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cobalt metabolism in plants

Plant Nutrient | Beneficial Elements

Plant Nutrient | Beneficial Elements

The only physiological role so far definitely attributed to cobalt in higher plants has been in nitrogen fixation by leguminous plants (3).

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Copper and cobalt accumulation in plants: a critical assessment …

Copper and cobalt accumulation in plants: a critical assessment …

38 plants. Accumulation of foliar Cu and Co to >300 μg g-1 is exceptionally rare globally, and 39 known principally from the Copperbelt of Central Africa. Cobalt accumulation is also 40 observed in a limited number of Ni hyperaccumulator plants occurring41

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Cobalt

Cobalt

affect the growth and metabolism of plants. In some low-Co conditions, a small increase in Co stimulates growth for both simple algae and higher plants. However, high Co concentrations can become toxic to plants. Cobalt is actively absorbed by roots as Co2+

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Cobalt in plants and soil

Cobalt in plants and soil

Cobalt Cobalt is a trace element in plants (it has not been proven to be essential for plant life). It is a component of a number of enzymes and increases the drought resistance of seeds. In legumes, cobalt is important for nitrogen fixation by the bacteria that ...

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Cobalt in plants and soil

Cobalt in plants and soil

Cobalt Cobalt is a trace element in plants (it has not been proven to be essential for plant life). It is a component of a number of enzymes and increases the drought resistance of seeds. In legumes, cobalt is important for nitrogen fixation by the bacteria that ...

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[PDF] THE RELATIONSHIP OF COBALT REQUIREMENT TO …

[PDF] THE RELATIONSHIP OF COBALT REQUIREMENT TO …

Cobalt is known to be essential for symbiotic nitrogen fixation by legumes (l-5), but a requirement of the element for growth of leguminous plants supplied with adequate fixed nitrogen has not been shown. Ahmed and Evans (3) provided evidence that cobalt was required for the bacteria within the nodules of inoculated legumes but was not required for the leguminous plants per se. Lowe, Evans ...

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Cobalt Toxicity Effects on Growth and Metabolism of …

Cobalt Toxicity Effects on Growth and Metabolism of …

Visible effects of excess cobalt (Co) manifested on tomato at 0.5 mM Co, after 3 days of metal supply to 40 day old plants. The symptoms of excess cobalt diffused chlorosis of young leaves from base and later necrotic spots appeared on chlorotic areas.

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Cobalt in plants and soil

Cobalt in plants and soil

Cobalt Cobalt is a trace element in plants (it has not been proven to be essential for plant life). It is a component of a number of enzymes and increases the drought resistance of seeds. In legumes, cobalt is important for nitrogen fixation by the bacteria that ...

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Phytotoxicity and bioavailability of cobalt to plants in a …

Phytotoxicity and bioavailability of cobalt to plants in a …

Phytotoxicity and bioavailability of cobalt to plants in a range of soils. Li HF(1), Gray C, Mico C, Zhao FJ, McGrath SP. Author information: (1)Soil Science Department, Rothamsted Research, West Common, Harpenden, Herts, UK.

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Plant Nutrient | Beneficial Elements

Plant Nutrient | Beneficial Elements

Senescence in lettuce leaf in the dark is retarded by cobalt, which acts by arresting the decline of chlorophyll, protein, RNA and, to a lesser extent, DNA. The activities of RNAase and protease, and tissue permeability were decreased, while the activity of catalase increased (84).

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Effects of cobalt on plants

Effects of cobalt on plants

Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil. Cobalt

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Cobalt in biology and biochemistry.

Cobalt in biology and biochemistry.

This book is essentially a compilation of analytical data concerning the distribution of cobalt in animals, plants, microorganisms, water and soil, together with an extensive bibliography up to 1974-75. Three chapters tabulate cobalt content of soils, fertilizers and ...

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A critical review on toxicity of cobalt and its bioremediation …

A critical review on toxicity of cobalt and its bioremediation …

 · Cobalt is not relegated as an essential element for plants. Nevertheless, it is usually distinguished as a beneficial element having role in certain biochemical and physiological processes of plants. Higher levels of Co in soil causes toxic impacts on plants that are reflected in their morphology as well as physiology [ 79, 80, 81] (Table 2).

