Beggiatoa
Thiotrichaceae
Sulfides
Phototrophic 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.
Polyphosphates
Geologic Sediments
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)
Nitrates
Sulfur
Acetates
Catalase
Isocitrate Lyase
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
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
Acidithiobacillus
Alkalies
Scalp
Dysbiosis
Skin Irritancy Tests
Pemphigoid, Benign Mucous Membrane
Balneology
Mucous Membrane
An EPITHELIUM with MUCUS-secreting cells, such as GOBLET CELLS. It forms the lining of many body cavities, such as the DIGESTIVE TRACT, the RESPIRATORY TRACT, and the reproductive tract. Mucosa, rich in blood and lymph vessels, comprises an inner epithelium, a middle layer (lamina propria) of loose CONNECTIVE TISSUE, and an outer layer (muscularis mucosae) of SMOOTH MUSCLE CELLS that separates the mucosa from submucosa.
Myosin Type II
Iris Plant
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
Martinique
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)
Atlantic Islands
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.
Shared Paranoid Disorder
Factor V
Prothrombin
Ameloblasts
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)
Nystatin
United States Dept. of Health and Human Services
Pest Control
Waste Disposal, Fluid
Mosquito Control
Insect Control
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)
Severity of Illness Index
Glycemic Index
Vision Disparity
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)
(+info)Methylotrophy in freshwater Beggiatoa alba strains. (5/15)
(+info)Spatial structure and activity of sedimentary microbial communities underlying a Beggiatoa spp. mat in a Gulf of Mexico hydrocarbon seep. (6/15)
(+info)Sulfide induces phosphate release from polyphosphate in cultures of a marine Beggiatoa strain. (7/15)
(+info)High rates of denitrification and nitrate removal in cold seep sediments. (8/15)
(+info)
Beggiatoa - Wikipedia
Endosymbioses between bacteria and deep-sea siboglinid tubeworms from an Arctic cold seep (Haakon Mosby Mud Volcano, Barents...
Seafloor Hydrocarbon Seeps Influence Sea-surface Microbiology - /////
Difference between revisions of Beggiatoa - microbewiki
Phylogenetic Affinity of a Wide, Vacuolate, Nitrate-AccumulatingBeggiatoa sp. from Monterey Canyon, California, withThioploca...
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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 ...
Microbiology of oxygen minimum zones
and Beggiatoa spp. which reduce NO3− and/or NO2− to NH4+ using reduced sulfur. Denitrification and anammox account for about 30 ...
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- ...
Algae
Some filamentous bacteria (e.g., Beggiatoa) were originally seen as algae. Furthermore, groups like the apicomplexans are also ...
Black band disease
Also present are gliding Beggiatoa filaments (1-4 mm wide) that are non-pigmented but contain highly refractive intracellular ... Sulfide-oxidizing bacteria, dominated by Beggiatoa spp., are present in well-developed bands and exhibit visible vertical ... migrations within the band matrix (Richardson, 1996; Viehman and Richardson, 2006). When present on the band surface Beggiatoa ...
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 ...
Microbial oxidation of sulfur
Among the heterotrophic SOB are included species of Beggiatoa that can grow mixotrophically, using sulfide to obtain energy ( ... Burton SD, Morita RY (December 1964). "Effect of Catalase and Cultural Conditions on Growth of Beggiatoa". Journal of ...
Dissimilatory nitrate reduction to ammonium
For example, benthic sulfur bacteria in genera such as Beggiatoa and Thioploca inhabit anoxic sediments on continental shelves ... "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, ...
Macromonas bipunctata
Hinck, Susanne (2008). "Eco-physiological, chemotactic and taxonomic characterization of hypersaline Beggiatoa originating from ...
1887 in science
Sergei Winogradsky discovers the first known form of lithotrophy during his research with Beggiatoa. The Petri dish is created ...
Hydrothermal vent microbial communities
Other common species are Thiothrix and Beggiatoa, which is of particular importance because of its ability to fix nitrogen. ... Sulfur oxidizing species include and the genera of Thiomicrospira, Halothiobacillus, Beggiatoa, Persephonella, and Sulfurimonas ... Beggiatoa, zetaproteobacterium, and gammaproteobacterial endosymbionts of tubeworms, bivalves, and gastropods. The Reductive ... major symbionts Allochromatium Thiomicrospira Thioalkalivibrio Methylococcaceae Beggiatoa Thioploca Deltaproteobacteria - ...
