Reference: Hurt EC, et al. (1988) Nucleolar and nuclear envelope proteins of the yeast Saccharomyces cerevisiae. Eur J Cell Biol 46(3):554-63

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Abstract


We have developed a fast and reliable purification protocol to obtain yeast nuclei in intact and pure form and in a reasonable yield. The purified nuclei appear homogeneous at the light and electron microscopic level, are highly enriched in the nuclear marker histone H2B and devoid of mitochondrial, vacuolar and cytosolic marker proteins. On sodium dodecyl sulfate (SDS)-polyacrylamide gels, the nuclear fraction contains unique proteins which distinguishes them from the major yeast subcellular fractions. Yeast nuclei were separated by detergent/salt extraction into soluble, insoluble and membrane fractions. Antibodies raised against subnuclear fractions lead to the identification of an integral nuclear membrane protein and a high-abundance 38-kDa protein which is located in the yeast nucleolus.

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Journal Article
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Hurt EC, McDowall A, Schimmang T
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