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.
A family of colorless sulfur bacteria in the order Thiotrichales, class GAMMAPROTEOBACTERIA.
Chemical groups containing the covalent sulfur bonds -S-. The sulfur atom can be bound to inorganic or organic moieties.
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.
Linear polymers in which orthophosphate residues are linked with energy-rich phosphoanhydride bonds. They are found in plants, animals, and microorganisms.
Inorganic salts of thiosulfuric acid possessing the general formula R2S2O3.
A mass of organic or inorganic solid fragmented material, or the solid fragment itself, that comes from the weathering of rock and is carried by, suspended in, or dropped by air, water, or ice. It refers also to a mass that is accumulated by any other natural agent and that forms in layers on the earth's surface, such as sand, gravel, silt, mud, fill, or loess. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1689)
Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.
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.
Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure.
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.
A key enzyme in the glyoxylate cycle. It catalyzes the conversion of isocitrate to succinate and glyoxylate. EC 4.1.3.1.
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.
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.
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)
A genus of gram-negative, aerobic bacteria in the family MORAXELLACEAE, associated with processed MEAT; FISH PRODUCTS; and POULTRY PRODUCTS.
An absence of warmth or heat or a temperature notably below an accustomed norm.
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.
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)
The relationships of groups of organisms as reflected by their genetic makeup.
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.
A plant genus of the family ARECACEAE that should not be confused with ACORUS CALAMUS.
A plant genus of the family IRIDACEAE that contains IRIP, a type-1 ribosome-inactivating protein, and iridals (TRITERPENES).
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.
A genus, commonly called budgerigars, in the family PSITTACIDAE. In the United States they are considered one of the five species of PARAKEETS.
The systematic study of the complete DNA sequences (GENOME) of organisms.
A hypnotic and sedative used in the treatment of INSOMNIA.
An island in the Lesser Antilles, one of the Windward Islands. Its capital is Fort-de-France. It was discovered by Columbus in 1502 and from its settlement in 1635 by the French it passed into and out of Dutch and British hands. It was made a French overseas department in 1946. One account of the name tells of native women on the shore calling "Madinina" as Columbus approached the island. The meaning was never discovered but was entered on early charts as Martinique, influenced by the name of St. Martin. (From Webster's New Geographical Dictionary, 1988, p734 & Room, Brewer's Dictionary of Names, 1992, p339)
Widely scattered islands in the Atlantic Ocean as far north as the AZORES and as far south as the South Sandwich Islands, with the greatest concentration found in the CARIBBEAN REGION. They include Annobon Island, Ascension, Canary Islands, Falkland Islands, Fernando Po (also called Isla de Bioko and Bioko), Gough Island, Madeira, Sao Tome and Principe, Saint Helena, and Tristan da Cunha.
A condition in which closely related persons, usually in the same family, share the same delusions.
Heat- and storage-labile plasma glycoprotein which accelerates the conversion of prothrombin to thrombin in blood coagulation. Factor V accomplishes this by forming a complex with factor Xa, phospholipid, and calcium (prothrombinase complex). Deficiency of factor V leads to Owren's disease.
A plasma protein that is the inactive precursor of thrombin. It is converted to thrombin by a prothrombin activator complex consisting of factor Xa, factor V, phospholipid, and calcium ions. Deficiency of prothrombin leads to hypoprothrombinemia.
Cylindrical epithelial cells in the innermost layer of the ENAMEL ORGAN. Their functions include contribution to the development of the dentinoenamel junction by the deposition of a layer of the matrix, thus producing the foundation for the prisms (the structural units of the DENTAL ENAMEL), and production of the matrix for the enamel prisms and interprismatic substance. (From Jablonski's Dictionary of Dentistry, 1992)
Refuse liquid or waste matter carried off by sewers.
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.
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.
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.
The discarding or destroying of liquid waste products or their transformation into something useful or innocuous.
The reduction or regulation of the population of mosquitoes through chemical, biological, or other means.
The reduction or regulation of the population of noxious, destructive, or dangerous insects through chemical, biological, or other means.
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)
Perception of three-dimensionality.
Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.
An expression of the number of mitoses found in a stated number of cells.
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.
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.
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.
Areas of the earth where hydrocarbon deposits of PETROLEUM and/or NATURAL GAS are located.
Naturally occurring complex liquid hydrocarbons which, after distillation, yield combustible fuels, petrochemicals, and lubricants.
