purple membrane
An area of the plasma membrane of Halobacterium that contains bacteriorhodopsin and is active in photosynthetic light energy trapping.

Microbiology. . 2009.

Look at other dictionaries:

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  • 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

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