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 is ...
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 ...
Marine prokaryotes
Large vacuoles are found in three genera of filamentous sulfur bacteria, the Thioploca, Beggiatoa and Thiomargarita. The ...
Optogenetics
... of the soil bacterium Beggiatoa". The Journal of Biological Chemistry. 286 (2): 1181-8. doi:10.1074/jbc.M110.185496. PMC ...
Photoactivated adenylyl cyclase
Small but potent PACs were identified in the genome of the bacteria Beggiatoa (bPAC) and Oscillatoria acuminata (OaPAC). As ... of the Soil Bacterium Beggiatoa". Journal of Biological Chemistry. 286 (2): 1181-1188. doi:10.1074/jbc.M110.185496. ISSN 0021- ...
Marine biogeochemical cycles
In modern oceans, Hydrogenovibrio crunogenus, Halothiobacillus, and Beggiatoa are primary sulfur oxidizing bacteria, and form ...
Pfisters Mühle
" ("Fäulnisbewohner"), and beggiatoa alba. The latter stems from "the outlets of the sugar factory" ("den Ausflüssen der ...
Sulfur cycle
... and Beggiatoa are primary sulfur oxidizing bacteria, and form chemosynthetic symbioses with animal hosts. The host provides ...
Gammaproteobacteria
... and the most important among them are Beggiatoa, Thioploca and Thiomargarita; besides, large amounts of hydrogen sulfide are ...
Winogradsky column
... and Beggiatoa, as well as many other species of bacteria, cyanobacteria, and algae. The column provides numerous gradients, ...
Beebe Hydrothermal Vent Field
Exposed rocks have shown filamentous bacteria and orange sediments around the field, where microorganisms such as Beggiatoa are ...
Timeline of Russian innovation
... and Beggiatoa, as well as many other species of bacteria, cyanobacteria, and algae. 1888s Three-phase electric power The three- ...
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 Eubacteria ...
2021 in paleontology
... bearing morphological and ecological similarities with large sulfide-oxidizing bacteria such as Beggiatoa, are described from ...
Sulfur
In the 1880s, while studying Beggiatoa (a bacterium living in a sulfur rich environment), Sergei Winogradsky found that it ...
Beggiatoa - Wikipedia
Beggiatoa is almost benthic, it can be found in marine (Beggiatoa sp. MS-81-6 and MS-81-1c) or freshwater (Beggiatoa alba) ... Two species of Beggiatoa have been formally described: the type species Beggiatoa alba and Beggiatoa leptomitoformis, the ... According to NCBI database only two species of Beggiatoa spp. have been validly published: Beggiatoa alba, and Beggiatoa ... Because of the lack of pure culture, little is known about the genetic of Beggiatoa. Beggiatoa alba show a GC content between ...
Beggiatoa leptomitoformis - Wikipedia
Parte, A.C. "Beggiatoa". LPSN. "Beggiatoa leptomitoformis". www.uniprot.org. Parker, Charles Thomas; Garrity, George M (2016). ... Beggiatoa leptomitoformis is a chemolithoautotrophic bacterium from the genus of Beggiatoa which has been isolated from ... Type strain of Beggiatoa leptomitoformis at BacDive - the Bacterial Diversity Metadatabase v t e. ... Dubinina, G; Savvichev, A; Orlova, M; Gavrish, E; Verbarg, S; Grabovich, M (February 2017). "Beggiatoa leptomitoformis sp. nov ...
View source for Beggiatoa - microbewiki
Beggiatoas sulfide oxidation]] All strains of freshwater Beggiatoa demonstrate the ability to grow heterotrophically in ... Beggiatoa alba ==Description and Significance== Beggiatoa is a genus of colorless, filamentous proteobacteria. With cells ... 4684/Microbes/Beggiatoa.htm Dudley, Michael. Beggiatoa. Biology Department, Virginia Polytechnic Institute and State ... Beggiatoa are found in polluted marine environments, and can be seen by the naked eye as a white filamentous mat on top of ...
