Aphanizomenon: A form-genus of planktonic CYANOBACTERIA in the order Nostocales.Cylindrospermopsis: A form-genus of CYANOBACTERIA in the order Nostocales, characterized by thin trichomes, cylindrical akinetes, and terminal heterocysts.Anabaena: A genus of CYANOBACTERIA consisting of trichomes that are untapered with conspicuous constrictions at cross-walls. A firm individual sheath is absent, but a soft covering is often present. Many species are known worldwide as major components of freshwater PLANKTON and also of many saline lakes. The species ANABAENA FLOS-AQUAE is responsible for acute poisonings of various animals.Shellfish Poisoning: Poisoning from toxins present in bivalve mollusks that have been ingested. Four distinct types of shellfish poisoning are recognized based on the toxin involved.Cyanobacteria: A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. Cyanobacteria are the only known organisms capable of fixing both CARBON DIOXIDE (in the presence of light) and NITROGEN. Cell morphology can include nitrogen-fixing heterocysts and/or resting cells called akinetes. Formerly called blue-green algae, cyanobacteria were traditionally treated as ALGAE.Tropanes: N-methyl-8-azabicyclo[3.2.1]octanes best known for the ones found in PLANTS.Phytoplankton: Free-floating minute organisms that are photosynthetic. The term is non-taxonomic and refers to a lifestyle (energy utilization and motility), rather than a particular type of organism. Most, but not all, are unicellular algae. Important groups include DIATOMS; DINOFLAGELLATES; CYANOBACTERIA; CHLOROPHYTA; HAPTOPHYTA; CRYPTOMONADS; and silicoflagellates.Eutrophication: The enrichment of a terrestrial or aquatic ECOSYSTEM by the addition of nutrients, especially nitrogen and phosphorus, that results in a superabundant growth of plants, ALGAE, or other primary producers. It can be a natural process or result from human activity such as agriculture runoff or sewage pollution. In aquatic ecosystems, an increase in the algae population is termed an algal bloom.Marine Toxins: Toxic or poisonous substances elaborated by marine flora or fauna. They include also specific, characterized poisons or toxins for which there is no more specific heading, like those from poisonous FISHES.Nostoc: A form-genus of CYANOBACTERIA in the order Nostocales. Trichomes composed of spherical or ovoid vegetative cells along with heterocysts and akinetes. The species form symbiotic associations with a wide range of eukaryotes.Saxitoxin: A compound that contains a reduced purine ring system but is not biosynthetically related to the purine alkaloids. It is a poison found in certain edible mollusks at certain times; elaborated by GONYAULAX and consumed by mollusks, fishes, etc. without ill effects. It is neurotoxic and causes RESPIRATORY PARALYSIS and other effects in MAMMALS, known as paralytic SHELLFISH poisoning.Microcystins: Cyclic heptapeptides found in MICROCYSTIS and other CYANOBACTERIA. Hepatotoxic and carcinogenic effects have been noted. They are sometimes called cyanotoxins, which should not be confused with chemicals containing a cyano group (CN) which are toxic.UracilFresh Water: Water containing no significant amounts of salts, such as water from RIVERS and LAKES.Plankton: Community of tiny aquatic PLANTS and ANIMALS, and photosynthetic BACTERIA, that are either free-floating or suspended in the water, with little or no power of locomotion. They are divided into PHYTOPLANKTON and ZOOPLANKTON.DNA, Ribosomal Spacer: The intergenic DNA segments that are between the ribosomal RNA genes (internal transcribed spacers) and between the tandemly repeated units of rDNA (external transcribed spacers and nontranscribed spacers).Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.DNA, Bacterial: Deoxyribonucleic acid that makes up the genetic material of bacteria.Guanidinoacetate N-Methyltransferase: This enzyme catalyzes the last step of CREATINE biosynthesis by catalyzing the METHYLATION of guanidinoacetate to CREATINE.Amidinotransferases: Enzymes of a subclass of TRANSFERASES that catalyze the transfer of an amidino group from donor to acceptor. EC 2.1.4.Arginine: An essential amino acid that is physiologically active in the L-form.Oscillatoria: A genus of filamentous CYANOBACTERIA in the order Oscillatoriales. It is commonly found in freshwater environments, especially hot springs.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Amphibian Proteins: Proteins obtained from species in the class of AMPHIBIANS.Harmful Algal Bloom: An algal bloom where the algae produce powerful toxins that can kill fish, birds, and mammals, and ultimately cause illness in humans. The harmful bloom can also cause oxygen depletion in the water due to the death and decomposition of non-toxic algae species.Dinoflagellida: Flagellate EUKARYOTES, found mainly in the oceans. They are characterized by the presence of transverse and longitudinal flagella which propel the organisms in a rotating manner through the water. Dinoflagellida were formerly members of the class Phytomastigophorea under the old five kingdom paradigm.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Spirulina: A genus of filamentous CYANOBACTERIA found in most lakes and ponds. It has been used as a nutritional supplement particularly due to its high protein content.Gastrointestinal Diseases: Diseases in any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM.OregonMicrocystis: A form-genus of CYANOBACTERIA in the order Chroococcales. Many species are planktonic and possess gas vacuoles.Dietary Supplements: Products in capsule, tablet or liquid form that provide dietary ingredients, and that are intended to be taken by mouth to increase the intake of nutrients. Dietary supplements can include macronutrients, such as proteins, carbohydrates, and fats; and/or MICRONUTRIENTS, such as VITAMINS; MINERALS; and PHYTOCHEMICALS.Recreation: Activity engaged in for pleasure.Lakes: Inland bodies of still or slowly moving FRESH WATER or salt water, larger than a pond, and supplied by RIVERS and streams.PortugalSwimming PoolsHealth ResortsAbbreviations as Topic: Shortened forms of written words or phrases used for brevity.Disease Outbreaks: Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS.Legionellosis: Infections with bacteria of the genus LEGIONELLA.Population Surveillance: Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy.Physician-Patient Relations: The interactions between physician and patient.Physicians: Individuals licensed to practice medicine.Empathy: An individual's objective and insightful awareness of the feelings and behavior of another person. It should be distinguished from sympathy, which is usually nonobjective and noncritical. It includes caring, which is the demonstration of an awareness of and a concern for the good of others. (From Bioethics Thesaurus, 1992)Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Health Personnel: Men and women working in the provision of health services, whether as individual practitioners or employees of health institutions and programs, whether or not professionally trained, and whether or not subject to public regulation. (From A Discursive Dictionary of Health Care, 1976)Attitude of Health Personnel: Attitudes of personnel toward their patients, other professionals, toward the medical care system, etc.United StatesIdahoHealth Occupations: Professions or other business activities directed to the cure and prevention of disease. For occupations of medical personnel who are not physicians but who are working in the fields of medical technology, physical therapy, etc., ALLIED HEALTH OCCUPATIONS is available.Students: Individuals enrolled in a school or formal educational program.Research: Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)Architecture as Topic: The art and science of designing buildings and structures. More generally, it is the design of the total built environment, including town planning, urban design, and landscape architecture.OhioMetabolism: The chemical reactions that occur within the cells, tissues, or an organism. These processes include both the biosynthesis (ANABOLISM) and the breakdown (CATABOLISM) of organic materials utilized by the living organism.

