A Putative Binding Site for Sp1 Is Involved in Transcriptional Regulation of CYP17 Gene Expression in Bovine Ovary
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چکیده
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prrA, a putative response regulator involved in oxygen regulation of photosynthesis gene expression in Rhodobacter sphaeroides.
A new locus, prrA, involved in the regulation of photosynthesis gene expression in response to oxygen, has been identified in Rhodobacter sphaeroides. Inactivation of prrA results in the absence of photosynthetic spectral complexes. The prrA gene product has strong homology to response regulators associated with signal transduction in other prokaryotes. When prrA is present in multiple copies, ...
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Role of Sp1 in insulin regulation of gene expression.
Sp1 is a ubiquitous nuclear factor that plays a key role in maintaining basal transcription of 'house-keeping' genes. However, recent evidence points to a more important function for Sp1 in mediating 'cross-talk' between selected signaling cascades to regulate the target genes that respond to these pathways. The role of Sp1 in mediating the actions of the peptide hormone insulin is of specific ...
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ژورنال
عنوان ژورنال: Endocrinology
سال: 1997
ISSN: 0013-7227
DOI: 10.1210/en.138.5.2011