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| | WHO Water-related diseases |
 | | Blooms of cyanobacteria tend to occur repeatedly in the same water, posing a risk of repeated exposure to some human populations. | | | Toxic Cyanobacteria in Water: a guide to their public health consequences, monitoring and management, edited by J. Bartram& I. Chorus. | | | Cyanobacterial toxins are classified by how they affect the human body. |
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http://www.who.int/water_sanitation_health/diseases/cyanobacteria/en
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| | Tracking the Path of Green Slime :: Astrobiology Magazine :: Search for Life in the Universe |
| | But because cyanobacteria fossils look so similar to modern cyanobacteria, this suggests that some forms of cyanobacteria have changed very little over the years. | | | Summons believes these studies will lead to new methods for recognizing cyanobacteria in the sedimentary record, and perhaps trace them back to their earliest ancestors. | | | If they were lucky, the stressed organisms managed to hide away in places where oxygen couldn't reach - deep down in anoxic mud or in the cracks and crevices of hydrothermal vents under the sea. |
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http://www.astrobio.net/news/article259.html
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| | WHO Toxic cyanobacteria in water: A guide to their public health consequences, monitoring and management |
| | The book Toxic cyanobacteria in water: a Guide to their public health consequences, monitoring and management is included in the plan of work of the rolling revision of the WHO Guidelines for Drinking-water Quality. | | | This book will be an invaluable source of information for environmental health officers and professionals in the fields of water supply, freshwater ecology, public health and health education, as well as for students and consumer groups. | | | Toxic cyanobacteria in water: A guide to their public health consequences, monitoring and management |
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http://www.who.int/water_sanitation_health/resourcesquality/toxicyanbact/en
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| | Algae, Cyanobacteria and Water Quality |
| | Algae and cyanobacteria are tiny organisms that occur naturally in saltwater and freshwater. | | | However, a microscope is not always available to someone standing at the edge of a water body. | | | Cyanobacteria often clump together, particularly under calm conditions |
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http://www.agr.gc.ca/pfra/water/algcyano_e.htm
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| | cyanobacteria on Encyclopedia.com |
| | Scientists searching for life beyond Earth are most likely to find primitive microbes like these cyanobacteria, one of the most primitive organisms on our own planet. | | | Outbreaks of diarrheal illness associated with cyanobacteria (blue-green algae)-like bodies - Chicago and Nepal, 1989 and 1990. |
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http://www.encyclopedia.com/html/c1/cyanobac.asp
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| | Blue-Green Algae (CYANOBACTERIA) and their Toxins |
| | Better methods of detection are being developed to help us learn more about them, especially to find out which toxins are a problem in Canada and what conditions encourage their production. | | | This Water Talk document covers a wide range of topics related to cyanobacteria, their toxins, and your health: | | | As the availability of these elements can change quickly with the time of day and the weather, most cyanobacteria have evolved to be able to control their buoyancy. |
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http://www.hc-sc.gc.ca/ewh-semt/water-eau/drink-potab/cyanobacteria-cyanobacteries_e.html
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| | Cyanobacteria |
| | During this period cyanobacterial molecular biologists have been "studying those things that cyanobacteria do well," and they have made cyanobacteria the organisms of choice for detailed molecular analyses of oxygenic photosynthesis. | | | The Responses of Cyanobacteria to Environmental Conditions: Light and Nutrients; A.R. Grossman, M.R. Schaefer, G.G. Chiang, J.L. Collier. | | | Physiological and Molecular Studies on the Response of Cyanobacteria to Changes in the Ambient Inorganic Carbon Concentration; A. Kaplan, R. |
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http://photoscience.la.asu.edu/photosyn/books/cyanobk.html
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| | BlueGrAlgae |
| | There are a few appropriate responses to these situations, and one that is often employed that you should (and will) be advised against. | | | Cyanobacteria thrive in low circulation, poorly aerated conditions. | | | This is a key approach to BGA prevention as "higher" photosynthetic life forms are far more able to survive and outcompete Cyanobacteria at lower nutrient level concentrations. |
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http://www.wetwebmedia.com/bluegralgae.htm
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| | Cyanobacteria |
| | Their symbiotic relationship with CBs is one reason why they still can be found in nature. | | | They form during drought or other unfavorable conditions and consist of | | | Cyanobacteria have recently found in the most barren area of |
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http://www.botany.hawaii.edu/faculty/webb/BOT311/Cyanobacteria/Cyanobacteria.htm
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| | Cyanobacteria Blue Green Algae (3) |
