Phytoecdysteroid levels and distribution during development in Limnanthes alba Hartw. ex Benth. (Limnanthaceae)
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Phytoecdysteroid (PE) production and accumulation in Limnanthes alba Hartw. ex Benth. is associated with flowering. PE content per plant remains fairly constant during the primary growth phase of the plant and only begins to increase significantly above amounts found in the seed once the development of the flower stalk has begun. Both content and concentration increase concomitantly from this point. Distributions in individual plants also associated the highest levels of PE accumulation with the reproductive tissues. This substantiates the association of PE with tissues of greatest fitness value and therefore the hypothesis that they contribute to defence. Analysis of extracts of L. alba tissues by reversed-phase HPLC coupled with ecdysteroid-specific RIA was used to monitor ecdysteroid profiles. RIA-positive peaks co-chromatographing with 20-hydroxyecdysone, ecdysone and ponasterone A were detected and several tissues also contain PE conjugates. Seedmeal of L. alba appears to be a convenient and promising source for the commercial isolation of the potent PE ponasterone A.
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In Limnanthes alba, PE production and accumulation are associated with flowering.
“In Limnanthes alba, PE production and accumulation are associated with flowering.”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [145]
PE levels vary during the developmental stages of plants, with a spike in PE concentration during flowering.
“PE levels vary during the developmental stages of plants, and a spike in PE concentration is observed during flowering.”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [145]
In vegetative tissues, PE level is constant during the growth phase, but it increases drastically during the reproductive stage to increase plant development and protection from predators.
“The PE level is constant during the growth phase in vegetative tissues; however, it increases drastically during the reproductive stage to increase plant development and protection from predators.”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [145]
Seeds of Limnanthes alba contain a different form of PEs, which are used extensively in pharmaceutical and medical applications.
“Additionally, the seeds of Limnanthes alba contain a different form of Pes, which are used extensively in pharmaceutical and medical applications [145].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [145]
In Limnanthes alba, the PE concentration was highest during the reproductive stage, enhancing plant growth and development and protecting against insect predators.
“Similarly, in Limnanthes alba, the PE concentration was highest during the reproductive stage, enhancing plant growth and development and protecting against insect predators [145].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [145]
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Arif, Y., Singh, P., Bajguz, A., & Hayat, S. (2022) · International Journal of Molecular Sciences · doi:10.3390/ijms23158664 · Cited by 50 · see citing works
“Similarly, in Limnanthes alba, the PE concentration was highest during the reproductive stage, enhancing plant growth and development and protecting against insect predators [145].”
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Aslamyah, S., & Fujaya, Y. (2012) · Hasanuddin University Repository · doi:10.14710/ik.ijms.15.3.170-178 · Cited by 29 · see citing works
Phytoecdysteroids from the rhizomes of Brainea insignis
Wu, P., Xie, H., Tao, W., Miao, S., & Wei, X. (2010) · Phytochemistry · doi:10.1016/j.phytochem.2010.03.002 · Cited by 24 · see citing works
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MethodDistribution and Biosynthesis of 20-Hydroxyecdysone in Plants ofAchyranthes japonicaNakai
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Phytoecdysteroids: Phytochemistry and Pharmacological Activity
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Glucosinolate Degradation Products in Fermented Meadowfoam Seed Meal and Their Herbicidal Activities
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- Authors
- Preston-Mafham, J., & Dinan, L.
- Affiliations
- University of Exeter (GB)
- Corresponding author
- Dinan, Laurence
- ORCID
- Dinan, Laurence
- Venue
- Zeitschrift für Naturforschung C
- Publisher
- Walter de Gruyter GmbH
- Published
- 2002-02-01
- Volume
- 57
- Issue
- 1-2
- Pages
- 144-152
- ISSN
- 0341-0471 (ISSN-L)
- 1865-7125
- 0939-5075
- OpenAlex
- W2145510386
- Cited by
- 18
- References
- 2
- Citations by year
- 2022: 4 · 2020: 1 · 2019: 1 · 2018: 1 · 2013: 2 · 2012: 3
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Zeitschrift für Naturforschung C (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Funders
- Directorate for Biological Sciences
- Biotechnology and Biological Sciences Research Council
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phytochemical Studies and Bioactivities
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry and Biological Activities
- Keywords
- phytoecdysteroids, Limnanthes alba, plant development, flowering, reproductive tissues, plant defense, 20-hydroxyecdysone, ecdysone, ponasterone A, ecdysteroid conjugates
- MeSH terms
- Chromatography, High Pressure Liquid, Plant Extracts, Plants, Plant Structures, Plant Leaves, Brassicaceae, Ecdysteroids, Plant Development
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