Relevant bibliographies by topics / Iron – Physiological transport

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Academic literature on the topic 'Iron – Physiological transport'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Iron – Physiological transport"

1

Duck, Kari A., and James R. Connor. "Iron uptake and transport across physiological barriers." BioMetals 29, no. 4 (July 25, 2016): 573–91. http://dx.doi.org/10.1007/s10534-016-9952-2.

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Li, Shuang, Yihu Yang, and Weikai Li. "Human ferroportin mediates proton-coupled active transport of iron." Blood Advances 4, no. 19 (October 2, 2020): 4758–68. http://dx.doi.org/10.1182/bloodadvances.2020001864.

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Abstract As the sole iron exporter in humans, ferroportin controls systemic iron homeostasis through exporting iron into the blood plasma. The molecular mechanism of how ferroportin exports iron under various physiological settings remains unclear. Here we found that purified ferroportin incorporated into liposomes preferentially transports Fe2+ and exhibits lower affinities of transporting other divalent metal ions. The iron transport by ferroportin is facilitated by downhill proton gradients at the same direction. Human ferroportin is also capable of transporting protons, and this activity i
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Venkidusamy, Krishnaveni, Mallavarapu Megharaj, Uwe Schröder, Fouad Karouta, S. Venkata Mohan, and Ravi Naidu. "Electron transport through electrically conductive nanofilaments in Rhodopseudomonas palustris strain RP2." RSC Advances 5, no. 122 (2015): 100790–98. http://dx.doi.org/10.1039/c5ra08742b.

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The study demonstrates the physiological induction of electrically conductive nanofilaments from a metabolically versatile, iron(iii) respiring, photosynthetic bacteriumRhodopseudomonas palustrisstrain RP2.
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Li, Jingwei, and J. A. Cowan. "Glutathione-coordinated [2Fe–2S] cluster: a viable physiological substrate for mitochondrial ABCB7 transport." Chemical Communications 51, no. 12 (2015): 2253–55. http://dx.doi.org/10.1039/c4cc09175b.

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Zhang, Xinxin, Di Zhang, Wei Sun, and Tianzuo Wang. "The Adaptive Mechanism of Plants to Iron Deficiency via Iron Uptake, Transport, and Homeostasis." International Journal of Molecular Sciences 20, no. 10 (May 16, 2019): 2424. http://dx.doi.org/10.3390/ijms20102424.

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Iron is an essential element for plant growth and development. While abundant in soil, the available Fe in soil is limited. In this regard, plants have evolved a series of mechanisms for efficient iron uptake, allowing plants to better adapt to iron deficient conditions. These mechanisms include iron acquisition from soil, iron transport from roots to shoots, and iron storage in cells. The mobilization of Fe in plants often occurs via chelating with phytosiderophores, citrate, nicotianamine, mugineic acid, or in the form of free iron ions. Recent work further elucidates that these genes’ respo
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Hunt, Janet R. "Dietary and Physiological Factors That Affect the Absorption and Bioavailability of Iron." International Journal for Vitamin and Nutrition Research 75, no. 6 (November 1, 2005): 375–84. http://dx.doi.org/10.1024/0300-9831.75.6.375.

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Iron deficiency, a global health problem, impairs reproductive performance, cognitive development, and work capacity. One proposed strategy to address this problem is the improvement of dietary iron bioavailability. Knowledge of the molecular mechanisms of iron absorption is growing rapidly, with identification of mucosal iron transport and regulatory proteins. Both body iron status and dietary characteristics substantially influence iron absorption, with minimal interaction between these two factors. Iron availability can be regarded mainly as a characteristic of the diet, but comparisons bet
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Gulec, Sukru, Gregory J. Anderson, and James F. Collins. "Mechanistic and regulatory aspects of intestinal iron absorption." American Journal of Physiology-Gastrointestinal and Liver Physiology 307, no. 4 (August 15, 2014): G397—G409. http://dx.doi.org/10.1152/ajpgi.00348.2013.

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Iron is an essential trace mineral that plays a number of important physiological roles in humans, including oxygen transport, energy metabolism, and neurotransmitter synthesis. Iron absorption by the proximal small bowel is a critical checkpoint in the maintenance of whole-body iron levels since, unlike most other essential nutrients, no regulated excretory systems exist for iron in humans. Maintaining proper iron levels is critical to avoid the adverse physiological consequences of either low or high tissue iron concentrations, as commonly occurs in iron-deficiency anemia and hereditary hemo
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Kitphati, Worawan, Patchara Ngok-ngam, Sukanya Suwanmaneerat, Rojana Sukchawalit, and Skorn Mongkolsuk. "Agrobacterium tumefaciens fur Has Important Physiological Roles in Iron and Manganese Homeostasis, the Oxidative Stress Response, and Full Virulence." Applied and Environmental Microbiology 73, no. 15 (June 1, 2007): 4760–68. http://dx.doi.org/10.1128/aem.00531-07.

