Nitrogen fixation in molybdenum. Medical search. Frequent questions

The conversion of N 2 into ammonia occurs at a metal cluster called FeMoco, an abbreviation for the iron-molybdenum cofactor. (wikipedia.org)
Molybdenum is a cofactor for several enzymes involved in important biological processes, such as metabolism of amino acids, purines, and pyrimidines. (knowurherbs.com)
Finally, in another chapter, this same group reviews current knowledge on the biosynthesis of the unique iron-molybdenum cofactor found at the nitrogenase active site. (upm.es)
Molybdenum is a structural constituent of molybdopterin, a cofactor synthesized by the body and required for the function of four enzymes: sulfite oxidase, xanthine oxidase, aldehyde oxidase, and mitochondrial amidoxime reducing component (mARC). (lunicoristorante.it)
The main focus of this dissertation is to eliminate the structural uncertainties of one of the most complex iron-sulfur clusters, the iron-molybdenum cofactor of nitrogenase. (montana.edu)
The final work is a computational evaluation of the uncertain composition, charge, magnetic structure, and protonation state of the iron-molybdenum cofactor, based on a series of criteria defined by all available experimental data. (montana.edu)

Zinc, iron, manganese, copper, and boron decrease in solubility and availability, whereas molybdenum solubility and availability increase through the pH 4 to 7 range. (msstate.edu)
At a pH of 5 to 5.5, certain plants may experience both manganese toxicity and molybdenum deficiency. (msstate.edu)

Fertile soil will contain all major nutrients for basic plant nutrition such as nitrogen, phosphorus, and potassium as well as other nutrients needed in small quantities such as calcium, magnesium, sulfur, iron, and zinc. (geographypoint.com)

R. P. Axler, R. M. Gersberg and C. R. Goldman, "Stimulation of Nitrate Uptake and Photosynthesis by Molybdenum in Castle Lake, California," Canadian Journal of Fisheries and Aquatic Science, Vol. 37, No. 4, 1980, pp. 707-712. (scirp.org)
Required by photoautotrophs (including zooxanthellae) for photosynthesis and nitrogen assimilation (nitrate reduction, nitrogen fixation). (asap-aquarium.com)
Iron-sulfur proteins are found in all forms of life, performing key functions in many of the most important biological processes, such as nitrogen fixation, respiration, DNA repair, and photosynthesis. (montana.edu)

This synthetic nitrogen fixation-conversion of nitrogen gas into more reactive nitrogen compounds like ammonia-requires high temperature (400-600 degrees Celsius) and high pressure (100-200 atmospheres) to synthesize ammonia from nitrogen and hydrogen gases, consuming huge quantities of energy. (u-tokyo.ac.jp)
The chemical elements most prominent in building the structures of the molecules of life are carbon, hydrogen, oxygen, nitrogen, phosphorous and sulfur, sometimes represented mnemonically as CHONPS. (gsu.edu)
The HB process works by reacting atmospheric nitrogen (N 2 ) with hydrogen gas (H 2 ) at high temperatures and pressures (600 °C and 200 atm) to produce NH 3 3 . (nature.com)
Hydrogen nitrogen and oxygen metabolism of isolated heterocysts from Anabaena sp. (icfre.org)
Pure molybdenum was produced for the first time at the beginning of the 20th century by reducing molybdenum trioxide (MoO 3) with hydrogen. (lunicoristorante.it)

Molybdenum deficiency is rare in humans because the human body requires only a small amount of this mineral. (knowurherbs.com)
However, a few rare genetic disorders can cause severe molybdenum deficiency. (knowurherbs.com)
In addition, certain medications and medical conditions can interfere with the body's ability to absorb or use molybdenum, potentially leading to deficiency. (knowurherbs.com)
However, people who consume diets that are very low in molybdenum (for example, those based on highly processed foods) may be at risk of deficiency. (knowurherbs.com)
Symptoms specific to Molybdenum deficiency are not very well known as it is very rare in humans. (knowurherbs.com)
However, it is believed that a deficiency in molybdenum can cause a range of health problems related to the enzymes that rely on molybdenum to function properly. (knowurherbs.com)
It is important to note that these symptoms are not specific to molybdenum deficiency and can be caused by other nutrient deficiencies or health conditions. (knowurherbs.com)
Therefore, it is recommended to consult a healthcare professional if you suspect a deficiency in molybdenum or any other nutrient. (knowurherbs.com)
Molybdenum is related to nitrogen, so its deficiency may resemble the one of these macronutrients. (cultifort.com)
Molybdenum-deficiency symptoms show up as a general yellowing and stunting of the plant. (cropnutrition.com)
1st YEAR J. Am.  STANLEY SAMUEL Soil Phosphorus Fixation Chemistry and Role of Phosphate Solubilizing Bacteria in Enhancing its Efficiency for Sustainable Cropping-A review The crop manager must deal with each of these factors to avoid crop phosphorus deficiency. (chicagoindesignusergroup.com)
Cobalt: used for nitrogen fixation, same as nitrogen deficiency signs (stunted growth). (aquascape.ae)

