Sentences with word «huxleyi»

But after the researchers raised one strain of the Emiliania huxleyi coccolithophore for over 700 generations, which took about 12 months, under high temperature and acidified conditions that are expected for the oceans 100 years from now, the organisms had no trouble producing their plated shells.

The four - winged, chicken - size dinosaur Anchiornis huxleyi lived during the Jurassic period in China.

A unique long - term experiment with the species Emiliania huxleyi at GEOMAR Helmholtz Centre for Ocean Research Kiel shows that the evolutionary potential of the algae is much greater than previously thought.

Using the coccolithophore Emiliana huxleyi the researchers were able to determine the salinity of the Northern Aegean Sea some 11,000 to 5,000 years ago.

Since Emiliania huxleyi cells divide about once a day at the laboratory, a large number of genetically identical starting cultures were obtained from the isolate.

Functional categorization of the upregulated putative transcripts in Emiliania huxleyi grown under future ocean conditions at the 215 generation point.

The study was initiated by isolating a single cell of Emiliania huxleyi from the Raunefjord in Norway.

Unicellular calcifying algae such as Emiliania huxleyi play an important role in the transport of carbon to the deep ocean.

But after the researchers raised one strain of the Emiliania huxleyi coccolithorphore for over 700 generations, which took about 12 months, under high temperature and acidified conditions that are expected for the oceans 100 years from now, the organisms had no trouble producing their plated shells.

As part of the research projects SOPRAN (Surface Ocean Processes in the Anthropocene) and BIOACID (Biological Impacts of Ocean Acidification) the KOSMOS system was deployed in the Raunefjord at the west coast of Norway, were blooms of Emiliania huxleyi regularly occur in late spring.

«If Emiliania huxleyi fails to maintain its important role, other, possibly non-calcifying, organisms take over.

«Ocean acidification: The limits of adaptation: World's longest laboratory experiment with the single - celled calcifying alga Emiliania huxleyi reveals that evolutionary adaptation to acidification is restricted.»

Single - celled calcifying algae such as Emiliania huxleyi store carbon dioxide in their calcium carbonate platelets (Coccoliths).

The calcifying alga Emiliania huxleyi produces a considerable amount of biomass and calcium carbonate, supports the ocean's function as a carbon dioxide sink and releases a climate - cooling gas.

In a laboratory experiment, Emiliania huxleyi showed its ability to adapt to ocean acidification through evolution.

Emiliania huxleyi increases calcification but not expression of calcification - related genes in long - term exposure to elevated temperature and pCO2 Benner, Ina; Diner, Rachel; Lefebvre, Stephane; Li, Dian; Komada, Tomoko; Carpenter, Edward; Stillman, Jonathon

Genes putatively related to calcification (e.g. calcium and inorganic carbon transport, H + transport and carbonic anhydrases) have been identified via gene expression studies comparing calcifying and non-calcifying E. huxleyi cells [25 — 29], or in short - term experiments where calcification was regulated by limitation of ions needed for calcification (i.e. Ca2 +, HCO3 − / CO32 − [26,30,31]-RRB-.

Now, an international team of researchers has found chemical evidence of melanosome preservation in fossilized dinosaur feathers, using evidence from a specimen of Anchiornis huxleyi.

In the late 1980s, scientists on both sides of the Atlantic began large - scale, multidisciplinary studies that started with Emiliania huxleyi and expanded to include the global, long - term dynamics among coccolithophorids, dinoflagellates, and diatoms.

The animal, known to science as Anchiornis huxleyi (named in honour of Thomas Huxley, an early advocate of Darwin's ideas) is an older species than Archaeopteryx by some 10 million years, being dated to the lateJurassic period, c. 151 - 161 millions years ago.

Enter Anchiornis huxleyi.

«Even though the experiment was conducted under laboratory conditions, it clearly shows the high potential for evolutionary adaptation in an oceanic microbe such as Emiliania huxleyi,» Lothar Schlüter, first author and PhD student at GEOMAR, points out.

In an unprecedented evolution experiment scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel and the Thünen Institute of Sea Fisheries have demonstrated for the first time, that the single most important calcifying algae of the world's oceans, Emiliania huxleyi, can adapt simultaneously to ocean acidification and rising water temperatures.

In 2012, evolutionary ecologists at GEOMAR showed for the first time that Emiliania huxleyi is able to adapt to ocean acidification by means of evolution.

The coccoliths of one species, Emiliania huxleyi — named after Huxley — reflect sunlight, turning thousands of square miles of water white or aqua.

Pull a bucket of water from anywhere in any ocean and several million specimens of Emiliania huxleyi (top left) could very well be floating inside.

This is an image of the coccolithophore, Emiliania huxleyi, taken by lead author Ina Benner using the San Francisco State University FE - Scanning Electron Microscope.

In 2009, a European team published their research on the tiny circular plankton Emiliania huxleyi, made up of light - reflecting mineralized calcium ovals.

Several studies have shown that this also holds true for Emiliania huxleyi, the world's most abundant and most productive calcifying organism.

The ocean floor is richly abundant in tiny fossils of the calcified algae species Emiliania huxleyi.

«Emiliania huxleyi's potential for adaptation is still lower than initially expected.

In an unprecedented evolutionary experiment, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel and the Thünen Institute of Fisheries Ecology demonstrated that the most important single - celled calcifying alga of world's oceans, Emiliania huxleyi, is only able to adapt to ocean acidification to a certain extent.

According to Yale Univ., Anchiornis huxleyi, a feathered dinosaur that lived during the late Jurassic period in China, sported gray plumage, a reddish Mohawk and white feathers on its wings and legs, which ended in black tips.

The phytoplankton also include the single - celled calcareous algae, coccolithophores such as Emiliania huxleyi.

Laboratory and field studies have shown that elevated carbon dioxide concentrations stimulate Emiliania huxleyi's photosynthesis, but its calcification and growth is impaired.

The single - celled calcifying alga that his research focuses on is called Emiliania huxleyi.

What if we have to manage without the benefits that Emiliania huxleyi has for the marine ecosystem?

The genus Coccolithovirus is a recently discovered group of viruses that infect the globally important marine calcifying microalga Emiliania huxleyi.

Scientists of the Helmholtz Centre for Ocean Research Kiel (GEOMAR) conducted a one year CO2 selection experiment using the calcifying microalgae Emiliania huxleyi and uncovered an enormous potential for adaptation to rapidly changing environments in this important phytoplankton species.

Calcification was even lower than in today's cells from Emiliania huxleyi.

High levels of solar radiation offset impacts of ocean acidification on calcifying and non-calcifying strains of Emiliania huxleyi.