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Cyanobacteria in Medical News

Researchers sharpen search for new marine medicines with novel techniques

...responsible for potential new drug products. Sea hares, for example, eat cyanobacteria (blue-green algae) and we know for a fact that they assimilate their chemis...n Diego team pinpointed clusters of known and unknown molecules from marine cyanobacteria and within a cross-section of a sponge, some of which have promising therap...

New research provides dynamic visualization of simplest circadian clock

...s blue-green algae. The essential components of the circadian oscillator in cyanobacteria are the three clock proteins KaiA, KaiB and KaiC, all of which are expresse...as implicated the phosphorylation cycle of KaiC as the central pacemaker in cyanobacteria and has demonstrated that the Kai proteins are repeatedly assembled and dis...

UCSD research team identifies novel anticancer drug from the sea

...ous tumors without toxic side effects. The ScA compound was found in the cyanobacteria L. Majuscula, also known as mermaids hair, gathered off the coast of Fiji i...rect impact on tumor cell proliferation. The compound isnt toxic to the cyanobacteria itself, but activates a death pathway, present in our cells, said Stupack. ...

Microbes as climate engineers

...rbon out of the atmosphere using microbes on land and in the sea. Methane-eating bacteria can be used to catch methane that is released from landfill, cyanobacteria could provide hydrogen fuel, and plankton have already become a feedstock for some biofuels. Microbes will continue as climate engineers long after...

EPA grant to UC engineering makes for a better environment

...a baseline understanding of how toxins produced by cyanobacteria (blue-green algae) can be changed by exposure to u...re agents. He explains that the toxins produced by cyanobacteria include hepatotoxins, neurotoxins and dermatotoxin...a). One objective of the program is to monitor for cyanobacteria in the Great Lakes, in the St. Johns River in Flor...
Cyanobacteria in Medical Dictionary

Toxins

... toxins , but its travaux préparatoires ... Includes cause, effects on people, distribution, scope of the problem, and prevention. ... species of cyanobacteria produce toxins that affect animals and ... Both toxins are zinc-dependent metalloproteases, which specifically cleave one ... of pore-forming ...

Circadian

...havioral processes of living entities, including plants, animals, fungi and cyanobacteria . The term " circadian ", coined by Franz Halberg,... A circ...havioral processes of living entities, including plants, animals, fungi and cyanobacteria . The term " circadian ", coined by Franz Halberg,... circad...
Cyanobacteria in Biological News

Plant Min protein sits tight and rescues E. coli

... no MinE. Instead another protein, known as DivIVA, tethers MinCD to cell poles, preventing division at the cell ends. Chloroplasts originated from cyanobacteria that colonised primitive plant cells, and the conservation of MinD, MinE and FtsZ genes in plants was already an indication of some conservation of fu...

Deep-sea rocks point to early oxygen on Earth

...phere 3.46 billion years ago as there is in today's atmosphere. To have this amount of oxygen, the Earth must have had oxygen producing organisms like cyanobacteria actively producing it, placing these organisms much earlier in Earth's history than previously thought. "Usually, we look at the remnant of what we...

Great Lake's sinkholes host exotic ecosystems

...ns for dead and decaying plant and animal matter and collect a soft black sludge of sediment topped by a bacterial film. In the oxygen-depleted water, cyanobacteria carry out photosynthesis using sulfur compounds rather than water and give off hydrogen sulfide, the gas associated with rotting eggs. Where the sinkh...

Plugging in molecular wires

... This release is available in German . Plants, algae, and cyanobacteria (blue-green algae) are masters of everything to do with solar energy because they are able to almost completely transform captured sunlight into chemi...

Phytoplankton cell membranes challenge fundamentals of biochemistry

...ll in the Sargasso Sea. In particular, small photosynthetic bacteria called cyanobacteria flourish in a place where nutrients like phosphorus are in as short supply ...horus and no nitrogen. Totally no nutrients at all." Van Mooy found that cyanobacteria aren't the only class of plankton building phosphate-free cell membrane lip...

Carnegie's Arthur Grossman receives Gilbert Morgan Smith medal

...ding basic mechanisms in photosynthetic organisms as well as their evolution. He has investigated metabolic processes and the acclimation of algae and cyanobacteria (formerly called blue-green algae) to changing environmental conditions, the diversity of genomes of photosynthetic microbes in hot spring mats and th...

