flows. Journal of Environmental Quality. 38:1664-1671. Interpretive Summary: Subsurface drainage in agricultural watersheds exports a large quantity of nitrate-nitrogen (NO3-N) and concentrations frequently exceed 10 parts per million (ppm). Wood chip biofilters were shown to be effective in nitrate removal in the field, but their performance is governed by many interacting factors, particularly variations in water flow and nitrate concentration. A laboratory study was conducted to investigate the ability of a wood chip biofilter to promote denitrification at water flows which are representative of flows entering subsurface drainage tiles in the field. Denitrification (the microbial conversion of nitrate to dinitrogen gas) was shown to be the dominant nitrate removal mechanism. Complete nitrate removal was obtained at the lowest flow rate, but only 30% ...
CLASSIFIED (2) Gas the badgers ! ! ! ... says Princess Anne : I Dont give a fork Royal calls for inhumane killings (1) GREEN SUSTAINABILITY SCAM AGENDAS of the DARK ELITE SOCIOPATHS ... Global Water and Land Grabs (1) Terrorism funding just one thing banks getting away with - HSBC whistleblower (1) The congregation was besides themselves: Mormon bishop dresses as homeless man to teach flock a lesson (1) Teenage girls are traded for food : Culture of sexual abuse of children on UK territory of St Helena (1) The Peoples Voice YouTube Channel and Moderators Are Up ... DAVID ICKE (1) Mother Hen Government Has To Go (1) Shall we stop this bleeding?: A Call from Kevin Annett (1) Transhumanist Agenda : The Smart Dust That Can Turn Everyone Into A Robot (1) "Putin puts fear of God in New World Order" (1) "PSEUDO FAKE ACTION MAN SOLD MY SOUL BONO"s One Foundation Keeps 98% of Charity Funds (1) ( FALSE FLAG ) ALIEN INVASION OFFICIALLY DISCLOSED (1) (((BREAKING NEWS))) ...
The first cross-strait cable linking Taiwan and China has been given the green light.. The JV has been launched by Taiwans Chunghwa Telecom who holds a 50% stake and Chinas China Telecom, China Mobile and China Unicom. Chunghwa Telecom has invested NT$100 million ($US3.4m) in the project and the three Chinese companies have jointly tipped in $NT100 million.. "The cable will help reduce the cost of telecommunications between Taiwan and the mainland, currently done via routes crossing third territories like Japan," an official at the National Communications Commission said.. The 220-kilometre (136-mile) submarine cable is scheduled to be completed in the first quarter of 2012.. The NCC spokesperson said that the regulator had determined that the project would not breach rules barring Chinese investment in tier-1 telecom operations.. Taiwanese operators had agreed not to use Chinese manufactured equipment on their end of the cable to quell security fears. ®. Sponsored: Detecting cyber attacks as ...
Arctic sea ice thinned by climate change increasingly produces conditions favorable for phytoplankton blooms in the waters below, new research suggests.
References: Manno M. Pediatric respiratory emergencies: upper airway obstruction and infections. In: Marx J, ed. Rosens Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 166.. Thomas SH, Brown DFM. Foreign bodies. In: Marx J, ed. Rosens Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 57.. Wippold FJ II. Diagnostic imaging of the larynx. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 106. ...
A multifilar flexible rotary shaft includes a plurality of individual filaments which are not wound around each other or around a central core, a loose ensemble of filaments. The input ends of each filament are coupled to each other and the output ends of each filament are coupled to each other. A loose ensemble of N filaments can transmit N times the torque of a single filament, and will have N times the torsional stiffness of a single filament, while retaining the minimum radius of operation of a single filament. Since a loose ensemble of filaments does not have any appreciable contact forces among the filaments (because they are not forcibly twisted together), there is no appreciable internal friction or hysteresis. The filaments should be no more than loosely twisted together, if at all. Several practical applications of the invention are also disclosed.
During the late 1980s, a small business in Germany, MoBiTech, contacted the Campbells about purchasing nitrate reductase purified from corn seedlings using monoclonal antibodies to use in their work on an immobilized enzyme system for the removal of nitrate from drinking water. The Campbells saw this as an opportunity to fund a couple of work-study students at their laboratory at MTU, so they developed a bench-scale enzyme production system. This would satisfy research requirements for structure/function studies as well as provide extra protein for the small research company in Germany. Together, Dr. Bill Campbell and MoBiTech published a paper on the nitrate removal system in Nature in 1991 while the Campbells were on sabbatical in Stockholm. In 1992, The New York Times interviewed Dr. Bill Campbell about the nitrate removal system and published the article in the SCIENCE WATCH section on March 10th. Following the publication, they received an influx of letters and calls from wastewater ...
... Jeanelle F. Jimenez RN, BSN, CCRN CLASSIFICATION OF SENSE ORGANS  General sense organs (Table 9-1)    Often exist as individual cells or receptor units Widely distributed throughout the body Special sense organs (Table 9-2)   Large and complex organs Localized grouping of specialized receptors Elsevier items and derived items © 2008, 2004 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 2 CLASSIFICATION OF SENSE ORGANS  Classification by presence or absence of covering capsule    Encapsulated Unencapsulated ("free" or "naked") Classification by type of stimuli required to activate receptors       Photoreceptors (light) Chemoreceptors (chemicals) Pain receptors (injury) Thermoreceptors (temperature change) Mechanoreceptors (movement or deforming of capsule) Proprioceptors (position of body parts or changes in muscle length or tension) Elsevier items and derived items © 2008, 2004 by Mosby, Inc., an affiliate of Elsevier ...
