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In-vivo two-photon imaging of the honey bee antennal lobe

Haase, Albrecht ; Rigosi, Elisa LU ; Trona, Federica ; Anfora, Gianfranco ; Vallortigara, Giorgio ; Antolini, Renzo and Vinegoni, Claudio (2011) In Biomedical Optics Express 2(1). p.131-138
Abstract

Due to the honey bee's importance as a simple neural model, there is a great need for new functional imaging modalities. Herein we report on the development and new finding of a combined two-photon microscope with a synchronized odor stimulus platform for in-vivo functional and morphological imaging of the honey bee's olfactory system focusing on its primary centers, the antennal lobes (ALs). Our imaging platform allows for simultaneously obtaining both morphological measurements of the AL's functional units, the glomeruli, and in-vivo calcium recording of their neural activities. By applying external odor stimuli to the bee's antennae, we were able to record the characteristic glomerular odor response maps. Compared to previous works... (More)

Due to the honey bee's importance as a simple neural model, there is a great need for new functional imaging modalities. Herein we report on the development and new finding of a combined two-photon microscope with a synchronized odor stimulus platform for in-vivo functional and morphological imaging of the honey bee's olfactory system focusing on its primary centers, the antennal lobes (ALs). Our imaging platform allows for simultaneously obtaining both morphological measurements of the AL's functional units, the glomeruli, and in-vivo calcium recording of their neural activities. By applying external odor stimuli to the bee's antennae, we were able to record the characteristic glomerular odor response maps. Compared to previous works where conventional fluorescenc microscopy was used, our approach has been demonstrated to offer all the advantages of multi-photon imaging, providing substantial enhancement in both spatial and temporal resolutions while minimizing photo-damages. In addition, compared to previous full-fiel microscopy calcium recordings, a four-fold improvement in the functional signal has been achieved. Finally, the multi-photon associated extended penetration depth allows for functional imaging of profound glomeruli.

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publishing date
type
Contribution to journal
publication status
published
in
Biomedical Optics Express
volume
2
issue
1
pages
8 pages
publisher
Optical Society of America
external identifiers
  • scopus:79954634268
ISSN
2156-7085
DOI
10.1364/BOE.2.000131
language
English
LU publication?
no
id
010cb69d-00d3-4519-a463-ef029b253590
date added to LUP
2023-10-12 09:34:58
date last changed
2023-11-15 15:27:22
@article{010cb69d-00d3-4519-a463-ef029b253590,
  abstract     = {{<p>Due to the honey bee's importance as a simple neural model, there is a great need for new functional imaging modalities. Herein we report on the development and new finding of a combined two-photon microscope with a synchronized odor stimulus platform for in-vivo functional and morphological imaging of the honey bee's olfactory system focusing on its primary centers, the antennal lobes (ALs). Our imaging platform allows for simultaneously obtaining both morphological measurements of the AL's functional units, the glomeruli, and in-vivo calcium recording of their neural activities. By applying external odor stimuli to the bee's antennae, we were able to record the characteristic glomerular odor response maps. Compared to previous works where conventional fluorescenc microscopy was used, our approach has been demonstrated to offer all the advantages of multi-photon imaging, providing substantial enhancement in both spatial and temporal resolutions while minimizing photo-damages. In addition, compared to previous full-fiel microscopy calcium recordings, a four-fold improvement in the functional signal has been achieved. Finally, the multi-photon associated extended penetration depth allows for functional imaging of profound glomeruli.</p>}},
  author       = {{Haase, Albrecht and Rigosi, Elisa and Trona, Federica and Anfora, Gianfranco and Vallortigara, Giorgio and Antolini, Renzo and Vinegoni, Claudio}},
  issn         = {{2156-7085}},
  language     = {{eng}},
  month        = {{01}},
  number       = {{1}},
  pages        = {{131--138}},
  publisher    = {{Optical Society of America}},
  series       = {{Biomedical Optics Express}},
  title        = {{In-vivo two-photon imaging of the honey bee antennal lobe}},
  url          = {{http://dx.doi.org/10.1364/BOE.2.000131}},
  doi          = {{10.1364/BOE.2.000131}},
  volume       = {{2}},
  year         = {{2011}},
}