- purple membrane
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An area of the plasma membrane of Halobacterium that contains bacteriorhodopsin and is active in photosynthetic light energy trapping.
Microbiology. Aard_Wark . 2009.
Microbiology. Aard_Wark . 2009.
purple membrane — Plasma membrane of Halobacterium and Halococcus, that contains a protein bound carotenoid pigment that absorbs light and uses the energy to translocate protons from the cytoplasm to the exterior. The proton gradient then provides energy for ATP… … Dictionary of molecular biology
Purple bacteria — or purple photosynthetic bacteria are proteobacteria that are phototrophic, i.e. capable of producing energy through photosynthesis.cite journal author=D.A. Bryant N. U. Frigaard month=Nov year=2006 title=Prokaryotic photosynthesis and… … Wikipedia
Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… … Wikipedia
Synovial membrane — Infobox Anatomy Name = PAGENAME Latin = membrana synovialis capsulae articularis GraySubject = 68 GrayPage = 282 Caption = Black is subintima, purple is intima, light brown is bone, orange is cartilage, yellow is synovial fluid Caption2 =… … Wikipedia
Bacteriorhodopsin — is a protein used by archaea, most notably halobacteria. It acts as a proton pump, i.e. it captures light energy and uses it to move protons across the membrane out of the cell. The resulting proton gradient is subsequently converted into… … Wikipedia
Pm — Symbol for promethium. * * * after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass; particulate matter;… … Medical dictionary
pM — Abbreviation for picomolar (10−12 M). * * * after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass;… … Medical dictionary
pm — Symbol for picometer. * * * after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass; particulate matter;… … Medical dictionary
PM — • after death [Lat. post mortem]; • after noon [Lat. post meridiem]; • mean pressure; • pacemaker; • pantomography; • papilla mammae; • papillary muscle; • papular mucinosis; • partial meniscectomy; • particle mass; • particulate matter; •… … Dictionary of medical acronyms & abbreviations
Halobacterium halobium — Photosynthetic (halophilic) bacterium that has patches of purple membrane containing the pigment bacteriorhodopsin … Dictionary of molecular biology