Mysterious microbe plays important role in ocean ecology

... molecules. Because oxygen inhibits nitrogen fixation, most nitrogen-fixing cyanobacteria only fix nitrogen at night, or do it in specialized cells. The lack of phot... as did genes for both photosystems from the small numbers of contaminating cyanobacteria in the sample. Zehr said he plans to continue research on the new microb...

Mysterious microbe may play important role in ocean ecology

...n inhibits nitrogen fixation, most nitrogen-fixing cyanobacteria only fix nitrogen at night, or do it in specialize...ble to obtain a mostly pure sample of these unique cyanobacteria using a flow cytometer--a device that rapidly sort...team harvested DNA from the concentrated sample of cyanobacteria and sequenced it using the Genome Sequencer FLX sy...

Photosynthesizing bacteria with a day-night cycle contain rare chromosome

...a. It's extremely rare for bacteria to have a linear chromosome," said team leader Himadri Pakrasi from WUSTL. "Nearly 100 percent of them do not." cyanobacteria are unique among bacteria because they seem part plant-like and part microbe-like. They use the sun's energy to make sugar via photosynthesis like pla...

Cyanobacterium sequenced features rare linear chromosome

...he workings of this species that has the ability to produce ethanol and hydrogen, and thus some day become an inexpensive renewable energy source. cyanobacteria are the only known bacteria to have a circadian clock. By day, Cyanothece cells increase gene expression for photosynthesis and sugar production; a...
Cyanobacteria in Biological Technology

Synthetic Genomics Inc. and ExxonMobil Research and Engineering Company Sign Exclusive, Multi-Year Agreement to Develop Next Generation Biofuels Using Photosynthetic Algae

...ical energy producers in methods and scale not previously explored." Photosynthetic algae, which include microalgae (single celled algae) and cyanobacteria (most commonly known as blue-green algae) are organisms that are very efficient at utilizing the energy from sunlight to convert carbon dioxide into c...

New drugs faster from natural compounds: A UC San Diego breakthrough

...tools for sequencing nonribosomal peptides (at not cost to researchers) are available at: bix.ucsd.edu/nrp "This new study has shown that marine cyanobacteria are incredible sources of new molecules that may have medical value, especially in cancer, infectious diseases and neurological disorders," said Gerwi...
Cyanobacteria in Biological Definition

Alga

...y all appear to have acquired photosynthesis from cyanobacteria . All algae lack true leaves , roots , flowers...oups Prokaryotic algae Traditionally the cyanobacteria have been included among the algae, referred to a...ent treatises on algae specifically exclude them. cyanobacteria is one of the first groups of living things to app...

Bacterium

...errucomicrobia Chloroflexi Chrysiogenetes cyanobacteria Deferribacteres Deinococcus-Thermus Dicty...led Schizomycetes), except for the photosynthetic cyanobacteria , which were considered a group of algae (called...y species. The photolithoautotrophs include the cyanobacteria , which are some of the oldest organisms known fro...

Chlorophyll

... Chlorophyll Ancient Greek : chloros = green and phyllon = leaf. It is a green photosynthetic pigment found in plants , algae , and cyanobacteria . The first step in photosynthesis is when incoming light is absorbed by chlorophyll, ionizing it. The resulting chemical energy is then captured ...

Chloroplast

...called photosynthesis . Chloroplasts are one of the forms a plastid may take, and are generally considered to have originated as endosymbiotic cyanobacteria . In green plants chloroplasts are surrounded by two lipid bilayer membranes , now thought to correspond to the outer and inner membranes of the ance...

Endosymbiotic theory

...d to the rickettsias), and that the chloroplast evolved from endosymbiotic cyanobacteria (autotrophic prokaryotes). The evidence for this theory is compelling as a... of thylakoids and particular chlorophylls , is very similar to that of cyanobacteria . Phylogenies built with bacteria, chloroplasts, and eukaryotic genomes a...

Bacterium

...errucomicrobia Chloroflexi Chrysiogenetes cyanobacteria Deferribacteres Deinococcus-Thermus Dicty...led Schizomycetes), except for the photosynthetic cyanobacteria , which were considered a group of algae (called...y species. The photolithoautotrophs include the cyanobacteria , which are some of the oldest organisms known fro...