Devils triangle - the area of ocean between Bermuda, Florida, and Puerto Rico, where many anomalies have been reported along with missing ships and aircraft Most of the ship and air craft disappearances have been attributed to subterranean undersea gas pockets being released due to the shifting of the ocean bottom from the many undersea volcanoes and earthquakes, the bubbles in the water beneath a water craft such as a boat or ship, causes the water lose most of its density and therefore the craft lose most of their buoyancy, then the methane gas being lighter than air rises and aircraft flying through this cloud of gas which is also less dense than the air, lose altitude and lack of oxygen can cause the engines to stall or if there is enough oxygen for the engines to run they can ignite the cloud, either way you have an aircraft down ...
Pyridine,one of bio-recalcitrant compounds,was treated with photocatalysis to break its molecular structure.It could not be oxidized by potassium dichromate until photocatalysis,which was proved by COD increasing with photocatalytic time increasing.Pyridine was taken as organic carbon source to reduce nitrate in denitrification,and experimental results indicated that nitrate removal percentage with photocatalysis was increased as 4.2 times as that without photocatalysis.When pyridine was treated with photocatalysis and used as organic carbon source for denitrification of 30 min,the nitrate removal percentage was equivalent to the same effect by adding 150 mg/L of glucose as carbon source,which suggested that biodegradability of pyridine was improved after photocatalysis,which could realize pyridine and nitrate removal at the same time.
The researchers also compared these serpentinites with recent equivalents from the mid-oceanic ridge of the Artic Ocean, the Alps and Mexico: the Isua rocks are markedly depleted in heavy isotopes of zinc compared to the latter. On the other hand, their zinc is isotopically similar to that from mud volcanoes of the Marianas Trench. Nearly four billion years ago, at a time when the continents only occupied a very small part of the surface area of the globe, the oceanic crust of Isua was permeated by basic hydrothermal fluids, rich in carbonates, and at temperatures ranging from 100 to 300°C. Phosphorus, another indispensable element to life, is abundant in environments where serpentinization takes place(3). As this process generates mud volcanoes, all the necessary conditions were gathered at Isua for organic molecules to form and be stable. The mud volcanoes at Isua thus represent a particularly favorable setting for the emergence of primitive terrestrial life.. ...
Sulfur and iron concentrations in wood from three 17th century shipwrecks in the Baltic Sea, the Ghost wreck, the Crown and the Sword, were obtained by X-ray fluorescence (XRF) scanning. In near anaerobic environments symbiotic microorganisms degrade waterlogged wood, reduce sulfate and promote accumulation of low-valent sulfur compounds, as previously found for the famous wrecks of the Vasa and Mary Rose. Sulfur K-edge X-ray absorption near-edge structure (XANES) analyses of Ghost wreck wood show that organic thiols and disulfides dominate, together with elemental sulfur probably generated by sulfur-oxidizing Beggiatoa bacteria. Iron sulfides were not detected, consistent with the relatively low iron concentration in the wood. In a museum climate with high atmospheric humidity oxidation processes, especially of iron sulfides formed in the presence of corroding iron, may induce post-conservation wood degradation. Subject to more general confirmation by further analyses no severe conservation ...
0121] During use, some systems for the reduction of contaminants and/or wastewater treatment plants may have foaming. Foaming may cause problems in continuous operation of a wastewater treatment plant by inhibiting contact between contaminants in the wastewater and the biofilm, altering mixing properties of a container, and/or blocking inlets and/or outlets. Some bacteria, such as bacteria in the genus Gordonia, Nocardia, Microthrix, and/or bacteria in the family Thiotrichaceae, such as bacteria in the genus Thiothrix and Beggiatoa, may cause foaming in wastewater treatment systems. In some embodiments, one or more hydrophobic substrates may be added to a container in a wastewater treatment plant that has foaming. The bacteria at least partially causing the foaming may couple to the hydrophobic substrates and foaming may be reduced and/or inhibited. When the bacteria, such as bacteria in the genus Gordonia, Nocardia, Microthrix, and/or bacteria in the family Thiotrichaceae, such as bacteria in ...
Anderson C, Lis-Balchin M, Kifk-Smith M. Evaluation of massage with essential oils in childhood atopic eczema. Phyother Res. 2000;14(6):452-456.. Auerbach P. Auerbach: Wilderness Medicine. 5th ed. Philadelphia, PA: Elsevier Mosby; 2007.. Blumenthal M, Goldberg A, Brinckmann J. Herbal Medicine: Expanded Commission E Monographs. Newton, MA: Integrative Medicine Communications; 2000:226-229.. Ernst E. The Desktop Guide to Complementary and Alternative Medicine: An Evidence-Based Approach. Edinburgh: Mosby; 2001:130-132.. Fibler M, Quante A. A case series on the use of lavendula oil capsules in patients suffering from major depressive disorder and symptoms of psychomotor agitation, insomnia and anxiety. Complement Ther Med. 2014;22(1):63-9.. Graham PH, Browne L, Cox H, Graham J. Inhalation aromatherapy during radiotherapy: results of a placebo-controlled double-blind randomized trial. J Clin Oncol. 2003;21(12):2372-6.. Gyllenhaal C, Merrit SL, Peterson SD, Block KI, Gochenour T. Efficacy and safety ...

