Results 61 to 70 of about 2,274 (220)

Impact of Consuming ‘Toxic’ Monarch Caterpillars on Adult Chinese Mantid Mass Gain and Fecundity

open access: yesInsects, 2017
Predators that feed on chemically-defended prey often experience non-lethal effects that result in learned avoidance of the prey species. Some predators are able to consume toxic prey without ill-effect.
Jamie L. Rafter   +5 more
doaj   +1 more source

New CNS depressant cardenolide glycoside from the roots of Nerium oleander

open access: yesResults in Chemistry, 2020
A new central nervous system (CNS) depressant cardenolide glycoside named nerioleanderoside (1) was isolated from active n-butanol fraction of the aqueous- ethanolic (5:95 v/v) extract of the fresh dried roots of Nerium oleander.
Ghanshyam Tiwari   +3 more
doaj   +1 more source

Chemical cues that attract cannibalistic cane toad (Rhinella marina) larvae to vulnerable embryos

open access: yesScientific Reports, 2021
Chemical cues produced by late-stage embryos of the cane toad (Rhinella marina) attract older conspecific larvae, which are highly cannibalistic and can consume an entire clutch.
Michael R. Crossland   +3 more
doaj   +1 more source

Complex engineering of Solanum alkaloids structural diversity in Nicotiana benthamiana

open access: yesPlant Biotechnology Journal, Volume 24, Issue 1, Page 328-345, January 2026.
Summary Transient expression in Nicotiana benthamiana offers a powerful and versatile platform for rapid production of complex specialized metabolites. Steroidal glycoalkaloids (SGAs) and steroidal saponins produced by members of the Solanaceae family are known for their diverse structures and activities including antimicrobial, anticancer, antiviral ...
Sachin A. Gharat   +6 more
wiley   +1 more source

Duckweeds: Model organisms for research on plant sterols and steroids

open access: yesPlant Biology, Volume 28, Issue 1, Page 18-30, January 2026.
Duckweeds (Lemnaceae), the fastest‐growing angiosperms and promising vegan protein source, offer a powerful model to address key questions in plant physiology. This article highlights their potential for dissecting the biosynthesis and function of phytosterols, sterol conjugates, brassinosteroids, and specialized steroidal metabolites, such as ...
J. Klein, K.‐J. Appenroth, K. S. Sree
wiley   +1 more source

Exploring the Cancer Therapeutic Potential of Traditional Medicinal Plants by Modulating the Apoptotic Pathway

open access: yesBioMed Research International, Volume 2026, Issue 1, 2026.
Introduction Cancer is a versatile disease with a high rate of relapse and mortality. Despite the presence of various treatment modalities, there is a serious need for the development of its management. Phytochemicals, which are abundant in nature, can be turned into novel medications for these types of diseases by optimizing their functions and ...
Mithila Kulkarni   +5 more
wiley   +1 more source

Data from: Cardenolide toxin diversity impacts monarch butterfly growth and sequestration

open access: yes
Please cite as: Agrawal, A.A., A.P. Hastings, and P. Rubiano-Buitrago. (2025) Data from: Cardenolide toxin diversity impacts monarch butterfly growth and sequestration. [dataset] Cornell University Library eCommons Repository.
Hastings, Amy P.   +2 more
core   +1 more source

Highly conserved progesterone 5 beta-reductase genes (P5 beta R) from 5 beta-cardenolide-free and 5 beta-cardenolide-producing angiosperms

open access: yes, 2010
Bauer P, Munkert J, Brydziun M, et al. Highly conserved progesterone 5 beta-reductase genes (P5 beta R) from 5 beta-cardenolide-free and 5 beta-cardenolide-producing angiosperms. PHYTOCHEMISTRY. 2010;71(13):1495-1505.Most cardenolides used in the therapy
Brydziun, Margareta   +15 more
core   +1 more source

Ethnomedicinal Evidence for Medicinal Plants of the Asteraceae Family Used by Tanzanians to Treat Various Ailments: A Review

open access: yesBioMed Research International, Volume 2026, Issue 1, 2026.
The Asteraceae family is amongst the most important groups of flowering plants, widely recognised for its ethnomedicinal relevance. This systematic review, conducted in line with the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) guidelines, synthesises evidence on the traditional medicinal uses of Asteraceae species in ...
David Sylvester Kacholi   +1 more
wiley   +1 more source

A Convergent Synthesis of the Cardenolide Skeleton:  Intramolecular Aldol Condensation via Reduction of α-Bromoketones

open access: yes, 2016
Synthesis of the highly biologically valuable cardenolide backbone was achieved via anionic polycyclization. Bromoketone 18, obtained from double-Michael cycloaddition between cyclohexenone 14 and γ,δ-unsaturated β-ketoester 16, was efficiently aldolized
Daniel Chapdelaine (2334406)   +2 more
core   +1 more source

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