Isolation and identification of three ecdysteroid conjugates with a C-20 hydroxy group in eggs of Locusta migratoria
Abstract
Three ecdysteroids conjugates with a hydroxy group at C-20 were isolated from developing eggs of locusta migratoria and identified as 22-phosphate conjugates of 2-deoxy-20-hydroxy-ecdysone, 20-hydroxyecdysone and 20-hydroxyecdysone acetate.
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Insects can synthesize 22-phosphate conjugates of 2-deoxy-20-HE, 20-HE acetate, and 20-HE; in female locusts and related species, all these conjugates are hydrolyzed during embryonic development, synthesizing biologically active hormones.
“It has been reported that insects can synthesize 22-phosphate conjugates of 2-deoxy-20-HE, 20-HE acetate, and 20-HE; meanwhile, in female locusts and related species, all these conjugates are hydrolyzed during embryonic development, synthesizing biologically active hormones [208,209].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [209]
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- Authors
- Tsoupras, G., Luu, B., & Hoffmann, J. A.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- ORCID
- Hoffmann, Jules A.
- Venue
- Steroids
- Publisher
- Elsevier BV
- Published
- 1982-11
- Volume
- 40
- Issue
- 5
- Pages
- 551-560
- ISSN
- 0039-128X (ISSN-L)
- OpenAlex
- W2008175423
- Cited by
- 28
- References
- 14
- Citations by year
- 2024: 2 · 2022: 1 · 2017: 1 · 2016: 1 · 2014: 2
- FWCI
- 1.70
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Steroids (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- Funders
- Commonwealth Scientific and Industrial Research Organisation
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Reproductive biology and impacts on aquatic species
- Keywords
- ecdysteroid conjugates, Locusta migratoria, 20-hydroxyecdysone, ecdysteroid metabolism, insect eggs
- MeSH terms
- Animals, Chromatography, High Pressure Liquid, Ecdysone, Ecdysterone, Female, Grasshoppers, Magnetic Resonance Spectroscopy, Ovum, Phosphates, Spectrophotometry, Ultraviolet
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