ArticleCommunications biology2021
Quantitative linear dichroism imaging of molecular processes in living cells made simple by open software tools.
Article in Communications biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 11 citations in OpenAlex.
- FLIPs: Genetically encoded molecular biosensors for functional imaging of cell signaling by linear dichroism microscopy.Science advances · 2026Article
- A genetically encoded nanobody sensor reveals conformational diversity in β-arrestins orchestrated by distinct seven transmembrane receptors.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Illuminating cellular architecture and dynamics with fluorescence polarization microscopy.Journal of cell science · 2024Review
- OOPS: Object-Oriented Polarization Software for analysis of fluorescence polarization microscopy images.PLoS computational biology · 2024Article
- Linear Dichroism Measurements for the Study of Protein-DNA Interactions.International journal of molecular sciences · 2023Review
Corrections and comments
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Authors and funding
11 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fluorescence-detected linear dichroism microscopy allows observing various molecular processes in living cells, as well as obtaining quantitative information on orientation of fluorescent molecules associated with cellular features. Such information can provide insights into protein structure, aid in development of genetically encoded probes, and allow determinations of lipid membrane properties. However, quantitating and interpreting linear dichroism in biological systems has been laborious and unreliable. Here we present a set of open source ImageJ-based software tools that allow fast and easy linear dichroism visualization and quantitation, as well as extraction of quantitative information on molecular orientations, even in living systems. The tools were tested on model synthetic lipid vesicles and applied to a variety of biological systems, including observations of conformational changes during G-protein signaling in living cells, using fluorescent proteins. Our results show that our tools and model systems are applicable to a wide range of molecules and polarization-resolved microscopy techniques, and represent a significant step towards making polarization microscopy a mainstream tool of biological imaging.
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Registered trials
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