Stage-Dependent Changes in the Activity of the Prothoracicotropic Hormone (PTTH) in the Brain of the Asian Comma Butterfly, Polygonia c-aureum L. : Endocrinology

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概要

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• In addition to a neuroendocrine factor producing summer morphs (SMPH), ecdysteroids in the pupal hemolymph play a significant role in summer morph development of Polygonia c-aureum L. The hemolymph ecdysteroids appearing in the early pupal stage and forcing the pupae to undergo metamorphosis are secreted by the prothoracic glands. The eodysteriod secretion is governed by one (or two) neuroendocrine factor, named (small and big) prothoracicotropic hormones (PTTHs) in insects. Activity of the PTTH in the brain extracts of P, c-aureum as well as the SMPH activity fluctuated stage-dependently during the larval and pupal stages. The fluctuating pattern of small PTTH activity was also different from that of SMPH activity in LD-insects. In P. c-aureum, production of the small PTTH as well as its secretion seems to be enhanced by long days existing during the larval stages as in the case of the SMPH of this butterfly. But, a factor in the brain extracts of B. mori may produce autumn-morph-producer-originated summer morphs of P. c-aureum without the assistance of the B. mori PTTHs, since they did not show any tropic action on the glands from P. c-aureum 5th instar larvae.

• 社団法人日本動物学会の論文
• 1990-08-15

著者

• Endo Katsuhiko

  Biological Institute, Faculty of Science, Yamaguchi University

• Kumagai Kanji

  Biological Institute, Faculty of Liberal Arts, Yamaguchi University

• Kumagai K

  Biological Institute Faculty Of Liberal Arts Yamaguchi University

• Endo K

  Biological Institute Faculty Of Science Yamaguchi University

• Fujimoto Y

  Department Of Chemistry And Materials Science Tokyo Institute Of Technology

• ENDO KATSUHIKO

  Environmental Biology Laboratory, Institute of Biology, Faculty of Sciences

• FUJIMOTO YASUHIRO

  Environmental Biology Laboratory, Institute of Biology, Faculty of Sciences

• MASAKI TAKAKATSU

  Environmental Biology Laboratory, Institute of Biology, Faculty of Sciences

• Endo Katsuhiko

  Institute Of Biological Science Faculty Of Science Yamaguchi University

• Masaki Takakatsu

  Environmental Biology Laboratory Institute Of Biology Faculty Of Sciences

• Endo Katsuhiko

  Environmental Biology Laboratory Biological Institute Faculty Of Science Yamaguchl University

関連論文

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• PURIFICATION AND PARTIAL CHARACTERIZATIONS OF A BILIVERDIN-BINDJNG PROTEIN FROM HEMOLYMPH OF THE SWALLOWTAIL BUTTERFLY, PAPILIO XUTHUS L(Endocrinology)(Proceedings of the Sixty-Ninth Annual Meeting of the Zoological Society of Japan)
• Stage-Dependent Changes of the Prothoracicotropic Hormone (PTTH) Activity of Brain Extracts and of the PTTH Sensitivity of the Prothoracic Glands in the Cabbage Armyworm, Mamestra brassicae, before and during Winter and Aestival Pupal Diapause
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• Neuroendocrine Regulation of the Development of Seasonal Morphs in the Asian Comma Butterfly, Polygonia c-aureum L. : Is the Factor Producing Summer Morphs (SMPH) Identical to the Small Prothoracicotropic Hormone (4K-PTTH)? : Endocrinology
• Neuroendocrine regulation of the development of seasonal morphs in the Asian comma butterfly,Polygonia c-aureum L--Difference in activity of summer-morph-producing hormone from brain-extracts of the long-day and short-day pupae
• Effect of Photoperiodic Transfer and Brain Surgery on the Photoperiodic Control of Pupal Diapause and Seasonal Morphs in the Swallowtail, Papilio xuthus L.(Lepidoptera : Papilionidae)
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