MELBOURNE, Australia — Researchers from The Florey Institute of Neuroscience and Mental Health and the University of Melbourne have published a Perspective in Ferroptosis and Oxidative Stress , calling for wider use of forward-genetic approaches to uncover unknown regulators of ferroptosis, an iron-dependent form of regulated cell death.
Ferroptosis has become an important area of biomedical research because it has been implicated in cancer, neurodegeneration and ischaemia-reperfusion injury. Much of the field has relied on reverse genetics: selecting known or suspected genes and testing their roles. The new article argues that forward genetics offers a complementary route—starting with an observable trait, such as altered sensitivity to ferroptotic stress, and then identifying the genes responsible.
In the Perspective, published in Ferroptosis and Oxidative Stress , Chong Yi Ng, Nicole L. Jenkins, Ashley I. Bush and Gawain McColl focus on the nematode Caenorhabditis elegans as an efficient system for this work. Its short generation time, large brood sizes, genetic tools and optical transparency make the organism well suited to large-scale genetic screening and real-time study of cell-death-associated processes.
The authors describe several strategies that could be adapted for ferroptosis research, including chemical mutagenesis screens, genetic modifier screens and quantitative trait locus mapping. They also examine how modern methods—including CRISPR-based screens, whole-genome sequencing, single-cell analysis and studies of natural genetic variation—could accelerate the identification and validation of candidate genes.
The Perspective notes that C. elegans is a discovery platform, not a complete replacement for mammalian or human systems. Some mammalian ferroptosis pathways are not fully conserved in the nematode, and promising findings would require validation in mammalian cells, organoids and appropriate preclinical models.
Still, the authors suggest that a broader genetic approach could help address unanswered questions in ferroptosis biology, including why sensitivity varies between cells and tissues, how the pathway changes with ageing, and which previously unknown mechanisms might be relevant to disease. Such discoveries could ultimately help guide research on biomarkers and therapeutic targets.
Ferroptosis and Oxidative Stress
Commentary/editorial
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Forward genetic approaches using Caenorhabditis elegans for uncovering novel regulators of ferroptosis
23-Jun-2026
Ashley I. Bush is an Editor of Ferroptosis and Oxidative Stress. He is also a shareholder in Alterity Therapeutics Ltd and Cogstate Ltd, and has a profit-share arrangement with Collaborative Medicinal Development Pty Ltd. The other authors declare no conflicts of interest.