この問題を解決しうるのが、生命の起源に関する有力な仮説「RNAワールド仮説」だ。RNAは情報を保存する能力（DNAのような役割）と、化学反応を触媒する能力（タンパク質のような役割）の両方を一つの分子で兼ね備えている。つまり、最初はRNAだけで情報の記録と自分自身のコピー作業の両方をこなしていた時代があったのではないか。これがRNAワールド仮説だ。
Morning Overview on MSN
RNA strand that nearly self-replicates could unlock life’s origin
A 45-nucleotide strand of RNA can now synthesize both its mirror-image complement and a copy of itself, bringing scientists ...
Researchers from Tokyo Medical and Dental University (TMDU) and Ionis Pharmaceuticals, USA, report a modification wherein replacing the RNA strand of a heteroduplex oligonucleotide with DNA may ...
Antisense oligonucleotides (ASO) hold great promise for pharmacotherapy. Now, researchers at Tokyo Medical and Dental University (TMDU) and Ionis Pharmaceuticals, advancing their earlier work on a ...
The RNA polymerase enzyme is a large complex made up of multiple subunits 1. The prokaryotic form of RNA polymerase has four subunits capable of transcribing all types of RNA. In eukaryotes, these ...
Nucleic acids are complex biological molecules that store and transmit genetic information in all living organisms. They are essential for the survival and reproduction of life on Earth. The two main ...
The RNA polymerase enzyme is a large complex made up of multiple subunits 1. The prokaryotic form of RNA polymerase has four subunits capable of transcribing all types of RNA. In eukaryotes, these ...
Developments in molecular diagnostics have been vital in discovering novel pathogens and diagnosing many human diseases. The recent coronavirus 2019 (COVID-19) pandemic, caused by severe acute ...
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