Expression in Fission Yeast Is a Principal Regulator of Anaerobic Gene Sterol Regulatory Element Binding Protein
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بررسی ارتباط میزان بیان ژن پروتئین متصل شونده به عنصر تنظیمی استرول با پروفایل لیپیدی
Background and purpose: Atherosclerosis is a form of arteriosclerosis that is one of the main causes of death in the world. In coronary artery disease, the vessels are stenosed due to lipid aggregation and inflammation. Epidemiologic studies have shown that in addition to demographic factors such as age and sex, blood pressure, smoking, obesity diabetes and genetics are also associa...
متن کاملOxygen-dependent, alternative promoter controls translation of tco1+ in fission yeast
Eukaryotic cells respond to changes in environmental oxygen supply by increasing transcription and subsequent translation of gene products required for adaptation to low oxygen. In fission yeast, the ortholog of mammalian sterol regulatory element binding protein (SREBP), called Sre1, activates low-oxygen gene expression and is essential for anaerobic growth. Previous studies in multiple organi...
متن کاملOxygen-regulated degradation of fission yeast SREBP by Ofd1, a prolyl hydroxylase family member.
Sre1, the fission yeast sterol regulatory element binding protein, is an endoplasmic reticulum membrane-bound transcription factor that responds to changes in oxygen-dependent sterol synthesis as an indirect measure of oxygen availability. Under low oxygen, Sre1 is proteolytically cleaved and the released N-terminal transcription factor (Sre1N) activates gene expression essential for hypoxic gr...
متن کاملSREBP Controls Oxygen-Dependent Mobilization of Retrotransposons in Fission Yeast
Retrotransposons are mobile genetic elements that proliferate through an RNA intermediate. Transposons do not encode transcription factors and thus rely on host factors for mRNA expression and survival. Despite information regarding conditions under which elements are upregulated, much remains to be learned about the regulatory mechanisms or factors controlling retrotransposon expression. Here,...
متن کاملTranscription factor sterol regulatory element binding protein 2 regulates scavenger receptor Cla-1 gene expression.
OBJECTIVE The human scavenger receptor class B type I (Cla-1) plays a key role in cellular cholesterol movement in facilitating transport of cholesterol between cells and lipoproteins. Indirect evidence has suggested that Cla-1 gene expression is under the feedback control of cellular cholesterol content. To define the molecular mechanisms underlying such putative regulation, we evaluated wheth...
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تاریخ انتشار 2006