Below are a few highlights from the article:

• RNAs exhibit diverse spatiotemporal localization patterns at PB core and periphery
• Extent of stable or transient RNA-PB interactions depends on RNA functionality
• Positioning of cis-regulatory miRNA target sites influences PB interaction kinetics
• PBs contribute to miRNA surveillance but less to mRNA decay

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The article is featured in Perspectives by Chowdhury et al., Molecular Cell, 2019