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HKUST researchers unveil long-sought noncanonical cleavage mechanism in miRNA biogenesis

The discovery of the noncanonical cleavage mechanism solves a two-decade-long mystery in molecular biology regarding the cleavage of numerous pri-miRNAs in animals. The study reveals previously unrecognized DROSHA recognition sites, which are critical for noncanonical cleavage and can also function in the canonical mechanism.

A glimpse into the formation of mitoribosome

A recent study published in the EMBO Journal has provided new insights into the formation of mitoribosomes, revealing a complex network of assembly factors that shield the sensitive ribosomal core. The researchers identified five key assembly factors that are conserved across different species, including humans.

SourceScience For Life Laboratory·JournalThe EMBO Journal·DateFeb 16, 2021

Length matters in gene expression

Research reveals that gene length is crucial for protein expression, with shorter genes utilizing specialized terminators to avoid repression. This finding highlights the importance of gene ends in regulating gene activity.

SourceAarhus University·JournalGenes & Development·DateOct 2, 2012

NIH grants enable energy studies

The NIH grants will support the study of cytochrome c biogenesis pathways in bacteria and humans. The long-term goal is to engineer electrical nanowires into E.coli to make an efficient biofuel cell. Researchers will also develop a screen to find inhibitors of the pathways, which could be potential antimicrobial agents.