Mitochondrial signal transduction

M Picard, OS Shirihai - Cell Metabolism, 2022 - cell.com
The analogy of mitochondria as powerhouses has expired. Mitochondria are living, dynamic,
maternally inherited, energy-transforming, biosynthetic, and signaling organelles that …

[HTML][HTML] Mitochondrial complex I ROS production and redox signaling in hypoxia

CN Okoye, SA Koren, AP Wojtovich - Redox biology, 2023 - Elsevier
Mitochondria are a main source of cellular energy. Oxidative phosphorylation (OXPHOS) is
the major process of aerobic respiration. Enzyme complexes of the electron transport chain …

Mitochondria regulate intracellular coenzyme Q transport and ferroptotic resistance via STARD7

S Deshwal, M Onishi, T Tatsuta, T Bartsch, E Cors… - Nature cell …, 2023 - nature.com
Coenzyme Q (or ubiquinone) is a redox-active lipid that serves as universal electron carrier
in the mitochondrial respiratory chain and antioxidant in the plasma membrane limiting lipid …

[HTML][HTML] Mitochondrial iron–sulfur clusters: Structure, function, and an emerging role in vascular biology

AD Read, RET Bentley, SL Archer, KJ Dunham-Snary - Redox biology, 2021 - Elsevier
Abstract Iron-sulfur (Fe–S) clusters are essential cofactors most commonly known for their
role mediating electron transfer within the mitochondrial respiratory chain. The Fe–S cluster …

[HTML][HTML] Generation of reactive oxygen species by mitochondria

P Hernansanz-Agustín, JA Enríquez - Antioxidants, 2021 - mdpi.com
Reactive oxygen species (ROS) are series of chemical products originated from one or
several electron reductions of oxygen. ROS are involved in physiology and disease and can …

Coenzyme Q biochemistry and biosynthesis

RM Guerra, DJ Pagliarini - Trends in biochemical sciences, 2023 - cell.com
Coenzyme Q (CoQ) is a remarkably hydrophobic, redox-active lipid that empowers diverse
cellular processes. Although most known for shuttling electrons between mitochondrial …

Carotid body chemoreceptors: physiology, pathology, and implications for health and disease

R Iturriaga, J Alcayaga, MW Chapleau… - Physiological …, 2021 - journals.physiology.org
The carotid body (CB) is the main peripheral chemoreceptor for arterial respiratory gases O2
and CO2 and pH, eliciting reflex ventilatory, cardiovascular, and humoral responses to …

Structural basis for a complex I mutation that blocks pathological ROS production

Z Yin, N Burger, D Kula-Alwar, D Aksentijević… - Nature …, 2021 - nature.com
Mitochondrial complex I is central to the pathological reactive oxygen species (ROS)
production that underlies cardiac ischemia–reperfusion (IR) injury. ND6-P25L mice are …

Hypoxia sensing requires H2S-dependent persulfidation of olfactory receptor 78

YJ Peng, J Nanduri, N Wang, GK Kumar… - Science …, 2023 - science.org
Oxygen (O2) sensing by the carotid body is critical for maintaining cardiorespiratory
homeostasis during hypoxia. Hydrogen sulfide (H2S) signaling is implicated in carotid body …

Lactate sensing mechanisms in arterial chemoreceptor cells

H Torres-Torrelo, P Ortega-Sáenz, L Gao… - Nature …, 2021 - nature.com
Classically considered a by-product of anaerobic metabolism, lactate is now viewed as a
fundamental fuel for oxidative phosphorylation in mitochondria, and preferred over glucose …