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Genotoxic effect of alkaloids.

J A Henriques¹, P R Moreno, G L Von Poser

¹Departamento de Fisiologia, UFRGS, Porto Alegre, RS, Brasil.

Memorias Do Instituto Oswaldo Cruz

|January 1, 1991

Summary

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This study assessed alkaloid genotoxicity in microorganisms. Skimmianine showed genotoxicity, while reserpine did not induce mutations in yeast, indicating varied responses among these compounds.

Area of Science:

Pharmacology
Toxicology
Microbiology

Background:

Alkaloids are increasingly used in medicine.
Assessing their genotoxic, mutagenic, and recombinogenic potential is crucial.

Purpose of the Study:

To evaluate the genotoxic effects of various alkaloids in prokaryotic and eukaryotic organisms.
To understand the mutagenic and recombinogenic responses of specific alkaloids.

Main Methods:

SOS-Chromotest was used to assess genotoxicity.
In vivo assays in Saccharomyces cerevisiae (yeast) were performed.
Metabolic activation mixtures were employed for certain tests.

Main Results:

Reserpine, boldine, and chelerythrine were not genotoxic in the SOS-Chromotest.

Related Experiment Videos

Skimmianine exhibited genotoxicity with metabolic activation.

Voacristine demonstrated in vivo cytostatic and mutagenic effects in yeast.

Reserpine did not induce reverse mutation or recombination in yeast.

Conclusions:

Alkaloid genotoxicity varies significantly among different compounds.
Skimmianine and voacristine warrant further investigation due to observed genotoxic/mutagenic effects.
Reserpine appears to lack genotoxic potential in the tested yeast models.