| | If you follow what was described here and in the previous two installments you will have no trouble achieving this. | | | The techniques to do so have been outlined. | | | The situation this puts hobbyists in is that not only are we faced with blue-greens that feed on organic substance and their breakdown components, but that light increases the uptake of these substances and results in a more dense and more widespread growth of cyanobacteria. |
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http://www.athiel.com/lib/txtfiles/cyano3.html
(961 words)
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| | Cyanobacteria in Soil |
| | Many cyanobacteria have formed symbiotic relationships with other plants. | | | Cyanobacteria is an organism that is very important in the formation of biological soil crusts. | | | This relationship between plant and cyanobacteria is believed to have first occurred during the Precambrian era. |
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http://www.cwnp.org/cyanobacteria.html
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| | Cycad biology, Article 1: Corraloid roots of cycads |
| | The cyanobacteria do not have the same behavior when they are symbionts compared to the forms that are free-living. | | | But I don't know if such a thing may occur often on non-free-living cyanobacteria. | | | None of them (cycads and cyanobacteria) need the other to live. |
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http://www.plantapalm.com/vce/biology/corraloid.htm
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| | Family trees of ancient bacteria reveal evolutionary moves |
| | Over their very long life span, Cyanobacteria have evolved a system to survive a gradually increasing oxidizing environment, making them of interest to a broad range of researchers. | | | A half billion years ago Cyanobacteria predated more complex organisms like multi-cellular plants and functioned in a world where the oxygen level of the biosphere was much less than it is today. | | | Blank is able to draw her hypothesis from family trees she is drawing of Cyanobacteria. |
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http://news-info.wustl.edu/news/page/normal/4504.html
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| | Cyanobacteria (Blue-Green Algae) Poisoning |
| | The best solution is to be aware of conditions which spawn cyanobacterial blooms. | | | Intoxication with cyanobacteria is characterized by convulsions, ataxia (in- coordination), bloody diarrhea and sudden death. | | | Also, not all cyanobacteria are poisonous, and the cyanobacteria which can generate poisonous toxins do not always do so. |
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http://www.ext.nodak.edu/extpubs/ansci/animpest/v1136w.htm
(866 words)
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| | Cyanobacteria - CYANOPHYTA (cyanobacteria, blue-green "algae") |
| | Marine Botany has an ongoing research interest in cyanobacteria in | | | Cyanobacteria are very important constituents of fresh-water and marine ecosystems as well as useful model organisms for studying the structure and function | | | Cyanobacteria are not only one of the largest groups of bacteria on Earth The cyanobacteria have been tremendously important in shaping the course of |
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http://paul-ii.surferfind.com/?q=paul-ii-cyanobacteria
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| | Cyanobacteria |
| | This problem is overcome because the heterocysts contain only part of the photosynthetic apparatus, termed photosystem I, which can be used to generate energy (as ATP). | | | Peltula is a rather unusual lichen consisting of separate lobes, termed squamules, that are connected to one another by a system of fungal hyphae. | | | In (a) and (b) below, we see that these hyphae are aggregated into rope-like structures that lichenologists term "rhizines" (see |
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http://helios.bto.ed.ac.uk/bto/microbes/cyano.htm
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| | OZ REEF - Cyanobacteria |
| | This is of course the red cyano, and not the blue-green, which thrive in conditions where the light is much longer, say in the 600 nm range. | | | Cyanobacteria are prokaryotic (without a nucleus), unicellular bacteria that comprise one of the eleven major groups of bacteria in our world based on 16S ribosomal RNA sequences (this is a common strand/length of RNA found in all bacteria, where each group presents a distinct genotypic sequence separate and unique from one another). | | | The first problem would be that corals don't really like longer wavelength light in high proportions. |
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http://ozreef.org/content/view/26/2
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| | Circadiana |
| | Being unicellular does not preclude one from having a clock, though, as single-cell Protista and Fungi all have circadian rhythms, which have been studied quite extensively since the 1970s or so (I intend to delve some more in that literature and write some posts on them in the future). | | | This also suggested that clocks in all organisms use same or similar intercellular mechanisms for generation of circadian rhythms. | | | One group of bacteria does have a clock - the unicellular Cyanobacteria (if you are above a certain age, you may remember them under their old name: blue-green algae), in particular those species that do not form chains, e.g., Synechococcus and Nostoc. |
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http://circadiana.blogspot.com
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| | CyBib v5: Bibliography of Cyanobacteria |