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ABSTRACT In Agrobacterium tumefaciens, the balance between acquiring enough iron and avoiding iron-induced toxicity is regulated in part by Fur (ferric uptake regulator). A fur mutant was constructed to address the physiological role of the regulator. Atypically, the mutant did not show alterations in the levels of siderophore biosynthesis and the expression of iron transport genes. However, the fur mutant was more sensitive than the wild type to an iron chelator, 2,2′-dipyridyl, and was also more resistant to an iron-activated antibiotic, streptonigrin, suggesting that Fur has a role in regul
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Froschauer, Elisabeth M., Nicole Rietzschel, Melanie R. Hassler, Markus Binder, Rudolf J. Schweyen, Roland Lill, Ulrich Mühlenhoff, and Gerlinde Wiesenberger. "The mitochondrial carrier Rim2 co-imports pyrimidine nucleotides and iron." Biochemical Journal 455, no. 1 (September 13, 2013): 57–65. http://dx.doi.org/10.1042/bj20130144.

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Mitochondrial iron uptake is of key importance both for organelle function and cellular iron homoeostasis. The mitochondrial carrier family members Mrs3 and Mrs4 (homologues of vertebrate mitoferrin) function in organellar iron supply, yet other low efficiency transporters may exist. In Saccharomyces cerevisiae, overexpression of RIM2 (MRS12) encoding a mitochondrial pyrimidine nucleotide transporter can overcome the iron-related phenotypes of strains lacking both MRS3 and MRS4. In the present study we show by in vitro transport studies that Rim2 mediates the transport of iron and other divale
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Meynard, Delphine, Jodie L. Babitt, and Herbert Y. Lin. "The liver: conductor of systemic iron balance." Blood 123, no. 2 (January 9, 2014): 168–76. http://dx.doi.org/10.1182/blood-2013-06-427757.

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Abstract Iron is a micronutrient essential for almost all organisms: bacteria, plants, and animals. It is a metal that exists in multiple redox states, including the divalent ferrous (Fe2+) and the trivalent ferric (Fe3+) species. The multiple oxidation states of iron make it excellent for electron transfer, allowing iron to be selected during evolution as a cofactor for many proteins involved in central cellular processes including oxygen transport, mitochondrial respiration, and DNA synthesis. However, the redox cycling of ferrous and ferric iron in the presence of H2O2, which is physiologic
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Dissertations / Theses on the topic "Iron – Physiological transport"

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Granger, Julie. "Iron acquisition by heterotrophic marine bacteria." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0002/MQ44173.pdf.

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Maldonado-Pareja, Maria Teresa. "Iron acquisition by marine phytoplankton." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0022/NQ50215.pdf.

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Castelli, Joanne Maree. "Characterisation of putative transporters maintaining iron homeostasis in symbiotic soybeans." University of Western Australia. School of Biomedical, Biomolecular and Chemical Sciences, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0020.

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[Truncated abstract] Nitrogen fixation is a feature of the symbiotic association between legumes and rhizobia, which occurs within the symbiosomes of root nodules and involves the conversion of atmospheric N2 to ammonia to be used by the plant in exchange for carbon compounds. Exchange of other nutrients is controlled by plant-synthesised proteins on the symbiosome membrane. Iron is a component of symbiotically important proteins, so is essential for nitrogen fixation. Low soil iron leads to decreased plant yields, whilst in other environments plants may accumulate iron to toxic levels. Knowle
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Adly, Carol. "The role of iron in the ecology and physiology of marine bacteria /." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97884.

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Despite being abundant in the earth's crust, the concentration of Fe in many oceanic regions is so low that it is limiting to the growth of photosynthetic plankton. Heterotrophic bacteria play key roles in the oceanic cycling of carbon and nutrients, but it is unclear whether they can be Fe-deficient in nature, or what possible effects Fe-deficiency might have on their ecology and physiology. In chapter 1, I investigated the response of a natural bacterial community to a mesoscale Fe-enrichment experiment in the northeast subarctic Pacific. The addition of Fe to surface waters caused a rapid s
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Nodwell, Lisa M. "Inorganic colloidal iron use by marine mixotrophic phytoplankton." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30826.

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Three species of photosynthetic flagellates capable of phagotrophy (mixotrophic species) were tested for their abilities to use inorganic iron colloids for growth. Ochromonas sp., Chrysochromulina ericina (a coastal strain) and C. ericina (an oceanic strain) were grown in iron-free seawater supplemented with 1 muM goethite, hematite, magnetite/maghemite or ferrihydrite (90°) in the presence and absence of desferrioxamme B, an iron-binding siderophore. Both strains of Chrysochromulina grew at 35--70% of their maximum rates with goethite, hematite, and magnetite/maghemite, but were unable to use
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Lin, Xiaohui, and 林晓晖. "Molecular analysis of an iron transporter gene of Burkholderia speciesMBA4." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B4218194X.