Phylogenetic and morphological evaluation of the genera Anabaena, Aphanizomenon, Trichormus and Nostoc (Nostocales, Cyanobacteria). (1/17)

The heterocytous cyanobacteria form a monophyletic group according to 16S rRNA gene sequence data. Within this group, phylogenetic and morphological studies have shown that genera such as Anabaena and Aphanizomenon are intermixed. Moreover, the phylogeny of the genus Trichormus, which was recently separated from Anabaena, has not been investigated. The aim was to study the taxonomy of the genera Anabaena, Aphanizomenon, Nostoc and Trichormus belonging to the family Nostocaceae (subsection IV.I) by morphological and phylogenetic analyses of 16S rRNA gene, rpoB and rbcLX sequences. New strains were isolated to avoid identification problems caused by morphological changes of strains during cultivation. Morphological and phylogenetic data showed that benthic and planktic Anabaena strains were intermixed. In addition, the present study confirmed that Anabaena and Aphanizomenon strains were not monophyletic, as previously demonstrated. The evolutionary distances between the strains indicated that the planktic Anabaena and Aphanizomenon strains as well as five benthic Anabaena strains in cluster 1 could be assigned to a single genus. On the basis of the 16S rRNA, rpoB and rbcLX gene sequences, the Anabaena/Aphanizomenon strains (cluster 1) were divided into nine supported subclusters which could also be separated morphologically, and which therefore might represent different species. Trichormus strains were morphologically and phylogenetically heterogeneous and did not form a monophyletic cluster. These Trichormus strains, which were representatives of three distinct species, might actually belong to three genera according to the evolutionary distances. Nostoc strains were also heterogeneous and seemed to form a monophyletic cluster, which may contain more than one genus. It was found that certain morphological features were stable and could be used to separate different phylogenetic clusters. For example, the width and the length of akinetes were useful features for classification of the Anabaena/Aphanizomenon strains in cluster 1. This morphological and phylogenetic study with fresh isolates showed that the current classification of these anabaenoid genera needs to be revised.  (+info)

Occurrence of toxin-producing cyanobacteria blooms in a Brazilian semiarid reservoir. (2/17)

We report the occurrence of cyanobacterial blooms and the presence of cyanotoxins in water samples from the Armando Ribeiro Goncalves reservoir (06 degrees 08 S and 37 degrees 07 W), located in the state of Rio Grande do Norte, in the semiarid region of northeastern Brazil. The cyanobacterial species were identified and quantified during the rainy and dry seasons in the year 2000. Cyanotoxins such as microcystins, saxitoxins and cylindrospermopsins were analyzed and quantified using HPLC and ELISA methods. The mixed toxic blooms of Cylindrospermopsis raciborskii, Microcystis spp (M. panniformis, M. protocystis, M. novacekii) and Aphanizomenon spp (Aphanizomenon gracile, A. cf. manguinii, A. cf. issastschenkoi) were persistent and represented 90-100% of the total phytoplankton species. Toxic cyanobacterial blooms from the Armando Ribeiro Goncalves reservoir were analyzed and found to have three phases in relation to the annual cycle. During the rainy season, an intense toxic bloom of Cylindrospermopsis raciborskii was recorded along with saxitoxins (3.14 microg.L(-1)). During the transition period, between the rainy and dry seasons, different species of Microscytis occurred and microcystin as high as 8.8 microg.L(-1) was recorded. In the dry season, co-dominance of Cylindrospermopsis raciborskii, Microcystis spp and Aphanizomenon spp occurred and the concentrations of saxitoxin remained very low. Our results indicate the presence of microcystins (8.8 microg.L(-1)) and saxitoxins (3.14 microg.L(-1)) into the crude water, with increasing concentrations from the second fortnight of April to late May 2000. The occurrence of toxic blooms in this reservoir points to a permanent risk of cyanotoxins in supply waters, indicating the need for the implementation of bloom control measures to improve the water quality. Exposure of the local population to cyanotoxins through their potential accumulation in fish muscle must also be considered.  (+info)

A novel biosurfactant, 2-acyloxyethylphosphonate, isolated from waterblooms of Aphanizomenon flos-aquae. (3/17)

A novel biosurfactant, 2-acyloxyethylphosphonate, was isolated from waterblooms of Aphanizomenon flos-aquae. Its structure was elucidated by chemical degradation and HRFABMS, GC/EI-MS and 1D- and 2D-NMR spectral analyses. The surfactant contained one mole of 2-hydroxyethylphosphonate and one mole of fatty acid, with hexadecanoic acid accounting for 84.1% of the total fatty acid content. The structure was confirmed by synthesis of 2-oleoyloxyethylphosphonate from ethylene oxide, phosphorus acid and oleic acid chloride. Considering the isolated surfactant molecule as hexadecanoyloxyethylphosphonic acid (mw. 364), the critical micelle concentration (CMC) was about 22 mM.  (+info)

Toxicity of cylindrospermopsin, and other apparent metabolites from Cylindrospermopsis raciborskii and Aphanizomenon ovalisporum, to the zebrafish (Danio rerio) embryo. (4/17)

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Characterisation of the paralytic shellfish toxin biosynthesis gene clusters in Anabaena circinalis AWQC131C and Aphanizomenon sp. NH-5. (5/17)

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Inhibition of gap-junctional intercellular communication and activation of mitogen-activated protein kinases by cyanobacterial extracts--indications of novel tumor-promoting cyanotoxins? (6/17)

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Paralytic shellfish poisoning toxin-producing cyanobacterium Aphanizomenon gracile in northeast Germany. (7/17)

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The cylindrospermopsin gene cluster of Aphanizomenon sp. strain 10E6: organization and recombination. (8/17)

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Arginine (Arg) and glycine (Gly) seem to be the only substrates accepted by the amidinotransferase that catalyze the first step of the synthesis pathway of the cyanotoxin cylindrospermopsin (CYN), leading to guanidinoacetate (GAA). Here, the effect of these amino acids on the production of CYN in cultures of the cylindrospermopsin-producing strain, Aphanizomenon ovalisporum UAM-MAO, has been studied. Arg clearly increased CYN content, the increment appearing triphasic along the culture. On the contrary, Gly caused a decrease of CYN, observable from the first day on. Interestingly, the transcript of the gene ntcA, key in nitrogen metabolism control, was also enhanced in the presence of Arg and/or Gly, the trend of the transcript oscillations being like that of aoa/cyr. The inhibitory effect of Gly in CYN production seems not to result from diminishing the activity of genes considered involved in CYN synthesis, since Gly, as Arg, enhance the transcription of genes aoaA-C and cyrJ. On the other hand,
Arginine (Arg) and glycine (Gly) seem to be the only substrates accepted by the amidinotransferase that catalyze the first step of the synthesis pathway of the cyanotoxin cylindrospermopsin (CYN), leading to guanidinoacetate (GAA). Here, the effect of these amino acids on the production of CYN in cultures of the cylindrospermopsin-producing strain, Aphanizomenon ovalisporum UAM-MAO, has been studied. Arg clearly increased CYN content, the increment appearing triphasic along the culture. On the contrary, Gly caused a decrease of CYN, observable from the first day on. Interestingly, the transcript of the gene ntcA, key in nitrogen metabolism control, was also enhanced in the presence of Arg and/or Gly, the trend of the transcript oscillations being like that of aoa/cyr. The inhibitory effect of Gly in CYN production seems not to result from diminishing the activity of genes considered involved in CYN synthesis, since Gly, as Arg, enhance the transcription of genes aoaA-C and cyrJ. On the other hand,
E3 AFA Powder (Blue-Green Algae) 50 g. Dietary Supplement. E3 AFA Powder (Blue-Green Algae) 50 g is a premium blue-green algae dried after harvest in a window refractive dryer preserving the integrity of the algae. E3 AFA is 100% pure Aphanizomenon flos-aquae (AFA), one of natures most perfect foods.* This unique blue-green algae grows wild in the spring-fed pristine waters of Upper Klamath Lake, Oregon. It is also dried using a process unique to Klamath Lake called Window Refractance Drying. It removes water gently preserving the nutritional qualities of the algae. Vision is one of the only companies that produces this high quality algae.*. INGREDIENTS: Aphanizomenon-flos aquae (AFA). SUPPLEMENT FACTS: Serving Size 1 tsp, Servings per container 25, Amounts per serving protein 1920 mg, Vitamin K 80 mcg, AFA 2 g. Daily Values (DV) based on a 2,000 calorie diet. Store in cool dry place. Do not use if seal is broken.. Recommended Use: Adult as dietary supplement as recommended by a healthcare ...
Freshen breath and strengthen your teeth, without harsh abrasives or irritating chemicals. Sea Fresh® all mouthwash features Blue Green Algae (Aphanizomenon Flos-Aquae), rich in Calcium, proteins and antioxidants, to strengthen your teeth and gums. Potent Spearmint Oil keeps your breath fresh and clean. Grapefruit Seed
As a heath-food trend, its easy to be confused by blue-green algae (BGA). Not only does it sound gross, but googling it produces news reports of local officials at war with the toxic pond scum it can create.. Yet, many swear by BGAs energy-boosting properties. In health-food circles, BGA usually refers to spirulina, chlorella, or - the hippest algae - Aphanizomenon Flos-aquae (AFA). Still, some BGAs can be toxic, so nutritionists recommend proceeding with caution.. The strain that appears in E3Live was discovered in the 1970s by Victor Colman, who as legend has it, was looking for a way to feed NASA scientists. In the 1990s, it became a popular racehorse supplement after Tamera Campbell, now CEO of the E3Live company began selling it to trainers for their Kentucky Derby-bound thoroughbreds.. Now E3Live is sold in powder, capsule, or frozen form at health-food stores and on Amazon. According to Campbell, the company uses a mechanical filtration system and meets all standards set by the Oregon ...
Though Stemtech got its start less than a decade ago, botanical researcher and neurophysiologist Christian Drapeau, MSc, began researching the science the company is founded on during the 1990s. Having learned of the health benefits people experienced when eating nutrient-rich algae known as Aphanizomenon flos-aquae (AFA), Drapeau and fellow scientist Dr. Gitte Jensen began examining how AFA supports health. In their research, Drapeau and Jensen discovered that AFA supports the bodys release of adult stem cells. Soon Drapeau developed a nutritional product based on these findings.. Around the same time, Ray C. Carter Jr. took a position with a direct selling company. He was brought on to increase the companys U.S. market and then take over as president. With a bachelors and MBA under his belt, Carter also had decades of industry experience in direct sales and marketing. He understood the business from the distributor side, having built a successful organization with a telephone reseller as ...
