类叶醌的比较研究。四、藻类中的质体醌。
Comparative Studies on Plastoquinones. IV. Plastoquinones in Algae.
机构信息
Department of Biological Sciences, Purdue University, Lafayette, Indiana 47907.
出版信息
Plant Physiol. 1968 Dec;43(12):1935-40. doi: 10.1104/pp.43.12.1935.
Plastoquinones A and C have been found in all classes of algae, including representatives of greens, yellow-greens, blue-greens, reds, browns and the flagellate, Euglena. Plastoquinone C from red and brown algae can be separated into 6 different types. An additional plastoquinone C has been found in Gigartina and Rhydomela. From chromatographic evidence this may be equivalent to plastoquinone C(o), a C type with a hydroxyl group on the first isoprene unit of the terpenoid sidechain of this substituted benzo-quinone. The ubiquinone, vitamin K and alpha-tocopherylquinone content of several algae is also reported. The presence of plastoquinone A in all green plants and many algae indicates that it may be a functional element in photosynthesis. Our study shows that plastoquinone C is more regularly present in algae than has been previously shown.
质体醌 A 和 C 已在所有藻类中发现，包括绿藻、黄绿藻、蓝藻、红藻、褐藻和鞭毛藻 Euglena 的代表。红藻和褐藻中的质体醌 C 可分离成 6 种不同类型。在 Gigartina 和 Rhydomela 中发现了另一种质体醌 C。根据色谱证据，这可能相当于质体醌 C(o)，这是一种 C 型，在萜烯侧链的第一个异戊二烯单元上具有羟基，取代的苯醌。还报告了几种藻类的泛醌、维生素 K 和α-生育酚醌含量。所有绿色植物和许多藻类中都存在质体醌 A，这表明它可能是光合作用中的一个功能元素。我们的研究表明，质体醌 C 在藻类中的存在比以前认为的更为普遍。
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