Bibliografías temáticas / Iron pathways

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Literatura académica sobre el tema "Iron pathways"

Autor: Grafiati
Publicado: 10 de marzo de 2023

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Artículos de revistas sobre el tema "Iron pathways"

1

Conrad, Marcel E., Jay N. Umbreit, Elizabeth G. Moore, et al. "Separate pathways for cellular uptake of ferric and ferrous iron." American Journal of Physiology-Gastrointestinal and Liver Physiology 279, no. 4 (2000): G767—G774. http://dx.doi.org/10.1152/ajpgi.2000.279.4.g767.

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Separate pathways for transport of nontransferrin ferric and ferrous iron into tissue cultured cells were demonstrated. Neither the ferric nor ferrous pathway was shared with either zinc or copper. Manganese shared the ferrous pathway but had no effect on cellular uptake of ferric iron. We postulate that ferric iron was transported into cells via β3-integrin and mobilferrin (IMP), whereas ferrous iron uptake was facilitated by divalent metal transporter-1 (DMT-1; Nramp-2). These conclusions were documented by competitive inhibition studies, utilization of a β3-integrin antibody that blocked up
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2

Conrad, Marcel E., and Jay N. Umbreit. "Pathways of Iron Absorption." Blood Cells, Molecules, and Diseases 29, no. 3 (2002): 336–55. http://dx.doi.org/10.1006/bcmd.2002.0564.

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Miethke, Marcus, and Mohamed A. Marahiel. "Siderophore-Based Iron Acquisition and Pathogen Control." Microbiology and Molecular Biology Reviews 71, no. 3 (2007): 413–51. http://dx.doi.org/10.1128/mmbr.00012-07.

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SUMMARY High-affinity iron acquisition is mediated by siderophore-dependent pathways in the majority of pathogenic and nonpathogenic bacteria and fungi. Considerable progress has been made in characterizing and understanding mechanisms of siderophore synthesis, secretion, iron scavenging, and siderophore-delivered iron uptake and its release. The regulation of siderophore pathways reveals multilayer networks at the transcriptional and posttranscriptional levels. Due to the key role of many siderophores during virulence, coevolution led to sophisticated strategies of siderophore neutralization
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4

Conrad, Marcel E., and Jay N. Umbreit. "Iron absorption: Relative importance of iron transport pathways." American Journal of Hematology 67, no. 3 (2001): 215. http://dx.doi.org/10.1002/ajh.1114.

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Shakoury-Elizeh, Minoo, John Tiedeman, Jared Rashford, et al. "Transcriptional Remodeling in Response to Iron Deprivation inSaccharomyces cerevisiae." Molecular Biology of the Cell 15, no. 3 (2004): 1233–43. http://dx.doi.org/10.1091/mbc.e03-09-0642.

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The budding yeast Saccharomyces cerevisiae responds to depletion of iron in the environment by activating Aft1p, the major iron-dependent transcription factor, and by transcribing systems involved in the uptake of iron. Here, we have studied the transcriptional response to iron deprivation and have identified new Aft1p target genes. We find that other metabolic pathways are regulated by iron: biotin uptake and biosynthesis, nitrogen assimilation, and purine biosynthesis. Two enzymes active in these pathways, biotin synthase and glutamate synthase, require an iron-sulfur cluster for activity. I
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6

Perraud, Quentin, Paola Cantero, Béatrice Roche, et al. "Phenotypic Adaption of Pseudomonas aeruginosa by Hacking Siderophores Produced by Other Microorganisms." Molecular & Cellular Proteomics 19, no. 4 (2020): 589–607. http://dx.doi.org/10.1074/mcp.ra119.001829.

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Bacteria secrete siderophores to access iron, a key nutrient poorly bioavailable and the source of strong competition between microorganisms in most biotopes. Many bacteria also use siderophores produced by other microorganisms (exosiderophores) in a piracy strategy. Pseudomonas aeruginosa, an opportunistic pathogen, produces two siderophores, pyoverdine and pyochelin, and is also able to use a panel of exosiderophores. We first investigated expression of the various iron-uptake pathways of P. aeruginosa in three different growth media using proteomic and RT-qPCR approaches and observed three
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7

Spencer, Michelle J. S., Andrew Hung, Ian K. Snook, and Irene Yarovsky. "Iron Surfaces: Pathways to Interfaces." Surface Review and Letters 10, no. 02n03 (2003): 169–74. http://dx.doi.org/10.1142/s0218625x03005025.

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We have used density functional theory to examine the effects of avalanche in adhesion between Fe(100) surfaces, in registry and out of registry. When the central layers of the two surfaces are constrained the surface layers are attracted towards each other, forming a strained crystal region at intermediate interfacial separations. When the constraints in the z-direction are lifted, the surfaces avalanche together. In addition, when the surfaces are allowed to move sideways, we find that an interface initially out of registry will tend to avalanche towards an interface that is in registry.
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8

Theil, Elizabeth C. "Mining ferritin iron: 2 pathways." Blood 114, no. 20 (2009): 4325–26. http://dx.doi.org/10.1182/blood-2009-08-239913.

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9

Chen, Jen-Chih, Scott I. Hsieh, Janette Kropat, and Sabeeha S. Merchant. "A Ferroxidase Encoded by FOX1 Contributes to Iron Assimilation under Conditions of Poor Iron Nutrition in Chlamydomonas." Eukaryotic Cell 7, no. 3 (2008): 541–45. http://dx.doi.org/10.1128/ec.00463-07.

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ABSTRACT When the abundance of the FOX1 gene product is reduced, Chlamydomonas cells grow poorly in iron-deficient medium, but not in iron-replete medium, suggesting that FOX1-dependent iron uptake is a high-affinity pathway. Alternative pathways for iron assimilation, such as those involving ZIP family transporters IRT1 and IRT2, may be operational.
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10

Mercier, Alexandre, and Simon Labbé. "Iron-Dependent Remodeling of Fungal Metabolic Pathways Associated with Ferrichrome Biosynthesis." Applied and Environmental Microbiology 76, no. 12 (2010): 3806–17. http://dx.doi.org/10.1128/aem.00659-10.

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ABSTRACT The fission yeast Schizosaccharomyces pombe excretes and accumulates the hydroxamate-type siderophore ferrichrome. The sib1 + and sib2 + genes encode, respectively, a siderophore synthetase and an l-ornithine N5-oxygenase that participate in ferrichrome biosynthesis. In the present report, we demonstrate that sib1 + and sib2 + are repressed by the GATA-type transcriptional repressor Fep1 in response to high levels of iron. We further found that the loss of Fep1 results in increased ferrichrome production. We showed that a sib1Δ sib2Δ mutant strain exhibits a severe growth defect on ir
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