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Effects of cobalt on plants

Effects of cobalt on plants

Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil. Cobalt

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Plant Nutrient | Beneficial Elements

Plant Nutrient | Beneficial Elements

Cobalt Metabolism in Plants Interactions between cobalt and several essential enzymes have been demonstrated in plants and animals. Two metal-bound intermediates formed by CO 2+ activate ribulose-1,5 bisphosphate carboxylase/ oxygenase (EC 4.1.1.39).

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Cobalt

Cobalt

affect the growth and metabolism of plants. In some low-Co conditions, a small increase in Co stimulates growth for both simple algae and higher plants. However, high Co concentrations can become toxic to plants. Cobalt is actively absorbed by roots as Co2+

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COBALT IN BIOLOGY AND BIOCHEMISTRY

COBALT IN BIOLOGY AND BIOCHEMISTRY

effect on the metabolism of micro-organisms in soils, plants, and animals. The cobalt cycle in nature differs from the familiar carbon and nitrogen cycles by the absence of a gaseous phase, but an examination of its otherwise analogous features reveals many ...

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Copper and cobalt accumulation in plants: a critical assessment …

Copper and cobalt accumulation in plants: a critical assessment …

38 plants. Accumulation of foliar Cu and Co to >300 μg g-1 is exceptionally rare globally, and 39 known principally from the Copperbelt of Central Africa. Cobalt accumulation is also 40 observed in a limited number of Ni hyperaccumulator plants occurring41

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THE BIOSYNTHESIS OF STABLE COBALTO-PROTEINS BY …

THE BIOSYNTHESIS OF STABLE COBALTO-PROTEINS BY …

INTERACTION OF IRON AND COBALT METABOLISM IN NEUROSPORA CRASSA THE BIOSYNTHESIS OF STABLE COBALTO-PROTEINS BY PLANTS. II. INTERACTION OF IRON AND COBALT METABOLISM IN NEUROSPORA CRASSA Full Record ...

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Cobalt metabolism and toxicology--a brief update

Cobalt metabolism and toxicology--a brief update

Cobalt metabolism and toxicology are summarized. The biological functions of cobalt are updated in the light of recent understanding of cobalt interference with the sensing in almost all animal cells of oxygen deficiency (hypoxia).

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Role of Cobalt in Plants: Its Stress and Alleviation | …

Role of Cobalt in Plants: Its Stress and Alleviation | …

Several metals modulate and monitor growth in addition to physiological as well as biochemical processes in plants. Out of these, some of the heavy metals are substantial environmental pollutants and produce toxic effects which create ecological havoc. When present in iota amounts, metals such as copper (Cu), cobalt (Co), manganese (Mn), chromium (Cr) and zinc (Zn) are essential to plant ...

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Biological roles of the elements

Biological roles of the elements

Also influences metabolism, replication and transcription of nucleic acids, and decreases the content of corticosteroids in plasma. Toxic in some forms. cobalt 27 5 Essential to the metabolism of all animals, as a key constituent of cobalamin, also known as .

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Copper and cobalt accumulation in plants: a critical …

Copper and cobalt accumulation in plants: a critical …

Cobalt accumulation is also observed in a limited number of nickel (Ni) hyperaccumulator plants occurring on ultramafic soils around the world. None of the putative Cu or Co hyperaccumulator plants appears to comply with the fundamental principle of hyperaccumulation, as foliar Cu–Co accumulation is strongly dose‐dependent.

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Cobalt

Cobalt

affect the growth and metabolism of plants. In some low-Co conditions, a small increase in Co stimulates growth for both simple algae and higher plants. However, high Co concentrations can become toxic to plants. Cobalt is actively absorbed by roots as Co2+

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Plant nutrition

Plant nutrition

At least 17 elements are known to be essential nutrients for plants. In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the macronutrients relatively small amounts, the soil supplies iron, manganese, boron, molybdenum, copper, zinc, chlorine, and cobalt, the so-called micronutrients.

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Effect of cobalt on Plants | Open Library

Effect of cobalt on Plants | Open Library

Cobalt, Cobalt in animal nutrition, Cobalt in the body, Effect of cobalt on, Metabolism, Physiological effect ..., Plants Places None found. People None found. Times None found. Prolific Authors who have written the most books on this subject, 1 book Lists ...

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THE BOTANICAL REVIEW

THE BOTANICAL REVIEW

Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil.

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Cobalt metabolism and toxicology—A brief update

Cobalt metabolism and toxicology—A brief update

 · Cobalt metabolism and toxicology are summarized. The biological functions of cobalt are updated in the light of recent understanding of cobalt interference with the sensing in almost all animal cells of oxygen deficiency (hypoxia). Cobalt (Co 2 +) stabilizes the transcriptional activator hypoxia-inducible factor (HIF) and thus mimics hypoxia and stimulates erythropoietin (Epo) production, but ...

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The metabolism of cobalt in lambs.

The metabolism of cobalt in lambs.

Two groups of wether lambs were fed on the cobalt-deficient ration previously used (Abst. 2993, Vol. 20). This consisted of a hay of low Co content, powdered whole milk and shelled yellow maize. After 7 months one group received 1 mg. Co as the chloride daily for ...

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Cobalt metabolism and toxicology--a brief update. | …

Cobalt metabolism and toxicology--a brief update. | …

Cobalt metabolism and toxicology are summarized. The biological functions of cobalt are updated in the light of recent understanding of cobalt interference with the sensing in almost all animal cells of oxygen deficiency (hypoxia).

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Effects of cobalt on plants

Effects of cobalt on plants

Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil. Cobalt

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Cobalt metabolism and toxicology--a brief update. | …

Cobalt metabolism and toxicology--a brief update. | …

Cobalt metabolism and toxicology are summarized. The biological functions of cobalt are updated in the light of recent understanding of cobalt interference with the sensing in almost all animal cells of oxygen deficiency (hypoxia).

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[PDF] THE RELATIONSHIP OF COBALT REQUIREMENT TO …

[PDF] THE RELATIONSHIP OF COBALT REQUIREMENT TO …

Cobalt is known to be essential for symbiotic nitrogen fixation by legumes (l-5), but a requirement of the element for growth of leguminous plants supplied with adequate fixed nitrogen has not been shown. Ahmed and Evans (3) provided evidence that cobalt was required for the bacteria within the nodules of inoculated legumes but was not required for the leguminous plants per se. Lowe, Evans ...

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Effects of cobalt on plants | SpringerLink

Effects of cobalt on plants | SpringerLink

 · Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil. Cobalt interacts with …

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COBALT IN BIOLOGY AND BIOCHEMISTRY

COBALT IN BIOLOGY AND BIOCHEMISTRY

effect on the metabolism of micro-organisms in soils, plants, and animals. The cobalt cycle in nature differs from the familiar carbon and nitrogen cycles by the absence of a gaseous phase, but an examination of its otherwise analogous features reveals many ...

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Cobalt''s Role In Plants : Dyna-Gro

Cobalt''s Role In Plants : Dyna-Gro

Cobalt (Co) is an element which is not commonly thought to play as crucial of a role in the health of a plant. However, cobalt is one of the elements which is classified as an essential micronutrient. Cobalt is intimately involved in many different processes of […]

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Plant Nutrient | Beneficial Elements

Plant Nutrient | Beneficial Elements

The mineral elements in plants as ions or as constituents or organic molecules are of importance in plant metabolism. Iron, copper, and zinc are prosthetic groups in certain plant enzymes. Magnesium, manganese, and cobalt may act as inhibitors or as activators. Cobalt may compete with ions in the biochemical reactions of several plants (66,67).

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functions and deficiency symptoms of cobalt in plants

functions and deficiency symptoms of cobalt in plants

However, cobalt is one of the elements which is classified as an essential micronutrient. plants and has been found to improve the quality of certain crops. if a plant is lacking in a particular nutrient, characteristic symptoms may appear.

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Cobalt in biology and biochemistry.

Cobalt in biology and biochemistry.

This book is essentially a compilation of analytical data concerning the distribution of cobalt in animals, plants, microorganisms, water and soil, together with an extensive bibliography up to 1974-75. Three chapters tabulate cobalt content of soils, fertilizers and ...

Get price
Metabolic Functions of Cobalt in Plants

Metabolic Functions of Cobalt in Plants

 · Metabolic Functions of Cobalt in Plants

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