非洲爪蟾胚胎发育过程中核仁组织区的银染色阳性情况。
Silver positivity of the NORs during embryonic development of Xenopus laevis.
作者信息
De Capoa A, Pelliccia F, Marlekaj P, Ciofi-Luzzatto A R, Buongiorno Nardelli M
出版信息
Exp Cell Res. 1983 Sep;147(2):472-8. doi: 10.1016/0014-4827(83)90231-8.
PMID:6193984
Abstract
Transcriptional activity of ribosomal RNA (rRNA) genes is detectable around blastula-gastrula transition during the embryonic development of amphibians and other non-mammalian systems. The silver staining reaction, known to selectively stain transcriptionally active nucleolus organizer regions (NORs) both in interphase and metaphase chromosomes allowed us to follow the activation of the NORs during the embryonic development of Xenopus laevis.
摘要
在两栖动物和其他非哺乳动物系统的胚胎发育过程中，核糖体RNA（rRNA）基因的转录活性在囊胚-原肠胚转变期左右可被检测到。银染反应已知可在间期和中期染色体中选择性地染色转录活跃的核仁组织区（NORs），这使我们能够追踪非洲爪蟾胚胎发育过程中NORs的激活情况。
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