Search Results - "Reddi, Amit R"
-
1
Heme Mobilization in Animals: A Metallolipid’s Journey
Published in Accounts of chemical research (21-06-2016)“…Heme is universally recognized as an essential and ubiquitous prosthetic group that enables proteins to carry out a diverse array of functions. All…”
Get full text
Journal Article -
2
SOD1 Integrates Signals from Oxygen and Glucose to Repress Respiration
Published in Cell (17-01-2013)“…Cu/Zn superoxide dismutase (SOD1) is an abundant enzyme that has been best studied as a regulator of antioxidant defense. Using the yeast Saccharomyces…”
Get full text
Journal Article -
3
Paradoxical Roles of Antioxidant Enzymes: Basic Mechanisms and Health Implications
Published in Physiological reviews (01-01-2016)“…Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are generated from aerobic metabolism, as a result of accidental electron leakage as well as…”
Get full text
Journal Article -
4
Heme dynamics and trafficking factors revealed by genetically encoded fluorescent heme sensors
Published in Proceedings of the National Academy of Sciences - PNAS (05-07-2016)“…Heme is an essential cofactor and signaling molecule. Heme acquisition by proteins and heme signaling are ultimately reliant on the ability to mobilize labile…”
Get full text
Journal Article -
5
Sod1 integrates oxygen availability to redox regulate NADPH production and the thiol redoxome
Published in Proceedings of the National Academy of Sciences - PNAS (04-01-2022)“…Cu/Zn superoxide dismutase (Sod1) is a highly conserved and abundant antioxidant enzyme that detoxifies superoxide (O ) by catalyzing its conversion to…”
Get full text
Journal Article -
6
Regulation of intracellular heme trafficking revealed by subcellular reporters
Published in Proceedings of the National Academy of Sciences - PNAS (30-08-2016)“…Heme is an essential prosthetic group in proteins that reside in virtually every subcellular compartment performing diverse biological functions. Irrespective…”
Get full text
Journal Article -
7
Multiple prebiotic metals mediate translation
Published in Proceedings of the National Academy of Sciences - PNAS (27-11-2018)“…Today, Mg2+ is an essential cofactor with diverse structural and functional roles in life’s oldest macromolecular machine, the translation system. We tested…”
Get full text
Journal Article -
8
From Synthesis to Utilization: The Ins and Outs of Mitochondrial Heme
Published in Cells (Basel, Switzerland) (29-02-2020)“…Heme is a ubiquitous and essential iron containing metallo-organic cofactor required for virtually all aerobic life. Heme synthesis is initiated and completed…”
Get full text
Journal Article -
9
Extra-mitochondrial Cu/Zn superoxide dismutase (Sod1) is dispensable for protection against oxidative stress but mediates peroxide signaling in Saccharomyces cerevisiae
Published in Redox biology (01-02-2019)“…Cu/Zn Superoxide Dismutase (Sod1) is a highly conserved and abundant metalloenzyme that catalyzes the disproportionation of superoxide radicals into hydrogen…”
Get full text
Journal Article -
10
Probing in vivo Mn²⁺ speciation and oxidative stress resistance in yeast cells with electron-nuclear double resonance spectroscopy
Published in Proceedings of the National Academy of Sciences - PNAS (31-08-2010)“…Manganese is an essential transition metal that, among other functions, can act independently of proteins to either defend against or promote oxidative stress…”
Get full text
Journal Article -
11
Mitochondrial contact site and cristae organizing system (MICOS) machinery supports heme biosynthesis by enabling optimal performance of ferrochelatase
Published in Redox biology (01-10-2021)“…Heme is an essential cofactor required for a plethora of cellular processes in eukaryotes. In metazoans the heme biosynthetic pathway is typically partitioned…”
Get full text
Journal Article -
12
The overlapping roles of manganese and Cu/Zn SOD in oxidative stress protection
Published in Free radical biology & medicine (15-01-2009)“…In various organisms, high intracellular manganese provides protection against oxidative damage through unknown pathways. Herein we use a genetic approach in…”
Get full text
Journal Article -
13
Acylation of Superoxide Dismutase 1 (SOD1) at K122 Governs SOD1-Mediated Inhibition of Mitochondrial Respiration
Published in Molecular and cellular biology (01-10-2017)“…In this study, we employed proteomics to identify mechanisms of posttranslational regulation on cell survival signaling proteins. We focused on Cu-Zn…”
Get full text
Journal Article -
14
Exogenously Scavenged and Endogenously Synthesized Heme Are Differentially Utilized by Mycobacterium tuberculosis
Published in Microbiology spectrum (26-10-2022)“…Heme is both an essential cofactor and an abundant source of nutritional iron for the human pathogen Mycobacterium tuberculosis. While heme is required for M…”
Get full text
Journal Article -
15
Analysis of hypoxia and hypoxia-like states through metabolite profiling
Published in PloS one (12-09-2011)“…In diverse organisms, adaptation to low oxygen (hypoxia) is mediated through complex gene expression changes that can, in part, be mimicked by exposure to…”
Get full text
Journal Article -
16
One ring to bring them all and in the darkness bind them: The trafficking of heme without deliverers
Published in Biochimica et biophysica acta. Molecular cell research (01-01-2021)“…Heme, as a hydrophobic iron-containing organic ring, is lipid soluble and can interact with biological membranes. The very same properties of heme that nature…”
Get full text
Journal Article -
17
Handling heme: The mechanisms underlying the movement of heme within and between cells
Published in Free radical biology & medicine (01-03-2019)“…Heme is an essential cofactor and signaling molecule required for virtually all aerobic life. However, excess heme is cytotoxic. Therefore, heme must be safely…”
Get full text
Journal Article -
18
Human ribosomal G-quadruplexes regulate heme bioavailability
Published in The Journal of biological chemistry (30-10-2020)“…The in vitro formation of stable G-quadruplexes (G4s) in human rRNA was recently reported. However, their formation in cells and their cellular roles were not…”
Get full text
Journal Article -
19
Glyceraldehyde-3-phosphate dehydrogenase is a chaperone that allocates labile heme in cells
Published in The Journal of biological chemistry (14-09-2018)“…Cellular heme is thought to be distributed between a pool of sequestered heme that is tightly bound within hemeproteins and a labile heme pool required for…”
Get full text
Journal Article -
20
Heme Gazing: Illuminating Eukaryotic Heme Trafficking, Dynamics, and Signaling with Fluorescent Heme Sensors
Published in Biochemistry (Easton) (04-04-2017)“…Heme (iron protoporphyrin IX) is an essential protein prosthetic group and signaling molecule required for most life on Earth. All heme-dependent processes…”
Get full text
Journal Article