Difference 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 ...
Physiological Adaptation of a Nitrate-Storing Beggiatoa sp. to Diel Cycling in a Phototrophic Hypersaline Mat | Applied and...
Beggiatoa distribution dynamics in intact mats.The total estimated Beggiatoa biomasses in the 0- to 10-mm depth zone for the ... Measurements of Beggiatoa internal nitrate and elemental sulfur concentrations.One Beggiatoa type, based on its morphological ... In an incubation experiment with an enriched Beggiatoa population for the determination of Beggiatoa nitrate storage potential ... Depth distribution of Beggiatoa filament densities and biomass determination.The vertical distribution of Beggiatoa filament ...
Elvert, M et al. (2003): Carbon isotopic composition of major fatty acids in the Beggiatoa covered sediment core
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. ...
Extremophiles Page 3
Phylogeny 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 ...
Top 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 ...
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Access our Resources | Page 6 | University of Maryland Center for Environmental Science
The IAN Image Library is provided completely cost and royalty free for any use, with attribution, except for redistribution or sales. Required Attribution: Author Name, Integration and Application Network, University of Maryland Center for Environmental Science. If you need to use our images without attribution, you can purchase non-attribution rights to many of our images by clicking the Add to Cart link once you are registered and logged in.. ...
Photosynthetic Pigments Contained in Surface Sediments from the Hydrothermal System of Guaymas Basin, Gulf of California
The area is covered by orange and white Beggiatoa spp. bacterial mats and Riftia colonies, indicating diffuse venting. In the ... B. B. Jørgensen, "Distribution of colorless sulfur bacteria (Beggiatoa spp.) in a coastal marine sediment," Marine Biology, vol ... they both shared similar Beggiatoa spp. substrate mats. The same occurred in cores 1 and 3 from Great Pagoda and Oil Town, ...
Using a Robust and Sensitive GFP-Based cGMP Sensor for Real-Time Imaging in Intact Caenorhabditis elegans | Genetics
Beggiatoa sp. photoactivated guanylyl cyclase) is a BLUF-domain photosensor that is coupled to a GC domain (Figure 2C). It ... of the soil bacterium Beggiatoa. J. Biol. Chem. 286: 1181-1188. doi:10.1074/jbc.M110.185496. ... originates from bPAC (Beggiatoa sp. photoactivated adenylyl cyclase) that was mutated to generate cGMP rather than cAMP (Ryu et ...
BACTERIAL EXTRACTS CULTURED IN THERMAL WATERS FOR TREATING SENSITIVE SKIN, MUCOUS MEMBRANES AND SCALPS - L'OREAL
Beggiatoa alba (ATCC 33555); Flexithrix dorotheae (ATCC 23163); Leucothrix mucor (ATCC 25107); or Sphaerotilus natans (ATCC ... the bacteria belonging to the order of the Beggiatoales and more particularly the bacteria belonging to the genera Beggiatoa, ... said non-photosynthetic and non-fruiting filamentous bacterium comprising those of the genera Beggiatoa, Vitreoscilla, ...
Frontiers | 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 ...
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Table 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 ...
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- ...
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. ...
Sulfur 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: ...
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Tropical dead zones and mass mortalities on coral reefs | PNAS
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Phylogeny of Dissimilatory Sulfite Reductases Supports an Early Origin of Sulfate Respiration | Journal of Bacteriology
Dense Populations of a Giant Sulfur Bacterium in Namibian Shelf Sediments | Science
2A) was similar to that ofThioploca off the Chilean coast (3). In contrast to the multicellular Thioploca and Beggiatoa, the ... Thioploca and and its close relative Beggiatoa were present, but only in low numbers. Instead, we discovered large populations ... Whereas motility is a fundamental prerequisite for the filamentous Thioplocaand Beggiatoa (14, 19),Thiomargarita appear unable ... In comparison, the largest known sulfur bacteria,Beggiatoa spp., found at hydrothermal vents in the Guaymas Basin, Gulf of ...
