绿藻丽藻中的肌动蛋白。
Actin in the green alga, Nitella.
作者信息
Palevitz B A, Ash J F, Hepler P K
出版信息
Proc Natl Acad Sci U S A. 1974 Feb;71(2):363-6. doi: 10.1073/pnas.71.2.363.
Abstract
Bundles of microfilaments very similar in appearance to actin are present in cytoplasmic suspensions obtained from Nitella flexilis. The microfilaments bind rabbit heavy meromyosin in arrowhead arrays similar to those produced on muscle actin. The arrowheads are removed with ATP. The results provide evidence that actin is present in green plants, probably in the form of microfilaments thought to be involved in cytoplasmic streaming.
摘要
从细基江蓠（Nitella flexilis）获得的细胞质悬浮液中存在外观与肌动蛋白非常相似的微丝束。这些微丝以类似于在肌肉肌动蛋白上产生的箭头状排列结合兔重酶解肌球蛋白。箭头状结构可被ATP去除。这些结果提供了证据，表明肌动蛋白存在于绿色植物中，可能以被认为参与细胞质流动的微丝形式存在。
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