A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Reference Report

Reference
Citation Sui, L., Yang, Y. (2011). Distinct effects of nuclear membrane localization on gene transcription silencing in Drosophila S2 cells and germ cells.  J. Genet. Genomics 38(2): 55--61. (Export to RIS)
FlyBase ID FBrf0213132
Publication Type Research paper
PubMed ID 21356524
PubMed Abstract Nuclear envelope proteins have important roles in chromatin organization and signal-dependent transcriptional regulation. A previous study reported that the inner nuclear membrane protein, Otefin (Ote), was essential for germline stem cell (GSC) maintenance via interaction with Smad complex. The interaction of Ote with the Smad complex recruits the bam locus to the nuclear periphery and subsequently results in bam transcriptional silencing, revealing that nuclear peripheral localization is essential for bam gene regulation. However, it remains unknown whether the nuclear peripheral localization is sufficient for bam silencing. To address this issue, we have established a tethering system, in which the Gal4 DNA binding domain (DBD) of the Flag:Gal4 DBD:Ote▵LEM fusion protein physically interacts with the Gal4 binding sites upstream of bamP-gfp to artificially recruit the reporter gene gfp to the nuclear membrane. Our data demonstrated that the nuclear peripheral localization seemed to affect the expression of the target naked gene in S2 cells. By contrast, in Drosophila germ cells, the nuclear membrane localization was not sufficient for gene silencing.
DOI 10.1016/j.jcg.2011.01.002
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Language of Publication English
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Publication Type Journal
Abbreviation J. Genet. Genomics
Title Journal of Genetics and Genomics [Yi chuan xue bao]
Publication Year 2007--
ISBN/ISSN 1673-8527
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