DOI: 10.1242/jeb.78.1.77. Eclosion Hormone and Bursicon Titres and the Onset of Hormonal Responsiveness During the Last Day of Adult Development in <i>Manduca Sexta</i> (L)

Eclosion Hormone and Bursicon Titres and the Onset of Hormonal Responsiveness During the Last Day of Adult Development in Manduca Sexta (L)

10.1242/jeb.78.1.77

Crossref journal-article

The Company of Biologists

Journal of Experimental Biology (237)

Abstract

ABSTRACT The blood titres of eclosion hormone in Manduca sexta indicate that the hormone is liberated into the blood during a span of about 20 min and then disappears with a half-life of about 45 min. Eclosion normally follows 2·5 h after the appearance of the hormone in the blood. Bursicon appears in the blood within 2 min after the newly emerged moth comes to rest at a wing spreading site. Hormone is apparently released during the following 10 min and then disappears with a of 40–50 min. The target tissues for the two hormones become responsive during the last day of development. The wing epidermis and nervous system appear to become sensitive to the eclosion hormone at about the same time, approximately 4 h before the hormone’s release. Wings become responsive to bursicon about 2 h earlier. During the last day of adult development, Manduca show a precise onset of responsiveness to bursicon and eclosion hormone followed a few hours later by the gated release of the two hormones. This appearance of hormone sensitivity is likely to be due to a photoperiodically gated event which occurs late in adult development but prior to eclosion hormone release. The nature of this event is unknown.

Bibliography

Reynolds, S. E., Taghert, P. H., & Truman, J. W. (1979). Eclosion Hormone and Bursicon Titres and the Onset of Hormonal Responsiveness During the Last Day of Adult Development in Manduca Sexta (L). Journal of Experimental Biology, 78(1), 77â86.

Authors 3

Stuart E. Reynolds (first)
Paul H. Taghert (additional)
James W. Truman (additional)

References 18 Referenced 71

10.1093/aesa/69.2.365 / Arm. Ent. Soc. Am / Techniques for rearing laboratory colonies of tobacco hornworms and pink bollworms by Bell (1978)
10.1086/280658 / Am. Nat / A technique of transplantation for Drosophila by Ephrussi (1936)
10.1016/0022-1910(65)90137-X / J. Insect. Physiol / Bursicon, a hormone which mediates tanning of the cuticle in the adult fly and other insects by Fraenkel (1965)
10.1242/jeb.42.2.323 / J. exp. Biol / The effect of a biological clock on the developmental rate of Drosophila pupae by Harker (1965)
10.1242/jeb.43.3.411 / J. exp. Biol / The effect of photoperiod on the developmental rate of Drosophila pupae by Harker (1965)
10.1007/BF00657326 / J. comp. Physiol / Patterned muscle activity during eclosion in the hawkmoth Manduca sexta by Kammer (1977)
10.1016/0022-1910(75)90244-9 / J. Insect Physiol / Control of ecdysis by heat in Manduca sexta by Lockshin (1975)
10.1111/j.1365-3032.1976.tb00974.x / Physiol. Ent / Diuretic hormone in adult Rhodnius prolixus: total atore and speed of release by Maddrell (1977)
{'key': '2023010516304355300_JEXBIO_78_1_77C9', 'first-page': '277', 'article-title': 'On the mechanism of the entrainment of a circadian rhythm by light cycles', 'volume-title': 'In Circadian Clocks', 'author': 'Pittendrigh', 'year': '1965'} / In Circadian Clocks / On the mechanism of the entrainment of a circadian rhythm by light cycles by Pittendrigh (1965)
10.1073/pnas.65.3.500 / Proc. natn. Acad. Sci. USA / Circadian systems. V. The driving oscillation and the temporal sequence of development by Pittendrigh (1970)
10.1242/jeb.70.1.27 / J. exp. Biol / Control of cuticle extensibility in the wings of adult Manduca at the time of eclosion: effects of eclosion hormone and bursicon by Reynolds (1977)
10.1242/jeb.54.3.805 / J. exp. Biol / Physiology of insect ecdysis. I. The eclosion behaviour of saturniid moths and its hormonal release by Truman (1971)
10.1242/jeb.58.3.821 / J. exp. Biol / Physiology of insect ecdysis. III. Relationship between the hormonal control of eclosion and of tanning in the tobacco homworm, Manduca sexta by Truman (1973)
10.2307/1540157 / Biol. Bull. mar. biol. Lab. Woods Hole / Physiology of insect ecdysis. II. The assay and occurrence of the eclosion hormone in the Chinese oak silkmoth, Antheraea pernyi by Truman (1973)
10.1242/jeb.74.1.151 / J. exp. Biol. (In the Press / Hormonal release of stereotyped motor programmes from the isolated nervous system of the Cecropia silkmoth by Truman (1978)
10.1242/jeb.61.1.47 / J. exp. Biol / Physiology of insect ecdysis: neural and hormonal factors involved in wing spreading behaviour of moths by Truman (1974)
10.1126/science.167.3925.1624 / Science, Wash / Neuroendocrine control of ecdysis in silkmoths by Truman (1970)
10.1126/science.175.4029.1491 / Science, Wash / Silkmoth eclosion: hormonal triggering of a centrally programmed pattern of behaviour by Truman (1972)

Dates

Type	When
Created	4 years, 4 months ago (April 25, 2021, 11:14 a.m.)
Deposited	2 years, 7 months ago (Jan. 5, 2023, 11:31 a.m.)
Indexed	1 month, 1 week ago (July 24, 2025, 7:02 a.m.)
Issued	46 years, 7 months ago (Feb. 1, 1979)
Published	46 years, 7 months ago (Feb. 1, 1979)
Published Online	46 years, 7 months ago (Feb. 1, 1979)
Published Print	46 years, 7 months ago (Feb. 1, 1979)

Funders 0

None

BibTeX

@article{Reynolds_1979, title={Eclosion Hormone and Bursicon Titres and the Onset of Hormonal Responsiveness During the Last Day of Adult Development in Manduca Sexta (L)}, volume={78}, ISSN={1477-9145}, url={http://dx.doi.org/10.1242/jeb.78.1.77}, DOI={10.1242/jeb.78.1.77}, number={1}, journal={Journal of Experimental Biology}, publisher={The Company of Biologists}, author={Reynolds, Stuart E. and Taghert, Paul H. and Truman, James W.}, year={1979}, month=feb, pages={77–86} }

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