MeSH definition : Functionally and structurally differentiated, purple-pigmented regions of the cytoplasmic
membrane of some strains of Halobacterium halobium. The membrane develops under anaerobic
conditions and is made almost entirely of the purple pigment BACTERIORHODOPSINS. (From
Singleton & Sainsbury Dictionary of Microbiology and Molecular Biology, 2d ed);
Functionally and structurally differentiated, purple-pigmented regions of the cytoplasmic
membrane of some strains of Halobacterium halobium. The membrane develops under anaerobic
conditions and is made almost entirely of the purple pigment BACTERIORHODOPSINS. (From
Singleton & Sainsbury Dictionary of Microbiology and Molecular Biology, 2d ed)