| | Articles merely related to cyanobacteria (e.g., molecular methods, plant photosynthesis, freshwater ecology) are not cited here. | | | The references should be able to be uploaded into standard reference managing programs. | | | The entire database has been parked on the Internet to provide a resource for researchers and students involved with cyanobacteria. |
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http://bilbo.bio.purdue.edu/www-cyanosite/cybib/cybibhome.html
(261 words)
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| | The Blue-Green Algae (Cyanobacteria) |
| | Carmichael, W.W. A Review, Cyanobacteria secondary metabolites- the cyanotoxins. | | | The majority of blue-greens are aerobic photoautotrophs: their life processes require only oxygen, light and inorganic substances. | | | An Introduction to the Blue-Green Algae (Cyanobacteria) with an Emphasis on Nuisance Species. |
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http://lakes.chebucto.org/cyano.html
(2428 words)
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| | Cyanobacteria |
| | Nitrogen fixation requires anaerobic conditions, but Cyanobacteria are aerobes. | | | Algae are eukaryotic organisms, not prokaryotes like Cyanobacteria. | | | For these reasons, we believe that Cyanobacteria were some of the first living organisms to colonize the Earth - but there's also more direct evidence. |
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http://www-micro.msb.le.ac.uk/video/Cyanobacteria.html
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| | biology - Cyanobacteria |
| | See hypolith for an example of cyanobacteria living in extreme conditions. | | | The cyanobacteria are traditionally classified by morphology into five sections, which may be simply referred to by the numerals I-V. The first three - Chroococcales, Pleurocapsales, and Oscillatoriales - are not supported by phylogenetic studies. | | | They are often referred to as blue-green algae, even though it is now known that they are not related to any of the other algal groups, which are all eukaryotes. |
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http://www.biologydaily.com/biology/Cyanobacteria
(503 words)
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| | Cyanobacteria - EvoWiki |
| | Cyanobacteria are autotrophic organisms, which means they produce and use their own nourishment. | | | Inside of cyanobacteria, there are smaller forms of Cyanobacteria, along with chlorophyll. | | | Cyanobacteria are one of the largest and most important groups of bacteria that exist on earth. |
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http://wiki.cotch.net/index.php/Cyanobacteria
(258 words)
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| | Cyanobacteria, Blue Green Algae, Slime algae, red slime algae, |
| | The simplest forms of cyanobacteria are the unicellular ones (Chroococcales). | | | Ongoing studies of Cyanobacteria result in frequent changes. | | | The main reason being that many of the various forms of cyanobacteria are present in any environment where photosynthesis takes place. |
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http://www.athiel.com/lib/cya.html
(1469 words)
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| | The Cyanobacteria |
| | Finally, a number of cyanobacteria have formed symbioses with other organisms such as liverworts, ferns and cycads, however, their best known symbiosis is with various fungi to form numerous lichens. | | | Cyanobacteria are photosynthetic organisms; like plants they trap the energy of the sun (autotrophically) to use in their own metabolism and give off oxygen in the process. | | | Cyanobacteria were probably the first organisms on earth to release oxygen into the atmosphere, in this way they would have played a major role in making the planet suitable for animals like ourselves. |
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http://www.earthlife.net/prokaryotes/cyano.html
(488 words)
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| | Cyanobacteria |
| | Investigating deep phylogenetic relationships among cyanobacteria and plastids by small subunit rRNA sequence analysis. | | | Phylogenetic relationships among filamentous helical cyanobacteria investigated on the basis of 16S ribosomal RNA gene sequence analysis. | | | A Webserver for Cyanobacterial Research at Purdue University. |
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http://tolweb.org/tree?group=Cyanobacteria&contgroup=Eubacteria
(956 words)
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| | Chapter 25 Remarks |
| | These drugs may be important weapons against such fungi. | | | Most bacteriologists were interested in human pathogens and so avoided the cyanobacteria. | | | Cyanobacteria were poor evidence; their photosynthetic pigments were wrong, their membranes were wrong. |
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http://www.biologie.uni-hamburg.de/b-online/library/plant_biology/ch25.html
(605 words)
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| | Harmful Algal Blooms: Cyanobacteria: About CDC HSB |
| | Some studies have suggested that such exposure could be associated with chronic illnesses, such as liver cancer and digestive-system cancer. | | | They also can produce powerful toxins that affect the brain and liver of animals and humans. | | | Cyanobacteria are found worldwide, from Brazil to China, Australia to the United States. |
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http://www.cdc.gov/hab/cyanobacteria/about.htm
(426 words)
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| | The Skeptical Aquarist |
| | Recent research suggests that filamentous cyanobacteria don't resort to this energy-expensive metabolic technique as long as there's some free ammonia available. | | | Though many cyanobacteria can manufacture their own nitrogen, you may still be able to starve them by limiting the phosphate or potassium they also require, which is also a major technique in controlling algae. | | | But if this technique slows plant growth, it may be counter-productive. |