Different concentrations of Mo and Co were found to induce high root nodules, nitrogenase activity and nitrogen fixing bacteria. (scialert.net)
Nitrogen fixation is carried out naturally in soil by microorganisms termed diazotrophs that include bacteria, such as Azotobacter, and archaea. (wikipedia.org)
Some nitrogen-fixing bacteria have symbiotic relationships with plant groups, especially legumes. (wikipedia.org)
The discovery of the role of nitrogen fixing bacteria by Herman Hellriegel and Herman Wilfarth in 1886-8 would open a new era of soil science. (wikipedia.org)
The bacteria enrich the wood substrate with nitrogen through fixation, thus enabling deadwood decomposition by fungi. (wikipedia.org)
In order to fix nitrogen efficiently, certain bacteria need sufficient quantities of the element molybdenum. (reasons.org)
Here, the purple sulfur bacteria use solar energy to oxidize sulfide - and fix nitrogen. (scitechdaily.com)
Now, researchers at the Max Planck Institute for Marine Microbiology in Bremen have shown that under similarly barren conditions as in the Proterozoic ocean, a previously underappreciated group of bacteria can fix nitrogen very efficiently. (scitechdaily.com)
Purple sulfur bacteria in freshwater Lake Cadagno (upper panels, in green and purple), and their single-cell nitrogen fixation activity measured with nanoSIMS (lower panels, warm colors indicate high activity). (scitechdaily.com)
Using a combination of biogeochemical and molecular analyses, Philippi and colleagues discovered that the purple sulfur bacteria in Lake Cadagno fix nitrogen very efficiently. (scitechdaily.com)
To our knowledge, this is the first direct evidence of nitrogen fixation by purple sulfur bacteria in nature," explained co-author Katharina Kitzinger. (scitechdaily.com)
We thus provide the first indication that purple sulfur bacteria may have been partly responsible for nitrogen fixation in the Proterozoic ocean," Philippi continued. (scitechdaily.com)
We also measured N 2 -fixation rates via 15 N 2 isotopic enrichment and identified potential N 2 -fixing bacteria using available literature and genomic information. (biomedcentral.com)
Mo is vital for the process of symbiotic nitrogen (N) fixation by Rhizobia bacteria in legume root modules. (pulcutarim.com)
Nitrogen gas (N2) is the most abundant molecule in the atmosphere, but it can only be directly used as nutrient by a relatively small number of bacteria that can synthesize the metalloenzyme nitrogenase. (upm.es)

