Bioenergetics is the study of energy flow and transformation in biological systems, focusing on how cells acquire, convert, store, and utilize energy to drive metabolic processes. It encompasses the thermodynamics and kinetics of biochemical reactions, including ATP synthesis, redox reactions, and proton motive force generation across biological membranes. Central topics include oxidative phosphorylation, photosynthetic energy conversion, substrate-level phosphorylation, and the coupling of catabolic and anabolic pathways. Bioenergetics provides quantitative frameworks (e.g., Gibbs free energy, redox potentials, chemiosmotic theory) to analyze how cellular structures such as mitochondria, chloroplasts, and bacterial membranes support energy transduction and maintain nonequilibrium steady states required for life.
A collaborative study from the University of Cologne has uncovered how a key mitochondrial protein, AIFM1 (Apoptosis-Inducing Factor Mitochondria-Associated 1), acts as a central hub in the regulation of cellular energy production.
Cell & Microbiology
Jun 27, 2025
0
70
Scientists at the University of Western Australia and the Perron Institute for Neurological and Translational Science have made a breakthrough in understanding how cells in our body respond to physical activity and exercise.
Cell & Microbiology
Jun 26, 2025
1
266
In the jungle of microbes living in your gut, there's one oddball that makes methane. This little-known methane-maker might play a role in how many calories you absorb from your food, according to a new study from Arizona ...
Cell & Microbiology
Jun 11, 2025
0
151
Mitochondria supply the body with the energy currency adenosine triphosphate (ATP), which drives all bodily activities. For ATP production, the mitochondria consume around 95% of the oxygen inhaled. This process takes place ...
Cell & Microbiology
Jun 10, 2025
0
110
The very first cells obtained their energy from geochemical reactions. LMU researchers have now managed to recreate this ancient metabolic process in their laboratory.
Astrobiology
Apr 30, 2025
0
115
Prebiotic molecules central to life's earliest metabolic processes—chemical reactions in cells that change food into energy—may have been born in deep space long before Earth existed, according to new research from the University ...
Astrobiology
Apr 22, 2025
0
118
When we need to recharge, we might take a vacation or relax at the spa. But what if we could recharge at the cellular level, fighting against aging and disease with the microscopic building blocks that make up the human body?
Bio & Medicine
Sep 20, 2024
0
290
Entropy is often associated with disorder and chaos, but in biology it is related to energy efficiency and is closely linked to metabolism, the set of chemical reactions that sustain life.
Bio & Medicine
Mar 6, 2024
0
108
Mitochondria are microscopic organelles found within cells, and are by far the largest producer of the molecule adenosine triphosphate (ATP), which provides energy to many processes in living cells. The process by which mitochondria ...
Bio & Medicine
May 10, 2023
0
183
The imbalance between dietary intake and output that results from metabolic disorders like obesity disrupts energy homeostasis. Despite significant advances in understanding the pathogenesis of these metabolic disorders, ...
Bio & Medicine
Mar 1, 2023
0
92
