Abstract:
:The product of the OTUB1 gene is a member of the OTU superfamily of predicted cysteine proteases and inhibits cytokine gene transcription via its interaction with a ubiquitin protease and E3 ubiquitin ligase. To further understand the functions of the porcine OTUB1 gene, the subcellular localization of porcine OTUB1 protein was analyzed. We first cloned a partial DNA sequence of porcine OTUB1 which contained an 816 bp ORF encoding 271 amino acids. The deduced protein product was found to contain an OTU domain. The corresponding porcine OTUB1 protein was subsequently demonstrated to localize predominantly in the nucleus by confocal fluorescence microscopy. By spatial expression analysis, we further found that OTUB1 is highly expressed in the brain, liver, spleen, lung, kidney, large intestine, small intestine, stomach, ovary, uterus and thymus. In contrast, only low levels of this gene were evident in the heart, dorsal muscles and leg muscle of the pig. This is the first report to show the subcellular localization of porcine OTUB1, and our current data provides us with an important basis for conducting further studies on the functions and regulatory mechanisms underlying the role of OTUB1 gene in the immune system.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Shan TL,Tang ZL,Guo DZ,Yang SL,Mu YL,Ma YH,Guan WJ,Li Kdoi
10.1007/s11033-008-9353-xsubject
Has Abstractpub_date
2009-07-01 00:00:00pages
1573-7issue
6eissn
0301-4851issn
1573-4978journal_volume
36pub_type
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