نتایج جستجو برای: rna silencing suppressor
تعداد نتایج: 314075 فیلتر نتایج به سال:
The role of RNA metabolism in chromatin silencing is now widely recognized. We have studied the Arabidopsis RNA-binding protein FCA that down-regulates an endogenous floral repressor gene through a chromatin mechanism involving histone demethylase activity. This mechanism needs FCA to interact with an RNA 3' processing/polyadenylation factor (FY/Pfs2p), but the subsequent events leading to chro...
Tomato bushy stunt virus (TBSV) and other tombusviruses encode a p19 protein (P19), which is a suppressor of RNAi. Wild-type TBSV or p19-defective mutants initially show a similar infection course in Nicotiana benthamiana, but the absence of an active P19 results in viral RNA degradation followed by recovery from infection. P19 homodimers sequester 21-nt virus-derived duplex siRNAs, and it is t...
e-cadherin is among tumor suppressor genes which mostly subjects to the down-regulation in squamous cell carcinoma of esophagus (scce). the gene is tightly associated with the tumor invasion and metastasis in multiple human cancers, especially scce. cpg islands’ methylation in the promoter region of e-cadherin is among the mechanisms that have been suggested for the e-cadherin silencing, howeve...
Ebola virus (EBOV) causes a lethal hemorrhagic fever for which there is no approved effective treatment or prevention strategy. EBOV VP35 is a virulence factor that blocks innate antiviral host responses, including the induction of and response to alpha/beta interferon. VP35 is also an RNA silencing suppressor (RSS). By inhibiting microRNA-directed silencing, mammalian virus RSSs have the capac...
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