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The number of tRNA isodecoders has increased dramatically in mammals, but the specific molecular and physiological reasons for this expansion remain elusive. To address this fundamental question we used CRISPR editing to knockout the seven-membered phenylalanine tRNA gene family in mice, both individually and combinatorially.

The discovery of CRISPR-Cas9 and its widespread use has revolutionised and propelled research in biological sciences.

Aleksandra Filipovska FAA, FAHMS BSc PhD Louis Landau Chair in Child Health Research; NHMRC Leadership Fellow; Deputy Director, ARC Centre of

Aleksandra Filipovska FAA, FAHMS BSc PhD Louis Landau Chair in Child Health Research; NHMRC Leadership Fellow; Deputy Director, ARC Centre of

The generous support of West Australians through Channel 7’s Telethon Trust will help support vital child health research at The Kids Research Institute Australia in 2023.

Two research teams, led by The Kids Research Institute Australia, have been awarded more than $2 million to fund innovative projects.

Mitophagy preserves overall mitochondrial fitness by selectively targeting damaged mitochondria for degradation. The regulatory mechanisms that prevent PTEN-induced putative kinase 1 (PINK1) and E3 ubiquitin ligase Parkin (PINK1/Parkin)-dependent mitophagy and other selective autophagy pathways from overreacting while ensuring swift progression once initiated are largely elusive. 

Mitochondria rely on coordinated expression of their own mitochondrial DNA (mtDNA) with that of the nuclear genome for their biogenesis. The bacterial ancestry of mitochondria has given rise to unique and idiosyncratic features of the mtDNA and its expression machinery that can be specific to different organisms. In animals, the mitochondrial protein synthesis machinery has acquired many new components and mechanisms over evolution.

The rarity of the mesenchymal stem cell (MSC) population poses a significant challenge for MSC research. Therefore, these cells are often expanded in vitro, prior to use. However, long-term culture has been shown to alter primary MSC properties.

Mitochondria are hubs of metabolic activity with a major role in ATP conversion by oxidative phosphorylation (OXPHOS). The mammalian mitochondrial genome encodes 11 mRNAs encoding 13 OXPHOS proteins along with 2 rRNAs and 22 tRNAs, that facilitate their translation on mitoribosomes.