A short list (with links! - as well as the first to mention the new audio feature which will officially turn some of the blogs into podcasts! click on the lil speaker icon at the lower right of select posts to listen.). VitamineralGreen - Living on this immaculate green stuff daily, 4 years strong. If theres one food product I believe in, a nutrient supply I cant live without, Its this.. E3 Live and Camu Camu. I swear in studio I was tripping half the time and if it wasnt due to the long hours of intense creation in a controlled environment, it was likely due to the shots of E3 Live and the cap-fulls of Camu Camu. E3 Live is 100% Aphanizomenon flos-aquae blue-green algae (AFA for short) that is an all-organic wild-harvested aqua-botanical considered by renowned health authorities to be natures most beneficial superfoodalgae. Say that 5 xs fast.. Kittens. Kittens on YouTube. Birthday Cards with Kittens on them. It doesnt matter. Kittens win me over every time. They always have. In ...
BrainON is a super concentrated organic E3AFA (Aphanizomenon flos-aquae) extract of Phycocyanin and Phenylethylamine (PEA). BrainON contains the active ingredient in wild-harvested AFA that may help promote mood balance and enhanced focus*. PEA (also found in chocolate) is a naturally occurring extract that may promote clear thinking and focus to give you optimal cognitive function. Phycocyanin is a powerful antioxidant and natural anti-inflammatory.
Di samping mendukung system peremajaan alami, peningkatan jumlah stem cell tersebut juga masih dalam kisaran fisiologis normal tubuh dan tidak beresiko terhadap tubuh. AFA juga diketahui merangsang aktivitas makrofage yang merupakan benteng pertahanan awal tubuh manusia, dengan polisakarida mendukungan aktivasi sel limposit tertentu yang disebut NK (Natural Killer) cell. Sehingga membantu tubuh meningkatkan imunitas tubuh. Aphanizomenon flos-aquae (AFA) mengandung 3 sampai 5x lebih banyak kandungan Klorofil dibandingkan dengan berbagai makanan alami lainnya. Selain itu kandungan gizi pada alga biru - hijau ini sangat berlimpah dan lengkap serta memiliki fungsi yang saling melengkapi untuk kebutuhan tubuh manusia ...
Americas food supply is highly refined, processed, genetically altered and nutrient deficient. All of these factors negatively affect our bodies over time. It is very difficult to eat and stay healthy on the typical American diet. Over production of our farmlands have depleted the soils, causing our foods to be nutrient deficient. Most of the major degenerative diseases are largely caused by poor diet and unhealthy foods. Dr. Stanley S. Bass, N.D., D.C., Ph.C. says, "The closer the food comes to the natural state in which it occurs, or the closer we come to its raw, unfired form, the higher its quality is." In this condition, all the enzymes are found intact. The amino acids are in their finest form. The minerals, vitamins, trace elements, carbohydrates and life force are present.. Aphanizomenon flos-aquae is natures most basic food. It exists at the beginning of the food chain, provides perfect nutrition and contains more protein than other whole foods. This super nutrition provides rich ...
Europeans are worried about a possible continent-wide bird flu epidemic after a wild duck tested positive for the H5N8 virus in northeast Germany.
Cylindrospermopsis raciborskii is a freshwater cyanobacterium. This bacterium is an aquatic photosynthetic bacteria belonging to the phylum Cyanobacteria. They are composed of chained filaments known as trichomes that can show variation in morphology, varying from about 50-300 micrometers in length. These bacteria can also produce a thick walled, cylindrical, spore like structure known as akinetes, which also demonstrate variation in morphology. Some strains of this species are able to produce several toxins which affect humans: cylindrospermopsin, anatoxin-a and saxitoxin. This first toxin, cylindrospermopsin, has the ability to affect the liver and kidneys in humans as well as cause mild skin reactions upon exposure. The last two toxins, anatoxin-a and saxitoxin, are thought to be shellfish neurotoxins. Research has shown that C. raciborskii can naturally produce butylated hydroxytoluene, an antioxidant, food additive, and industrial chemical. Domain - Bacteria The Tree of Life contains three ...
Akinetes are the dormant cells of Nostocales (cyanobacteria) that enable the organisms to survive harsh environmental conditions while resting in bottom sediments. The germination of akinetes assists the dispersal and persistence of the species. The assessment of the akinete pool in lake sediments is essential to predict the bloom formation of the Nostocales population. We present here the implementation of an improved catalysed reporter deposition (CARD)-fluorescence in situ hybridization (FISH) protocol to assist the identification and quantification of akinetes in sediment samples. Several 16S rRNA gene oligonucleotide probes were evaluated for labelling akinetes of various species of Anabaena, Aphanizomenon and Cylindrospermopsis. Akinetes of all the taxa studied were successfully labelled and could be easily detected by their bright fluorescence signal. The probes specificity was tested with 32 strains of different taxa. All six Cylindrospermopsis raciborskii strains were labelled with a ...
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Spirulina tablets 500 x 400mg 100% GMO Free detox diet weight loss cleanse,cyanobacterium,dietary supplement, aquaculture, aquarium,poultry industries,Algas Verdiazul, Algues Bleu-Vert,Anabaena, Aphanizomenon flos-aquae,dietary protein, B-vitamins,attenti
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CLICK HERE TO SHOW TABLE OF CONTENTS 5-HTP 7-Keto-DHEA A Vitamin A Acai Adaptogens AFA, Aphanizomenon Flos-Aquae Almond Aloe Vera Alpha-Galactosidase Alpha Linolenic Acid Alpha Lipoic Acid Amino Acids Amylase Anise Anthocyanins Antioxidants Apple Cider Vinegar Apple Pectin Arabinogalactan Arnica Artemisia Ascorbic Acid Ashwagandha Asian Ginseng Astaxanthin Astragalus B Vitamin B1 Vitamin B2 Vitamin B3 … *. *Results May VaryContinue reading. ...
In the Himmerfjärden Bay a large excess of nitrogen over phosphorus in the discharge from a large sewage treatment plant (STP) has suppressed growth of diazotrophic cyanobacteria in its inner parts. Implementation of nitrogen removal in the STP in 1997 drastically reduced nitrogen load and triggered growth of diazotrophs, mainly Aphanizomenon sp. This study is part of a long-term series of experiments with the overall aim to test how algal biomass and production in a receiving area can be reduced, without stimulating nitrogen fixation and biomass growth by diazotrophic cyanobacteria. Nitrogen removal was discontinued in the STP during two years (2007-8) and resumed in 2009, and the discharge shifted from 25 to 10 m depth, above the seasonal pycnocline. Cellular 15N showed that N2 was the most important N source for diazotrophic cyanobacteria, and that uptake of combined nitrogen was insignificant. As biomass was declining and at the end of the productive season, we could detect a small, but ...
RESCHEDULED FROM 8/15/17 The increase of cyanobacteria blooms and associated metabolite release (taste and odor-causing compounds and cyanotoxins) are causing numerous problems for water treatment plants in terms of maintaining treatment performance, managing disinfection by-products (DBPs), and dealing with the potential presence of the cyanotoxins themselves. The EPA issued health advisories in June 2015 for two cyanotoxins (microcystins and cylindrospermopsin) and utilities have been struggling with how to manage bloom events and optimize treatment to remove cyanotoxins. This webcast will highlight the effectiveness of conventional and advanced treatment processes for managing intracellular and extracellular cyanotoxins while minimizing unintended consequences. In addition, a summary of the Hazen-Adams CyanoTOX model v.2.0 will be presented. Case studies will be used to illustrate how the model worked at various utilities and will be used to provide a basis for evaluating treatment options. ...
Berlin is located in northeast Germany, in the central part of the state of Brandenburg, which borders Poland. Its latitude is 52° 31` 12`` N, and its longitude is 13° 24` 36``...
There are two main strategies for the preparation of enantiopure compounds. The first is known as chiral resolution. This method involves preparing the compound in racemic form, and separating it into its isomers. In his pioneering work, Louis Pasteur was able to isolate the isomers of tartaric acid because they crystallize from solution as crystals each with a different symmetry. A less common method is by enantiomer self-disproportionation.. The second strategy is asymmetric synthesis: the use of various techniques to prepare the desired compound in high enantiomeric excess. Techniques encompassed include the use of chiral starting materials (chiral pool synthesis), the use of chiral auxiliaries and chiral catalysts, and the application of asymmetric induction. The use of enzymes (biocatalysis) may also produce the desired compound.. Enantioconvergent synthesis is the synthesis of one enantiomer from a racemic precursor molecule utilizing both enantiomers. Thus, the two enantiomers of the ...
