Postembedding alpha-tubulin immunolabelling of isolated centrosomes.

The Histochemical Journal Pub Date : 1995-03-01
B E Gowen, B Buendia, E Karsenti, S D Fuller
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Abstract

Accurate ultrastructural localization of the components of centrosomes is an important step toward the determination of their function. We have used an electron microscopy procedure to preserve centrosome-associated antigens which enables their high-resolution localization. The unique part of our procedure is the application of a post-sectioning fixation step which overcomes the poor section contrast and morphological appearance that limits the use of low-temperature processing and Lowicryl embedding. The efficacy of our approach is demonstrated by the efficient labelling of alpha-tubulin in the well-preserved and contrasted microtubule barrels of the centrides of isolated mammalian centrosomes.

分离中心体的包埋后微管蛋白免疫标记。
准确定位中心体成分的超微结构是确定其功能的重要一步。我们使用电子显微镜程序来保存中心体相关抗原,使其能够高分辨率定位。我们手术的独特之处在于切片后固定步骤的应用,该步骤克服了限制低温处理和Lowicryl包埋使用的不良切片对比度和形态外观。我们的方法的有效性通过在分离的哺乳动物中心体的中心体的保存完好和对比的微管桶中有效地标记α -微管蛋白来证明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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