Cited by 547Neurobiology and Insect Physiology ResearchDevelopmental Biology and Gene RegulationInsect Resistance and Genetics

Insights into the molecular basis of the hormonal control of molting and metamorphosis from Manduca sexta and Drosophila melanogaster

Riddiford, Lynn M, Hiruma, Kiyoshi, Zhou, Xiaofeng, Nelson, Charles A·2003·Insect Biochemistry and Molecular Biology

Abstract

This short review summarizes our current knowledge about the role of transcription factors regulated by ecdysteroids and juvenile hormone (JH) in larval molting and metamorphosis in the tobacco hornworm, Manduca sexta, and Drosophila melanogaster. We show new evidence that EcR-A/USP-2 and E75A contribute to the down-regulation of MHR3 after the peak of ecdysteroid. Also, there is suggestive evidence that both MHR4 and betaFTZ-F1 may regulate the expression of dopa decarboxylase as the ecdysteroid titer declines. We summarize the regulation by JH of the Broad transcription factor that normally appears in the epidermis in the final larval instar and specifies pupal cuticle formation at the metamorphic molt. Premature expression of different Broad isoforms also is shown to cause precocious degeneration of the prothoracic glands as well as to prevent ecdysteroid release during its presence.

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Crossref · 10.1016/j.ibmb.2003.06.001

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Authors
Riddiford, L. M., Hiruma, K., Zhou, X., & Nelson, C. A.
Affiliations
University of Washington (US)
Corresponding author
Riddiford, Lynn M
Venue
Insect Biochemistry and Molecular Biology
Publisher
Elsevier BV
Published
2003-12
Volume
33
Issue
12
Pages
1327-1338
ISSN
0965-1748 (ISSN-L)
OpenAlex
W2019125169
Cited by
547
References
94
Citations by year
2026: 11 · 2025: 15 · 2024: 16 · 2023: 11 · 2022: 22 · 2021: 39 · 2020: 29 · 2019: 27 · 2018: 19 · 2017: 30 · 2016: 29 · 2015: 29 · 2014: 33 · 2013: 25 · 2012: 27
FWCI
1.43
Type
journal article
Language
en
Open access
closed
Locations
  • Insect Biochemistry and Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation
  • National Institutes of Health
  • National Institute of General Medical Sciences (R01GM060122, GM 60122)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Insect Resistance and Genetics
Keywords
molting, metamorphosis, ecdysteroids, juvenile hormone, transcription factors, Manduca sexta, Drosophila melanogaster, aromatic L-amino acid decarboxylase, prothoracic gland, precocious metamorphosis
MeSH terms
Animals, Drosophila melanogaster, Insect Hormones, Larva, Metamorphosis, Biological, Pupa, Transcription Factors, Manduca, Gene Expression Regulation, Developmental, Molting

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