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Journals / Celal Bayar Üniversitesi Fen Bilimleri Dergisi / 2018 / Cilt: 14 - Sayı: 4

Exogenous Polyamine Treatment Prevents UV-A Induced Cellular Damage and Photoinhibition of Photosystem II in Lichen Physcia semipinnata (J. F. Gmel.) Moberg

Dilek ÜNAL
İnci TÜNEY KIZILKAYA
Pages
399–404
Publication Date
2018-12-28
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Moreover, It was found that the samples that were treated with spd and spm had lower percentage of DNA damage than put-treated samples and non-treated groups.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study the protection ability of polyamines on Photosystem II (PSII), the proline content of the cells and necrosis formation induced by Ultraviolet-A irradiation were studied.
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Key Findings & Data:Although 24 h Ultraviolet-A exposure decreased the photosynthetic quantum yield (Fv/Fm) ratio in Physcia semipinnata (J.
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Conclusion & Impact:Moreover, It was found that the samples that were treated with spd and spm had lower percentage of DNA damage than put-treated samples and non-treated groups.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:polyamine · photosystem II · proline

Abstract

In this study the protection ability of polyamines on Photosystem II (PSII), the proline content of the cells and necrosis formation induced by Ultraviolet-A irradiation were studied. Although 24 h Ultraviolet-A exposure decreased the photosynthetic quantum yield (Fv/Fm) ratio in Physcia semipinnata (J. F. Gmel.) Moberg, thalli that treated with 1 mM polyamine, especially spermidine and spermine, were slightly influenced by the UV-A exposure. It was also found that spd and spm treated samples had lower proline content than putrescine (put)-treated samples. Moreover, It was found that the samples that were treated with spd and spm had lower percentage of DNA damage than put-treated samples and non-treated groups. In this study, Ultraviolet-A induced DNA damage detected by acridine orange/ethidium bromide staining assay. The DNA damage in thalli of P. semipinnata was detected in situ in phycobiont layer after 24 h of Ultraviolet-A exposure, in contrast, polyamine-treated samples had a lower rate of necrotic cells.

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Cite This Article

ÜNAL, D., KIZILKAYA, İ. T. (2018). Exogenous Polyamine Treatment Prevents UV-A Induced Cellular Damage and Photoinhibition of Photosystem II in Lichen Physcia semipinnata (J. F. Gmel.) Moberg. Celal Bayar Üniversitesi Fen Bilimleri Dergisi, Cilt: 14 - Sayı: 4, 399–404. https://ajindex.com/articles/104490

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