RNA World

What is a CRISPR Cas system?


The CRISPR-Cas systems found in bacteria and archaea are versatile small RNAs for adaptive defense and regulation Bacteria and archaea have evolved various defense and regulatory mechanisms allowing them to react to various stressful situations caused by the environment, such… Read More ›

Are viruses hiding within us?


Recent research results indicate that viral sequences are part of us. Endogenous viral elements (EVEs) or endogenous retroviral elements (ERVs) have been identified in eukaryotic genomes including the human genome. The findings revealed the enormous scale of the invasion of… Read More ›