December 2018. In This Edition Articles - Determination of heroin in street drug samples with printable surface enhanced Raman scattering (P-SERS) - Advances in Protein Sample Preparation: Centrifugation i.... ...
today i slept most of the day away..then at nite steph asks me to go out AGAIN..... so i sms rick cyn n manda...it was 10pm areadi. waitin for their reply... cyn calls to tell me she is goin out wit manda n her sis,her cuzns n her own bro. so i tot id rather go wit cyn they all, than jus me n steph.then i waited for ricks reply but received mandas... she was like (not today la,mebe another day..u enjoy urself la.) my blood boiled afta seeing tat.i felt like soo betrayed cuz i areadi knew she was goin out wit cyn n her family but she acts like shes bz with sumtin n tryin to hide tat she goin out wit them. its not as if im not close to them..im areadi frens wit all of them except for cyns bro .so i wanted a hailstorm to fall on manda rite then.then i called cyn to say im goin wit her afta tokin myself out of stephs outing cuz two ppl is jus too little.she said she was areadi eating wit them,then she say (shall i ask if u can come) but i was like.y cant i come?its like automatic la.rachel then ...
Lake Thunderbird Algae Study 2003 Final Report Lake Thunderbird Algae 2003 for the Central Oklahoma Master Conservancy District May 2004 Final Report Oklahoma Water Resources Board 3800 North Classen Boulevard Oklahoma City, OK 73118 Oklahoma Water Resources Board LAKE THUNDERBIRD ALGAE STUDY FINAL REPORT 2 Executive Summary Algae have long been known to cause water quality problems in many municipal water systems. From the available data, Lake Thunderbird contains algae with the potential to produce taste and odor (T&O) and toxin chemicals (Table 0.1). Table 0.1: Summary of potential taste and odor and toxin producing species identified in Lake Thunderbird in 2003. Species Division Potential T&O Potential Toxin Anabaena bergeii v. limnetica Cyanophyta X X Anabaena flos-aquae Cyanophyta X X Anabaena spiroides Cyanophyta X X Anabaenopsis elenkinii** Cyanophyta X Aphanizomenon issatschenkoi Cyanophyta X X Cylindrospermopsis raciborskii Cyanophyta X Planktolyngbya contorta (Lyngbya lagerheimii f. ...
Lake Thunderbird Algae Study 2003 Final Report Lake Thunderbird Algae 2003 for the Central Oklahoma Master Conservancy District May 2004 Final Report Oklahoma Water Resources Board 3800 North Classen Boulevard Oklahoma City, OK 73118 Oklahoma Water Resources Board LAKE THUNDERBIRD ALGAE STUDY FINAL REPORT 2 Executive Summary Algae have long been known to cause water quality problems in many municipal water systems. From the available data, Lake Thunderbird contains algae with the potential to produce taste and odor (T&O) and toxin chemicals (Table 0.1). Table 0.1: Summary of potential taste and odor and toxin producing species identified in Lake Thunderbird in 2003. Species Division Potential T&O Potential Toxin Anabaena bergeii v. limnetica Cyanophyta X X Anabaena flos-aquae Cyanophyta X X Anabaena spiroides Cyanophyta X X Anabaenopsis elenkinii** Cyanophyta X Aphanizomenon issatschenkoi Cyanophyta X X Cylindrospermopsis raciborskii Cyanophyta X Planktolyngbya contorta (Lyngbya lagerheimii f. ...
Definitely Chlorella Quecksilber Studien Cherifer Factor Growth worth the money!! Monsantos GMO might soon be banned in India. chlorella and multiple sclerosis spirulina benefits mercola I am an average size female and the "regular size" fits me really well.. It helps fade freckleslightens and even skin toneand improve clarity. 100% Pure Yaeyama Chlorella with Broken Cell Wall. Chlorella Tablets 500 mg by Sun Chlorella Products - 120 Tablets Our bodies are exposed to and Media Cleanse & Detox Clearance Items Energy and Mood Eye & Vision Health For The Home Dadurch ist mikronisierte Chlorella optimal zum Entgiften und nimmt bei der Entgiftung eine Sonderstellung ein.. Costco-Townsend Farms Hepatitis A Outeak Grows Lawsuits Filed. chlorella dose diaria spirulina hofigal forum INGREDIENTI: Alga Spirulina (Spirulina platensis) polvere Alga Klamath (Aphanizomenon See More. But should it leave the Subscription I cannot buy it at the market. When people think that scientists havent thought of some ...
Sampling. DEQ Focus The DEQ collects samples from waterbodies to determine cyanobacteria or cyanotoxins exposure risks. Initial sampling of cell counts using the ELISA method is commonly conducted through the open water recreation season.. UDAF Focus. Once elevated cell counts have been identified through testing; or reports of concerns have been received, UDAF will sample for cyanotoxins and provide data related to water used for agricultural purposes. UDAF will focus on livestock watering sources and the distribution of irrigation water.. Procedures When deciding how to determine sampling procedures, we need to understand the agricultural risks. In a lake, reservoir, or stock pond cattle may have access to the shoreline or the entire water profile if the waterbody is shallow. Rivers, streams, and canals are also often used as livestock drinking water sources.. What are we sampling for? Cyanotoxins. Where are we sampling? When concerns of cyanotoxins have been identified an evaluation will be ...
Determination of optimum coagulant and coagulant aid doses for treatment of drinking water and wastewater sources by sedimentation or dissolved air flotation-filtration (DAFF) for removal of turbidity, colour, dissolved organic carbon (DOC) or algal cells and to determine idealised floc structure and improved filtration performance ...
Creadur gyda dim ond un gell yw organeb ungellog. Mae bacteria yn organeb ungellol. Credir mai dymar math hynaf o fywyd ar wyneb y Ddaear, gydar protogell yn ffurfio rhwng 3.8 a 4 biliwn cyn y presennol (CP).[1][2] Gelwir creaduriaid gyda mwy nag un gell yn Organebau amlgellog. Y prif grwpiau o organebau ungellog yw: bacteria, archaea, protosoa, algae ungellog a ffwngi ungellog. Gellir eu dosbarthun ddau gategori: organebau procaryotig ac eucaryotig. ...
The freshwater cyanobacterium Microcystis is a nuisance species. It forms large blooms on the water surface and overwhelmingly dominates the ecosystem through the formation of colonies from single cells surrounded by mucilage; however, the mechanism of colony formation is poorly understood. Two mechanisms of Microcystis colony formation have been proposed: cell-division, where cells remain attached after binary fission; and cell-adhesion, where single cells stick together. This paper examined the published literature on Microcystis colony formation to clarify the mechanism of colony formation and its relationship to environmental drivers. This meta-analysis showed that in laboratory experiments, colony formation by cell-division was mainly induced by zooplankton filtrate, high Pb2+ concentrations, the presence of the cyanobacterium Cylindrospermopsis raciborskii, heterotrophic bacteria, and low temperature and low light intensities. Alternatively, colony formation by cell-adhesion was mainly ...
Archaeologists have recovered 31 unique objects that they suspect belonged to a Bronze Age warrior killed on a battle site in northeast Germany.
69. Hai-Dong Xia,+ Zhong-Liang Li,+ Qiang-Shuai Gu,+ Xiao-Yang Dong,+ Jia-Heng Fang, Xuan-Yi Du, Li-Lei Wang, and Xin-Yuan Liu* "Photoinduced Copper-Catalyzed Asymmetric Decarboxylative Alkynylation with Terminal Alkynes" Angew. Chem. Int. Ed. 2020, doi: 10.1002/anie.202006317. 68. Chang-Jiang Yang+, Chi Zhang+, Qiang-Shuai Gu+ , Jia-Heng Fang, Xiao-Long Su, Liu Ye, Yan Sun, Yu Tian, Zhong-Liang Li and Xin-Yuan Liu* "Cu-catalysed intramolecular radical enantioconvergent tertiary β-C(sp3)-H amination of racemic ketones" Nature Catalysis 2020 doi: 10.1038/s41929-020-0460-y. 67. Yong-Feng Cheng+, Ji-Ren Liu+, Qiang-Shuai Gu+, Zhang-Long Yu+, Jian Wang, Zhong-Liang Li, Jun-Qian Bian, Han-Tao Wen, Xiao-Jing Wang, Xin Hong* & Xin-Yuan Liu* "Catalytic enantioselective desymmetrizing functionalization of alkyl radicals via Cu(I)/CPA cooperative catalysis" Nature Catalysis 2020, 3, 401 66. Xiao-Yang Dong+, Jiang-Tao Cheng+, Yu-Feng Zhang+, Zhong-Liang Li+, Tian-Ya Zhan, Ji-Jun Chen, FuLi Wang, Ning-Yuan ...
center>,big>,big>,big>Cyanobacteria - "Blue-Green Algae",/big>,/big>,/big>,/center> ,br> [[Image:Anabaena sperica.jpg,thumb,200px,center,Anabaena sperica, a filamentous cyanobacterium ([[Phycobacteria]], [[Nostocales]], [[Nostocaceae]])]] ,br> ,table border="1" cellpadding="3" cellspacing="1" width="100%" > ,tr>,th bgcolor="#CCCCCC" colspan="2">Cyanobacteria,/th>,/tr> ,tr> ,td align="center" width="200" valign="top" >Linnaean Hierarchy,/td> ,td align="center" width="400" valign="top" >Local Cladogram,/td> ,/tr> ,tr> ,td align="justify" valign="top" > [[Domain]]: [[Eubacteria]],br> [[Division]]: Cyanobacteria,br> [[Order]]s: * [[Chroococcales]] * [[Prochlorales]] * [[Pleurocapsales]] * [[Oscillatoriales]] * [[Nostocales]] * [[Stigonematales]] ,/td> ,td align="justify" valign="top"> [[LUCA]] ,--[[Eubacteria]] (note) , ,--[[Clostridea]] , `--[[Cyanobacteria]] , see [[#Phylogeny,phylogeny section]] (below) for subgroups `--[[Neomura]] ,--[[Archaea]] ...
