This article presents a comprehensive global genetic interaction map of a human cell, specifically utilizing the HAP1 haploid cell line. By employing CRISPR-Cas9 technology to perturb approximately four million gene pairs, researchers identified nearly 89,000 unique genetic interactions. This extensive network reveals a hierarchical organization where genes cluster into modules representing protein complexes, biological pathways, and cellular compartments. The study demonstrates that the fundamental topology of these genetic networks is largely conserved from yeast to humans. Furthermore, integrating this data with the Cancer Dependency Map (DepMap) helps explain the molecular mechanisms behind cancer cell vulnerabilities and identifies potential therapeutic targets. Ultimately, this research provides a functional atlas for understanding how genetic modifiers influence cellular health and human disease.

References:

• Billmann M, Costanzo M, Zhang X, et al. Global genetic interaction network of a human cell maps conserved principles and informs functional interpretation of gene co-essentiality profiles[J]. Cell, 2026.