Eukaryote

...n, these have their own DNA and developed from endosymbiotes, in this case cyanobacteria . They usually take the form of chloroplasts , which like cyanobacteria contain chlorophyll and produce energy through photosynthesis . Others ...

Evolutionary tree

...eria Actinobacteria Aquificae Bacteroidetes / Chlorobi group Chlamydiae / Verrucomicrobia group Chloroflexi Chrysiogenetes cyanobacteria Deferribacteres Deinococcus-Thermus group Dictyoglomi Fibrobacteres / Acidobacteria group Firmicutes Fusobacteria Gemmatimona...

Photosynthesis

...lasts. Instead, photosynthesis takes place directly within the cell. The cyanobacteria contain chlorophyll and oxygen, in the same way that chloroplasts do - in ...n Neil in the 1930s, who studied photosynthetic bacteria. Aside from the cyanobacteria , they use reducing agents such as sulfide or hydrogen , so no oxygen is...

Lichen

...y the association of microscopic green algae or cyanobacteria and filamentous fungi . Lichens take the extern...ding a protective outer layer called the cortex . cyanobacteria may be held in small eruptions of or under the sur...ina pulchella gelatinous lichens, in which the cyanobacteria produce a polysaccharide that absorbs and retain...
Cyanobacteria in Biological Dictionary

Cyanobacteria

Cyanobacteria , also known as blue-green algae, blue-green bacteria or Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis. The name " cyanobacteria " comes from the color of the bacteria = blue).... One of the largest and most important groups ...

Symbiogenesis

...riginated with Konstantin Mereschkowsky in his 1926 book Symbiogenesis and the Origin of Species, which proposed that chloroplasts originate from cyanobacteria captured by a protozoan. Today both chloroplasts and mitochondria are believed to have such an origin;... Symbiogenesis Symbiogenesis is t...

Oscillatoria

... Oscillatoria is a genus of filamentous cyanobacteria which is named for the oscillation in its movemen...autii during in situ incubations. ... Antarctic cyanobacteria - taxa and samples from the Dry ... Oscillatoria ...chomes between 7-9.5 µm in width. ... Antarctic cyanobacteria - taxa and samples from the Dry Valleys, supported...

Nostoc

... Nostoc is a genus of fresh water cyanobacteria that forms spherical colonies composed of filamen...in it... Nostoc verrucosum is a species of cyanobacteria usually found in colonies and in globose racks. I...lopedia.com ... Nostoc A genus of filamentous cyanobacteria (section IV) ... Nostoc ... Encyclopedia art...

Monocistronic

... In contrast to the monocistronic clpPI gene, clpPII and clpPIII are part of two ... Including the monocistronic clpC, clpBI and clpBII genes, cyanobacteria appear ... In prokaryotes, transcription and translation of a single gene can occur simultaneously. ... We all know that eukaryotic gene...

Monera

...formation, facts, and pictures about Monera at Encyclopedia.com. ... Monera taxonomic kingdom that comprises the prokaryotes ( bacteria and cyanobacteria ) ... Monera are bacteria and other mostly tiny, single-celled organisms whose genetic ... of the kingdom Monera (or for that matter, whet...

Microbial mats

...ot springs of Yellowstone National Park. ... their intense physiological activity, microbial mats , are ideal study objects in ... ecology of cyanobacteria in microbial mats and other communities, New ... Purple Microbial Mats . A 'finger' collected on September 3 from the Middle ... Microbial...

Insertion sequences

... sequence ... Insertion Sequences show diverse recent activities in cyanobacteria and Archaea ... Mahillon J, Chandler M: Insertion sequences . ... ......emi-nested ... Insertion Sequences show diverse recent activities in cyanobacteria and Archaea. ... Distribution of recently active Insertion Sequence el...

Heterocyst

... heterocyst differentiation while having no effect on macromolecular synthesis. ... Research in S203-S205. Mechanism of heterocyst spacing in cyanobacteria ... 2. Resolution of contiguous differentiating cells into a single heterocyst ... Research in S203-S205. Mechanism of heterocyst spacing in...

Calcareous algae

...lgae . Hydrogenase. Jet Propellant-8 (JP-8) Lipids ... A list of edited books by Robert Riding ... Calcareous algae . ... Cambrian calcareous cyanobacteria and algae . ... ... a variety of shapes and calcareous forms of green algae (especially Halimeda spp. ... Calcareous red algae play an ...
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