G
Guleray Agar
Researcher at Atatürk University
Publications - 149
Citations - 3022
Guleray Agar is an academic researcher from Atatürk University. The author has contributed to research in topics: RAPD & DNA damage. The author has an hindex of 22, co-authored 140 publications receiving 2582 citations. Previous affiliations of Guleray Agar include Agricultural University of Athens & Laboratory of Molecular Biology.
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Biological activities of the essential oils and methanol extract of Origanum vulgare ssp. vulgare in the Eastern Anatolia region of Turkey
Fikrettin Şahin,Medine Gulluce,Dimitra Daferera,Atalay Sokmen,Münevver Sökmen,Moschos G. Polissiou,Guleray Agar,Hakan Özer +7 more
TL;DR: In this article, the antimicrobial properties of essential oils and methanol extracts of Origanum vulgare ssp. were evaluated using a GC/MS system and the results showed that the essential oil of O. vulgaare possesses great potential of antimicrobial activity against all 10 bacteria and 15 fungi and yeast species tested.
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In vitro antibacterial, antifungal, and antioxidant activities of the essential oil and methanol extracts of herbal parts and callus cultures of Satureja hortensis L.
Medine Gulluce,Münevver Sökmen,Dimitra Daferera,Guleray Agar,Hakan Özkan,N Kartal,Moschos G. Polissiou,Atalay Sokmen,Fikrettin Şahin +8 more
TL;DR: The antimicrobial and antioxidant activities of the essential oil, obtained by using a Clevenger distillation apparatus, water soluble and water insoluble subfraction of the methanol extracts from aerial parts of Satureja hortensis L.hortensis, showed great potential antimicrobial activities against all 23 bacteria and 15 fungi and yeast species tested.
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Screening the antioxidant and antimicrobial properties of the lichens Parmelia saxatilis, Platismatia glauca, Ramalina pollinaria, Ramalina polymorpha and Umbilicaria nylanderiana.
Medine Gulluce,Ali Aslan,Münevver Sökmen,Fikrettin Şahin,Ahmet Adiguzel,Guleray Agar,Atalay Sokmen +6 more
TL;DR: In this paper, methanol extracts of Parmelia saxatilis, Platismatia glauca, Ramalina pollinaria, R. polymorpha and U. nylanderiana were evaluated for antimicrobial and antioxidant activity.
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Changes in phytohormone contents in chickpea seeds germinating under lead or zinc stress
TL;DR: The results showed that Pb and Zn significantly delayed and impeded the germination of chickpea seeds and the negative effect of Pb on germination was higher than that of Zn.
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The antioxidant effects of vitamin A, C, and E on aflatoxin B1-induced oxidative stress in human lymphocytes.
TL;DR: In conclusion, vitamin A, C, and E exhibited protective effects in human lymphocytes by inhibiting AFB1-induced ROS generation by inhibition of GSH and the activities of superoxide dismutase and GPx and increased level of malondialdehyde.