نتایج جستجو برای: tata box
تعداد نتایج: 91907 فیلتر نتایج به سال:
Infected-cell polypeptide 4 (ICP4) of herpes simplex virus type 1 (HSV-1) activates the expression of many HSV genes during infection. It functions along with the cellular general transcription factors to increase the transcription rates of genes. In this study, an HSV late promoter consisting of only a TATA box and an INR element was immobilized on a magnetic resin and incubated with nuclear e...
به منظور بررسی نقش عناصر تنظیمی سیس نواحی پروموتری بر الگوی بیان ژنهای Catalase 2 (CAT2) و Thioredoxin H5 (TRX5) در گیاه آرابیدوپسیس در پاسخ به تنشهای مختلف زیستی و غیرزیستی، توالی پروموتری ژنهای موردنظر، عناصر تنظیمی سیس موجود در آنها و دادههای مربوط به بیان این ژنها در تنشهای مختلف به ترتیب با استفاده از Phytozome، PlantCARE و The Bio-Array Resource for Plant Biology دریافت گردید.به منظور ت...
BACKGROUND Age-related cataracts are related to oxidative stress. However, the genome-wide screening of cataract related oxidative stress related genes are not thoroughly investigated. Our study aims to identify cataract regulated miRNA target genes that are related to oxidative stress and to propose a new possible mechanism for cataract formation. METHODS Microarrays were used to determine t...
Biological signals on DNA sequences such as TATA box, GC box, CAAT box, the Shine-Dalgarno sequence in the promoter regions, and splice sites (donor/acceptor sites) in eukaryotic mRNA are of considerable interest because they play numerous crucial roles in binding with proteins, or RNA. Recently it has been suggested that the 5’ splice site recognition is performed in vivo through a combination...
We report the results of an energy-based exploration of the components of selective recognition of the TATA box-binding protein (TBP) to a TATA box sequence that includes 1) the interaction between the hydrophobic Leu, Pro, and Phe residues of TBP with the TA, AT, AA, TT, and CG steps, by ab initio quantum mechanical calculations; and 2) the free energy penalty, calculated from molecular dynami...
The TCT core promoter element is present in most ribosomal protein (RP) genes in Drosophila and humans. Here we show that TBP (TATA box-binding protein)-related factor TRF2, but not TBP, is required for transcription of the TCT-dependent RP genes. In cells, TCT-dependent transcription, but not TATA-dependent transcription, increases or decreases upon overexpression or depletion of TRF2. In vitr...
We have employed a hidden Markov model (HMM) based on known cAMP responsive elements to search for putative CREB target genes. The best scoring sites were positionally conserved between mouse and human orthologs, suggesting that this parameter can be used to enrich for true CREB targets. Target validation experiments revealed a core promoter requirement for transcriptional induction via CREB; T...
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