Field Mitochondrial Measurement
Field Mitochondrial Measurement - Related Videos
08:54
Development of a Mobile Mitochondrial Physiology Laboratory for Measuring Mitochondrial Energetics in the Field
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Cited by 2 •
2021
We designed and constructed a mobile laboratory to measure respiration rates in isolated mitochondria of wild animals captured at field locations. Here, we describe the design and outfitting of a mobile mitochondrial laboratory and the associated laboratory protocols.
15:09
The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
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Cited by 22 •
2012
Fibroblasts from patients carrying mutations in Parkinson's disease-causing genes represent an easily accessible ex vivo model to study disease-associated phenotypes. Live cell imaging gives the opportunity to study morphological and functional parameters in living cells. Here we describe the preparation of human fibroblasts and subsequent monitoring of mitochondrial phenotypes.
08:43
Simultaneous Measurement of Mitochondrial Calcium and Mitochondrial Membrane Potential in Live Cells by Fluorescent Microscopy
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Cited by 29 •
2017
Mitochondria can utilize the electrochemical potential across their inner membrane (ΔΨm) to sequester calcium (Ca2+), allowing them to shape cytosolic Ca2+ signaling within the cell. We describe a method for simultaneously measuring mitochondria Ca2+ uptake and ΔΨm in live cells using fluorescent dyes and confocal microscopy.
02:09
Measurement of Multiple Mitochondrial Parameters in Neurons using Flow Cytometry
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2025
This video demonstrates the labeling of neuronal cells with antibodies for mitochondrial respiratory chain complexes, mitochondrial DNA-associated protein, and mitochondrial outer membrane protein, followed by flow cytometry to quantify their levels.
12:22
Ratiometric Biosensors that Measure Mitochondrial Redox State and ATP in Living Yeast Cells
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Cited by 46 •
2013
We describe the use of two ratiometric, genetically encoded biosensors, which are based on GFP, to monitor mitochondrial redox state and ATP levels at subcellular resolution in living yeast cells.
FAQs
Different mitochondrial indicators capture different dimensions of energy metabolism. Oxygen consumption reflects respiratory activity, whereas ATP production indicates energy generation. Membrane potential provides information about the electrical state supporting mitochondrial function, and redox activity can show how oxidation-related processes change. Using more than one indicator helps distinguish altered respiratory output from broader changes in mitochondrial condition.
Controlled temperature and sampling conditions make measurements more comparable across organisms, locations, or collection times. Environmental variation can influence mitochondrial activity independently of the biological factor being studied, so consistent handling helps researchers interpret differences as responses to stress, exercise, nutrition, disease, or habitat rather than uncontrolled sampling effects.
Mitochondrial measurements provide a cellular basis for interpreting how organisms meet energy demands in changing conditions. Differences in oxygen consumption, ATP production, membrane potential, or redox activity can be examined alongside environmental stress, exercise, nutrition, disease, or habitat. This connection helps biology researchers investigate physiological adaptation rather than viewing mitochondrial responses in isolation.
Field mitochondrial measurement can combine portable respirometry, biochemical assays, and fluorescence-based measurements. Portable respirometry supports assessment of oxygen consumption, while biochemical assays can examine ATP production or related indicators. Fluorescence-based measurements can assess membrane potential or redox activity. The selected approach depends on which aspect of mitochondrial abundance, structure, or function the study aims to quantify.
This approach is useful when researchers need data from organisms or samples studied under natural or changing habitat conditions. It can examine mitochondrial responses associated with environmental stress, exercise, nutrition, or disease without restricting observations to conventional laboratory settings. The resulting measurements help relate cellular energy metabolism to physiological performance in the environments where organisms actually function.
Comparing mitochondrial measurements across environmental conditions can show how cellular energy systems respond to changing habitats or other biological challenges. Researchers may use oxygen consumption, ATP production, membrane potential, or redox activity to identify differences in mitochondrial performance. These results provide evidence linking cellular responses with organism-level performance and improve biological understanding of adaptation in natural settings.