Max E. Rubinson 00:34, 5 April 2013 (EDT): I was wondering if maybe the expression of gas vesicles in flos-aquae remains constant, and buyoancy is attenuated solely by an increase in carbohydrate concentration due to increased rates of photosynthesis at the surface, but in the 1994 review from Walsby, there is a section discussing the fact that increased gas vesicle content in flos-aquae and other species correlates with decreased photon irradiance ...
Home Cyn Home. India, Switzerland, Life and everything in between. Food, decor and lifestyle of an expat in a multicultural relationship.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dallUniversità di Modena e Reggio Emilia e delle regole riportate nel DM 598/2018 e allegata Tabella A. Cineca, lUniversità di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito alluso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti ...
The Lake Champlain Basin Program provides funding to support two aspects of cyanobacteria monitoring on Lake Champlain: through the Lake Champlain Long-Term Monitoring Program, in partnership with VT Agency of Natural Resources, NYS Department of Environmental Conservation, and SUNY Plattsburgh. Trained staff collect samples from relatively deep locations from a dozen sites around Lake Champlain. If a site has a full bloom or is developing a bloom, samples are collected and sent to the VT Department of Health Laboratory in Burlington for toxin analysis, and the cyanobacteria species is identified. All sample results, including negative (or "clean" results) are posted on the VT Department of Health Cyanobacteria tracker website.. The Lake Champlain Basin Program also provides assistance to the Lake Champlain Committee which trains more than 100 volunteers each year to sample water quality along Lake Champlains Vermont, New York, and Québec shorelines - where people swim and play in and around ...
Risk factors for Paralytic shellfish poisoning including risk behaviors, associated conditions, protective factors, and unrelated factors.
Cyanotoxin Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue-green algae). Cyanobacteria are found almost everywhere, but particularly in lakes and in the ocean where, under certain conditions, they reproduce exponentially to form blooms. Blooming cyanobacteria can produce cyanotoxins in such concentrations that they poison and even kill animals and humans. Cyanotoxins can also accumulate in other animals such as fish and shellfish, and cause poisonings such as shell
Cyanotoxins are equally toxic whether they are within the algal cell (intracellular) or have been released into the water column (extracellular). However, cyanotoxins contained within the algal cell are more easily removed by water treatment plants using conventional treatment processes of coagulation and sedimentation, and this is the reason a lot of attention is paid to whether the cyanotoxin is intracellular or extracellular.. Preliminary data from impartial 3rd party labs indicate that EarthTec is effective at halting growth of cyanobacteria and production of cyanotoxins without a significant increase in the extracellular fraction of toxins. This is important because water managers can treat with EarthTec to slow or halt growth without compromising their in-plant capabilities to remove the remaining toxins.. ...
I am interested in understanding the microbial composition and interaction in the environment. Our group focuses mainly on soil and aquatic environments. We are particularly interested in understanding how eukaryotic microbes respond to changes in their environments and how these changes impact on the trophic links of that environment. The projects involve collaborations with national and international researchers with complementary expertise in these areas.. In the soil, we are particularly interested in understanding how filamentous and zoosporic fungi grow in soil under different soil conditions. Our group has developed a new technique for quantifying fungal growth in three dimensions using computer-aided tomography. We are keen to develop this approach by applying this technique to other biological specimens.. In the aquatic environment, we have an number of interests which include developing a predictive model for cyanobacteria blooms, understanding the distribution of potential parasites ...
All accepted proposers will have an opportunity to present their technology to utilities, consultants, and other WRF subscribers, as well as be included in the LIFT Link online technology innovation and collaboration platform. Subsequent opportunities may develop around research, piloting, validation, and early adoption of the technology. Selected proposers may also be invited to join LIFT representatives at upcoming industry events and workshops on this topic. See application instructions for a complete list of benefits ...
I started writing when I was in my last year of university. It was my cry for something other than squinting at a microscope, counting bacterial cultures and laborious protein identification (though Sonic Hedgehog was super interesting at first). Over the year and a half of clicking away at my keys, I discovered something I…
Benthyciwyd yn helaeth or Saesneg ir Gymraeg trwyr oesau. Benthyciwyd termau o feysydd amrywiol or Hen Saesneg gan gynnwys termau masnach (ee. punt o pŭnd), termaur tŷ ar fferm, (berfa o bearwe, llyffethair o lang feter). Enghreifftiau eraill or amrywiaeth o fenthyciadau a ddigwyddodd cyn dyfodiad y Normaniaid yw het o haet, hosan o hosa, cusan o cyssan, dewr o dior, sur o sūr. Wedi dyfod or Normaniaid parhau a wnaeth y benthyg geiriau yn sgil y mynd a dod ar draws Clawdd Offa. Gellir olrhain nifer o fenthyciadau i adeg Saesneg Canol (cyn yr unfed ganrif ar bymtheg) trwy fod olion yr ynganiad Saesneg Canol yn aros yn y gair Cymraeg modern ond bod yr ynganiad Saesneg wedi newid, e.e. abl, acer, bacwn (a fer Saesneg Canol wedi newid i a fel yn y gair Saesneg modern able) a cnaf, cnap, cnoc (lle collwyd yr c yn Saesneg). Erys ôl y terfyniad lluosog Saesneg Canol -es yn y geiriau Cymraeg lluosog betys, cocos, ffigys, taplas, ayb. Ers twf dwyieithrwydd a Seisnigeiddio yng Nghymru mae llu ...
IDEM began blue-green algae sampling the week of May 15 and will end the week of August 28. IDEM samples for blue-green algae and analyzes those samples for the type and quantity of blue-green algae present and for the following toxins which may be produced by certain types of blue-green algae: microcystin, cylindrospermopsin (only done if species that produce it are present) and anatoxin-a. For protection of human health from exposure to the algae and any of the toxins, cyanobacteria will be compared to the World Health Organization (WHO) and United States Environmental Protection Agency (EPA) guidelines. WHO guidelines recommend using an action level of 100,000 cells/ml of cyanobacteria to post recreational advisory signs. New USEPA guidelines for microcystins recommend posting recreational advisories at 4 μg/l and DNR will issue an additional advisory at 4μg/l. Swimming will be prohibited at 20 μg/l, consistent with WHO guidelines. DNR will use the USEPA recommended cylindrospermopsin ...
New Zealands largest independent science organisation specialising in aquaculture, biosecurity, marine and freshwater, and lab testing.
The involvement of prokaryotic and eukaryotic algae in the formation of diverse types of sedimentary carbonates is important to the sequestration of inorganic carbon for very long periods of time (Graham et al. 2009). Cyanobacteria are thought to have generated the earliest algal carbonate deposits in the form of layered stromatolites, clotted thrombolites, and other formations collectively known as microbially induced sedimentary structures or microbialites (Burne and Moore 1987). Most microbialite formations are largely composed of carbonates, although other mineral types occur (Riding 2011).. Cyanobacterial photosynthesis plays a role in microbialite formation by increasing ambient pH (Garcia-Pichel et al. 2004), thereby fostering carbonate precipitation, and extracellular polymeric substances produced by cyanobacteria and associated bacteria are thought to aid carbonate formation by binding Ca2+ (Van Lith et al. 2003, Braissant et al. 2007). Sulfate reducing bacteria may also be crucial to ...
Gatm antibody (glycine amidinotransferase (L-arginine:glycine amidinotransferase)) for WB. Anti-Gatm pAb (GTX124323) is tested in Zebrafish samples. 100% Ab-Assurance.
A substantial proportion of bacteria from five Alexandrium cultures originally isolated from various countries produced sodium channel blocking (SCB) toxins, as ascertained by mouse neuroblastoma assay. The quantities of SCB toxins produced by bacteria and dinoflagellates were noted, and the limitations in comparing the toxicities of these two organisms are discussed. The chemical nature of the SCB toxins in selected bacterial isolates was determined as paralytic shellfish toxins by pre- and postcolumn high-performance liquid chromatography, capillary electrophoresis-mass spectrometry, and enzyme immunoassay.. ...
