PUBLICATION

Single neuron morphology in vivo with confined primed conversion

Authors
Mohr, M.A., Pantazis, P.
ID
ZDB-PUB-160608-15
Date
2016
Source
Methods in cell biology   133: 125-138 (Chapter)
Registered Authors
Pantazis, Periklis (Laki)
Keywords
Confocal laser scanning microscopy, Live imaging, Neural morphology, Optical sectioning, Photoconvertible fluorescent proteins, Spatial confinement
MeSH Terms
  • Animals
  • Brain/cytology
  • Embryo, Nonmammalian/cytology
  • Larva/cytology
  • Microscopy, Confocal/methods*
  • Neurites/ultrastructure
  • Neurons/cytology*
  • Single-Cell Analysis/methods*
  • Zebrafish/anatomy & histology*
  • Zebrafish/growth & development
PubMed
27263411 Full text @ Meth. Cell. Biol.
Abstract
Unraveling the structural organization of neurons can provide fundamental insights into brain function. However, visualizing neurite morphology in vivo remains difficult due to the high density and complexity of neural packing in the nervous system. Detailed analysis of neural morphology requires distinction of closely neighboring, highly intricate cellular structures such as neurites with high contrast. Green-to-red photoconvertible fluorescent proteins have become powerful tools to optically highlight molecular and cellular structures for developmental and cell biological studies. Yet, selective labeling of single cells of interest in vivo has been precluded due to inefficient photoconversion when using high intensity, pulsed, near-infrared laser sources that are commonly applied for achieving axially confined two-photon (2P) fluorescence excitation. Here we describe a novel optical mechanism, "confined primed conversion," which employs continuous dual-wave illumination to achieve confined green-to-red photoconversion of single cells in live zebrafish embryos. Confined primed conversion exhibits wide applicability and this chapter specifically elaborates on employing this imaging modality to analyze neural morphology of optically targeted single neurons in the developing zebrafish brain.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping