A new reply published in *Nature* addresses concerns regarding inaccuracies in phylogenetic analyses stemming from single-cell mitochondrial DNA (mtDNA) studies. Researchers found that artifacts within these analyses can misinform evolutionary relationships.
The reply, published online on August 19, 2026, responds to prior research highlighting issues with single-cell mtDNA analyses. The core problem, according to the researchers, is the presence of artifacts that can distort the understanding of evolutionary history. These artifacts arise during the process of analyzing mtDNA from individual cells.
The study specifically points out that these artifacts can lead to incorrect conclusions about how different organisms or cell types are related to each other. This is particularly important in fields like evolutionary biology, medicine, and developmental biology, where accurate phylogenetic trees are crucial for understanding biological processes. The researchers emphasize the need for caution when interpreting results from single-cell mtDNA analyses and suggest that further research is needed to develop methods for identifying and correcting these artifacts. The DOI for the article is 10.1038/s41586-026-10776-1.
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