Allatostatin Immunoreactivity in the Honeybee Brain

Kreißl, Sabine; Strasser, Christine; Galizia, C. Giovanni

Allatostatin Immunoreactivity in the Honeybee Brain

Dateien

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Datum

2010

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Journal of Comparative Neurology. 2010, 518(9), pp. 1391-1417. ISSN 0021-9967. eISSN 1096-9861. Available under: doi: 10.1002/cne.22343

Zusammenfassung

Information transmission and processing in the brain is achieved through a small family of chemical neurotransmitters and neuromodulators and a very large family of neuropeptides. In order to understand neural networks in the brain it will be necessary, therefore, to understand the connectivity, morphology, and distribution of peptidergic neurons, and to elucidate their function in the brain. In this study we characterize the distribution of substances related to Dip-allatostatin I in the honeybee brain, which belongs to the allatostatin-A (AST) peptide family sharing the conserved c-terminal sequence -YXFGL-NH2. We found about 500 AST-immunoreactive (ASTir) neurons in the brain, scattered in 18 groups that varied in their precise location across individuals. Almost all areas of the brain were innervated by ASTir fibers. Most ASTir neurites formed networks within functionally distinct areas, e.g., the antennal lobes, the mushroom bodies, or the optic lobes, indicating local functions of the peptide. A small number of very large neurons had widespread arborizations and neurites were found in the corpora cardiaca and in the cervical connectives, suggesting that AST also has global functions. We double-stained AST and GABA and found that a subset of ASTir neurons were GABA-immunoreactive (GABAir). Double staining AST with backfills of olfactory receptor neurons or mass fills of neurons in the antennal lobes and in the mushroom bodies allowed a more fine-grained description of ASTir networks. Together, this first comprehensive description of AST in the bee brain suggests a diverse functional role of AST, including local and global computational tasks.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

KREISSL, Sabine, Christine STRASSER, C. Giovanni GALIZIA, 2010. Allatostatin Immunoreactivity in the Honeybee Brain. In: Journal of Comparative Neurology. 2010, 518(9), pp. 1391-1417. ISSN 0021-9967. eISSN 1096-9861. Available under: doi: 10.1002/cne.22343

BibTex

@article{Kreil2010Allat-6701,
  year={2010},
  doi={10.1002/cne.22343},
  title={Allatostatin Immunoreactivity in the Honeybee Brain},
  number={9},
  volume={518},
  issn={0021-9967},
  journal={Journal of Comparative Neurology},
  pages={1391--1417},
  author={Kreißl, Sabine and Strasser, Christine and Galizia, C. Giovanni}
}

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