Chemical regulators of carotenogenesis by Blakeslea trispora |
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Authors: | Satya Dandekar VV Modi UK Jani |
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Institution: | Department of Microbiology, Faculty of Science, M. S. University of Baroda, Baroda, India |
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Abstract: | The activation of the carotene biosynthetic pathway in Blakeslea trispora was found to occur by trisporic acid and many other compounds such as abscisic acid, β-ionone, α-ionone and vitamin A which share significant structural similarity with trisporic acid. The magnitude of stimulatory activities of these effectors was in the order trisporic acid > abscisic acid > β-ionone > α-ionone > vitamin A. Comparison of structures and stimulatory activities of all the effectors indicated that the short length of the side chain and the presence of a keto group in the ring structure of the trisporic acid molecule contributed significantly to the biological activity towards carotenogenesis. |
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Keywords: | Mucorales fungi carotenoids regulation trisporic acid abscisic acid ionones vitamin A |
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