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Related Concept Videos

The Phosphorus Cycle01:21

The Phosphorus Cycle

43.6K
Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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Roles of Electrolytes: Calcium and Phosphate01:27

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Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
The calcium concentration in blood plasma is primarily...
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Phosphorylation01:02

Phosphorylation

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The addition or removal of phosphate groups from proteins is the most common chemical modification that regulates cellular processes. These modifications can affect the structure, activity, stability, and localization of proteins within cells as well as their interactions with other proteins.
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...
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Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

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Proteins undergo chemical modifications that trigger changes in the charge, structure, and conformation of the proteins. Phosphorylation, acetylation, glycosylation, nitrosylation, ubiquitination, lipidation, methylation, and proteolysis are various protein modifications that regulate protein activity. Such modifications are usually enzyme-driven.
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...
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Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

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Introduction to Electrolytes01:33

Introduction to Electrolytes

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In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
Role of Sodium
One...
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Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment
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Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

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A Quick Reference on Phosphorus.

Bernie Hansen1, Helio Autran de Morais2

  • 1Department of Clinical Sciences, North Carolina State University, Raleigh, NC, USA.

The Veterinary Clinics of North America. Small Animal Practice
|October 17, 2025
PubMed
Summary
This summary is machine-generated.

Phosphate is a vital mineral for metabolism and energy production, primarily stored in bones. Severe imbalances like hypophosphatemia or hyperphosphatemia often stem from specific medical conditions or treatments.

Keywords:
HemolysisHyperphosphatemiaHypophosphatemiaPhosphatePhosphorusRhabdomyolysis

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Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
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Area of Science:

  • Biochemistry
  • Human Physiology
  • Mineral Metabolism

Background:

  • Phosphate is an essential ion crucial for numerous metabolic processes.
  • It plays a key role in energy metabolism, particularly in adenosine triphosphate (ATP) production.
  • The majority of body phosphate is stored in bone as hydroxyapatite.

Purpose of the Study:

  • To summarize the role of phosphate in the human body.
  • To highlight the significance of phosphate in metabolic processes.
  • To identify common causes of phosphate imbalances.

Main Methods:

  • Literature review on phosphate metabolism.
  • Analysis of physiological roles of phosphate.
  • Identification of clinical conditions associated with phosphate dysregulation.

Main Results:

  • Phosphate is critical for ATP production and energy metabolism.
  • Bone serves as a major reservoir for phosphate.
  • Less than 1% of total body phosphate is readily available in extracellular fluid.
  • Intensive insulin therapy and refeeding syndrome are common causes of hypophosphatemia.
  • Renal failure is a primary cause of hyperphosphatemia.

Conclusions:

  • Phosphate is indispensable for cellular energy and metabolic functions.
  • Bone phosphate stores are crucial for maintaining extracellular homeostasis.
  • Understanding the causes of phosphate imbalances is vital for clinical management.