两栖动物卵母细胞核中的小颗粒及其与RNA的关系。
Small granules in the amphibian oocyte nucleus and their relationship to RNA.
作者信息
GALL J G
出版信息
J Biophys Biochem Cytol. 1956 Jul 25;2(4 Suppl):393-6. doi: 10.1083/jcb.2.4.393.
Abstract
Small particles (100 to 300 A in diameter) are seen in sections of nucleoli, the loops of the amphibian lampbrush chromosomes, and the Balbiani-ring regions of dipteran salivary-gland chromosomes. All of these structures contain cytochemically demonstrable RNA. Furthermore, the annuli seen on the nuclear envelope are composed of small particles which are similar to or identical with those commonly associated with the endoplasmic reticulum. It seems likely that ribonucleoproteins are organized as small particulates in the nucleus as well as in the cytoplasm.
摘要
在核仁切片、两栖动物灯刷染色体的环以及双翅目唾液腺染色体的巴尔比亚尼环区域中可以看到小颗粒（直径为100至300埃）。所有这些结构都含有细胞化学上可证实的RNA。此外，在核膜上看到的环是由小颗粒组成的，这些小颗粒与通常与内质网相关的小颗粒相似或相同。核糖核蛋白似乎在细胞核和细胞质中都以小颗粒的形式存在。
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