Divergent Evolution: Reasons Behind Genome Difference Between Species

A recent article published by, Science Daily, discusses the evolution and structure of genes and explains the differences between the three domains: bacteria, archeabacteria, and eukarya. A study headed by Llius Ribas de Pouplana of ICREA, analyzes the distribution and abundance of transfer RNA (an important RNA for the translation of genes to proteins).

The activity of enzymes changes tRNA composition and allows the tRNA to recognize up to three distinct codons.  The scientists found that the activity of the bacterial and eukaryal enzymes is different. Which lead to the explanations the genome and gene composition of bacteria, eukaya, and archaea and how the three domains have diverged. The findings of this study will lead to the further understanding of how the translation machinery works in different species.