Sentences with phrase «cyanobacteria cells»
He took the filter papers back to his laboratory and measured the cyanobacteria cells, BMAA and other toxins stuck to them.
https://www.scientificamerican.com/ Not exact matches
«In its 4.6 billion years circling the sun, the Earth has harbored an increasing diversity of life forms: for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing ph - otosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, mammals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.»
for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing photosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, ma - mmals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.
«O2 is the waste product of photosynthesizing cells, like cyanobacteria, combining CO2 and water to build sugars.»
But something did change about 800 million years ago, and cyanobacteria and other minute organisms in continental margin ecosystems got more phosphorus, the backbone of DNA and RNA, and a main actor in cell metabolism.
Symbiogenesis recognizes that the mitochondria [the energy factories] in animal, plant, and fungal cells came from oxygen - respiring bacteria and that chloroplasts in plants and algae — which perform photosynthesis — came from cyanobacteria.
To make their case, the researchers first point to the 2016 discovery that Synechocystis cyanobacteria, single - celled organisms capable of photosynthesis, act like ocelli.
«This is probably because cyanobacteria are naturally photosynthetic — they're actually responsible for a large fraction of the photosynthesis in the ocean — and so whether the cell is energized or not is a good indication of whether it's day or night,» he says.
«These cyanobacteria use the entire cell body as a lens to focus an image of the light source at the cell membrane, as in the retina of an animal eye,» says University of London microbiologist Conrad Mullineaux, who helped to make the discovery.
Like cyanobacteria, these generally single - celled organisms draw energy through photosynthesis, with many living as symbionts inside coral.
According to Schopf, the fossils he found in Western Australia indicate that Earth's earliest inhabitants resembled cyanobacteria, single - celled organisms that turn sunlight into energy.
To remedy that absence, Golden's lab, along with plant physiologist Takao Kondo and colleagues at Nagoya University in Japan, developed an easy - to - read gauge of changing photosynthetic activity in colonies of the cyanobacterium Synechococcus, a blue - green alga whose one - celled organisms divide as often as once every 5 to 6 hours.
Biologist Willem Vermaas of Arizona State University recently engineered cyanobacteria to accumulate up to half their dry weight in fat; just by opening up the cells, he can harvest the stored fats and convert them, in a few simple steps, into biofuel.
Chisholm's group showed that when viruses known to attack cyanobacteria are mixed with the vesicles, the viruses attach to the vesicles and appear to infect them as if the vesicles were living cells.
The oceans comprise the world's largest ecosystem, and cyanobacteria — single - celled organisms that get their energy through photosynthesis — are the keystone group.
For most living cells that's a deadly cocktail, but while some bacteria in the rock died as they were pounded on by the harsh space environment, a colony of bugs known as OU - 20 (they were sent up by the UK's Open University) resembling the cyanobacteria genus Gloeocapsa survived.
«A particularly important observation was that cell components of cyanobacteria do not interfere with the catalytic activity,» Robert Kourist sums up the results of the study.
Using nondestructive neutron scattering techniques, scientists are examining how single - celled organisms called cyanobacteria produce oxygen and obtain energy through photosynthesis.
Endosymbiotic theory posits a later parallel origin of the chloroplasts; a cell ate a photosynthetic cyanobacterium and failed to digest it.
The cyanobacterium thrived in the cell and eventually evolved into the first chloroplast.
PCC 7002, a type of cyanobacteria — organisms that make building blocks for new cells out of air, water, and sunlight.
An international team of researchers has reported the complete genomic sequence of Anabaena, a cyanobacterium — or blue - green algae with beadlike cells.
Cyanobacteria — single - celled organisms also known as blue algae — are far more better at converting CO2 to useful energy than plants.
Foreign researchers honored as the 31st KIA laureates include: Prof. Eric Vivier (France) for his research on harnessing innate immunity against cancer; Prof. Jianfang Wang (Hong Kong, China) for his research on Colloidal Plasmonic Metal Nanocrystals; Prof. Majed Chergui (Switzerland) for his research on unravelling the fundamentals of solar; Prof. Katharina Gaus (Australia) for her research on Single molecule imaging of T cell receptor signaling; and Prof. Dr. Burkhard Büdel (Germany) for his research on Role of lichens and cyanobacteria in biological soil crusts.
Crusts symbioses of algae and cyanobacteria with fungi, bacteria, and many uncounted single celled organisms.
«In cyanobacteria, that answer seems to be especially simple — the clock proteins sense the metabolic activity in the cell.»
Whitings occur when the cyanobacteria fix atmospheric CO2 through the formation of CaCO3 on their cell surfaces which leads to precipitation to the ocean floor and subsequent entombment in mud.