Beggiatoa - WikipediaBeggiatoa - Wikipedia

"Beggiatoa".. *^ a b c Schmidt TM, Arieli B, Cohen Y, Padan E, Strohl WR (Dec 1987). "Sulfur metabolism in Beggiatoa alba". J ... Two species of Beggiatoa have been formally described: the type species Beggiatoa alba, and Beggiatoa leptomitoformis, the ... Beggiatoa. Beggiatoa is a genus of bacteria in the order Thiotrichales. They are named after the Italian medic and botanist F. ... Beggiatoa can be found in marine or freshwater environments. They can usually be found in habitats that have high levels of ...
more infohttps://en.m.wikipedia.org/wiki/Beggiatoa

Difference between revisions of Beggiatoa - microbewikiDifference between revisions of "Beggiatoa" - microbewiki

Beggiatoa is a genus of colorless, filamentous proteobacteria. With cells up to 200 microns in diameter, species of Beggiatoa ... Sulfur Metabolism in Beggiatoa. Journal of Bacteriology vol 169(12) December 1987. 5466-5472.. Silverside, Alan J. Beggiatoa. ... Beggiatoa. Biology Department, Virginia Polytechnic Institute and State University.. Marine Bacteria (Beggiatoa spp.) Benthic ... Beggiatoa are found in polluted marine environments, and can be seen by the naked eye as a white filamentous mat on top of the ...
more infohttps://microbewiki.kenyon.edu/index.php?title=Beggiatoa&diff=prev&oldid=5445

Beggiatoa - WikipediaBeggiatoa - Wikipedia

Two species of Beggiatoa have been formally described: the type species Beggiatoa alba, and Beggiatoa leptomitoformis, the ... Beggiatoa are close relatives of Thioploca. "Beggiatoa". Roxanne L. Nikolaus "Beggiatoa and hydrocarbon seeps - Unique bacteria ... "Beggiatoa". Schmidt TM, Arieli B, Cohen Y, Padan E, Strohl WR (Dec 1987). "Sulfur metabolism in Beggiatoa alba". J Bacteriol. ... Beggiatoa is a genus of bacteria in the order Thiotrichales. They are named after the Italian medic and botanist F. S. Beggiato ...
more infohttps://en.wikipedia.org/wiki/Beggiatoa

