J
Jasper Akerboom
Researcher at Howard Hughes Medical Institute
Publications - 18
Citations - 5158
Jasper Akerboom is an academic researcher from Howard Hughes Medical Institute. The author has contributed to research in topics: GCaMP & Calcium imaging. The author has an hindex of 12, co-authored 18 publications receiving 4592 citations. Previous affiliations of Jasper Akerboom include Janelia Farm Research Campus.
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Journal ArticleDOI
Imaging neural activity in worms, flies and mice with improved GCaMP calcium indicators
Lin Tian,S. Andrew Hires,Tianyi Mao,Daniel Huber,M. Eugenia Chiappe,Sreekanth H. Chalasani,Leopoldo Petreanu,Jasper Akerboom,Sean A McKinney,Sean A McKinney,Eric R. Schreiter,Cornelia I. Bargmann,Vivek Jayaraman,Karel Svoboda,Loren L. Looger +14 more
TL;DR: A single-wavelength GCaMP2-based GECI (GCaMP3) is developed, with increased baseline fluorescence, increased dynamic range and higher affinity for calcium, and long-term imaging in the motor cortex of behaving mice revealed large fluorescence changes in imaged neurons over months.
Journal ArticleDOI
Optimization of a GCaMP calcium indicator for neural activity imaging.
Jasper Akerboom,Tsai Wen Chen,Trevor J. Wardill,Lin Tian,Lin Tian,Jonathan S. Marvin,Sevinç Mutlu,Sevinç Mutlu,Nicole Carreras Calderón,Nicole Carreras Calderón,Nicole Carreras Calderón,Federico Esposti,Bart G. Borghuis,Bart G. Borghuis,Xiaonan Richard Sun,Andrew Gordus,Michael B. Orger,Michael B. Orger,Ruben Portugues,Florian Engert,John J. Macklin,Alessandro Filosa,Aman Aggarwal,Aman Aggarwal,Rex Kerr,Ryousuke Takagi,Sebastian Kracun,Eiji Shigetomi,Baljit S. Khakh,Herwig Baier,Leon Lagnado,Samuel S.-H. Wang,Cornelia I. Bargmann,Bruce E. Kimmel,Vivek Jayaraman,Karel Svoboda,Douglas S. Kim,Eric R. Schreiter,Eric R. Schreiter,Loren L. Looger +39 more
TL;DR: GCaMP5 fluorescence provides a more reliable measure of neuronal activity than its predecessor GCaMP3, which allows more sensitive detection of neural activity in vivo and may find widespread applications for cellular imaging in general.
Journal ArticleDOI
An optimized fluorescent probe for visualizing glutamate neurotransmission
Jonathan S. Marvin,Bart G. Borghuis,Bart G. Borghuis,Lin Tian,Lin Tian,Joseph Cichon,Mark T. Harnett,Jasper Akerboom,Andrew Gordus,Sabine L. Renninger,Tsai Wen Chen,Cornelia I. Bargmann,Michael B. Orger,Eric R. Schreiter,Jonathan B. Demb,Wen-Biao Gan,S. Andrew Hires,Loren L. Looger +17 more
TL;DR: An intensity-based glutamate-sensing fluorescent reporter with signal-to-noise ratio and kinetics appropriate for in vivo imaging is described and its utility for visualizing glutamate release by neurons and astrocytes in increasingly intact neurological systems is validated.
Journal ArticleDOI
Genetically encoded calcium indicators for multi-color neural activity imaging and combination with optogenetics.
Jasper Akerboom,Nicole Carreras Calderón,Nicole Carreras Calderón,Nicole Carreras Calderón,Lin Tian,Lin Tian,Sebastian Wabnig,Matthias Prigge,Johan Tolö,Andrew Gordus,Michael B. Orger,Michael B. Orger,Kristen E. Severi,John J. Macklin,Ronak Patel,Stefan R. Pulver,Trevor J. Wardill,Trevor J. Wardill,Elisabeth Fischer,Christina Schüler,Tsai Wen Chen,Karen S. Sarkisyan,Jonathan S. Marvin,Cornelia I. Bargmann,Douglas S. Kim,Sebastian Kügler,Leon Lagnado,Peter Hegemann,Alexander Gottschalk,Eric R. Schreiter,Eric R. Schreiter,Loren L. Looger +31 more
TL;DR: Red, single-wavelength GECIs, “RCaMPs,” engineered from circular permutation of the thermostable red fluorescent protein mRuby are described and 2-color calcium imaging is demonstrated both within the same cell (registering mitochondrial and somatic [Ca2+]) and between two populations of cells: neurons and astrocytes.
Journal ArticleDOI
Crystal Structures of the GCaMP Calcium Sensor Reveal the Mechanism of Fluorescence Signal Change and Aid Rational Design
Jasper Akerboom,Jonathan D. Velez Rivera,María M. Rodríguez Guilbe,Elisa C. Alfaro Malave,Hector H. Hernandez,Lin Tian,S. Andrew Hires,Jonathan S. Marvin,Loren L. Looger,Eric R. Schreiter +9 more
TL;DR: In this article, the authors describe x-ray crystal structures as well as solution biophysical and spectroscopic characterization of GCaMP2 in the calcium-free dark state, and in two calcium-bound bright states.