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Date : 1995-11-21
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Toxic Microcystis CRC Press Book ~ This book discusses toxic Microcystis and the toxins from various viewpoints such as classification cultivation occurrences in lakes and relations to zooplankton The text presents new information on the chemistry analytical chemistry toxicology molecular modeling and liver tumor promotion of the toxins
Microcystis Toxic BlueGreen Algae ~ amounts of Microcystis cells when they clean their coats after playing in water Livestock wildlife and dogs are exposed through drinking water and containing Microcystis or ingesting algal mats Figure 1 Mat of Microcystis on the surface of a water body Microcystis Toxic BlueGreen Algae Figure 2
Learn about Cyanobacteria and Cyanotoxins US EPA ~ Microcystis is the most common bloomforming genus and is almost always toxic Microcystis blooms resemble a greenish thick paintlike sometimes granular material that accumulates along shores Scums that dry on the shores of lakes may contain high concentrations of microcystin for several months
MICROCYSTINS A Brief Overview of their Toxicity and ~ The species most commonly associated with microcystin production is Microcystis aeruginosa 1 Upon ingestion toxic microcystins are actively absorbed by fish birds and mammals Microcystin primarily affects the liver causing minor to widespread damage depending on the amount of toxin absorbed
Toxic and Nontoxic Microcystis Colonies in Natural ~ Mass occurrences blooms of toxic cyanobacteria from the genus Microcystis constitute a threat to the safety and ecological quality of surface waters worldwide The most prominent toxin produced by Microcystis is the hepatotoxin microcystin a cyclic heptapeptide which is formed nonribosomally by peptide and polyketide synthetases Proper assessment of the hazards of Microcystis blooms
Toxicity of Microcystis species isolated from natural ~ Microcystis strains 2 toxic and 18 nontoxic to mice were isolated from toxic waterblooms that had been collected from Lake Kasumigaura Ibaraki Prefecture Japan in August 1985 Thirteen of the strains 2 toxic and 11 nontoxic were Microcystis aeruginosa 2 nontoxic were Microcystis wesenbergii and the other 5 were difficult to identify
Microcystis aeruginosa Wikipedia ~ Microcystis aeruginosa is a species of freshwater cyanobacteria which can form harmful algal blooms of economic and ecological importance They are the most common toxic cyanobacterial bloom in eutrophic fresh water Cyanobacteria produce neurotoxins and peptide hepatotoxins such as microcystin and cyanopeptolin
Microcystin Wikipedia ~ MicrocystinLR is the most toxic form of over 80 known toxic variants and is also the most studied by chemists pharmacologists biologists and ecologists Microcystincontaining blooms are a problem worldwide including China Brazil Australia South Africa the United States and much of Europe
Quantification of Toxic Microcystis spp during the 2003 ~ In August of 2003 and August of 2004 blooms of potentially toxic cyanobacteria Microcystis spp persisted in western Lake Erie Samples collected from the bloom were analyzed for the cyanobacterial toxin microcystin and the presence of Microcystis spp cells Estimates of microcystin toxicity exceeding 1 μg L1 microcystin−LR activity equivalents the safety limit set by the World Health
Toxic and nontoxic strains of Microcystis aeruginosa ~ In this study the allelopathic effects of toxic and nontoxic Microcystis aeruginosa strains on the growth of green alga Chlorella vulgaris and photosynthesis of the cocultivations of C vulgaris and toxic M aeruginosa FACHB905 or nontoxic M aeruginosa FACHB469 were investigated at different temperatures
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