GenusThioplocaThiothrixSpeciesFilamentsGeneraAlbaSulfide-oxidizinBacteriumBPACChemolithoautotrophicStrainOxidationMatsLeptomitoformisHydrogen sulfidePutativeBacillusBacterialBiolSulphur bacteriaPhylogeneticMorphologicalBacteria oxidizeOxicRRNAOxidizePhylogenyMetabolismMarineOrganicLackPresentReleaseWater
Genus8
- Beggiatoa is a genus of Gammaproteobacteria belonging the order Thiotrichales, in the Proteobacteria phylum. (wikipedia.org)
- Beggiatoa leptomitoformis is a chemolithoautotrophic bacterium from the genus of Beggiatoa which has been isolated from wastewater from Moscow in Russia. (wikipedia.org)
- Thiotrichaceae ===Species:=== ''Beggiatoa alba'' ==Description and Significance== ''Beggiatoa'' is a genus of colorless, filamentous proteobacteria. (kenyon.edu)
- Beggiatoa is a genus of colorless, filamentous proteobacteria. (kenyon.edu)
- PolyP-accumulating microorganisms, like most members of the genus Beggiatoa, have the potential to store large amounts of polyP in response to environmental conditions ( 8 , 9 ). (asm.org)
- Beggiatoa is a genus of filamentous bacteria that form colorful, fuzzy mats around cold seeps. (deepseanews.com)
- Environmentally dominant members of the genus Beggiatoa and Thioploca spp. (asm.org)
- His doctoral dissertation focused on ecology, physiology, and the genetics of chemoautotrophic sulfur bacteria of the genus Beggiatoa . (marian.edu)
Thioploca13
- they were distinguished by the fact that numerous Thioploca filaments are contained within a common polysaccharide sheath, while Beggiatoa filaments occur singly. (asm.org)
- Vacuolate Beggiatoa or Thioploca spp. (asm.org)
- This vacuolate Beggiatoa-Thioploca cluster and a more distantly related freshwater Beggiatoa species cluster form a distinct phylogenetic group. (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)
- 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)
- Summary of properties of vacuolate Beggiatoa and Thioploca spp. (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)
- Thioploca and and its close relative Beggiatoa were present, but only in low numbers. (sciencemag.org)
- Thioploca and Beggiatoa are common types of sulfide-oxidizing bacteria that form thick mats in reducing environments. (noaa.gov)
- These microbial mats are dominated by large sulfur oxidizing filamentous Bacteria often affiliated (according to microscope observations) to Beggiatoa and Thioploca . (ifremer.fr)
- The morphology of the giant sulfur bacteria as they appear in the light microscope: (a) Beggiatoa , (b) Thioploca , (c) Thiothrix , (d) Thiomargarita , (e) Thiovulum , (f) Achromatium . (els.net)
- Carrion in the form of dead seal pups and algal mats placed on soft bottom habitats at Explorers Cove and Salmon Bay, McMurdo Sound, attract scavenging invertebrates that are driven away by hydrogen sulphide produced by sulphate-reducing bacteria sequestered below a layer of Beggiatoa/Thioploca-like filamentous bacteria. (ucsd.edu)
Thiothrix4
- Thiothrix I and II , Beggiatoa spp. (ny.gov)
- Soluble sulfides are oxidized to elemental sulfur, predominately by the bacteria Thiothrix niuea and Beggiatoa sp. (ufl.edu)
- Using 16S rDNA libraries, they showed that proteobacteria were again the predominant organisms, with most of the biomass represented by the sulfur inclusion-containing filamentous Beggiatoa and Thiothrix. (asmblog.org)
- Hydrogen sulfide also supports the growth of certain filamentous organisms such as thiothrix and beggiatoa, which are associated with bulking problems in activated sludge treatment. (h2o2.com)
Species11
- 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. (wikipedia.org)
- Species of Beggiatoa have cells up to 200 µ in diameter and they are one of the largest prokaryotes on Earth. (wikipedia.org)
- The Neo-type strain is the B18LB and it settled the criteria for identification of the freshwater species Beggiatoa alba. (wikipedia.org)
- According to NCBI database only two species of Beggiatoa spp. (wikipedia.org)
- With cells up to 200 microns in diameter, species of ''Beggiatoa'' are among the largest prokaryotes. (kenyon.edu)
