Sentences with phrase «for nitrogen fixation»

They contain chemical evidence for nitrogen fixation by microbes.

For more than a decade, a lone researcher has been building a case for nitrogen fixation by bacteria living in poplar leaves.

The researchers think volcanic lightning or the heat of ancient impacts on Mars» surface were responsible for nitrogen fixation on the Red Planet.

Not exact matches

His area of research — nitrogen fixation in legume plants — interested me, and his enthusiasm for his subject was inspiring.

The Brookhaven - made nitrogen isotope enabled direct quantification of biological nitrogen fixation and provided evidence for biological transport and metabolism by the host plant.

Nitrospinae bacteria, which use the nitrogen compound nitrite to «fix» inorganic carbon dioxide into sugars and other compounds for food and reproduction, are responsible for 15 to 45 percent of such carbon fixation in the western North Atlantic Ocean, researchers report in the...

But he points out the vast majority of ocean nitrogen fixation is still unaccounted for — a problem «that needs to be fixed.»

Based on the abundance of these cyanobacteria and the rate at which they gobble down radioactive nitrogen in the laboratory, the researchers estimate they account for about 10 % of nitrogen fixation in the ocean.

The biggest customer by a large margin, the colonial bacteria Trichodesmium, accounts for only one - tenth of known nitrogen fixation.

Applications considered in the process included bio-mining; nitrogen fixation by engineered crops; gene drive propagation in populations of invasive species; and engineered seeds and plants destined for distribution to the public.

Thus, in addition to the so - called «Haber - Bosch process of nitrogen fixation,» nitrogenase also stimulates a reaction corresponding to the «Fischer - Tropsch synthesis of hydrocarbons,» which can be used on a large scale to synthesize fuels, for instance from industrial waste gases..

The researchers found that the organisms turned on three genes for an enzyme called nitrogenase, which aids nitrogen fixation.

The enzyme responsible for natural nitrogen fixation is called nitrogenase.

Biological nitrogen fixation — where diazotrophic bacteria fix atmospheric nitrogen and convert it to ammonium — provides a free way for plants to alter and absorb the nutrient.

There have been many claims of nitrogen fixation in plants outside nodules where it was known to occur for more than a century.

This anthropogenic addition of nitrogen has reached a magnitude comparable to about half of global ocean nitrogen fixation (the natural process by which atmospheric nitrogen gas becomes a useful nutrient for organisms).

And if the cyanobacteria are growing in water short on iron, an essential nutrient for them, the slowdown in nitrogen fixation can overwhelm any positive growth effects from extra CO2.

Legumes are protein - rich and would provide relief for the deficit; they also increase the amount of nitrogen available to plants through biological nitrogen fixation, reducing the need for fertilisers.

Hence, increasing nitrogen fixation could improve overall plant productivity for farmers who grow legumes in both industrial and developing countries while diminishing or eliminating the need for nitrogen fertilizers.

Stroud argues that the moss - bacteria symbiosis may be as important for global nutrient cycles as the nitrogen fixation of legumes and their root nodule microbes (ScienceNOW, 5 September 2003).

1968 Robert Harza Burris for his continued contribution to knowledge of the metabolism of nitrogen and its fixation by plants

He is specialized in the ecology and diversity of cyanobacteria, other marine bacteria and microalgae, and known for his work on microbial mats and nitrogen fixation

Grain legumes provide an unparalleled solution to this problem because of their inherent capacity for symbiotic atmos - pheric nitrogen fixation, which provides economically sustainable advantages for farming.

The cyanobacteria tested in the laboratory tank are believed to be responsible for about half of all marine nitrogen fixation.

Recent projects have focused on understanding the controlling mechanisms for coccolithophore ecology, marine nitrogen fixation and the spread of anoxic conditions during Oceanic Anoxic Events of the Mesozoic.

«Then the bug pulls nitrogen from the air and uses the bioplastic, which is basically stored hydrogen, to drive the fixation cycle to make ammonia for fertilizing crops.»