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http://www.skepticalaquarist.com/docs/algae/cyano.shtml
(2248 words)
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| | Craig Bingman - Cyanobacteria .... reefs.org Article |
| | Cyanobacteria are often pretty good food organisms, yet you have large amounts of it in your system and it isn't being consumed? | | | Sometimes a cyanobacteria problem can be resolved by seeding the tank with some sand from a system that doesn't have a problem with cyanobacteria. | | | Systems that have problematic amounts of cyanobacteria almost always have some combiation of physical, chemical and biological problems. |
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http://www.reefs.org/library/article/c_bingman2.html
(903 words)
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| | First Life |
| | Cyanobacteria are prokaryotic cells (the simplest form of modern carbon-based life) which lack a DNA-packaging nucleus. | | | Under normal ocean conditions, the cyanobacteria would be eaten by marine creatures such as snails. | | | The salinity of the water is very high in this bay, and basically the only life that can survive is cyanobacteria. |
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http://www.geocities.com/eurekaproj/evolution/fstlife.html
(315 words)
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| | Blue-green algae (cyanobacteris background information |
| | The clinic allowed toxins into the patients’ dialysis process by using poorly filtered reservoir water treated with chlorine (1). | | | Where Cyanobacteria are well dispersed, there is no immediate risk to animals or humans, however, recent investigations in China strongly link cyanobacterial toxins with liver cancer(10). | | | The World Health Organizations additionally reports that, "Elsewhere in South America, in 1988, more than 80 deaths and 2,000 illnesses due to severe gastroenteritis have also been directly linked with toxic cyanobacteria in a newly constructed dam. |
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http://ljea.org/bgainfo.html
(555 words)
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| | Cyano, Cyanos, Cyanobacteria, Blue-Green Algae, Algae, Red slime Algae, Slime Algae, Slime, Undesirable algae |
| | Based on the treatment frequency (DO falls and you treat intervals) you kind of know, without testing when you should perform a few treatments. | | | Although, in nature (open system), cyanobacteria play important roles in the life chain, it has not been demonstrated that they serve any necessary function in the aquarium (closed system). | | | Using "other" methods than the one described here "may" work, but the problem usually is that you will only have dealt with the effect and not the cause. |
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http://netclub.athiel.com/cyano/cyanos2.htm
(4312 words)
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| | Cyanobacteria |
| | During the history of the Earth, the cyanobacteria have been the main organisms producing oxygen. | | | Quite the contrary, they rather like it, and that is how cyanobacteria proliferated in the oxygen-rich environment that themselves were creating. | | | Fossil rocks from such type of excretion, footprint of cyanobacteria activity, have been conserved since the Archaeozoic until our days in different parts of the world and are formed. |
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http://homepage.mac.com/uriarte/cyanobacteria.html
(1395 words)
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| | Major Groups of Procaryotes |
| | Akinetes are resistant to heat, freezing and drought (desiccation) and thus allow the cyanobacteria to survive unfavorable environmental conditions. | | | Relative to other oxygenic phototrophs, cyanobacteria often grow under fairly extreme environmental conditions such as high temperature and salinity. | | | Although thousands of cyanobacteria have been observed, only about 200 species have been identified as distinct, free-living, nonsymbiotic prokaryotes. |
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http://www.bact.wisc.edu/Bact303/MajorGroupsOfProkaryotes
(9226 words)
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| | Cyanobacteria |
| | Cyanobacteria are a group of prokaryotes that possess a higher plant-type oxygenic photosynthesis. | | | Cyanobacteria also make nitrogen in mid latitude agricultural systems, though not as massive as in paddy rice fields; therefore UV-B effects on these organisms could also be relevant on a global scale. | | | Cyanobacteria such as Scytonema and Nostoc form filaments that are embedded in a mucilaginous sheath. |
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http://www.gcrio.org/UNEP1998/UNEP98p37.html
(665 words)
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| | Introduction to the Cyanobacteria |
| | This name is convenient for talking about organisms in the water that make their own food, but does not reflect any relationship between the cyanobacteria and other organisms called algae. | | | The other great contribution of the cyanobacteria is the origin of plants. | | | It may surprise you then to know that the cyanobacteria are still around; they are one of the largest and most important groups of bacteria on earth. |
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http://www.ucmp.berkeley.edu/bacteria/cyanointro.html
(383 words)
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| | Cyanobacteria and the Oxygen Revolution |