The overall project goal is to adapt and validate a rapid and accurate optical fiber-based technology for cyanoHAB cell detection and enumeration in both laboratory and field settings. Specific objectives are to: 1) design ribosomal RNA (rRNA) signal and capture probes for the three most important toxic cyanobacteria (Microcystis aeruginosa, Cylindrospermopsis raciborskii, and Anabaena flos-aquae) using published sequences; 2) design and test a second probe pair for each species to incorporate redundancy into the array; 3) test these probes in the fiber-optic array format and determine detection limits, specificity, and dynamic range; 4) refine hybridization conditions to reduce processing time; 5) develop procedures to analyze multiple cyanoHAB species simultaneously using a single fiber bundle in a multiplexed format and validate it using mixed cultures and spiked and unspiked field samples; 6) work with individuals and agencies responsible for fresh- and brackish water management to determine ...
The Capital Regional District (CRD) advises, in consultation with Island Health, that there is a visible blue-green algae bloom at Thetis Lake, located in Thetis Lake Regional Park. Blue-green algae can produce cyanotoxins. Visitors are advised to avoid swimming in the lake and to keep animals on a leash to prevent them from drinking or swimming in the lake until the advisory has been lifted.. The algae usually produce a visible blue-green sheen, which appears as surface scum. Not all blooms are easy to see and toxins can still be present in the water even if you cannot see the blooms. Blooms are unpredictable and may occur at any time.. These algae are known toxin producers. Ingesting water containing these cyanotoxins may cause a range of symptoms, including headaches and abdominal pain in humans, and can lead to lethal liver damage in dogs.. Please visit www.crd.bc.ca/alerts and Twitter @crd_bc for updates on the status of this algae bloom. To learn more about blue-green algae visit these ...
Video articles in JoVE about 3 flanking region include Generation of Marked and Markerless Mutants in Model Cyanobacterial Species, Generation of a Gene-disrupted Streptococcus mutans Strain Without Gene Cloning, Generating CRISPR/Cas9 Mediated Monoallelic Deletions to Study Enhancer Function in Mouse Embryonic Stem Cells, Genetic Engineering of an Unconventional Yeast for Renewable Biofuel and Biochemical Production, Assessment of DNA Contamination in RNA Samples Based on Ribosomal DNA, Peptide Scanning-assisted Identification of a Monoclonal Antibody-recognized Linear B-cell Epitope, Generation of Enterobacter sp. YSU Auxotrophs Using Transposon Mutagenesis, The Production of C. elegans Transgenes via Recombineering with the galK Selectable Marker, Linear Amplification Mediated PCR - Localization of Genetic Elements and Characterization of Unknown Flanking DNA, Lateral Diffusion and Exocytosis of Membrane Proteins in Cultured Neurons Assessed using Fluorescence Recovery and
At least two mutations in the GATM gene cause arginine:glycine amidinotransferase deficiency, a disorder that involves delayed development, intellectual disability, and in some cases muscle weakness. These mutations result in the production of an abnormally shortened arginine:glycine amidinotransferase enzyme or disrupt how genetic information is pieced together to make a blueprint for producing the enzyme.. GATM gene mutations interfere with the ability of the arginine:glycine amidinotransferase enzyme to participate in creatine synthesis, resulting in a shortage of creatine. The effects of arginine:glycine amidinotransferase deficiency are most severe in organs and tissues that require large amounts of energy, especially the brain. ...
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... medium viscosity flash setting industrial adhesive based on advanced cyanoacrylate technology. Benefits Flash setting formulation, Bonds to most non porous surfaces in seconds. Fills gaps up to 0.1mm Single component adhesive 100% solvent free Economical in use 5 to 15 seconds
There were many older kids (primary school age) who were really quite rough. They were probably having so much fun that they didnt look out for younger children who may be hurt by their thoughtless acts. Many of them ran around the shallow pool with water splashing high. Jase and char had water splashed into their noses a few times. Each time it happened, they would have a "wanna-cry-coz-theyve-been-bullied-face". However, cyn would quickly put a stop to that by telling them it was fine and all they had to do was to stand up so as to prevent more water from splashing into their faces ...
In one study, fenvalerate increased the frequency of enzyme-positive foci in rat liver. Administration of fenvalerate to mice in vivo induced chromosomal aberrations and micronucleus in bone marrow and morphological abnormalities in sperm. Induction of chromosomal aberrations and sister-chromatid exchange was observed in cultured human cells, and aneuploidy was seen in insects. Fenvalerate inhibited gap-junctional intercellular communication in cultured mammalian cells. It did not induce mutation in insects or bacteria ...
This bralette swim top features a triangle design, and a corset style lace-up back. Coordinating swim bottoms available separately.
1JDX: The ligand-induced structural changes of human L-Arginine:Glycine amidinotransferase. A mutational and crystallographic study.
Many freshwater phytoplankton species have the potential to form transient nuisance blooms that affect water quality and other aquatic biota. Heterotrophic bacteria can influence such blooms via nutrient regeneration but also via antagonism and other biotic interactions. We studied the composition of bacterial communities associated with three bloom-forming freshwater phytoplankton species, the diatom Aulacoseira granulata and the cyanobacteria Microcystis aeruginosa and Cylindrospermopsis raciborskii. Experimental cultures incubated with and without lake bacteria were sampled in three different growth phases and bacterial community composition was assessed by 454-Pyrosequencing of 16S rRNA gene amplicons. Betaproteobacteria were dominant in all cultures inoculated with lake bacteria, but decreased during the experiment. In contrast, Alphaproteobacteria, which made up the second most abundant class of bacteria, increased overall during the course of the experiment. Other bacterial classes ...
Harmful cyanobacterial blooms present a global threat to human health. There is evidence suggesting that cyanobacterial toxins can cause liver damage and cancer. However, because there is little epidemiologic research on the effects of these toxins in humans, the excess risk of liver disease remains uncertain. The purpose of this study is to estimate the spatial distribution of cyanobacterial blooms in the United States and to conduct a Bayesian statistical analysis to test the hypothesis that contamination from cyanobacterial blooms is a potential risk factor for non-alcoholic liver disease. An ecological study design was employed, in which county-specific gender and age standardized mortality rates (SMR) of non-alcoholic liver disease in the United States were computed between 1999 and 2010. Bloom coverage maps were produced based on estimated phycocyanin levels from MERIS (Medium Resolution Imaging Spectrometer) water color imageries from 08/01/2005 to 09/30/2005. A scan statistical tool was used to
The highly productive mussel fishery in the Rias Bajas region of northwest Spain has experienced several outbreaks of paralytic shellfish poisoning (PSP) beginning in 1976. In this study, similarities in the HPLC analyses of extracts from toxic shellfish, plankton tows and cultured dinoflagellates from the Rias Vigo and Pontevedra clearly indicate that Gymnodinium catenatum Graham is the organism responsible for recent PSP episodes. The toxin profile of the dinoflagellate contains an unusually high proportion of the low potency sulfocarbamoyl toxins (ca. 90-95 mole %), although a major portion of the overall toxicity is due to the more potent saxitoxin that is present at 5-10% of the total. Toxin profiles of shellfish showed approximately the same composition as that of the dinoflagellate, although the shellfish contained several carbamate toxins (GTX I, GTX II, GTX IV and NEO) that were not detected in G. catenatum culture extracts. The shellfish also contained decarbamoyl toxins (dc-GTX II and dc-GTX
Curated}} {{Biorealm Genus}} [[Image:PJnost2.jpg,thumb,400px,right,Nostoc colonies. Image from [http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopy-uk.org.uk/mag/artoct01/pjnostoc.html Paul James, Microscopy-UK.]]] ==Classification== ===Higher order taxa:=== Bacteria; Cyanobacteria]; Nostocales; Nostocaceae ===Species:=== Nostoc calcicola, N. commune, N. cycadae, N. desertorum, N. edaphicum, N. ellipsosporum, N. entophytum, N. flagelliforme, N. indistinguenda, N. lichenoides, N. linckia, N. muscorum, N. paludosum, N. piscinale, N. punctiforme, N. sphaericum, N. cf. trichormus 113.5, N. sp. {, , height="10" bgcolor="#FFDF95" , NCBI: [http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=1177&lvl=3&lin=f&keep=1&srchmode=1&unlock Taxonomy] Genome ,} ==Description and Significance== Nostoc is a diverse genus of cyanobacteria. They are found in gelatinous colonies, composed of filaments called "trichomes" surrounded by a thin sheath. They are ...
Cyanobacteria are the only prokaryotes with the ability to conduct oxygenic photosynthesis, therefore having major influence on the evolution of life on earth. Their diverse morphology was traditionally the basis for taxonomy and classification. For example, the genus Chroococcidiopsis has been classified within the order Pleurocapsales, based on a unique reproduction modus by baeocytes. Recent phylogenetic results suggested a closer relationship of this genus to the order Nostocales. However, these studies were based mostly on the highly conserved 16S rRNA and a small selection of Chroococcidiopsis strains. One aim of this present thesis was to investigate the evolutionary relationships of the genus Chroococcidiopsis, the Pleurocapsales and remaining cyanobacteria using 16S rRNA, rpoC1 and gyrB gene. Including the single gene, as the multigene analyses of 97 strains clearly showed a separation of the genus Chroococcidiopsis from the Pleurocapsales. Furthermore, a sister relationship between the ...
