siderophore

siderophore
A large extravasated mononuclear phagocyte containing granules of hemosiderin, found in the sputum or in the lungs of individuals with longstanding pulmonary congestion from left ventricular failure. SEE ALSO: heart failure cell. SYN: siderophage. [sidero- + G. phoros, bearing]

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sid·ero·phore 'sid-ə-rə-.fō(ə)r n any of a group of low molecular weight compounds produced esp. by various microorganisms that bind ferric iron extracellularly to form a stable chelate for transport into the cell

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sid·ero·phore (sidґər-o-for″) [sidero- + -phore] 1. a substance that binds iron. 2. a macrophage containing hemosiderin. 3. a compound produced by certain species of mycobacteria and enterobacteria that chelates iron and facilitates its uptake by the cell.

Medical dictionary. 2011.

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  • Siderophore —   [zu griechisch phoreĩn »tragen«], die Siderochrome …   Universal-Lexikon

  • Siderophore — A Siderophore (Greek for iron carrier) is an iron chelating compound secreted by microorganisms such as bacteria, fungi and grasses. cite journal | author = J. B. Neilands | title = A Crystalline Organo iron Pigment from a Rust Fungus (Ustilago… …   Wikipedia

  • Siderophore — Stäbchenmodell von Carboxymycobactin T mit Eisenion, nach PDB 1X8U …   Deutsch Wikipedia

  • Sidérophore — Les sidérophores (du grec pherein et sideros signifiant «porter le fer») sont des chélateurs de fer synthétisés et sécrétés notamment par les micro organismes pour leur permettre de puiser le fer essentiel à leur développement. Ce sont des… …   Wikipédia en Français

  • siderophore — (sid er o for ) A small molecule that complexes with ferric iron and supplies it to a cell by aiding in its transport across the plasma membrane …   Dictionary of microbiology

  • siderophore — noun a) Any medium sized molecule that has a high specificity for binding or chelating iron; they are employed by microorganisms to obtain iron from the environment b) a siderophage …   Wiktionary

  • Siderophore — Si|de|ro|pho|re die (Plur.) <zu ↑...phor> svw. ↑Siderochrome …   Das große Fremdwörterbuch

  • siderophore — [ sɪdərə(ʊ)ˌfɔ:, sʌɪ ] noun Biochemistry a molecule which binds and transports iron in microorganisms …   English new terms dictionary

  • siderophore — A low molecular weight entity that binds very tightly to iron. Siderophores are synthesized by a variety of soil micro organisms to ensure that the organism is able to obtain sufficient amounts of iron from the environment …   Glossary of Biotechnology

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