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    Bazı Karayosunu Türlerinin İn Vitro Antimikrobiyal Aktivitelerinin Belirlenmesi
    (2021) Canlı, Kerem; Şimşek, Özcan; Şenturan, Merve; Altuner, Ergin Murat; Benek, Atakan
    Karayosunlarının hastalıklara karşı etkisi olduğu çok uzun yıllardan beri bilinmektedir ve yaraların tedavi edilmesi ve enfeksiyonlar ile mücadele gibi alanlarda etkin olarak kullanılmaktadırlar. Bu çalışmada Plagiomnium elatum, Rhynchostegium megapolitanum, Tortella fasciculata ve Tortella tortuosa karayosunu örneklerinin etil alkol ekstraktları disk difüzyon yöntemi kullanılarak, 8 gram pozitif, 9 gram negatif bakteri ve 1 maya olmak üzere, toplam 18 mikroorganizma üzerinde test edilerek antimikrobiyal aktiviteleri belirlenmiştir. Disk difüzyon testi sonucunda tüm karayosunu örneklerinin birkaç mikroorganizmaya karşı antimikrobiyal aktiviteye sahip olduğu ve özellikle gram pozitif olan Staphylococcus aureus ATCC 25923 ve gram negatif olan Escherichia coli ATCC 25922 üzerinde belirgin bir antimikrobiyal aktivitesinin olduğu ortaya konmuştur.
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    In Vitro Antimicrobial Activity Screening of Leucoagaricus leucothites and Determination of the Ethanol Extract Composition By Gas Chromatography/Mass Spectrometry
    (2020) Akata, Ilgaz; Canlı, Kerem; Yetgin, Ali; Benek, Atakan; Altuner, Ergin Murat
    Macrofungi are good food resources, which have not only medicinal properties but are nutritive as well. Forcenturies they have been used for preventing several diseases including cancer, hypercholesterolemia andhypertension. They are also known to present antimicrobial activity, thus the aim of the present study is to putforward antimicrobial activity of ethanol extract of Leucoagaricus leucothites (Vittad.) Wasser 1977, a macrofungi and in addition to determine the chemical composition by Gas Chromatography-Mass Spectrometry.Nineteen bacteria strains and one yeast strain are used in antimicrobial screening. According to the data obtainedfrom the study L. leucothites presented both antibacterial and antifungal activity against the bacteria and yeaststrains used at different concentrations with different levels. Although there are some previous studies, it can beproposed that this study is the first detailed screening report regarding the antibacterial and antifungal potentialof L. leucothites and the compounds found in L. leucothites ethanol extract.Macrofungi are good food resources, which have not only medicinal properties but are nutritive as well. Forcenturies they have been used for preventing several diseases including cancer, hypercholesterolemia andhypertension. They are also known to present antimicrobial activity, thus the aim of the present study is to putforward antimicrobial activity of ethanol extract of Leucoagaricus leucothites (Vittad.) Wasser 1977, a macrofungi and in addition to determine the chemical composition by Gas Chromatography-Mass Spectrometry.Nineteen bacteria strains and one yeast strain are used in antimicrobial screening. According to the data obtainedfrom the study L. leucothites presented both antibacterial and antifungal activity against the bacteria and yeaststrains used at different concentrations with different levels. Although there are some previous studies, it can beproposed that this study is the first detailed screening report regarding the antibacterial and antifungal potentialof L. leucothites and the compounds found in L. leucothites ethanol extract.