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)
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)
Liquid water present beneath the surface of the earth.
A group of gram-negative, anaerobic bacteria that is able to oxidize acetate completely to carbon dioxide using elemental sulfur as the electron acceptor.

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 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] ...
ePIC (electronic Publication Information Center) is the official repository for publications and presentations of Alfred Wegener Institute for Polar and Marine Research (AWI)
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 ...
Training Divers to Fight Undersea Perils. USING a special dry-land pressure tank, Navy officials have perfected a method of training deep-sea divers to combat perils hundreds of feet beneath the surface of the sea.. YOUNG men who wish to become deep-sea divers can learn the fine points of the profession without getting any closer to the ocean than Washington, D. C, thanks to scientists who have developed a system of pressure-tank training which enables divers to stand on the bottom of a tank twelve feet deep and experience exactly the same pressure and temperature conditions that obtain in the ocean at depths of 200 to 300 feet. Deep-sea diving is a profession which demands a sturdy body, a steady nerve and clear judgment, but for young men who wish to choose a life work which holds forth promise of adventure, diving offers thrills second to none.. At Washington navy yard, a diving school whose personnel includes 25 enlisted men and 6 officers is now in session. Tyros are converted into skilled ...
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 ...
You searched for: Exhibit Tags access Remove constraint Exhibit Tags: access Format Text Remove constraint Format: Text Genre Articles Remove constraint Genre: Articles Publisher Mosby, Inc. Remove constraint Publisher: Mosby, Inc. Subject Transplantation Remove constraint Subject: Transplantation ...
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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 ...
Its approaching midnight at the bottom of the English Channel and a team of eager tunnel moles stands poised for a busy nights work.
UNCW Ocean Observing: Providing Infrastructure, Data, and Products to Support State and Federal Agency Needs. Slideshow 4451752 by burt
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 ...
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 ...
Measuring HbA1c levels at three to six month intervals is recommended to determine the effect of lifestyle and pharmacological approaches (Figure 1).9 Treatment can then be optimised by checking and reinforcing lifestyle approaches, adjusting doses, adding or withdrawing medicines, or adjusting HbA1c targets, as appropriate.. Discuss diet and physical activity. For all patients, sustaining lifestyle changes and maintaining weight loss is required for long term improvements in HbA1c levels and cardiovascular risk factors. Achieving this can be difficult; offer regular encouragement and assessment of any barriers the patient is experiencing.. Discuss medicine use and adverse effects. Ask patients about adverse effects or any difficulties they are having with their prescribed medicines which could contribute to reduced adherence.. Consider the simplicity of the patients medicine regimen, including medicines prescribed for co-morbidities, and whether any changes are possible to improve adherence.3 ...
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 ...
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.. ...
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! ...
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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.
The anaerobic oxidation of methane (AOM) is responsible for oxidizing nearly all of the 70.3 to 85.3 Tg of methane produced in anoxic marine sediments per year globally (50). In addition to its importance in controlling greenhouse gases, AOM has implications for investigations of early life on Earth, since anaerobic methane oxidizers and methanogens comprise a methane cycle suitable for oxidant-poor, early-Earth-like environments (19). The presence of isotopically light organic carbon in the Archean Eon suggests that AOM may have been an important microbial pathway on early Earth (19).. Although the organisms responsible for AOM in marine sediments are not yet isolated in pure culture, stable carbon isotopic studies and environmental genomic studies have shown that the process relies on archaea capable of reverse methanogenesis that often form close associations with sulfate-reducing bacteria (SRB) (5, 14, 18, 21). The archaeal anaerobic methane oxidizers (ANMEs) fall into three phylogenetic ...
Optogenetics enables manipulation of biological processes with light at high spatio-temporal resolution to control the behavior of cells, networks, or even whole animals. In contrast to the performance of excitatory rhodopsins, the effectiveness of inhibitory optogenetic tools is still insufficient. Here we report a two-component optical silencer system comprising photoactivated adenylyl cyclases (PACs) and the small cyclic nucleotide-gated potassium channel SthK. Activation of this PAC-K silencer by brief pulses of low-intensity blue light causes robust and reversible silencing of cardiomyocyte excitation and neuronal firing. In vivo expression of PAC-K in mouse and zebrafish neurons is well tolerated, where blue light inhibits neuronal activity and blocks motor responses. In combination with red-light absorbing channelrhodopsins, the distinct action spectra of PACs allow independent bimodal control of neuronal activity. PAC-K represents a reliable optogenetic silencer with intrinsic ...