Saxitoxin is produced by the cyanobacteria Anabaena spp., some Aphanizomenon spp., Cylindrospermopsis sp., Lyngbya sp. and ... "First Report of the Cyanotoxin Anatoxin-A from Aphanizomenon issatschenkoi (cyanobacteria)". Journal of Phycology. 43 (2): 356- ...
Aphanizomenon flos-aquae. References[edit]. *^ a b c d e f g h i "Blue-green algae". MedlinePlus, National Library of Medicine ...
Aphanizomenon ovalisporum, Umezakia natans, Raphidiopsis curvata. and Aphanizomenon issatschenkoi. In Australia, three main ... was also identified as a minor metabolite from Aphanizomenon ovalisporum. This occurred whilst isolating CYN from cyanobacteria ... a toxic minor metabolite of the cyanobacterium Aphanizomenon ovalisporum from lake Kinneret, Israel". Journal of Natural ... a toxic metabolite of the freshwater cyanobacterium Aphanizomenon ovalisporum, and assignment of its absolute configuration". J ...
Aphanizomenon flos-aquae Vonshak, A. (ed.). Spirulina platensis (Arthrospira): Physiology, Cell-biology and Biotechnology. ...
Aphanizomenon flos-aquae is a cyanobacteria similar to spirulina, which is used as a nutritional supplement. Extracts and oils ... "Aphanizomenon Flos-Aquae Blue Green Algae". Energy For Life Wellness Center. Archived from the original on 2006-04-26. ...
In Florida, these include Aphanizomenon, Anabaena and Microcystis. Some notable fish kills in Louisiana in the 1950s were due ...
Anabaena flos-aquae and Aphanizomenon gracile. The fauna in the lake consists of eight types of benthos and ten types of fish ...
Aphanizomenon, Scytonema, Rivularia) Order Stigonematales (e.g., Stigonema) Class Prochlorophyceae (e.g., Prochloron, ...
Short and medium chain (up to 11 carbon atoms) dioic acids have been discovered in Cyanobacteria of the genus Aphanizomenon. ... "Dicarboxylic and Fatty Acid Compositions of Cyanobacteria of the Genus Aphanizomenon". Biochemistry (Moscow). 66 (1): 72-76. ...
Anabaena Aphanizomenon Cylindrospermum Microcystis Oscillatoria Planktothrix Raphidiopsis Epibatidine Aráoz R, Molgó J, Tandeau ... "First Report of the Cyanotoxin Anatoxin-A from Aphanizomenon issatschenkoi (cyanobacteria)". Journal of Phycology. 43: 356-365 ...
... of Aphanizomenon ovalisporum (Cyanobacteria)". The ISME Journal. 6 (3): 670-679. Myers, Jackie; Beardall, John (Aug 2011). " ... in the cyanobacterium Aphanizomenon ovalisporum". Front. Microbiol. Myers, Jackie; Beardall, John; Allinson, Graeme (July 2010 ... "PHOTOSYNTHETIC CHARACTERIZATION OF DEVELOPING AND MATURE AKINETES OF APHANIZOMENON OVALISPORUM (CYANOPROKARYOTA)". Journal of ...
"First Report of the Cyanotoxin Anatoxin-A from Aphanizomenon issatschenkoi (cyanobacteria)". Journal of Phycology. 43 (2): 356- ...
Some cyanobacteria are sold as food, notably Aphanizomenon flos-aquae and Arthrospira platensis (Spirulina). Despite the ...
"Characterisation of the paralytic shellfish toxin biosynthesis gene clusters in Anabaena circinalis AWQC131C and Aphanizomenon ...
The N-terminal domain of Aphanizomenon flos-aquae protein gvpA/J is also related to GVPa. GvpA of Halobacterium salinarum is a ...
and various species of Anabaena, of whom only Aphanizomenon is potentially poisonous and Anabaena frequently causes algal bloom ... During summers phytoplankton are dominated by cyanobacteria and occasionally diatoms, most commonly Aphanizomenon cf gracile ...
First Report of the Cyanotoxin Anatoxin-A from Aphanizomenon issatschenkoi (cyanobacteria)". Journal of Phycology. 43 (2): 356- ...
... especially the cyanobacterium Aphanizomenon flos-aquae. These blooms have led to sucker die-offs because the blooms deplete the ...
Aphanizomenon, Phacus, Euglena, Peridinium, Cyclotella, Chlamydomonas and Rhodomonas, comprises Lactobacillus and Lactococcus ...
The year before the CBM-BNA had warned of the risk of toxic microalgal Aphanizomenon spp blooms in reservoirs on the island of ...
I see a few websites selling Aphanizomenon flos-aquae (aka Klamath Lake Algae) as a nutritional supplement similar to Spirulina ...
... produced by Aphanizomenon flos-aquae and Spirulina, is for example used in the food and beverage industry as the natural ...
... largely Aphanizomenon flos-aquae). The algae blooms turn the water an opaque green in the summer and reduce the opportunity for ...
Aphanizomenon MeSH B03.440.475.100.200 --- Cyanothece MeSH B03.440.475.100.210 --- Cylindrospermopsis MeSH B03.440.475.100.500 ...
... may form large colonies as a defense against herbivore grazing, especially Daphnia in freshwater. Aphanizomenon ... Aphanizomenon is an important genus of cyanobacteria that inhabits freshwater lakes and can cause dense blooms. Studies on the ... Aphanizomenon may become dominant in a water body partially due to their ability to induce phosphate-limitation in other ... Aphanizomenon is capable of producing biologically-useful nitrogen (ammonium) by the process of nitrogen fixation from ...
Aphanizomenon may form large colonies as a defense against herbivore grazing, especially Daphnia in freshwater. Aphanizomenon ... Aphanizomenon is an important genus of cyanobacteria that inhabits freshwater lakes and can cause dense blooms. Studies on the ... Aphanizomenon may become dominant in a water body partially due to their ability to induce phosphate-limitation in other ... Aphanizomenon is capable of producing biologically-useful nitrogen (ammonium) by the process of nitrogen fixation from ...
Aphanizomenon flos-aquae is a brackish and freshwater species of cyanobacteria found around the world, including the Baltic Sea ... Aphanizomenon flos-aquae is known to produce endotoxins, the toxic chemicals released when cells die. Once released (lysed), ... Aphanizomenon flos-aquae has both toxic and nontoxic forms.[unreliable source?] Most sources worldwide are toxic, containing ... Aphanizomenon flos-aquae can form dense surface aggregations in freshwater (known as "cyanobacterial blooms"). These blooms ...
Colony-forming morphology is one of the characteristics of the species Aphanizomenon flos-aquae; conversely Aphanizomenon are ... Their genetic comparison of Aphanizomenon flos-aquae to other species in the genus Aphanizomenon indicates dissimilarity ... Aphanizomenon flos-aquae began to be harvested as a human dietary supplement in the early 1980s. In 1998 a dry weight of ... Aphanizomenon flos-aquae contains a balance of both linoleic acid (LA, an omega-6 fatty acid) and alpha-linolenic acid (ALA, an ...
Aphanizomenon ovalisporum UAM-MAO, has been studied. Arg clearly increased CYN content, the increment appearing triphasic along ... Keywords: Aphanizomenon ovalisporum; aoa/cyr/ntcA genes expression; guanidinoacetate; cylindrospermopsin; arginine; glycine ... Influence of Glycine and Arginine on Cylindrospermopsin Production and aoa Gene Expression in Aphanizomenon ovalisporum. Ángel ... "Influence of Glycine and Arginine on Cylindrospermopsin Production and aoa Gene Expression in Aphanizomenon ovalisporum." ...
Aphanizomenon ovalisporum UAM-MAO, has been studied. Arg clearly increased CYN content, the increment appearing triphasic along ... Berman, T. Dissolved organic nitrogen utilization by an Aphanizomenon bloom in Lake Kinneret. J. Plankton Res. 1997, 19, 577- ... Bar-Yosef, Y.; Sukenik, A.; Hadas, O.; Viner-Mozzini, Y.; Kaplan, A. Enslavement in the water body by toxic Aphanizomenon ... AMDTs of the CYN-producing strains Cylindrospermopsis raciborskii AWT205 (CyrA) [7] and Aphanizomenon ovalisporum UAM-MAO (AoaA ...
The information on the control of CYN production by gene expression is still scarce, especially in Aphanizomenon. To obtain ... named aoa for Aphanizomenon and cyr for Cylindrospermopsis and others strains. The sequences of those genes are highly similar ... Aphanizomenon ovalisporum is a cylindrospermopsin (CYN)-producing cyanobacteria species that due to its increasing worldwide ... Aphanizomenon sp. 10E6 [8] , Aphanizomenon sp. 22D11 [8] , Oscillatoria sp. PCC6506 [9] and Raphidiopsiscurvata CHAB1150 [10 ...
