ArticleEnvironmental science and pollution research international2022
Powerful toxic activity of citrinin, a fungal phytotoxin, and its mode of action in onion cells.
Article in Environmental science and pollution research international, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The dose-related effects of citrinin (CTN) on various physiological, cytogenetic, biochemical, and anatomical parameters using Allium cepa L. bulbs as a test material were researched in the present study. The physiological parameters examinated were fresh weight, root length, root number, and germination percentage; the cytogenetic parameters were micronucleus (MN) frequency, chromosome aberration (CA), and mitotic index (MI); the biochemical parameters were catalase (CAT), superoxide dismutase (SOD) activities, malondialdehyde (MDA) level, and free proline contents. And the anatomical changes in root tip cells were investigated by cross-sections. For this aim, onion bulbs were splitted four groups as three applications and one control. The bulbs in the control group were treated with distilled water; the bulbs in the application groups were treated with 1 μM, 5 μM, and 10 μM doses of CTN for 7 days. CTN application caused a decrease in the physiological parameters compared to the control group. This treatment created an increase in the frequency of MN and CA, and a reduce in the MI. In addition, it induced a dose-dependent increase in CAT and SOD activities and MDA and proline contents compared to the control group. Moreover, after CTN application, anatomical changes such as flattened nucleus, cell wall thickening, and cell deformation were identified and it was found that these changes reached their maximum at 10 mg/L dose CTN. Concequently, CTN caused inhibitory effects and the Allium test material was found to be a useful bioindicator for monitoring these effects.
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