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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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 ...
Download Image. (Reproduced from UK Water Projects On-Line 2012). During AMP4 (2005 to 2010) around half of all new builds of nitrate removal plant in the UK water industry used ACWA Services NITREAT® process, and in AMP5 at least 90% of the new plant installed has adopted this system. Taking advantage of the early operational experience and in close collaboration with its utility partners it has proved possible to optimise the process to provide significant Capex, Opex and embedded CO2 gains.. The full version is available as a download:. ...
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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 ...
Passive cooling is wonderful, and really drops the energy footprint of a data center, albeit a very small one which is being tested. Scaled up, I can think of another big impact: property taxes. Does anyone know what the law says about dropping a pod in the ocean? As far as I can tell, laying undersea cabling is expensive, but once installed there are no landlords holding out their hands for a monthly extraction. Rent aside, taking up space with windowless buildings sucking huge amounts of electricity isnt going to win hearts and minds of the neighborhood. Undersea real estate make sense there too.. But its fun to play Devils Advocate, and this one immediately raised my eyebrow. I read as much Sci Fi as time allows, and am always interested to see which authors are registering the best technology predictions. This is the second time in short order that I turn to [William Hertlings] work. Back in November, Google announced a project to add predictive responses to Gmail. This parallels the ...
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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.
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 ...
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 ...
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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On January 4, 1855, Mambajao was separated from Catarman, and by July 6 that year it was proclaimed as a town, with Fr. Valero Salvo as its first parish priest.[6] On July 17, 1864, tremors were felt across the town, which were signs of an ongoing activity within an undersea volcano near Catarman. By May 1, 1871, the volcano erupted, decimating the town of Catarman, which lead to almost all of its inhabitants moving to Mambajao.[6] In January 1872, Barrio Agojo was transferred from Guinsiliban to Mambajao.[6] The towns principal crop in the 19th century was abaca, while coffee and cacao were mostly produced for local consumption.[6] Sporadic fires were started from April 13, 1865 until 1881 by people attempting to burn down the town.[6] By the 1880s, the town had become cosmopolitan, for its population then included Spaniards, Tagalogs, Cebuanos, Leyteños, Samareños, Ilocanos, and others in addition to Camigueños and Boholanos.[6] In 1942, the Japanese forces landed in the town of Mambajao. ...
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 ...
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Aug 5, 2020 - Pin cute kittens, G rated environment. The board is watched closely for content. I check often, but please let me know if a pin breaks the rules so I can remove it. Thank you and God bless! Lance Olsen [email protected] The Sharky Marky picturebook series is where inspiration, education and kindness collide with an undersea rip-roaring car racing adventure! ages: 3-7 by Lance Olsen Sharky Marky and the Big Race and Sharky Marky and the Scavenger Hunt:An Alphabetic Adventure . See more ideas about Kittens, Crazy cats, Kittens cutest.
Bottle diving! I did 3000 dives before I ever picked up a bottle. I burned through miles of velvia 50 film and identifies all those undersea critters.....then i found my first Hutchison blob top.. such a fun andventure collecting junk from the past!! If you want to dive in Tacoma some Wednesday night, let me show you my secret spots ...
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 ...
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French robotics and undersea systems specialist ECA is showcasing its capability in unmanned mine countermeasures (MCM) at NAVDEX.
01 Drift Dive 02 Endless Ladder 03 [banter - home] 04 Crest 05 [banter - Undersea] 06 Zelda 07 [banter - charitywater.org] 08 Rolled Together 09 ...
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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.
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
blood vessel carrying blood to the liver from the spleen, pancreas, digestive tract, and so forth Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby [[Category: Biology]] ,html> ,script type=text/javascript> amzn_assoc_placement = adunit0; amzn_assoc_search_bar = true; amzn_assoc_tracking_id = j5rson-20; amzn_assoc_search_bar_position = bottom; amzn_assoc_ad_mode = search; amzn_assoc_ad_type = smart; amzn_assoc_marketplace = amazon; amzn_assoc_region = US; amzn_assoc_title = Shop Related Products; amzn_assoc_default_search_phrase = biology; amzn_assoc_default_category = All; amzn_assoc_linkid = 1ba5ff60b9cb0a65276bb8dd497c88ca; amzn_assoc_rows = 1; ,/script> ,script src=//z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US>,/script> ,/html ...
