Results 71 to 80 of about 11,485 (176)

Heme Oxygenase-1: A Critical Link between Iron Metabolism, Erythropoiesis, and Development

open access: yesAdvances in Hematology, 2011
The first mature cells to arise in the developing mammalian embryo belong to the erythroid lineage. This highlights the immediacy of the need for red blood cells during embryogenesis and for survival.
Stuart T. Fraser   +3 more
doaj   +1 more source

Widespread Distribution and Functional Specificity of the Copper Importer CcoA: Distinct Cu Uptake Routes for Bacterial Cytochrome c Oxidases

open access: yesmBio, 2018
Cytochrome c oxidases are members of the heme-copper oxidase superfamily. These enzymes have different subunits, cofactors, and primary electron acceptors, yet they all contain identical heme-copper (CuB) binuclear centers within their catalytic subunits.
Bahia Khalfaoui-Hassani   +7 more
doaj   +1 more source

Maternal and infant gut microbiome

open access: yesiMeta, EarlyView.
The maternal–infant continuum involves critical windows of host–microbiota co‐adaptation. Preconception, maternal and paternal microbiomes modulate immunity and reproduction. During pregnancy, a gut–placenta axis emerges, where microbial metabolites influence fetal growth or contribute to complications like gestational diabetes mellitus (GDM ...
Huidi Wang   +25 more
wiley   +1 more source

Heme homeostasis and its regulation by hemoproteins in bacteria

open access: yesmLife
Heme is an important cofactor and a regulatory molecule involved in various physiological processes in virtually all living cellular organisms, and it can also serve as the primary iron source for many bacteria, particularly pathogens.
Yingxi Li, Sirui Han, Haichun Gao
doaj   +1 more source

Mitochondrial Iron Transport and Homeostasis in Plants

open access: yesFrontiers in Plant Science, 2013
Iron (Fe) is an essential nutrient for plants and although the mechanisms controlling iron uptake from the soil are relatively well understood, comparatively little is known about subcellular trafficking of iron in plant cells.
Anshika eJain, Erin L Connolly
doaj   +1 more source

L-ferritin binding to scara5: a new iron traffic pathway potentially implicated in retinopathy. [PDF]

open access: yesPLoS ONE, 2014
Iron is essential in the retina because the heme-containing enzyme guanylate cyclase modulates phototransduction in rods and cones. Transferrin endocytosis is the classical pathway for obtaining iron from the blood circulation in the retina. However, the
Luísa Mendes-Jorge   +10 more
doaj   +1 more source

Binuclear Copper‐Dependent Oxidative Enzymes Involved in Fungal Natural Product Modifications

open access: yesJournal of the Chinese Chemical Society, EarlyView.
This article summarizes recent biochemical characterizations of a new enzyme family named by the authors as binuclear copper‐dependent oxidative enzymes (BiNCOs). Found in fungal natural product biosynthesis, BiNCOs catalyze diverse CH functionalization reactions, including C(sp3)H halogenation, C(sp3)H hydroxylation, C(sp3)O macrocyclization, and ...
Chen‐Yu Chiang, Masao Ohashi, Yi Tang
wiley   +1 more source

Heme oxygenase isoforms differ in their subcellular trafficking during hypoxia and are differentially modulated by cytochrome P450 reductase. [PDF]

open access: yesPLoS ONE, 2012
Heme oxygenase (HO) degrades heme in concert with NADPH cytochrome P450 reductase (CPR) which donates electrons to the reaction. Earlier studies reveal the importance of the hydrophobic carboxy-terminus of HO-1 for anchorage to the endoplasmic reticulum (
Monika Linnenbaum   +3 more
doaj   +1 more source

Proteomic and Metabolomic Profiling Reveal Mitochondrial Transplantation–Mediated Reprogramming in Gastric Cancer Cells

open access: yesThe Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Mitochondria provide multiple functions for cellular physiology. Transplantation of mitochondria isolated from gastric epithelial cells GES‐1 reducing the malignancy of gastric cancer cells AGS was previously reported. To elucidate the underlying mechanisms, TMT‐based proteomic analysis coupling ingenuity pathway software prediction revealed ...
Ping‐Chen Chen   +9 more
wiley   +1 more source

Molecular insights into frataxin-mediated iron supply for heme biosynthesis in Bacillus subtilis.

open access: yesPLoS ONE, 2015
Iron is required as an element to sustain life in all eukaryotes and most bacteria. Although several bacterial iron acquisition strategies have been well explored, little is known about the intracellular trafficking pathways of iron and its entry into ...
Andreas Mielcarek   +3 more
doaj   +1 more source

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