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Tag Archives: RNA
Polintons were the first group of eukaryotic double-stranded DNA viruses to evolve from bacteriophages and gave rise to most large DNA viruses and various other selfish genetic elements. Continue reading
A new review in Annual Review of Microbiology gives an excellent introduction to viroids. Continue reading
During their replication in the nucleus of infected cells, influenza viruses hijack the host splicing machinery to process some of their RNA segments, the M and NS segments. This review provides an overview of the current knowledge gathered on this … Continue reading
The Great RNA Confusion: RNAi – miRNA – siRNA – do you know the difference? Continue reading
In eukaryotes, mRNAs are primarily translated through a cap-dependent mechanism whereby initiation factors recruit the 40S ribosomal subunit to a cap structure at the 5′ end of the mRNA. However, some viral and cellular messages initiate protein synthesis without a … Continue reading
Vaccines are a triumph of medicine and science – but is the pipeline running dry? What about all those viruses we have not been able to make effective vaccines against – HIV, RSV, Ebola, etc? DNA vaccines have generally proved … Continue reading
The cellular mRNA decay machinery plays a major role in regulating the quality and quantity of gene expression in cells. This machinery involves multiple enzymes and pathways that converge to promote the exonucleolytic decay of mRNAs. The transcripts made by … Continue reading
Rapid evolution of RNA viruses is intimately linked to their success in overcoming the defenses of their hosts. Several studies have shown that rates of viral evolution can vary dramatically among distantly related viral families. Variability in the speed of … Continue reading
Although the first miRNA was identified 18 years ago, it was only in 2001, with the development of technologies that allowed the efficient cDNA cloning and sequencing of small RNA species, that it became apparent that all multicellular eukaryotes encode … Continue reading