A new technology called Malva has enabled ultrafast, reference-free searching of raw single-cell sequences across millions of cells, transforming static transcriptomic atlases into dynamic resources for understanding the functions of sequences.[220063] However, researchers have also found that artefacts in single-cell mtDNA analyses can misinform phylogenies, leading to inaccurate conclusions about the evolutionary relationships between organisms.[2315][2314] The discovery of these artefacts highlights the importance of careful data analysis and validation in single-cell DNA studies, and underscores the need for further research into the causes and consequences of these artefacts.[2315][2314] The findings, published in Nature, provide new insights into the complexities of single-cell DNA analysis and highlight the need for more advanced technologies and methods to improve our understanding of the molecular mechanisms underlying life.[220063][2315][2314]