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. 2024 Mar 28;187(7):1769-1784.e18.
doi: 10.1016/j.cell.2024.02.033.

Unraveling cellular complexity with transient adapters in highly multiplexed super-resolution imaging

Florian Schueder  1 , Felix Rivera-Molina  2 , Maohan Su  2 , Zach Marin  3 , Phylicia Kidd  2 , James E Rothman  4 , Derek Toomre  2 , Joerg Bewersdorf  5
Affiliations

Unraveling cellular complexity with transient adapters in highly multiplexed super-resolution imaging

Florian Schueder et al. Cell. .

Abstract

Mapping the intricate spatial relationships between the many different molecules inside a cell is essential to understanding cellular functions in all their complexity. Super-resolution fluorescence microscopy offers the required spatial resolution but struggles to reveal more than four different targets simultaneously. Exchanging labels in subsequent imaging rounds for multiplexed imaging extends this number but is limited by its low throughput. Here, we present a method for rapid multiplexed super-resolution microscopy that can, in principle, be applied to a nearly unlimited number of molecular targets by leveraging fluorogenic labeling in conjunction with transient adapter-mediated switching for high-throughput DNA-PAINT (FLASH-PAINT). We demonstrate the versatility of FLASH-PAINT with four applications: mapping nine proteins in a single mammalian cell, elucidating the functional organization of primary cilia by nine-target imaging, revealing the changes in proximity of thirteen different targets in unperturbed and dissociated Golgi stacks, and investigating and quantifying inter-organelle contacts at 3D super-resolution.

Keywords: DNA-PAINT; FLASH-PAINT; multiplexing; nanoscopy; spatial omics; super-resolution.

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Conflict of interest statement

Declaration of interests F.S. and J.B. filed patent applications with the U.S. patent office covering the conceptional ideas of this study. J.B. has licensed IP to Bruker Corp. and Hamamatsu Photonics. J.B. is a consultant for Bruker Corp. J.B. is a founder of panluminate, Inc.

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