How do RNA molecules distinguish self from non-self? - PubMed
3 hours ago
- #RNA self-recognition
- #homotypic clustering
- #palindromic sequences
- RNA molecules can distinguish self from non-self via palindromic sequences that enable homotypic clustering, such as in germ granules.
- Without palindromes, RNA-RNA interactions struggle to form homotypic clusters due to competition between intra- and intermolecular structures.
- This palindrome-based clustering hypothesis explains behaviors in nanos and pgc mRNAs and suggests evolutionary selection pressure on RNA palindrome content.
- The study uses in silico modeling to propose mechanisms for RNA self-recognition and its implications in biological contexts like phase separation and condensate formation.