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Shawki, Ali. "The Functional Properties and Intestinal Role of the H+-Coupled Divalent Metal-Ion Transporter 1, DMT1." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1448037106.

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Hackett, Sara. "Magneto-chemical speciation of pathogenic iron deposits in thalassaemia and malaria." University of Western Australia. School of Physics, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0205.

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[Truncated abstract] Iron is essential to most biological systems. Under pathological conditions affecting the iron metabolic pathway, iron can be deposited in the tissue in various forms. The work presented in this thesis has exploited the relationship between the magnetic and the chemical properties of tissue iron deposits to further understanding of two major pathologies, the haemoglobinopathies termed thalassaemias and the malaria parasite Plasmodium falciparum, both amongst the most common health concerns in tropical countries. The iron-specific magnetic susceptibilities ¿Fe for spleen ti
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Thomas, Carla. "The validation and use of the rat intestinal epithelial cell line 6 (IEC-6) to study the role of ferroportin1 and divalent metal transporter 1 in the uptake of iron from Fe(II) and Fe(III)." University of Western Australia. Physiology Discipline Group, 2003. http://theses.library.uwa.edu.au/adt-WU2004.0019.

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[Formulae and special characters can only be approximated here. Please see the pdf version of the abstract for an accurate reproduction.] Iron is vital for almost all living organisms by participating in a wide variety of metabolic processes, including oxygen transport, DNA synthesis, and electron transport. However, iron concentrations in body tissues must be tightly regulated because excessive iron leads to tissue damage, as a result of formation of free radicals. In mammals since no controlled means of eliminating unwanted iron has evolved, body iron balance is maintained by alterations i
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Luck, Shelley Narelle. "The SRL pathogenicity island of Shigella flexneri 2a YSH6000." Monash University, Dept. of Microbiology, 2003. http://arrow.monash.edu.au/hdl/1959.1/9549.

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Books on the topic "Iron – Physiological transport"

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Přemysl, Poňka, Schulman Herbert M, and Woodworth Robert C, eds. Iron transport and storage. Boca Raton: CRC Press, 1990.

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2

Iron transport in bacteria. Washington, DC: ASM Press, 2005.

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Astrid, Sigel, and Sigel Helmut, eds. Iron transport and storage in microorganisms, plants, and animals. New York: Marcel Dekker, 1998.

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(Editor), Astrid Sigel, and Helmut Sigel (Editor), eds. Metal Ions in Biological Systems. Marcel Dekker, 1998.

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(Editor), Jorge H. Crosa, Alexandra R. Mey (Editor), and Shelley M. Payne (Editor), eds. Iron Transport In Bacteria: Molecular Genetics, Biochemistry, And Role In Pathogenicity And Ecology. ASM Press, 2004.

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G, Burns Richard, and Dick Richard P. 1950-, eds. Enzymes in the environment: Activity, ecology, and applications. New York: Marcel Dekker, 2002.

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Book chapters on the topic "Iron – Physiological transport"

1

Ho, C., and H. W. Kim. "Design of Novel Hemoglobins." In Biological NMR Spectroscopy. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195094688.003.0013.

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Human normal adult hemoglobin (Hb) A, the oxygen carrier of blood, is a tetrameric protein consisting of two α chains of 141 amino acid residues each and two β chains of 146 amino acid residues each. Each Hb chain contains a heme group which is an iron complex of protoporphyrin IX. Under physiological conditions, the heme-iron atoms of Hb remain in the ferrous state. In the absence of oxygen, the four heme-irom atoms in Hb A are in the highspin ferrous state [Fe(II)] with four unpaired electrons each. Each of the four heme-iron atoms in Hb A can combine with an O2 molecule to give oxyhemoglobin (HbO2) in which the iron atom is in a low-spin, diamagnetic ferrous state. The oxygen binding of Hb exhibits sigmoidal behavior, with an overall association constant expression giving a greater than first-power dependence on the concentration of O2. Thus, the oxygenation of Hb is a cooperative process, such that when one O2 is bound, succeeding O2 molecules are bound more readily. Hb is an allosteric protein, i.e., its functional properties are regulated by a number of metabolites [such as hydrogen ions, chloride, carbon dioxide, 2,3-diphosphoglycerate (2,3-DPG)] other than its ligand, O2. It has been used as a model for allosteric proteins, and indeed, hemoglobins of vertebrates are among the most extensively studied allosteric proteins. Their allosteric properties are physiologically important in optimizing O2 transport by erythrocytes. The large number of mutant forms of Hb available provides an array of structural alterations with which to correlate effects on function. For details, see DickersonandGeis (1983), Bunnand Forget (1986), Ho (1992), Ho and Perussi (1994). There are two types of contacts between the α and β subunits of Hb (Perutz, 1970; Dickerson and Geis, 1983). The α1β1 (or α2 β2) contacts, involving B, G, and H helices, and GH corners, are called packing contacts. These contacts remain unchanged and hold the dimer together even when there is a change in the ligation state of the heme.
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