Cloning, chromosomal characterization and FISH mapping of the NAD(+)-dependent histone deacetylase gene sirtuin 5 in the mouse.
نویسندگان
چکیده
Sirtuin 5 (SIRT5) is a nicotinamide adenine dinucleotide (NAD+)-dependent deacetylase, belonging to the silent information regulator 2 (Sir2) family of sirtuin histone deacetylases (sirtuins). The yeast Sir2 protein and its mammalian derivatives are important in epigenetic gene silencing, DNA repair and recombination, cell cycle, microtubule organization and in the regulation of aging. In mammals, 7 sirtuin isoforms have been identified to date of which three (SIRT3, SIRT4 and SIRT5) are localized in the mitochondria, which serve as the center of energy management and the initiation of cellular apoptosis. In the study presented herein, we report the genomic organization and chromosomal localization of the murine sirt5 gene. We have isolated and characterized the murine sirt5 genomic sequence, which spans a region of 24,449 bp and which has one single genomic locus. The murine sirt5 gene consists of 8 exons and encodes a 310-aa protein with a predictive mo-lecular weight of 34.1 kDa and an isoelectric point of 8.90. For the murine sirt5 gene only one single genomic locus has been identified. The gene has been localized to mouse chromosome 13A4 and is flanked by STS-marker 164522 (synonymous WI MRC-RH: 506859).
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عنوان ژورنال:
- International journal of oncology
دوره 43 1 شماره
صفحات -
تاریخ انتشار 2013