The Effect of Light on Carotenoid Synthesis in Corynebacterium 7E1C

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The effects of light, light "mimicking" chemicals, and protein synthesis inhibitors on the photo-induced carotenogenesis of Corynebacterium 7EIC were studied. Changes in the dosage of fluorescent light applied to dark grown cells showed a dose related carotenogenic response. Maintaining the same dosage but varying the wavelength of monochromatic light revealed that light with a wavelength of 280 to 450nm was responsible for photo-induction. It further showed a peak of photo-induction between the wavelengths of 370 and 430nm. The light "mimicking" chemicals antimycin A and p-Chloromercurybenzoate were shown to have no light "mimicking" effects. The transcriptional inhibitor of protein synthesis actinomycin ... continued below

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v, 39 leaves: ill.

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Endicott, George R. May 1977.

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  • Endicott, George R.

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The effects of light, light "mimicking" chemicals, and protein synthesis inhibitors on the photo-induced carotenogenesis of Corynebacterium 7EIC were studied. Changes in the dosage of fluorescent light applied to dark grown cells showed a dose related carotenogenic response. Maintaining the same dosage but varying the wavelength of monochromatic light revealed that light with a wavelength of 280 to 450nm was responsible for photo-induction. It further showed a peak of photo-induction between the wavelengths of 370 and 430nm. The light "mimicking" chemicals antimycin A and p-Chloromercurybenzoate were shown to have no light "mimicking" effects. The transcriptional inhibitor of protein synthesis actinomycin D partially inhibited, and chloramphenicol a translational inhibitor, completely inhibited photo-induced carotenogenesis.

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v, 39 leaves: ill.

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  • May 1977

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  • May 10, 2015, 6:16 a.m.

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  • June 20, 2016, 11:45 a.m.

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Endicott, George R. The Effect of Light on Carotenoid Synthesis in Corynebacterium 7E1C, thesis, May 1977; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc504507/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .