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Carotenoid biosynthesis in extremophilic Deinococcus-Thermus bacteria

机译:极端嗜热球菌-热菌中类胡萝卜素的生物合成

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Bacteria from the phylum Deinococcus-Thermus are known for their resistance to extreme stresses including radiation, oxidation, desiccation and high temperature. Cultured Deinococcus-Thermus bacteria are usually red or yellow pigmented because of their ability to synthesize carotenoids. Unique carotenoids found in these bacteria include deinoxanthin from Deinococcus radio-durans and thermozeaxanthins from Thermus thermophilus. Investigations of carotenogenesis will help to understand cellular stress resistance of Deinococcus-Thermus bacteria. Here, we discuss the recent progress toward identifying carotenoids, carotenoid biosynthetic enzymes and pathways in some species of Deinococcus-Thermus extremophiles. In addition, we also discuss the roles of carotenoids in these extreme bacteria.
机译:来自Deinococcus-Thermus门的细菌以其对极端压力(包括辐射,氧化,干燥和高温)的抵抗力而闻名。培养的Deinococcus-Thermus细菌通常具有红色或黄色色素,因为它们具有合成类胡萝卜素的能力。在这些细菌中发现的独特类胡萝卜素包括来自放射杜伦球菌的去黄嘌呤和来自嗜热栖热菌的热玉米黄质。对类胡萝卜素发生的研究将有助于了解Deinococcus-Thermus细菌的细胞应激抗性。在这里,我们讨论了在某些物种的Deinococcus-Thermus极端微生物中识别类胡萝卜素,类胡萝卜素生物合成酶和途径的最新进展。此外,我们还讨论了类胡萝卜素在这些极端细菌中的作用。

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