Beggiatoa leptomitoformis - WikipediaBeggiatoa leptomitoformis - Wikipedia

Beggiatoa leptomitoformis is a chemolithoautotrophic bacterium from the genus of Beggiatoa which has been isolated from ... Parte, A.C. "Beggiatoa". www.bacterio.net. "Beggiatoa leptomitoformis". www.uniprot.org. Parker, Charles Thomas; Garrity, ... Dubinina, G; Savvichev, A; Orlova, M; Gavrish, E; Verbarg, S; Grabovich, M (February 2017). "Beggiatoa leptomitoformis sp. nov ... George M. "Nomenclature Abstract for Beggiatoa leptomitoformis Dubinina et al. 2016". The NamesforLife Abstracts. doi:10.1601/ ...
more infohttps://en.wikipedia.org/wiki/Beggiatoa_leptomitoformis

Elvert, M et al. (2003): Carbon isotopic composition of major fatty acids in the Beggiatoa covered sediment coreElvert, M et al. (2003): Carbon isotopic composition of major fatty acids in the Beggiatoa covered sediment core

Carbon isotopic composition of major fatty acids in the Beggiatoa covered sediment core. PANGAEA, https://doi.org/10.1594/ ... Carbon isotopic composition of major fatty acids in the Beggiatoa covered sediment core. PANGAEA, https://doi.org/10.1594/ ...
more infohttps://doi.pangaea.de/10.1594/PANGAEA.315660

Simultaneous Visualization of Enzymatic Activity in the Cytoplasm and at Polyphosphate Inclusions in Beggiatoa sp. Strain...Simultaneous Visualization of Enzymatic Activity in the Cytoplasm and at Polyphosphate Inclusions in Beggiatoa sp. Strain...

H218O incubation of Beggiatoa sp. strain 35Flor.Beggiatoa sp. strain 35Flor was cultivated in opposing gradients of oxygen and ... The polyP-accumulating strain of the large sulfur bacterium Beggiatoa was used as a model organism. Beggiatoa cultures were ... Sulfide induces phosphate release from polyphosphate in cultures of a marine Beggiatoa strain. ISME J 5:497-506. doi:10.1038/ ... 2). Since phosphate in the surrounding medium was depleted after 7 days of growth (9) (see "H218O incubation of Beggiatoa sp. ...
more infohttps://msphere.asm.org/content/3/6/e00489-18

Phylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments :: MPG.PuRePhylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments :: MPG.PuRe

Phylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments ... 2003). Phylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments. Environmental Microbiology, 5( ... Phylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments ...
more infohttps://pure.mpg.de/pubman/faces/ViewItemOverviewPage.jsp?itemId=item_2485979

Top 10 Reasons I Love Crystal Meth(ane) | Deep Sea NewsTop 10 Reasons I Love Crystal Meth(ane) | Deep Sea News

5. Beggiatoa, Bitch!. Beggiatoa is a genus of filamentous bacteria that form colorful, fuzzy mats around cold seeps. Mats can ... Tagged Beggiatoa, Breaking Bad, Brine Pool, chemistry, Cold seeps, Crystal Meth, gas hydrate, Methane Hydrate, Microbes Post ... Beggiatoa mats on the sea floor around a Gulf of Mexico cold seep. The image mosaic (from left to right, and top to bottom) ... The colors also correspond to different species of Beggiatoa bacteria - these species are constantly competing with each other ...
more infohttp://www.deepseanews.com/2013/09/top-10-reasons-i-love-crystal-methane/

Causes Of Breathing Problems In Pots - Dysautonomia Discussion - Dysautonomia Information Network  (DINET)Causes Of Breathing Problems In Pots - Dysautonomia Discussion - Dysautonomia Information Network (DINET)

Beggiatoa, one of the members here mentioned she had significant help with SOB by taking Mestinon, causing her to think the ... Beggiatoa and Lotusflower...interesting observations. Ive felt all along that it was more of an "energy" issue than a lung ...
more infohttps://www.dinet.org/forums/topic/18528-causes-of-breathing-problems-in-pots/?tab=comments

Extremophiles Page 3Extremophiles Page 3

Beggiatoa alba (Vaucher) Trevisan (ATCC® 33555™) ATCC® Number: 33555™ Strain Designations: B18LD ...
more infohttps://atcc.org/en/Products/Cells_and_Microorganisms/Bacteria/Extremophiles.aspx?dsNav=Ro:80

Extremophiles Page 1Extremophiles Page 1

Beggiatoa alba (Vaucher) Trevisan (ATCC® 33555™) ATCC® Number: 33555™ Strain Designations: B18LD ...
more infohttps://atcc.org/en/Products/Cells_and_Microorganisms/Bacteria/Extremophiles.aspx?dsNav=Ro:90

Phylogenetic Affinity of a Wide, Vacuolate, Nitrate-AccumulatingBeggiatoa sp. from Monterey Canyon, California, withThioploca...Phylogenetic Affinity of a Wide, Vacuolate, Nitrate-AccumulatingBeggiatoa sp. from Monterey Canyon, California, withThioploca...

Beggiatoa sampling.Native filaments of a wide uncultured Beggiatoa sp. were collected at a depth of 900 m in Clam Field Seep (1 ... This vacuolate Beggiatoa-Thioplocacluster and a more distantly related freshwater Beggiatoaspecies cluster form a distinct ... In contrast, individualBeggiatoa filaments could be readily detected. The presumptive higher density of the MontereyBeggiatoa ... 1992) The genus Beggiatoa. in The prokaryotes, eds Balows A., Truper H. G., Dworkin M., Harder W., Schleifer K.-H. (Springer- ...
more infohttps://aem.asm.org/content/65/1/270?ijkey=7095a3d4cdeb472c11eaa5e0b97770ee65954919&keytype2=tf_ipsecsha

Frontiers | Metagenomic insights into S(0) precipitation in a terrestrial subsurface lithoautotrophic ecosystem | MicrobiologyFrontiers | Metagenomic insights into S(0) precipitation in a terrestrial subsurface lithoautotrophic ecosystem | Microbiology

Schmidt, T. M., Arieli, B., Cohen, Y., Padan, E., and Strohl, W. R. (1987). Sulfur metabolism in Beggiatoa alba. J. Bact. 169, ... For instance, Beggiatoa spp. can reduce intracellular S(0) when more favorable electron acceptors are unavailable (Nelson and ... Nelson, D. C., and Castenholz, R. W. (1981). Use of reduced sulfur compounds by Beggiatoa sp. J. Bact. 147, 140-154. ... Unlike many lithotrophic S-oxidizers (e.g., Beggiatoa spp., Thiothrix spp.), pure cultures of Epsilonproteobacteria do not ...
more infohttps://www.frontiersin.org/articles/10.3389/fmicb.2014.00756/full

CiNii 論文 - 
 		
 			泥火山を含む冷湧水帯におけるCiNii 論文 - 泥火山を含む冷湧水帯における

Beggiatoa spp. Applied and Environmental Microbiology 62, 954-958, 1996 被引用文献1件 ...
more infohttps://ci.nii.ac.jp/naid/10030365901

Table of Contents - January 14, 1977, 195 (4274) | ScienceTable of Contents - January 14, 1977, 195 (4274) | Science

Beggiatoa, gliding bacteria, live closely in hostile anaerobic environments with green plants and protect them by oxidizing ... Interaction of Beggiatoa and Rice Plant: Detoxification of Hydrogen Sulfide in the Rice Rhizosphere ... a plant root catalase protects Beggiatoa from autointoxication by decomposing its self-produced hydrogen peroxide (about × 3454 ...
more infohttp://science.sciencemag.org/content/195/4274

Frontiers | Single-Cell (Meta-)Genomics of a Dimorphic Candidatus Thiomargarita nelsonii Reveals Genomic Plasticity |...Frontiers | Single-Cell (Meta-)Genomics of a Dimorphic Candidatus Thiomargarita nelsonii Reveals Genomic Plasticity |...

A V-ATPase has been shown to be responsible for generating a proton-motive force across the membrane of a marine Beggiatoas ... Unlike its filamentous sister taxa (e.g., Beggiatoa, Thioploca etc.) Thiomargarita spp. is generally considered to be non- ... MacGregor, B. J., Biddle, J. F., and Teskea, A. (2013c). Mobile elements in a single-filament Orange Guaymas Basin Beggiatoa (" ... The genomes of the following strains were included in the tetra-nucleotide training and ESOM binning: Candidatus Beggiatoa sp. ...
more infohttps://www.frontiersin.org/articles/10.3389/fmicb.2016.00603/full

