High-performance calcium sensors for imaging activity in neuronal populations and microcompartments

Hod Dana; Yi Sun; Boaz Mohar; Brad K. Hulse; Aaron M. Kerlin; Jeremy P. Hasseman; Getahun Tsegaye; Arthur Tsang; Allan Wong; Ronak Patel; John J. Macklin; Yang Chen; Arthur Konnerth; Vivek Jayaraman; Loren L. Looger; Eric R. Schreiter; Karel Svoboda; Douglas S. Kim

doi:10.1038/s41592-019-0435-6

High-performance calcium sensors for imaging activity in neuronal populations and microcompartments

Hod Dana, Yi Sun, Boaz Mohar, Brad K. Hulse, Aaron M. Kerlin, Jeremy P. Hasseman, Getahun Tsegaye, Arthur Tsang, Allan Wong, Ronak Patel, John J. Macklin, Yang Chen, Arthur Konnerth, Vivek Jayaraman, Loren L. Looger, Eric R. Schreiter, Karel Svoboda, Douglas S. Kim

Neuroscience

Research output: Contribution to journal › Article › peer-review

94 Scopus citations

Abstract

Calcium imaging with genetically encoded calcium indicators (GECIs) is routinely used to measure neural activity in intact nervous systems. GECIs are frequently used in one of two different modes: to track activity in large populations of neuronal cell bodies, or to follow dynamics in subcellular compartments such as axons, dendrites and individual synaptic compartments. Despite major advances, calcium imaging is still limited by the biophysical properties of existing GECIs, including affinity, signal-to-noise ratio, rise and decay kinetics and dynamic range. Using structure-guided mutagenesis and neuron-based screening, we optimized the green fluorescent protein-based GECI GCaMP6 for different modes of in vivo imaging. The resulting jGCaMP7 sensors provide improved detection of individual spikes (jGCaMP7s,f), imaging in neurites and neuropil (jGCaMP7b), and may allow tracking larger populations of neurons using two-photon (jGCaMP7s,f) or wide-field (jGCaMP7c) imaging.

Original language	English (US)
Pages (from-to)	649-657
Number of pages	9
Journal	Nature Methods
Volume	16
Issue number	7
DOIs	https://doi.org/10.1038/s41592-019-0435-6
State	Published - Jul 1 2019

Bibliographical note

Funding Information:
We thank D. Flickinger for design of the microscope used for spine imaging, M. Reiser, M. Isaacson, J. Chen, J. Liu and A. Chiu for the G4.0 panel display system used in the fly-on-ball imaging experiments and D. Walpita and J. Hagemeier for neuronal culture (all from Janelia). This work is part of the GENIE Project at the Howard Hughes Medical Institute, Janelia Research Campus. A.K. is supported by the Hertie Foundation.

Publisher Copyright:
© 2019, The Author(s), under exclusive licence to Springer Nature America, Inc.

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Dana, H., Sun, Y., Mohar, B., Hulse, B. K., Kerlin, A. M., Hasseman, J. P., Tsegaye, G., Tsang, A., Wong, A., Patel, R., Macklin, J. J., Chen, Y., Konnerth, A., Jayaraman, V., Looger, L. L., Schreiter, E. R., Svoboda, K., & Kim, D. S. (2019). High-performance calcium sensors for imaging activity in neuronal populations and microcompartments. Nature Methods, 16(7), 649-657. https://doi.org/10.1038/s41592-019-0435-6

High-performance calcium sensors for imaging activity in neuronal populations and microcompartments. / Dana, Hod; Sun, Yi; Mohar, Boaz; Hulse, Brad K.; Kerlin, Aaron M.; Hasseman, Jeremy P.; Tsegaye, Getahun; Tsang, Arthur; Wong, Allan; Patel, Ronak; Macklin, John J.; Chen, Yang; Konnerth, Arthur; Jayaraman, Vivek; Looger, Loren L.; Schreiter, Eric R.; Svoboda, Karel; Kim, Douglas S.

In: Nature Methods, Vol. 16, No. 7, 01.07.2019, p. 649-657.

Research output: Contribution to journal › Article › peer-review

Dana, H, Sun, Y, Mohar, B, Hulse, BK, Kerlin, AM, Hasseman, JP, Tsegaye, G, Tsang, A, Wong, A, Patel, R, Macklin, JJ, Chen, Y, Konnerth, A, Jayaraman, V, Looger, LL, Schreiter, ER, Svoboda, K & Kim, DS 2019, 'High-performance calcium sensors for imaging activity in neuronal populations and microcompartments', Nature Methods, vol. 16, no. 7, pp. 649-657. https://doi.org/10.1038/s41592-019-0435-6

Dana, Hod ; Sun, Yi ; Mohar, Boaz ; Hulse, Brad K. ; Kerlin, Aaron M. ; Hasseman, Jeremy P. ; Tsegaye, Getahun ; Tsang, Arthur ; Wong, Allan ; Patel, Ronak ; Macklin, John J. ; Chen, Yang ; Konnerth, Arthur ; Jayaraman, Vivek ; Looger, Loren L. ; Schreiter, Eric R. ; Svoboda, Karel ; Kim, Douglas S. / High-performance calcium sensors for imaging activity in neuronal populations and microcompartments. In: Nature Methods. 2019 ; Vol. 16, No. 7. pp. 649-657.

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High-performance calcium sensors for imaging activity in neuronal populations and microcompartments

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