1971
DOI: 10.1002/jobm.19710110208
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Isolationsbedingungen für Zellkerne aus Hefeprotoplasten

Abstract: The structure of isolated nuclei from Saccharomyces fragilis protoplasts depends on the composition of the medium used for isolation. Buffered solutions of polymers as for instance Dextran, Ficoll and Polyvinylpyrrolidon a t p H 5.5-6.5 are suitable both for carefully lysing the protoplasts and for the isolation of the nuclei. The structure of isolated nuclei does not differ markedly from nuclei in living cells. Isolated nuclei do not, behave like osmometers but are swelling in buffered solution of sugars such… Show more

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Cited by 23 publications
(3 citation statements)
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“…Several procedures were tested for their suitability for the isolation of yeast nuclei in good yields, morphological intactness, and reasonable purity. Though costly and time consuming, the isolation procedure based upon osmotic shock of yeast spheroplasts in the presence of Ficoll (12,25) was chosen as the most satisfactory in these respects. The yield of nuclei was about 30-40%.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Several procedures were tested for their suitability for the isolation of yeast nuclei in good yields, morphological intactness, and reasonable purity. Though costly and time consuming, the isolation procedure based upon osmotic shock of yeast spheroplasts in the presence of Ficoll (12,25) was chosen as the most satisfactory in these respects. The yield of nuclei was about 30-40%.…”
Section: Resultsmentioning
confidence: 99%
“…Nuclei were prepared from the spheroplasts by the following method (12,25). All of the operations were performed at 0-40C.…”
Section: Isolation Of Yeast Nucleimentioning
confidence: 99%
“…The isolation protocol incorporated elements of the methods of May, and of Bhargava and Halvorson as modified by Sajdel-Sulkowska et al (16)(17)(18). All steps were on ice or at 40; centrifugation steps were in a Sorvall HB-4 swinging bucket rotor.…”
Section: Methodsmentioning
confidence: 99%