Prokaryota - WikispeciesProkaryota - Wikispecies

Genus Beggiatoa [I]. *Genus Thiothrix [II]. *Genus Thioploca [III]. *Genus "Thiospirillopsis" [IV] ...
more infohttps://species.wikimedia.org/wiki/Prokaryota

Difference between revisions of Taxonomy Index - microbewikiDifference between revisions of "Taxonomy Index" - microbewiki

Beggiatoa. Bifidobacterium. Bordetella. Borrelia. Bradyrhizobium. Brucella. Burkholderia. Campylobacter. Candidatus ...
more infohttps://microbewiki.kenyon.edu/index.php?title=Taxonomy_Index&diff=cur&oldid=4860

Addgene: pAAV hSyn1 bPAC cMyc T2A tDimerAddgene: pAAV hSyn1 bPAC cMyc T2A tDimer

Plasmid pAAV hSyn1 bPAC cMyc T2A tDimer from Dr. Thomas Oertners lab contains the inserts humanized photoactivated adenylyl cyclase and red fluorescent protein and is published in Unpublished This plasmid is available through Addgene.
more infohttp://www.addgene.org/85397/

Sulfur metabolism by marine heterotrophic bacteria involved in sulfur cycling in the ocean | SpringerLinkSulfur metabolism by marine heterotrophic bacteria involved in sulfur cycling in the ocean | SpringerLink

Biological and chemical sulfide oxidation in a Beggiatoa inhabited marine sediment. Isme J, 1: 341-353CrossRefGoogle Scholar ... Phylogeny and distribution of nitrate-storing Beggiatoa spp. in coastal marine sediments. Environ Microbiol, 5: 523-533CrossRef ... Close association of active nitrifiers with Beggiatoa mats covering deep-sea hydrothermal sediments. Environ Microbiol, 16: ...
more infohttps://link.springer.com/article/10.1007%2Fs11430-017-9234-x

PublicationsPublications

Teske, A., Sogin, M.L., Nielsen, L.P., and Jannasch, H.W. (1999). "Phylogenetic relationships of a large marine Beggiatoa." ...
more infohttp://www.mbl.edu/jbpc/publicationsparentpage/

Practical Control Methods for Activated Sludge Bulking and Foaming - NYS Dept. of Environmental ConservationPractical Control Methods for Activated Sludge Bulking and Foaming - NYS Dept. of Environmental Conservation

Thiothrix I and II, Beggiatoa spp., N. limicola II*, and types 021N, 0092*, 0914*, 0581*, 0961* and 0411.. ...
more infohttp://www.dec.ny.gov/chemical/34373.html

SUBJECT INDEXSUBJECT INDEX

Beggiatoa, bacterial mats, A8:13 bioevents age, A3:107; A4:105; A5:55; A6:71; A7:65; A8:82; A9:80; A10:96; A11:54; B8:28 See ...
more infohttp://www-odp.tamu.edu/publications/204_SR/index/subject.htm

Isolation and Characterization of Strains CVO and FWKO B, Two Novel Nitrate-Reducing, Sulfide-Oxidizing Bacteria Isolated from...Isolation and Characterization of Strains CVO and FWKO B, Two Novel Nitrate-Reducing, Sulfide-Oxidizing Bacteria Isolated from...

1991) The genus Beggiatoa. in The prokaryotes, eds Balows A., Truper H. G., Dworkin M., Harder W., Schleifer K.-H. (Springer- ... Growth media.CV synthetic brine (CSB) medium, a modified version of DTA medium (see below) used for growth ofBeggiatoa, ...
more infohttps://aem.asm.org/content/66/6/2491?ijkey=ecb812ee2261f808750ab4dcebb0a2158aee8ad4&keytype2=tf_ipsecsha
  • Fluorescent in situ hybridization with a sequence-specific probe confirmed that this sequence originated from wide Beggiatoa filaments (width, 65 to 85 μm). (asm.org)
  • Beggiatoa cultures were grown under oxic and anoxic conditions when exposed to either low- or high-sulfide conditions, which are known to influence polyP metabolism in this strain. (asm.org)
  • A phylogenetic tree based on evolutionary distances indicated that the Monterey Beggiatoa sp. (asm.org)
  • Beggiatoa can also be found in the rhizosphere of swamp plants. (wikipedia.org)
  • Beggiatoa tend to prefer areas that are rich in hydrogen sulfate, including water that has been contaminated with sewage. (kenyon.edu)