Title: Immunocytochemical localization of a diuretic hormone of the beetle Tenebrio molitor, Tenmo-DH(37), in nervous system and midgut
Authors: Wiehart, U I M
Torfs, P
Van Lommel, Alfons
Nicolson, S W
Schoofs, Liliane # ×
Issue Date: Jun-2002
Publisher: Springer-Verlag
Series Title: Cell and tissue research vol:308 issue:3 pages:421-429
Abstract: Although the mealworm Tenebrio molitor inhabits very dry environments, it has at least two diuretic peptides, which increase fluid secretion by the free portions of the Malpighian tubules. Unlike other insect corticotropin-releasing factor (CRF)-related peptides isolated to date, these are non-amidated peptides. The immunocytochemical localization of Tenmo-DH(37) was investigated using antisera raised against this hormone. Immunoreactive neurosecretory cells were found in the brain and abdominal ganglia with immunoreactive processes projecting to the peripheral nervous system. Intense staining of the neurohaemal release site, the corpora cardiaca, was observed. In addition, neurosecretory cells immunoreactive to Tenmo-DH(37) were found in the posterior midgut and a network of immunoreactive nerve processes extended over the surface of the midgut. Tenmo-DH(37) is widely distributed and its staining pattern resembles that found for other, amidated CRF-related diuretic peptides.
ISSN: 0302-766X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Animal Physiology and Neurobiology Section - miscellaneous
Translational Cell & Tissue Research
× corresponding author
# (joint) last author

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