Small-scale carbon and nitrogen fluxes associated with Aphanizomenon sp. in the Baltic Sea. ... Small-scale carbon and nitrogen fluxes associated with Aphanizomenon sp. in the Baltic Sea. , The ISME Journal. . doi: 10.1038/ ...
... a cyanobacterial toxin from Aphanizomenon ovalisporum, by plant test (blue-green Sinapis test) ... An AbrB-like protein might be involved in the regulation of cylindrospermopsin production by Aphanizomenon ovalisporum. ... Occurrence of non-cylindrospermopsin-producing Aphanizomenon ovalisporum and Anabaena bergii in Lake Kinneret Israel. Journal ... Effects of Chrysosporum (Aphanizomenon) ovalisporum extracts containing cylindrospermopsin on growth, photosynthetic capacity, ...
... were assessed in Aphanizomenon gracile UAM529 cultures under temperatures covering its annual cycle (12 °C, 23 °C, and 30 °C). ... The cyanobacterium Aphanizomenon gracile is the most widely distributed producer of the potent neurotoxin saxitoxin in ... Aphanizomenon gracile. Temperature (12°C and 30°C vs. 23 °C). 4-fold higher at 30 °C than at 23 °C. Upregulation (2.9-4.3X) at ... Ecophysiology of Aphanizomenon Gracile. Over the 8-day experimental period, cultures of Aph. gracile UAM529 showed a similar ...
Aphanizomenon flos-aquae from Klamath Lake is the very best that algae can be. It is the most fundamental food on the planet. ... The benefits of Aphanizomenon flos-aquae are directly proportional to the quality and exact source of the algae. Unless you ... Aphanizomenon flos-aquae is natures most basic food. It exists at the beginning of the food chain, provides perfect nutrition ... E3Live is 100% Aphanizomenon flos-aquae blue-green algae. • One of natures most efficient, versatile and prolific nutritional ...
What is aphanizomenon flos-aquae?. * Q: What are some different kinds of shellfish?. ...
What is aphanizomenon flos-aquae?. A: According to WebMD, aphanizomenon flos-aquae is a kind of blue-green algae, or ...
Barangkali tidak ramai yang tahu apakah Aphanizomenon flos-aquae atau singkatan nama ringkasnya AFA.Saya diminta untuk menulis ... Aphanizomenon flos-aquae juga dikenali secara meluas sebagai blue green algae dan Cyanobacteria.Malah Spirulina juga dirujuk ... Barangkali tidak ramai yang tahu apakah Aphanizomenon flos-aquae atau singkatan nama ringkasnya AFA.Saya diminta untuk menulis ... Aphanizomenon flos-aquae secara umumnya mula diselidiki secara saintifik sejak 30 tahun yang lampau dan mula diperdagangkan ...
Aphanizomenon ovalisporum). CYN is a tricyclic alkaloid combined with a guanidine moiety. It is well known that CYN inhibits ... Aphanizomenon Ovalisporum Culture and Determination of Cyanobacterial Toxins. A. ovalisporum (LEGE-X001) strain was supplied by ... CYN is produced by several species of cyanobacteria, among them Aphanizomenon ovalisporum [2]. Structurally, it is an alkaloid ... Cylindrospermopsin; Aphanizomenon ovalisporum; Oreochromis niloticus; immunohistochemistry; distribution; cyanobacteria; ...
... Posted on October 11, 2016 , Leave a comment ... Gitte S. Jensen) menemukan satu #SuperFOOD yang bernama Aphanizomenon flos Aquae (AFA), iaitu Blue Green Algae yang TERBUKTI ... Aphanizomenon flos Aqua juga membekalkan 64 mineral, 4 enzime, 20 asid amino, 12 vitamin, 5 antioksida dan 7 nutrien lain ... This entry was posted in Cellmaxx and tagged aphanizomenon flos aquae, cellmaxx pahang, cellmaxx pekan kuantan, ejen cellmaxx ...
Spatiotemporal Molecular Analysis of Cyanobacteria Blooms Reveals Microcystis-Aphanizomenon Interactions by Todd R. Miller, ... Out of 97 taxa, a single Microcystis, and two different Aphanizomenon taxa were the dominant cyanobacteria detected during ...
Saxitoxin is produced by the cyanobacteria Anabaena spp., some Aphanizomenon spp., Cylindrospermopsis sp., Lyngbya sp. and ... "First Report of the Cyanotoxin Anatoxin-A from Aphanizomenon issatschenkoi (cyanobacteria)". Journal of Phycology. 43 (2): 356- ...
Aphanizomenon flos-aquae. References[edit]. *^ a b c d e f g h i "Blue-green algae". MedlinePlus, National Library of Medicine ...
2, 3). The nitrogen-fixing cyanobacteria Aphanizomenon sp. has also been found to increase in the BS (Jaanus et al. 2011; ... and Aphanizomenon sp. FEMS Microbiology Ecology 58: 323-332.CrossRefGoogle Scholar ... Carbon and nitrogen fluxes associated with the cyanobacterium Aphanizomenon sp. in the Baltic Sea. ISME Journal 4: 1215-1223. ... Nitrogen fixation and abundance of the diazotrophic cyanobacterium Aphanizomenon sp. in the Baltic Proper. Marine Ecology ...
Anagnostidis, K. and J. Kom rek. 1988. Modern approach to the classification system of cyanophytes. 3-Oscillatoriales. Arch. Hydrobiol. (Suppl 80) Algol. Stud. 50/53:327-472.. Barbrook, A. C., P. J. Lockhart, and C. J. Howe. 1998. Phylogenetic analysis of plastid origins based on secA sequences. Current Genetics 34:336-341.. Bhattacharya, D. and L. Medlin. 1995. The phylogeny of plastids: a review based on comparisons of small-subunit ribosomal RNA coding regions. Journal of Phycology 31:489-498.. Bergman, B., J. Gallon, A. N. Rai, and L. Stal. 1997. Nitrogen fixing non-heterocystous cyanobacteria. FEMS Microbiological Reviews 19:139-185. Bryant, D. B. (ed.) 1994. The Molecular Biology of Cyanobacteria. Kluwer Academic Publishers, Dordrecht, Boston.. Capone, D. G, J. P. Zehr, H. W.Paerl, B. Bergman, and E. J.Carpenter. 1997. Trichodesmium, a globally significant marine cyanobacterium. Science 276:1221-1229. Carr, N. G. and B. A. Whitton (eds.) 1982. The Biology of Cyanobacteria. Blackwell ...
Aphanizomenon. Aphanizomenonoides/gracile. 25,923. 24,295. 18,146. 24,195. 25,404. 39,921. 18,146. 2,592. 25,518. 25,404. ... The dominant genera of PTOX-C reported in water samples were Anabaena, Aphanizomenon, Cylindrospermopsis, and Microcystis. The ... Aphanizomenon aphanizomenonoides/gracile is, however, a suspected microcystin producer. Because the toxin levels were very low ... The dominant species present were Anabaena macrospora, Aphanizomenon aphanizomenoides/gracile, and Microcystis cf. botrys. ...
Oxygen Radical absorbance capacity of phycocyanin and phycocyanobilin from the food supplement Aphanizomenon flos-aquae. J. Med ... who found a specific increase of echinenone content in the cyanobacteria Cylindrospermopsis raciborskii and Aphanizomenon ...
Aphanizomenon spp., and Planktolyngbya limnetica. Four days after the date of last exposure, microcystin was not detected, ...
It should be noted, however, that blooms of Dolichospermum (formerly named as Anabaena) [10,23,28], Aphanizomenon [29,30] and ... Legend: Aph-Aphanizomenon spp.; Dol-Dolichospermum spp.; Mic-Microcystis spp.; Osc-Oscillatoria spp.; Plank-Planktothrix spp.; ... Legend: Aph-Aphanizomenon spp.; Dol-Dolichospermum spp.; Mic-Microcystis spp.; Osc-Oscillatoria spp.; Plank-Planktothrix spp.; ... The water that supplied the city was heavily contaminated with Microcystis, Aphanizomenon and Dolichospermum, but it also ...
AFA Blue-Green Algae, sourced from the pristine mountain lakes of Oregon, contains more protein, B12 and chlorophyll than any other food source. It is soft cell walls means its nutrients are readily absorbed by the body. ...
  • We thank Prof. K. Sivonen (University of Helsinki) for the Aphanizomenon strain, U. Sjölund for culturing algae, T. Sjölund for help with mesocosm set-up, P. Hakanen for microscopy and E. Salminen & M. Sjöblom for nutrient analyses. (springer.com)
  • Aphanizomenon may form large colonies as a defense against herbivore grazing, especially Daphnia in freshwater. (wikipedia.org)
  • The World Health Organization's Guidelines For Drinking Water Quality note Anatoxin-a, saxitoxins, and cylindrospermopsins are present in the Aphanizomenon genus. (wikipedia.org)