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miRNAs & RNA interference - Coggle Diagram
miRNAs & RNA interference
Functional RNAs
:star:
mRNA
: Codes for proteins
tRNA:
Required for codon recognition by ribosome & delivery of correct aa during translation
rRNA
: Interacts with mRNA & tRNA
miRNA:
micro RNA
3 modes
Translation inhibition
Increased mRNA turnover
Chromatin remodelling
LncRNA:
Long non-coding RNA
siRNA:
short interfering RNA
piRNA:
piwi interaction RNA
RNA induced silencing complex (RISC)
Effects
RISC can recruit chromatin remodelling proteins to target promoters
Reduced histone acetylation - repression
RNAi molecules
microRNA (miRNA)
Biological synthesis of miRNA
Molecular activities of miRNAs
Dysregulated miRNA activity & disease