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Progressive neurogenesis defines lateralis somatotopy.
Dev. Dyn. 239, 1919-1930 (2010)
Fishes and amphibians localize hydromechanical variations along their bodies using the lateral-line sensory system. This is possible because the spatial distribution of neuromasts is represented in the hindbrain by a somatotopic organization of the lateralis afferent neurons' central projections. The mechanisms that establish lateralis somatotopy are not known. Using BAPTI and neuronal tracing in the zebrafish, we demonstrate growth anisotropy of the posterior lateralis ganglion. We characterized a new transgenic line for in vivo imaging to show that although peripheral growth-cone structure adumbrates somatotopy, the order of neurogenesis represents a more accurate predictor of the position of a neuron's central axon along the somatotopic axis in the hindbrain. We conclude that progressive neurogenesis defines lateralis somatotopy.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2010
HGF-reported in Year
0
ISSN (print) / ISBN
1058-8388
e-ISSN
1097-0177
Journal
Developmental Dynamics
Quellenangaben
Volume: 239,
Issue: 7,
Pages: 1919-1930
Publisher
Wiley
Reviewing status
Peer reviewed
POF-Topic(s)
30204 - Cell Programming and Repair
Research field(s)
Stem Cell and Neuroscience
PSP Element(s)
G-500100-001
PubMed ID
20549716
Erfassungsdatum
2010-12-31