- Equation for ''Beggiatoa'''s sulfide oxidation]] 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. (kenyon.edu)
- Organic Nutrition of Beggiatoa Species. (kenyon.edu)
- The preference for a niche where oxygen and sulfide co-occur has been shown for both marine and freshwater Beggiatoa species. (asm.org)
- The colors also correspond to different species of Beggiatoa bacteria - these species are constantly competing with each other, vying for space on the seafloor and access to nutrients . (deepseanews.com)
- Two new Beggiatoa species inhabiting marine mangrove sediments in the Caribbean. (jove.com)
- The proliferation of this single species in exclusive association with free-living, sulphide-oxidising bacteria (Beggiatoa) indicates that its dominance is strongly related to trophic specialisation, evidently uncommon among the meiofauna. (marinespecies.org)
Filaments2
- An important study about the genomic of Beggiatoa analyzed the sequences obtained from two single filaments of a vacuolated strain. (wikipedia.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)
Genera2
- The genera Beggiatoa is a quiet diverse group as it has representatives occupying several habitats and niches, both in fresh and salt water. (wikipedia.org)
- of the genera Beggiatoa and Thiobacillus, that have the ability to utilize sulfur or inorganic sulfur compounds as an energy source. (thefreedictionary.com)
Alba2
- have been validly published: Beggiatoa alba, and Beggiatoa leptomitoformis. (wikipedia.org)
- Beggiatoa alba show a GC content between 40 and 42.7 mol%, the presence of two or three similar plasmids and the genome size of Beggiatoa alba strain B18LD result to be about 3Megabase (Mb). (wikipedia.org)
Sulfide-oxidizin1
- At this point the giant sulfide-oxidizing bacteria Beggiatoa was visible on surface sediments. (biogeosciences.net)
Bacterium4
- The polyP-accumulating strain of the large sulfur bacterium Beggiatoa was used as a model organism. (asm.org)
- They identified a sequence in the genome of the bacterium Beggiatoa as likely encoding a protein with a light-sensing BLUF (blue light receptor using FAD) domain linked directly to a type III adenylyl cyclase. (sciencemag.org)
- A photoactivated adenylyl cyclase from the bacterium Beggiatoa represents a promising tool for optogenetic manipulation of cAMP. (sciencemag.org)
- Particularly attractive is PAC from the bacterium Beggiatoa spec. (uni-wuerzburg.de)
BPAC2
- When cloned into a cyclic adenosine monophosphate (cAMP)-deficient strain of Escherichia coli , the putative Beggiatoa photoactivated adenylyl cyclase (bPAC) rescued maltose metabolism, indicating that it was a functional adenylyl cyclase. (sciencemag.org)
- To that end, the PAC gene from Beggiatoa (bPAC) was delivered to β-cells. (readbyqxmd.com)
Chemolithoautotrophic2
- Optical mapping showed that the genome size was about 7.4Mb and the sequence analyses detected pathways for sulfur oxidation, nitrate and oxygen respiration, and CO2 fixation, confirming the chemolithoautotrophic physiology of Beggiatoa. (wikipedia.org)
- Kreutzmann, A.-C. and Schulz-Vogt, H. N. (2016): Oxidation of molecular hydrogen by a chemolithoautotrophic Beggiatoa Strain. (io-warnemuende.de)
Strain1
- 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)
Oxidation1
- Beggiatoa mats growing on the surface of the chemoherms oxidize the sulfide provided by sulfate-dependent anaerobic oxidation of methane within an oxic environment. (pangaea.de)
Mats4
- Ecology== ''Beggiatoa'' are evident in the marine environment as white filamentous mats on top of sulfide-rich sediments. (kenyon.edu)
- The aim of this study was to investigate the supposed vertical diel migration and the accompanying physiology of Beggiatoa bacteria from hypersaline microbial mats. (asm.org)
- 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. (asm.org)
- Beggiatoa mats on the sea floor around a Gulf of Mexico cold seep. (deepseanews.com)
Leptomitoformis2
- Nomenclature Abstract for Beggiatoa leptomitoformis Dubinina et al. (wikipedia.org)