Biological nitrogen fixation or diazotrophy is an important microbe-mediated process that converts dinitrogen (N2) gas to ammonia (NH3) using the nitrogenase protein complex (Nif). (wikipedia.org)
Biological nitrogen fixation was discovered by Jean-Baptiste Boussingault in 1838. (wikipedia.org)
citation needed] Biological nitrogen fixation (BNF) occurs when atmospheric nitrogen is converted to ammonia by a nitrogenase enzyme. (wikipedia.org)
Quantifying human impacts on the nitrogen (N) cycle and investigating natural ecosystem N cycling depend on the magnitude of inputs from natural biological nitrogen fixation (BNF). (usgs.gov)
Three CBGP groups participate in comprehensive two-volume set Biological Nitrogen Fixation. (upm.es)
Interest in biological nitrogen fixation is rising, as an alternative to the overuse of chemical nitrogen fertilizers that have severe environmental and economical costs. (upm.es)
Three CBGP groups have participated in the elaboration of a two-volume set of books entitled Biological Nitrogen Fixation, directed to emphasize the molecular techniques and advanced biochemical analysis approaches applicable to biological nitrogen fixation. (upm.es)
The long-term goal of nitrogenase research is to understand all of the molecular-level details that enable biological nitrogen fixation, which may lead to alternatives to the fossil fuel-reliant, high temperature and pressure Haber-Bosch process for industrial nitrogen fixation. (montana.edu)
The results show that the [Mo IV -2Fe II -5Fe III -9S ²- -C ⁴-] composition with hydroxyl-protonated homocitrate ligand is favored over the [Mo IV -4Fe II -3Fe III -9S ²- -N ³- ] composition preferred in the literature, adding new context to the many proposed mechanisms for biological nitrogen fixation. (montana.edu)
Biological nitrogen fixation (BNF) performed by moss‐associated cyanobacteria is one of the main sources of new nitrogen (N) input in pristine, high‐latitude … How to Correct High Phosphorus Levels in Soil. (chicagoindesignusergroup.com)
High rates of biological nitrogen fixation (BNF) are commonly reported for tropical forests, but most studies have been conducted in regions that receive substantial inputs of molybdenum (Mo) from atmospheric dust and sea-salt aerosols. (chicagoindesignusergroup.com)

These enzymes contain iron, often with a second metal, usually molybdenum but sometimes vanadium. (wikipedia.org)
Nitrogen fixation by Azotobacter as influenced by molybdenum and vanadium. (ncaim.hu)
Effects of vanadium and tungsten on the nitrogen fixing cyanobacterium Nostoc linckia . (icfre.org)

For every 100 atoms of carbon, roughly 2 to 20 atoms of nitrogen are assimilated. (wikipedia.org)
The atomic ratio of carbon (C) : nitrogen (N) : phosphorus (P) observed on average in planktonic biomass was originally described by Alfred Redfield, who determined the stoichiometric relationship between C:N:P atoms, The Redfield Ratio, to be 106:16:1. (wikipedia.org)
Symbiotic nitrogen- (N) fixing trees can influence multiple biogeochemical cycles by fixing atmospheric N, which drives net primary productivity and soil carbon (C) and N accumulation, as well as by mobilizing soil phosphorus (P) and other nutrients to support growth and metabolism. (usgs.gov)
Effect of different carbon sources on growth and nitrogen fixation in Nostoc linckia . (icfre.org)
Deliver to your crops the precise nitrogen-to-sulfur ratio it needs to thrive, as well as the carbon and micronutrients it desires to grow strong and healthy. (solutions4earth.com)
Halo Max is an acidic liquid nitrogen fertilizer with 21-0-0 plus 4 percent sulfur featuring multi-sourced carbon, chelated micronutrients and a surfactant. (solutions4earth.com)
Halo Max combines nitrogen, sulfur, carbon and micronutrients to feed plant roots as well as microorganisms in the soil. (solutions4earth.com)
What our paper shows is that in order for soils to lock away more carbon as carbon dioxide rises, there has to be quite a bit of extra nitrogen available-far more than what is normally available in most ecosystems," said Hungate of NAU's Merriam-Powell Center for Environmental Research. (nau.edu)
The paper notes that various plants can pump nitrogen from the air into soils, and some researchers expected rising carbon dioxide to speed up this natural nitrogen pump, providing the nitrogen needed to store soil carbon. (nau.edu)
However, the research team found that this process, called nitrogen fixation, cannot keep up with increasing carbon dioxide unless other essential nutrients, such as potassium, phosphorus and molybdenum, are added as fertilizers. (nau.edu)

Additional nutrient and soil chemical issues remain important, although farmers understandably focus on nitrogen and phosphorus, because additions of these nutrients are commonly needed in order to maintain crop productivity, large quantities are normally used, and both have potential for environmental problems, additional nutrient and soil chemical issues remain important. (sare.org)
Secondary nutrients are not as necessary for plant growth as nitrogen, phosphorus, and potassium, but they can still play an important role in plant health. (geographypoint.com)
Some nitrogen and other nutrients are immediately taken up by plants, but much is stored in the soil. (solutions4earth.com)
Combined with the release of stored nutrients and the right nitrogen-to-sulfur ratio allows your crops to reach their potential. (solutions4earth.com)

