Functional cytochrome oxidase histochemistry in the honeybee brain.

Armengaud, C; Causse, N; Aït-Oubah, J; GINOLHAC, Aurélien; Gauthier, M

doi:10.1016/s0006-8993(00)02016-3

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Functional cytochrome oxidase histochemistry in the honeybee brain.

Armengaud, C; Causse, N; Aït-Oubah, J et al.

2000 • In Brain Research, 859 (2), p. 390-3

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https://hdl.handle.net/10993/58147

DOI
10.1016/s0006-8993(00)02016-3

PubMed
10719093

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Keywords :

Imidazoles; Insecticides; Neonicotinoids; Nitro Compounds; Receptors, Nicotinic; 3BN7M937V8 (imidacloprid); EC 1.9.3.1 (Electron Transport Complex IV); N9YNS0M02X (Acetylcholine); Acetylcholine/metabolism; Animals; Bees/anatomy & histology/metabolism; Brain/cytology/drug effects/metabolism; Electron Transport Complex IV/analysis/drug effects/metabolism; Ganglia, Invertebrate/cytology/drug effects/metabolism; Imidazoles/pharmacology; Insecticides/pharmacology; Neurons/cytology/drug effects/metabolism; Receptors, Nicotinic/drug effects/metabolism

Abstract :

[en] The variations of neural metabolism induced by surgical and chemical treatments were studied in the honeybee brain by the means of cytochrome oxidase (CO) histochemistry. CO staining is considerably reduced in the alpha-lobe by antennal input deprivation. Chemical stimulation (50 mM K(+)) was linked to an increase of CO staining in antennal lobes (AL) and to a decrease in the basal ring of calyces (Cal). Application of the nicotinic ligand imidacloprid (10(-4) M) resulted in increased CO labelling within 30 min in all the structures analysed. Treatment with a lower concentration (10(-8) M) resulted in reduced staining in Cal and central body (CB). We conclude that CO histochemistry can be used to identify the target structures of cholinergic ligands in the honeybee brain.

Disciplines :

Anatomy (cytology, histology, embryology...) & physiology

Author, co-author :

Armengaud, C; Laboratoire de Neurobiologie de l'Insecte, Université de Toulouse III, 118 route de Narbonne, 31062, Toulouse, France. carmenga@cict.fr

Causse, N

Aït-Oubah, J

GINOLHAC, Aurélien ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Life Sciences and Medicine (DLSM)

Gauthier, M

External co-authors :

Language :

English

Title :

Functional cytochrome oxidase histochemistry in the honeybee brain.

Publication date :

24 March 2000

Journal title :

Brain Research

ISSN :

0006-8993

eISSN :

1872-6240

Publisher :

Elsevier, Nl

Volume :

859

Issue :

Pages :

390-3

Peer reviewed :

Peer Reviewed verified by ORBi

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since 29 November 2023

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Bibliography

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