Localization of allatostatin-immunoreactive material in the central nervous system, stomatogastric nervous system, and gut of the cockroach Blattella germanica

Archives of Insect Biochemistry and Physiology
J L MaestroH Duve

Abstract

Immunoreactivity against peptides of the allatostatin family having a typical YXFGL-NH2 C-terminus has been localized in different areas of the central nervous system, stomatogastric nervous system and gut of the cockroach Blattella germanica. In the protocerebrum, the most characteristic immunoreactive perikarya are situated in the lateral and median neurosecretory cell groups. Immunoreactive median neurosecretory cells send their axons around the circumesophageal connectives to form arborizations in the anterior neuropil of the tritocerebrum. A group of cells in the lateral aspect of the tritocerebrum project to the antennal lobes in the deutocerebrum, where immunoreactive arborizations can be seen in the periphery of individual glomeruli. Nerve terminals were shown in the corpora allata. These terminals come from perikarya situated in the lateral neurosecretory cells in the pars lateralis and in the subesophageal ganglion. Immunoreactive axons from median neurosecretory cells and from cells positioned in the anteriormost part of the tritocerebrum enter together in the stomatogastric nervous system and innervate foregut and midgut, especially the crop and the valve between the crop and the midgut. The hindgut is innervated by...Continue Reading

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Citations

Feb 17, 2000·Annals of the New York Academy of Sciences·W G BendenaS S Tobe
Sep 9, 2008·General and Comparative Endocrinology·N Audsley, R J Weaver
Feb 27, 2010·The Journal of Comparative Neurology·Sabine KreisslC Giovanni Galizia
Mar 15, 2006·Cell and Tissue Research·Petra SkiebeHans-Joachim Pflüger
Aug 10, 2011·The Journal of Comparative Neurology·Susanne NeupertReinhard Predel
Dec 16, 2004·Archives of Insect Biochemistry and Physiology·Marlene DaveyPeter East
May 11, 2010·Journal of Insect Physiology·Lisa Robertson, Angela B Lange

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