In 1901 Beijerinck showed that Azotobacter chroococcum was able to fix atmospheric nitrogen. (wikipedia.org)
This is reviewed by members of the group "Biochemistry of Nitrogen Fixation" using the free-living diazotroph Azotobacter vinelandii as model. (upm.es)

A priori, we would not expect nitrogen to become limiting because cyanobacteria and other nitrogen fixing organisms can utilize the vast supply of N2 gas to produce ammonia (SCHINDLER 1977). (usu.edu)
Until now, it was generally assumed that cyanobacteria carried out most of the nitrogen fixation then. (scitechdaily.com)

This includes nitrogen, phosphorus and potassium. (geographypoint.com)
In the 0-30 cm soil depth, SOM, total nitrogen (N), available phosphorus (P), exchangeable potassium (K) and pH varied significantly throughout the cultivation period. (researchgate.net)
Several materials supply Mo and can be mixed with nitrogen (N), phosphorus (P) and potassium (K) fertilizers applied as foliar sprays or used as a seed treatment. (cropnutrition.com)

For example, nitrogen-fixing plants, such as legumes, do not need as much nitrogen as other plants. (geographypoint.com)
Involved in nitrogen metabolism, essential in nitrogen fixation by legumes. (biologydiscussion.com)

In many lakes phosphorus often controls phytoplankton production (SCHINDLER 1977), but numerous freshwater and marine systems are frequently limited by supplies of nitrogen or micronutrients. (usu.edu)
Molybdenum becomes more available as soil pH goes up, the opposite of most other micronutrients. (cropnutrition.com)
Nitrogen, sulfur and micronutrients improve yield. (solutions4earth.com)

Molybdenum is present in very small amounts in the body, and is required for the proper functioning of enzymes that are involved in a number of important metabolic processes, including the metabolism of amino acids and the conversion of nitrate to nitrite. (knowurherbs.com)
Molybdenum is also involved in the production of energy and the metabolism of fats and carbohydrates. (knowurherbs.com)
The key role of molybdenum in the plant is due to its contribution to redox reactions, being part of many oxidoreductases, enzymes, essential systems in plant metabolism. (cultifort.com)

Looser non-symbiotic relationships between diazotrophs and plants are often referred to as associative, as seen in nitrogen fixation on rice roots. (wikipedia.org)
The protracted investigations of the relation of plants to the acquisition of nitrogen begun by Saussure, Ville, Lawes and Gilbert and others culminated in the discovery of symbiotic fixation by Hellriegel and Wilfarth in 1887. (wikipedia.org)

Molybdenum is also recovered as a by-product of copper and tungsten mining operations. (lanl.gov)
Copper plays a role in the fixation of nitrogen, which indirectly aids in improving fruit quality and size. (plantbiotechs.com)

Secondly, iron, a component of the nitrogenase enzyme system, has been indicated to limit N2 fixation in lakes (WURTSBAUGH & HORNE 1983, WURTSBAUGH et al. (usu.edu)
However, it has not yet been clarified who carried out this so-called nitrogen fixation on early Earth and with the help of which enzyme. (scitechdaily.com)
We discovered that they use the most common enzyme in present-day, molybdenum nitrogenase, to do so. (scitechdaily.com)
For example, molybdenum is a necessary component of the enzyme xanthine oxidase, which converts purines to uric acid, a waste product excreted by the kidneys. (knowurherbs.com)
It is part of the nitrogenase enzyme, essential in the biological fixation of nitrogen. (cultifort.com)
Molybdenum in its content is required for the synthesis and activity of the enzyme nitrate reductase. (pulcutarim.com)
Molybdenum (Mo) is a trace element found in the soil and is required for the synthesis and activity of the enzyme nitrate reductase. (cropnutrition.com)

Molybdenum (Mo) is essential for nitrogen fixation and nitrate assimilation, so it is an indispensable mineral for plants. (ufrgs.br)

Many nitrogen-fixing organisms exist only in anaerobic conditions, respiring to draw down oxygen levels, or binding the oxygen with a protein such as leghemoglobin. (wikipedia.org)
The main source of oceanic molybdenum originates from weathering of continental crust in the presence of abundant oxygen. (reasons.org)
Thus, it appears that during the two-billion-year period after the first oxidation event, both geological and biological processes were transforming Earth's atmosphere and oceans from an oxygen-poor, molybdenum-poor condition to one with growing supplies of both elements. (reasons.org)

