By P. D. Evans, V. B. Wigglesworth
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Extra resources for Advances in Insect Physiology, Vol. 19
Holman, G. M. and Cook, B. J. (1985). Proctolin, its presence in and action on the oviduct of an insect. Comp. Biochem. Physiol. 80(1), 61-64. Hooper, S. L . , and Marder, E . (1984). Modulation of a central pattern generator by two neuropeptides, proctolin and FMRFamide. Brain Research 305, 186-191. Hooper, S. L. and Marder, E. (1985). Neuronal targets of the modulatory action of proctolin on the pyloric system of the stomatogastric ganglion of Panulirus interruptus. SOC. Neurosci. Abst. 11,478.
Thus, in Draeculacephala crassicornis, J H treatment of diapausing insects slightly hastened sperm maturation (Reissing and Kamm, 1975). In Eurygaster integriceps, JHA treatment during prediapause accelerated spermatogenesis which, however, remained incomplete (Shinyaeva, 1981). 3 M. RAABE NEUROHORMONAL FACTORS A brain hormone is known to stimulate the functioning of the moulting gland, and a brain factor has also been shown to trigger ecdysone production in the ovary. It is therefore conceivable that the brain is involved in testis ecdysone production, as well.
Lett. 45,229-232. Bishop, C. A. and O’Shea, M. (1982). Neuropeptide proctolin (H-Arg-Try-LeuPro-Thr-OH): Imrnunocytochemical mapping of neurons in the central nervous system of the cockroach. J . Comp. Neurol. 207,223-238. Bishop, C . , O’Shea, M. and Miller, R. J. (1981). Neuropeptide proctolin (H-Arg-Tyr-Leu-Pro-Thr-OH): Immunological detection and neuronal localization in insect central nervous system. Proc. Natl. Acad. Sci. USA 78,5899-5902. Bishop, C. , Wine, J. J. and O’Shea, M. (1984). Neuropeptide proctolin in postural motoneurons of the crayfish.