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  The antennal lobe of orthoptera - Anatomy and evolution

Ignell, R., Anton, S., & Hansson, B. (2001). The antennal lobe of orthoptera - Anatomy and evolution. Brain, behavior and evolution: official journal of thr J. B. Johnston Club, 57(1), 1-17. doi:10.1159/000047222.

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Ignell, R., Author
Anton, S., Author
Hansson, Bill1, Author           
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1External Organizations, ou_persistent22              

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Free keywords: MOTH MANDUCA-SEXTA; APIS-MELLIFERA; DROSOPHILA-MELANOGASTER; PERIPLANETA-AMERICANA; SCHISTOCERCA-GREGARIA; SPATIAL-ORGANIZATION; LOCUSTA-MIGRATORIA; CENTRAL PROJECTION; AFFERENT PATHWAY; RECEPTOR NEURONSorthoptera; evolution; antennal lobe; receptor neurons; projection neurons;
 Abstract: The first odor-processing neuropils of insects comprise glomeruli, islets of neuropil, that are supplied by olfactory receptor neurons and give rise to efferent axons to higher brain centers, Glomeruli size and organization varies in a taxon-specific manner across the Insecta, suggesting possible correlates between their organization and chemosensory behaviors in different insect groups. Comparative studies of antennal lobe glomeruli within the Orthoptera have been used to infer how the various taxon-specific arrangements of odorant-processing structures (glomeruli) might have evolved. The cellular arrangements in glomeruli have been surveyed using anterograde filling and Golgi impregnation of antennal receptor neurons projecting to the antennal lobe in Stenopelmatidae, Tettigoniidae, Gryllidae, Tetrigidae and Acrididae. These taxa, which represent the two suborders of Orthoptera, reveal a high correlation between the neural architecture of the glomeruli and structures within the glomeruli, Using a recent molecular phylogeny of the Orthoptera we have mapped the occurrence of glomerular characteristics to infer the evolution of antennal lobe structures in orthopterans. The functional implications of these results are discussed. Copyright (C) 2001 S. Karger AG, Basel.

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Language(s): eng - English
 Dates: 2001-01
 Publication Status: Issued
 Pages: -
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 Identifiers: DOI: 10.1159/000047222
Other: EXT169
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Title: Brain, behavior and evolution : official journal of thr J. B. Johnston Club
Source Genre: Journal
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Publ. Info: Basel ; Freiburg [Breisgau] ; Paris ; London ; New York ; Bangalore ; Bangkok ; Singapore ; Tokyo ; Sydney : Karger[u.a.] : Karger
Pages: - Volume / Issue: 57 (1) Sequence Number: - Start / End Page: 1 - 17 Identifier: Other: 0006-8977
CoNE: https://pure.mpg.de/cone/journals/resource/0006-8977