Conversely, molybdenum is insoluble in low pH soils, and deficiencies often occur. (msstate.edu)
As a result, the soils where they live are "fertilized" with combined nitrogen species that can be used by plants to grow. (upm.es)
BIOLOGICAL FIXATION PHOSPHORUS SOILS OF IN Soil phosphorus adsorbed by plants is, in part, converted into organic compounds of phosphorus. (chicagoindesignusergroup.com)
In soils with low solution phosphorus concentration and high phosphorus fixation, slow diffusion may seriously limit the ability of roots to obtain sufficient phosphorus. (chicagoindesignusergroup.com)

The Technical and Research Committee on Reclamation PHOSPHORUS FIXATION CHARACTERISTICS OF VALLEY MINE TAILINGS by Coleen Hackinen ABSTRACT Phosphorus is often a limiting plant nutrient and, when applied as fertilizer, may be "fixed" in forms unavailable to plants. (chicagoindesignusergroup.com)

Atmospheric nitrogen is inaccessible to most organisms, because its triple covalent bond is very strong. (wikipedia.org)
A joint group of University of Tokyo researchers and their collaborators designed and synthesized a new molybdenum-dinitrogen complex, and succeeded in converting nitrogen gas directly into ammonia at room temperature and normal atmospheric pressure by using this complex as a catalyst. (u-tokyo.ac.jp)
Molybdenum is also involved in nitrogen fixation in plants, a process that converts atmospheric nitrogen into a form that can be used by plants. (knowurherbs.com)

I. C. Romero, N. J. Klein, S. A. Sanudo-Wilhelmy and D. G. Capone, "Potential Trace Metal Co-Limitation Controls on N2 Fixation and NO3-Uptake in Lakes with Varying Trophic Status," Frontiers in Microbiology, Vol. 4, No. 54, 2013. (scirp.org)
Thirdly, the uptake of molybdenum, another metal necessary for nitrogenase, has been suggested to limit fixation in an estuarine system (HOWARTH & COLE 1985). (usu.edu)

We studied the effect of molybdenum (Mo) concentration on transcription and translation of a putative Mo-storage protein (Mop) in the freshwater heterocystous cyanobacterium, Nostoc sp. (scirp.org)
Cyanobacterial nitrogen fixation: non heterocystous and non- nitrogen -fixing mutants of Nostoc linckia , Phykos, 23: 222-231. (icfre.org)
Effect of different amino acids on growth and nitrogen fixation in Nostoc linckia . (icfre.org)
Effects of sodium, molybdenum and phosphate on growth and nitrogen fixation in Nostoc linckia . (icfre.org)

All biological reactions involving the process of nitrogen fixation are catalyzed by enzymes called nitrogenases. (wikipedia.org)
Molybdenum-containing enzymes also play a role in detoxifying harmful compounds, such as sulfites, which are commonly found in processed foods and can cause allergic reactions in some people. (knowurherbs.com)
Molybdenum may play a role in maintaining healthy bones, as it is involved in the activation of enzymes that are necessary for bone formation. (knowurherbs.com)
This is a genetic disorder that affects the body's ability to use molybdenum to make important enzymes. (knowurherbs.com)

Nitrogen fixation is a chemical process by which molecular nitrogen (N 2), which has a strong triple covalent bond, is converted into ammonia (NH 3) or related nitrogenous compounds, typically in soil or aquatic systems but also in industry. (wikipedia.org)
The protein complex nitrogenase is responsible for catalyzing the reduction of nitrogen gas (N2) to ammonia (NH3). (wikipedia.org)
Therefore, ammonia, as a nitrogen source, is produced industrially from nitrogen gas through a method called the Haber-Bosch process. (u-tokyo.ac.jp)
Through a chemical reaction between nitrogen gas at normal pressure, and an electron source (reductant) and a proton source, the scientists formed ammonia at room temperature in the presence of the complex as a catalyst. (u-tokyo.ac.jp)
As expected, this molybdenum-dinitrogen complex has a longer life and produces ammonia more rapidly than others reported so far. (u-tokyo.ac.jp)
Our research group including Aya Eizawa, a graduate student, produced ammonia from nitrogen gas efficiently under mild reaction conditions using a novel molybdenum-dinitrogen complex designed for high catalytic performance for ammonia synthesis,' says Nishibayashi. (u-tokyo.ac.jp)
We address the low selectivity problem faced by the electrochemical nitrogen (N 2 ) reduction reaction (NRR) to ammonia (NH 3 ) by exploiting the Mars-van Krevelen (MvK) mechanism on two-dimensional (2D) Ti 2 N nitride MXene. (nature.com)
Halo Max's low pH helps neutralize water and soil bicarbonates, reducing the potential loss of ammonia nitrogen, which is key where low quality irrigation water is used. (solutions4earth.com)

It provides the right nitrogen-to-sulfur ratio, which is critical for strong crop growth and reproduction. (solutions4earth.com)

Greenhouse and field experiments were conducted to study the effect of Molybdenum (Mo) or Cobalt (Co) on lentil pathogens ( Rhizoctonia solani and Fusarium oxysporum ) and nitrogen fixation compared with fungicide Rizolex T50. (scialert.net)

Nitrogen atoms are abundant in the atmosphere in the form of nitrogen gas, but the gas does not readily engage in chemical reactions and cannot be used as a direct source of nitrogen. (u-tokyo.ac.jp)
Nitrogen is not abundant on the Earth, but is crucial in life processes. (gsu.edu)
Many of the more complex single-celled organisms and most of the multicellular organisms must transform the abundant nitrogen in the atmosphere into a more usable form-a process referred to as "nitrogen fixation. (reasons.org)

The combination of manure with the medium fertilizers rate has also resulted in high denitrification levels, while the soil nitrogen fixation activity has restored only at flowering stage. (frontiersin.org)

Nitrogen fixation is essential to life because fixed inorganic nitrogen compounds are required for the biosynthesis of all nitrogen-containing organic compounds, such as amino acids and proteins, nucleoside triphosphates and nucleic acids. (wikipedia.org)
Nitrogen is vital for all forms of life: It is part of proteins, nucleic acids, and other cell structures. (scitechdaily.com)

Nitrogen fixation is the conversion of nitrogen gas, which is not very reactive, into nitrogen compounds that many organisms can use, for example, algae. (scitechdaily.com)

For these very reasons, it is imperative to find a replacement, or complementary, process to the traditional HB process, and one such possibility comes in the form of the electrochemical nitrogen reduction reaction (NRR). (nature.com)

Molybdenum sulfide is useful as a lubricant, especially at high temperatures where oils would decompose. (lanl.gov)

Since molybdenum is found in many different foods, deficiencies caused by inadequate dietary intake are rare. (knowurherbs.com)

The highest doses of mineral fertilizers, N 120 P 120 K 120 , substantially affected the denitrification process and reduced the nitrogen fixation activity (in 1.9-2.2 times). (frontiersin.org)
Used on the mineral fertilizers background inoculation has activated nitrogen fixation and has ensured the decrease of denitrification levels, subject to the fertilization background. (frontiersin.org)

The study aim was to evaluate the potential nitrogen fixation and denitrification in the rhizosphere soil of potato plants, crop yield and output quality in response to the different fertilization systems and the inoculation with Azospirillum brasilense 410. (frontiersin.org)
Evaluation of different doses and times from application of nitrogen, and methods of positioning of phosphorus on the yield of the maize in Zamorano (Honduras). (unizar.es)
Evaluation of the effect of dose of nitrogen using urea and ammonium sulphate on the yield of the maize in Zamorano. (unizar.es)
Lime and nitrogen fertilization effect on yield and profit of common bean. (unizar.es)

This is because there is only very little molybdenum in the water - just as in the Proterozoic ocean, which has led researchers to believe that non-molybdenum nitrogenases prevailed on early Earth. (scitechdaily.com)

