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dense fibrillar component

A structure found in the nucleolus, which contains newly synthesized preribosomal RNA (pre-rRNA) and a collection of proteins. [PMID:10754561]
National Institutes of Health

Papers overview

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2005
2005
The ultrastructural distribution of proteins B23 and nucleoiin in the nucleolus of mouse embryos from the zygote to the early… 
1995
1995
We identified a novel human nucleolar phosphoprotein p130 (130 kDa) using a strategy for selecting monoclonal antibodies against… 
1993
1993
We studied the distribution of DNA in human circulating lymphocyte nucleoli using three different cytochemical methods for…