bacterioruberin

bacterioruberin

[bak‚tir·ē·ə′rüb·ə·rən]
(microbiology)
A carotenoid pigment found in some halophilic aerobic archaebacteria that gives them a striking red color and seems to protect them from strong sunlight in their natural environments.
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mediterranei colonies growing on solid media; due to the high content in bacterioruberins, a group of C50 carotenoides, these colonies are pinkish to reddish shaded [30].