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1st-generation ATP tests are derived from hygiene monitoring uses where samples are relatively free of interferences. 2nd-generation tests are specifically designed for water, wastewater and industrial applications where, for the most part, samples contain a variety of components that can interfere with the ATP assay.
The ATP Assay Concept is a well-known technique for determining the viability of cells using the assessment of ATP and a method known as "firefly luciferase". [ 5 ] Sodium-potassium ratio: Another kind of assay practices the examination of the ratio of potassium to sodium in cells to serve as an index of viability.
Most of the ATP synthesized in the mitochondria will be used for cellular processes in the cytosol; thus it must be exported from its site of synthesis in the mitochondrial matrix. ATP outward movement is favored by the membrane's electrochemical potential because the cytosol has a relatively positive charge compared to the relatively negative ...
The ability for a cell to dynamically measure energetic levels provides it with a method to monitor metabolic processes. [15] By continually monitoring and altering the levels of ATP and the other adenyl phosphates (ADP and AMP levels) adenylate kinase is an important regulator of energy expenditure at the cellular level. [16]
Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the DNA contained in a eukaryotic cell; most of the DNA is in the cell nucleus, and, in plants and algae, the DNA also is ...
MT-ATP6 (or ATP6) is a mitochondrial gene with the full name 'mitochondrially encoded ATP synthase membrane subunit 6' that encodes the ATP synthase F o subunit 6 (or subunit/chain A). This subunit belongs to the F o complex of the large, transmembrane F-type ATP synthase . [ 5 ]
A set of experiments aiming to test some tenets of the chemiosmotic theory – Ogawa S, Lee TM (August 1984). "The relation between the internal phosphorylation potential and the proton motive force in mitochondria during ATP synthesis and hydrolysis". The Journal of Biological Chemistry. 259 (16): 10004– 10011. doi: 10.1016/S0021-9258(18 ...
It thus appears that AMPK is a sensor of AMP/ATP or ADP/ATP ratios and thus cell energy level. [16] AMPK undergoes a large conformational change upon ATP binding. A region on the α subunit known as the kinase domain (KD) dissociates from its active-state conformation and loosely associates with the γ subunit ~100Å away.
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