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.
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.
Ackley, B.J., & Ladwig, G.B. (2008). Nursing diagnosis handbook: An evidence-based guide to planning care (8th ed.). St. Louis: Mosby Elsevier.. ...
and Beggiatoa sp. from a depth of 1.5 m to the opening of the springcave. These together with the bacterium species play an ...
... 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- ...
... 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 ...
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: ...
Formerly, some bacteria, like Beggiatoa, were thought to be colorless Cyanobacteria. Stromatolites are layered biochemical ...
... 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, ...
Sergei Winogradsky discovers the first known form of lithotrophy during his research with Beggiatoa. The Petri dish was created ...
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 ...
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 ...
... of the soil bacterium Beggiatoa". J. Biol. Chem. 286 (2): 1181-8. doi:10.1074/jbc.M110.185496. PMC 3020725 . PMID 21030594. Ryu ...
Bathykurila is a specialist feeder on the sulfur-reducing bacteria Beggiatoa, that grows in abundant mats around a whale fall ...
... and Beggiatoa, as well as many other species of bacteria, cyanobacteria, and algae. The column provides numerous gradients, ...
... whose studies on algae and photosynthetic bacteria led him to describe several bacteria including Bacillus and Beggiatoa. Cohn ...
... an Australian microbiologist Beggiatoa - F. S. Beggiato, a physician of Vicenza Beijerinckia - Martinus W. Beijerinck, a Dutch ...
Beggiatoa) delta subdivision (Sulfur and sulfate reducers (Desulfovibrio), Myxobacteria, Bdellovibrio) Gram-positive ...
In the 1880s, while studying Beggiatoa (a bacterium living in a sulfur rich environment), Sergei Winogradsky found that it ...
Beggiatoa) delta subdivision (Sulfur and sulfate reducers (Desulfovibrio), Myxobacteria, Bdellovibrio) Gram-positive ...
... such as those of the sulfide-oxidizing Beggiatoa genus), often arranged in large bacterial mats near cold seeps. In these ...
... see Beggiatoa) or animals (clams, tube worms) with symbiont sulfide-oxidizing bacteria can thrive on the large amounts of ...
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 ...
... 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/ ...
gamma subdivision (enterics, fluorescent pseudomonads, purple sulfur bacteria, Legionella, (some) Beggiatoa). *delta ...
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 ...
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- ...
The proliferation of this single species in exclusive association with free-living, sulphide-oxidising bacteria (Beggiatoa) ...
  • they were distinguished by the fact that numerous Thioploca filaments are contained within a common polysaccharide sheath, while Beggiatoa filaments occur singly. (asm.org)
  • 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)
  • Among the numerous conspicuous sulfur-oxidizing bacteria, the genera Beggiatoa and Thioploca have similar morphological and physiological characteristics, including disk-shaped or cylindrical cells arranged in long filaments, gliding motility, intracellular globules of elemental sulfur, and the occurrence of both freshwater and marine representatives that have a wide range of cell diameters (widths). (asm.org)
  • Beggiatoa and Thioploca filaments have been observed to form dense mats on sediments in estuarine, shelf, seep, and deep-sea hydrothermal vent environments ( 7 , 10 , 12 ). (asm.org)
  • Beggiatoa is a genus of colorless, filamentous proteobacteria. (kenyon.edu)
  • Environmentally dominant members of the genus Beggiatoa and Thioploca spp. (asm.org)
  • Despite long-standing interest in both of these genera, there are pure cultures of only the narrowest Beggiatoa strains (width, less than 5 μm), while no Thioploca species has been cultured. (asm.org)
  • Although some ultrastructural differences between certain Thioploca and Beggiatoa strains have been reported at the electron microscopy level ( 21 , 22 ) and although some differentiation may be possible based on filament widths (Table 1 ), a single Thioploca filament cannot be reliably differentiated from a Beggiatoa filament by light microscopy. (asm.org)
  • This vacuolate Beggiatoa-Thioploca cluster and a more distantly related freshwater Beggiatoa species cluster form a distinct phylogenetic group. (asm.org)
  • In order to investigate the phylogeny of an environmentally dominant Beggiatoa sp. (asm.org)