讨论了涉及到有关核仁结构的当前知识的这些变化，以及在核仁外部的细胞核区域中染色体和转录工厂的组织。
These changes are discussed in relation to current knowledge about nucleolar structure as well as the organization of chromosomes and transcription factories in nuclear regions outside the nucleolus.
首次发现黑麦染色体的核仁组成中心区、着丝点和端粒均能用硝酸银染色。
It was found that NORs, kinetochores and telomeres could all be stained by silver nitrate.
结果发现，花粉母细胞核内存在粗细不等的微梁骨架，与核仁和染色体紧密相连，随着发育的推移，其均一性发生改变。
The nucleolus and chromosomes were connected with the MN filament network. The uniformity of nuclear MN changed with the development of the PMCs.
结果发现，花粉母细胞核内存在粗细不等的微梁骨架，与核仁和染色体紧密相连，随着发育的推移，其均一性发生改变。
The nucleolus and chromosomes were connected with the MN filament network. The uniformity of nuclear MN changed with the development of the PMCs.
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