- Beggiatoa leptomitoformis sp. (wikipedia.org)
Hydrogen sulfide1
- During his research in Anton de Bary's laboratory of botany in 1887, he found that Beggiatoa oxidized hydrogen sulfide (H2S) as energy source, forming intracellular sulfur droplets, oxygen is the terminal electron acceptor and CO2 is used as carbon source. (wikipedia.org)
Putative1
- Restriction fragment length polymorphism analysis of a clone library revealed a dominant clone, which gave rise to a putative Monterey Beggiatoa 16S rRNA sequence. (asm.org)
Bacillus2
- The field of bacteriology (later a subdiscipline of microbiology) was founded in the 19th century by Ferdinand Cohn, a botanist whose studies on algae and photosynthetic bacteria led him to describe several bacteria including Bacillus and Beggiatoa. (yahoo.com)
- The field of bacteriology (later a subdiscipline of microbiology) is generally considered to have been founded by Ferdinand Cohn (1828-1898), a botanist whose studies on algae and photosynthetic bacteria led him to describe several bacteria including Bacillus and Beggiatoa . (newworldencyclopedia.org)
Bacterial1
- The base of the food chain consists of filamentous, Beggiatoa-type Sulfur bacterial mat, together with other types of bacteria and associated protozoans. (gsi.gov.il)
Biol2
- References== [http://filebox.vt.edu/users/chagedor/biol_4684/Microbes/Beggiatoa.htm Dudley, Michael. (kenyon.edu)
- http://www-biol.paisley.ac.uk/bioref/Eubacteria/Beggiatoa.html Silverside, Alan J. ''Beggiatoa. (kenyon.edu)
Sulphur bacteria1
- The large sulphur bacteria Thiomargarita namibiensis and Beggiatoa spp. (diva-portal.org)
Phylogenetic2
Morphological1
- By the observation of their morphological characteristics, Beggiatoa spp. (wikipedia.org)
Bacteria oxidize1
- Our findings suggest that hypersaline Beggiatoa bacteria oxidize sulfide with oxygen under light conditions and with internally stored nitrate under dark conditions. (asm.org)
Oxic2
- The model was not able to simulate this TPO 4 source as release of iron-bound P (Fe-P) or organic P. As an alternative hypothesis, the TPO 4 peak was reproduced using new kinetic expressions that allow Beggiatoa to take up porewater TPO 4 and accumulate an intracellular P pool during periods with oxic bottom waters. (biogeosciences.net)
- The contact between Beggiatoa and the underlying microbial consortium represents the interface between the overlying oxic water column and an anoxic micro-environment where carbonate formation takes place. (pangaea.de)
RRNA1
- Cyanobacteria) for the morphology and motility characters, but 5S rRNA analysis showed that members of Beggiatoa are phylogenetically distant from Cyanobacteria being members of the Gammaproteobacteria phylum. (wikipedia.org)
Oxidize1
- The capability to oxidize sulfide and store sulfur are the main features which separates Beggiatoa bacteria from the closely related Vorticella. (wikipedia.org)
Phylogeny2
Metabolism1
- Sulfur Metabolism in ''Beggiatoa. (kenyon.edu)
Marine2
- Beggiatoa'' are found in polluted marine environments, and can be seen by the naked eye as a white filamentous mat on top of the water as a sign of environmental deterioration. (kenyon.edu)
- http://www.csc.noaa.gov/lcr/nyharbor/html/gallery/sgbeggia.html Marine Bacteria (''Beggiatoa ''spp. (kenyon.edu)
Organic1
- The TPO 4 added to the porewater over the year by organic P and Fe-P is recycled through Beggiatoa , meaning that no additional source of TPO 4 is needed to explain the TPO 4 peak. (biogeosciences.net)
Lack1
- Because of the lack of pure culture, little is known about the genetic of Beggiatoa. (wikipedia.org)
Present1
- 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. (asm.org)
Release1
- Modeling benthic-pelagic nutrient exchange processes and porewater distributions in a seasonally hypoxic sediment: evidence for massive phosphate release by Beggiatoa? (biogeosciences.net)
Water1
- Beggiatoa'' tend to prefer areas that are rich in hydrogen sulfate, including water that has been contaminated with sewage. (kenyon.edu)