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Although it has been known for decades that RNA is subjected to numerous covalent modifications, there has been a recent surge in interest driven by sequencing-based transcriptome-wide detection methods and the realization that RNA modifications have important roles in diverse biological processes. This Review describes the range of detection strategies for RNA modifications, their particular strengths and limitations, and how responsible and complementary application of these techniques will be required to ensure the quality and interpretability of the rapidly accumulating data sets.
Next-generation sequencing has facilitated the study of how transposable elements and retroviruses select their diverse genomic sites of integration, and revealed integration site preferences that range from specific nucleotide sequences to particular chromatin states. The authors review the various mechanisms of integration site selection in eukaryotes, as well as the molecular and cellular determinants that guide this process.
Advances in genetics and genomics have transformed the field of organ transplantation. Here, the authors review the role of genetic dissimilarities between donor and recipient in transplant tolerance and rejection, and how the identification of genetic variants that predict adverse transplant outcomes can be used for personalized medicine.
