2007
DOI: 10.1002/dneu.20381
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Direct peptide profiling of lateral cell groups of the antennal lobes of Manduca sexta reveals specific composition and changes in neuropeptide expression during development

Abstract: The paired antennal lobes are the first integration centers for odor information in the insect brain. In the sphinx moth Manduca sexta, like in other holometabolous insects, they are formed during metamorphosis. To further understand mechanisms involved in the formation of this particularly well investigated brain area, we performed a direct peptide profiling of a well defined cell group (the lateral cell group) of the antennal lobe throughout development by MALDI-TOF mass spectrometry. Although the majority o… Show more

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Cited by 26 publications
(40 citation statements)
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“…Direct profiling of ALs of several insects including M. sexta, Heliothis virescens, Apis mellifera, and the beetle Tribolium castaneum by MALDI-TOF mass spectrometry suggests about 40-50 different neuropeptides in the ALs of each of these species (Berg et al, 2007;Utz et al, 2007;and unpublished). Neuropeptides have often been considered as cotransmitters that are released in concert with a principal transmitter (Vilim et al, 2000;Nässel, 2002).…”
Section: Possible Roles Of Mas-at and Other Neuropeptides During Al Dmentioning
confidence: 96%
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“…Direct profiling of ALs of several insects including M. sexta, Heliothis virescens, Apis mellifera, and the beetle Tribolium castaneum by MALDI-TOF mass spectrometry suggests about 40-50 different neuropeptides in the ALs of each of these species (Berg et al, 2007;Utz et al, 2007;and unpublished). Neuropeptides have often been considered as cotransmitters that are released in concert with a principal transmitter (Vilim et al, 2000;Nässel, 2002).…”
Section: Possible Roles Of Mas-at and Other Neuropeptides During Al Dmentioning
confidence: 96%
“…Mass spectrometric analysis of neuropeptides in the ALs of M. sexta, Heliothis virescens, the honeybee, and Tribolium castaneum even suggest about 40-50 different neuropeptides in the ALs of each of these species (Berg et al, 2007;Utz et al, 2007;and unpublished). Neuropeptides might operate as cotransmitters of GABA (c-aminobutyric acid), the principle transmitter of local AL interneurons .…”
Section: Introductionmentioning
confidence: 93%
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“…For example, in different moth species, allatostatin A-type peptide, allatotropin, myoinhibitory peptide, FMRFamide-related peptides, and tachykinin-related peptides are expressed in AL neurons (Iwano and Kanzaki, 2005;Berg et al, 2007;Utz et al, 2007). Especially tachykinin-related peptides seem to be ubiquitous in the insect AL and have been observed in as diverse species as cockroaches, honeybees, moths, and flies (Schachtner et al, 2005).…”
mentioning
confidence: 96%
“…In addition to GABA and acetylcholine it is likely that certain neuropeptides are used as neuromodulators in the antennal lobe circuitry of insects (15,16), as also suggested in the olfactory bulb in mammals (17,18). One neuropeptide gene that has been implicated in olfactory processing is dtk (19), a gene encoding 5 tachykinin-related peptides, DTKs (20).…”
mentioning
confidence: 99%