| | Cyanobacteria was the first organisms that used H | | | Cyanobacteria lived in colonies that formed stromatolites, and evolved at least 2.5 BA. | | | Cyanobacteria has been tremendously important in shaping the course of evolution and ecological change throughout earth's history. |
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http://hoopermuseum.earthsci.carleton.ca/stromatolites/OXYGEN.htm
(280 words)
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| | PHOTOSYNTHESIS |
| | The process by which most of the world's autotrophs make their food is known as ____. | | | Which of these photosynthetic organisms does not have a chloroplast? | | | All photosynthetic organisms (plants, certain protistans, prochlorobacteria, and cyanobacteria) have |
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http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookPS.html
(4324 words)
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| | Marine cyanobacteria |
| | A polyphasic approach is used with phenotypic as well as genotypic characters being analysed. | | | As the marine environment was the “cradle” of cyanobacteria some 3.2 Ba ago, evolutionary relationships among the cyanobacteria identified are also considered. | | | The marine environment has for long been considered as unexpectedly devoid of cyanobacteria. |
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http://www.botan.su.se/Fysiologi/CYANO/Sub-2.htm
(395 words)
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| | Cyanobacteria |
| | Although both groups are photosynthetic, they are only distantly related: cyanobacteria lack internal organelles, a discrete nucleus and the histone proteins associated with eukaryotic chromosomes. | | | Although they are truly prokaryotic, cyanobacteria have an elaborate and highly organized system of internal membranes which function in photosynthesis. | | | Cyanobacteria have even been found on the fur of polar bears, to which they impart a greenish tinge! |
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http://fig.cox.miami.edu/Faculty/Dana/cyano.html
(629 words)
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| | General Cyanobacteria Information |
| | Anatoxin-a is a potent nicotinic agonist that mimics acetylcholine and is used as a research tool in neurobiology. | | | Our lab is also investigating occurrences of toxic cyanobacteria at levels that can cause chronic and sub-chronic toxicities, such as tumor promotion. | | | Anatoxin-a and Anatoxin-a(s) seem unique to cyanobacteria, while saxitoxin also arise in certain marine algae. |
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http://www.wright.edu/biology/faculty/carmichael/labhome/research-r.htm
(414 words)
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| | Archaebacteria: Life On Mars? |
| | Colonies of cyanobacteria such as these are responsible for the deposition of calcareous layers known as stromatolites. | | | Orange-colored cyanobacteria generally occur in water that has cooled below 73 degrees Celsius (163 degrees F). | | | What is interesting about the Anza-Borrego stromatolites is that it enables scientists to study colonies of these cyanobacteria which are truly "living fossils." Stromatolites are important from an evolutionary standpoint because they are frequently the subject of scientific discussions about the origin of life on earth. |
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http://waynesword.palomar.edu/ploct97.htm
(5030 words)
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| | BBC News Sci/Tech The bacteria that changed the Earth |
| | So close has this relationship become that today we have forgotton that a widespread form of life on Earth is actually two forms of life working together. | | | Before the cyanobacteria evolved the Earth was a very different place from the world we know today. | | | In turn, the host cells used the energy-producing ability of the cyanobacteria and the two organisms began a symbiotic relationship of mutual benefit. |
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http://news.bbc.co.uk/low/english/sci/tech/newsid_411000/411814.stm
(417 words)
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| | Cryptobiotic Cyanobacteria :: Astrobiology Magazine :: Search for Life in the Universe |
| | As photosynthetic bacteria, cyanobacteria are believed by biologists to be among the first living organisms to colonize Earth. | | | The study showed the new microbial mats were taking up atmospheric nitrogen at a higher rate than mats in adjacent streambeds, increasing biomass productivity, she said. | | | The mats generally are orange or black and consist of 10 to 15 different species of cyanobacteria, she said. |
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http://www.astrobio.net/news/modules.php?op=modload&name=News&file=article&sid=1674
(661 words)
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| | MSN Encarta - Cyanobacteria |
| | Cyanobacteria, members of a group of photosynthetic prokaryotes single-celled organisms that lack an enclosed nucleus and other specialized cell... | | | Become a subscriber today and gain access to: |
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http://encarta.msn.com/encyclopedia_761574227/Cyanobacteria.html
(73 words)
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| | Cyanobacteria |
| | Annotation is provided by the cyanobacteria research community themselves. | | | This chapter is aimed at university students beginning their studies in biological sciences, and is designed to serve as an introduction to more advanced courses. | | | PCC 7120 is provided by The Institute of Genome Research (TIGR) as part of their "Predicting operons in microbial genomes" resource. |
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http://bioresearch.ac.uk/browse/mesh/D000458.html
(1222 words)
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