Experiments by Bossingault in 1855 and Pugh, Gilbert & Lawes in 1887 had shown that nitrogen did not enter the plant directly. (wikipedia.org)
Molybdenum is essential for plant foliage health. (lanl.gov)
Nitrogen is essential for plant growth. (geographypoint.com)
These questions are not unique to the study of moss microbiomes, but the important role of bacterial N 2 -fixation makes the moss microbiome a useful model system for simultaneously studying plant-microbe associations and how these associations influence N cycling in high-latitude systems. (biomedcentral.com)
Background: The importance of molybdenum for plant growth is disproportionate with respect to the absolute amounts required by most plants. (lunicoristorante.it)

J. Glass, A. Poret-Peterson, F. Wolfe-Simon and A. Anbar, "Molybdenum Limitation Induces Expression of the Molybdate-Binding Protein Mop in a Freshwater Nitrogen-Fixing Cyanobacterium," Advances in Microbiology , Vol. 3 No. 6A, 2013, pp. 9-15. (scirp.org)
W. B. Silvester, "Molybdenum Limitation of Asymbiotic nitrogen Fixation in Forests of Pacific Northwest America," Soil Biology and Biochemistry, Vol. 21, No. 2, 1989, pp. 283-289. (scirp.org)
Four hypotheses have been suggested to account for the limitation of nitrogen fixation in aquatic systems. (usu.edu)

Growth and decomposition of roots in situ facilitated increased solubility and hence phosphorus fixation quenching in the soil. (chicagoindesignusergroup.com)

Pacific salmon acquire most of their biomass in the ocean before returning to spawn and die in coastal streams and lakes, thus providing subsidies of marine‐derived nitrogen (MDN) to freshwater and terrestrial ecosystems. (usgs.gov)

Nitrogen and phosphorus support the growth of algae and aquatic plants, which provide food and habitat for fish, shellfish and smaller organisms that live in water. (chicagoindesignusergroup.com)

Nitrogen is also used in the synthesis of some vitamins. (zdlconsulting.ch)

Molybdenum is important for the nitrogen fixation process. (geographypoint.com)
Biological N2 fixation is an energetically expensive process, and consequently, it is tightly regulated to avoid the loss of valuable resources. (upm.es)
Biological process: nitrogen fixation. (expasy.org)
The Molybdenum Process Flowsheet In the crushing department, which is designed for 8-hour per day operation, a heavy duty apron feeder, with plenty of length for picking purposes, starts the ore on its way. (lunicoristorante.it)
A hybrid electrochemical process with Ca(ClO) 2 addition for simultaneous sludge dewaterability, stabilization and phosphorus fixation was proposed. (chicagoindesignusergroup.com)

milk and cheese contain small amounts of molybdenum. (knowurherbs.com)
Both nitrogen and phosphorus are needed by plants in large amounts, and both can cause environmental harm when present in excess. (chicagoindesignusergroup.com)

Biologically, molybdenum as a trace element is necessary for nitrogen fixation and other metabolic processes. (lanl.gov)

Nitrogen is an essential element for living things included in proteins and other biological molecules. (u-tokyo.ac.jp)

1985). RUETER (1982) has suggested that N2 fixation in the oceans may also be limited by iron. (usu.edu)
I first demonstrate that algal growth in these systems is directly limited by supplies of nitrogen, and then show that phosphorus, iron and molybdenum may all be important in regulating nitrogen fixation. (usu.edu)
The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein. (expasy.org)

It is also the first known diazotroph, species that use diatomic nitrogen as a step in the complete nitrogen cycle. (wikipedia.org)

Yet the researchers found that the oceans contained far less molybdenum compared to current values until roughly 600 million years ago when the first multicellular animals explosively appeared in the fossil record. (reasons.org)

In the current study, the research group of Professor Yoshiaki Nishibayashi at the University of Tokyo's Graduate School of Engineering working with the group led by Professor Kazunari Yoshizawa at Kyushu University's Institute for Materials Chemistry and Engineering developed a new molybdenum-dinitrogen complex-in particular, the team conceived and successfully engineered a complex having a structure that binds strongly with metal atoms which does not easily decompose as a catalyst. (u-tokyo.ac.jp)

Now we know that molybdenum nitrogenase works very efficiently, even at low molybdenum concentrations. (scitechdaily.com)

Molybdenum is an essential trace mineral that plays important roles in various enzymatic reactions within the human body. (knowurherbs.com)

Nitrogen is also used to make chlorophyll, which is the green pigment that allows plants to photosynthesize. (geographypoint.com)

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