Atp Concentration
Atp Concentration - Related Videos
01:31
ATP Yield
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2019
Cellular respiration produces 30 - 32 ATP per glucose molecule. Although most of the ATP results from oxidative phosphorylation and the electron transport chain (ETC), 4 ATP are gained beforehand (2 from glycolysis and 2 from the citric acid cycle). The ETC is embedded in the inner mitochondrial membrane and is comprised of four main protein complexes and an ATP synthase. NADH and FADH2 pass electrons to these complexes, which pump protons into the intermembrane space. This distribution of...
08:32
The ATP Bioluminescence Assay
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2023
In fireflies, the luciferase enzyme converts a compound called luciferin into oxyluciferin, and produces light or “luminescence” as a result. This reaction requires energy derived from ATP in order to proceed, so researchers have exploited the luciferase-luciferin interaction to gauge ATP levels in cells. Given ATP’s role as the cell’s currency of energy, the ATP bioluminescence assay can provide insight into cellular metabolism and overall cell health.In this video, JoVE discusses cellular...
01:08
Hydrolysis of ATP
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2019
The bonds of adenosine triphosphate (ATP) can be broken through the addition of water, releasing one or two phosphate groups in an exergonic process called hydrolysis. This reaction liberates the energy in the bonds for use in the cell—for instance, to synthesize proteins from amino acids. If one phosphate group is removed, a molecule of ADP—adenosine diphosphate—remains, along with inorganic phosphate. ADP can be further hydrolyzed to AMP—adenosine monophosphate—by the removal of a second...
08:09
Mapping the Binding Site of an Aptamer on ATP Using MicroScale Thermophoresis
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Cited by 12 •
2017
MicroScale Thermophoresis (MST) is a sensitive technology to characterize aptamer-target interactions. This manuscript describes an MST protocol to characterize aptamer-small molecule interactions.
02:56
An ATP Utilization Assay for Determining Bacterial Survival Under Antibiotics Treatment
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2025
This video describes the simple ATP-measuring assay using luciferase glow reagent. This assay is used to quantify Neisseria gonorrhoeae survival after treatment with ceftriaxone.
FAQs
ATP concentration reflects the net result of opposing cellular processes. Glycolysis and oxidative phosphorylation produce ATP, whereas hydrolysis consumes it to support transport, movement, and biosynthesis. When production and consumption remain balanced, the measured concentration represents the cell’s current energy status. Changes therefore indicate that metabolic supply or energy demand has shifted.
ATP hydrolysis releases energy that cells can couple to essential work, including transport, movement, and biosynthesis. This consumption links ATP availability to functional activity rather than treating concentration as an isolated measurement. A sample with altered ATP concentration may therefore reflect changes in how actively cells are performing energy-dependent processes.
Glycolysis and oxidative phosphorylation are metabolic pathways that help maintain ATP. Their contribution forms one side of the production-consumption balance that determines the measured concentration. Examining ATP alongside cellular conditions can help researchers assess changes in energy metabolism, including whether a treatment or stress condition has altered the cell’s ability to sustain its energy supply.
Cellular stress can change the relationship between ATP production and consumption, making ATP concentration a useful indicator of the resulting energy state. Measuring this change helps researchers evaluate how cells respond to stress or treatment. The outcome can connect a metabolic response with broader effects on viability, activity, or biological function.
Researchers measure ATP concentration using biochemical assays or luminescence-based assays applied to cells, tissues, or other biological samples. These approaches provide a quantitative basis for comparing energy status across experimental conditions. The resulting measurements can be used to examine metabolic activity and determine whether a treatment or stress response is associated with altered ATP levels.
ATP concentration assays help assess both cell viability and metabolic activity because ATP reflects the balance between production and energy use. Comparing assay results among samples can show whether cells maintain their energy status under different conditions. This makes the measurements useful for evaluating biological responses without limiting interpretation to a single metabolic pathway.
In biology research, ATP concentration measurements support investigations of disease mechanisms, drug effects, and energy metabolism. Researchers can compare samples or conditions to identify changes in cellular energy status associated with a disease process or treatment. These results help connect metabolic alterations with effects on viability, activity, and cellular responses.