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The Weinstein Lab at the University of Chicago focuses on innovative DNA technologies and precision biology. Their pioneering work in DNA microscopy represents a sequencing-based approach to spatial biology, extending 2D cell cultures into 3D intact organisms. This approach operates on the fundamental principle of utilizing spatial relationships between biomolecules, encoded by DNA sequences, while leveraging controlled biochemical networks for computational reconstruction using optical systems. The lab's efforts led to volumetric DNA microscopy, which was introduced in a 2025 publication in Nature Biotechnology, successfully capturing 3D spatial transcriptomic information in intact specimens. By establishing a network of DNA barcodes within the specimen, they can encode molecular proximities through controlled reactions that encompass multiple length scales. This new method allows organism-scale spatial transcriptomics, improving upon existing optical microscopy techniques. Recent news highlights their achievements, including high-resolution spatially resolved genomic data, showcasing the potential impact of DNA microscopy in advancing biological understanding and research methodologies.
Department of Philosophy