Convergent projections of Drosophila olfactory neurons to specific glomeruli in the antennal lobe.

Abstract:

:Candidate Drosophila olfactory receptors (ORs) provide molecular tools to investigate how the organization of the Drosophila olfactory system determines the coding of olfactory stimuli. Neurons in the third antennal segment and maxillary palp appear to express different ORs. Individual olfactory neurons send axonal projections to glomeruli in the antennal lobe. Using transgenic flies, we provide evidence that the neurons expressing a given OR gene, which have cell bodies distributed among neurons expressing other ORs, converge in their projections to topographically fixed glomeruli in the antennal lobe. This convergence allows for the formation of an odotopic map in the antennal lobe whose organization could provide a basis for olfactory discrimination in Drosophila.

journal_name

Nat Neurosci

journal_title

Nature neuroscience

authors

Gao Q,Yuan B,Chess A

doi

10.1038/77680

subject

Has Abstract

pub_date

2000-08-01 00:00:00

pages

780-5

issue

8

eissn

1097-6256

issn

1546-1726

journal_volume

3

pub_type

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