Isothecium alopecuroides’in antimikrobiyal aktivitesi ve bazı iklim elemanlarının bu briyofit örneğinin aktivitesi üzerine potansiyel etkisi

Çalışmanın amacı: Bu çalışmanın amacı, bir briyofit olan Isothecium alopecuroides (Lam. ex Dubois) Isov.’i örnek olarak kullanarak iklimin bir bitkinin antimikrobiyal aktivitesini nasıl önemli ölçüde etkileyebileceği göstermek ve araştırmacılar tarafından bitki örneklerini toplayabilecekleri doğru yeri ve zamanı belirlemek için dikkate alabilecekleri bazı önemli çevresel faktörleri ortaya koymaktır.Materyal ve Yöntem: İki adet briyofit örneği Aydın ve Muğla olmak üzere iki farklı lokasyondan toplanmıştır. Ekstraksiyon çözücüsü olarak kloroform, benzen, dietil eter, etil alkol, metil alkol, etil asetat, sdH20 ve 0,5 M Tris-HCl tamponu (pH: 8.0) kullanılmıştır. Antimikrobiyal aktivite Bacillus subtilis, Candida albicans, Escherichia coli, Listeria monocytogenes, Salmonella enteretidis, Shigella flexneri, Staphylococcus aureus ve Yersinia enterocolitica’ya karşı disk difüzyon, minimum inhibisyon konsantrasyonu ve minimum bakterisidal/fungisidal konsantrasyonu testleri ile denenmiştir. Meteorolojik veriler ise Meteoroloji İşleri Genel Müdürlüğü’nden alınmıştır.Temel Sonuçlar: Sonuç olarak Aydın'dan toplanan briyofit örneğinin sadece benzen ekstraktının B. subtilis'e etki ettiği, Muğla'dan toplanan örneğin ise B. subtilis, S. aureus, E. coli ve C. albicans'a farklı ekstraktlarda farklı değerlerde etkili olduğu gözlenmiştir. Bazı iklim elemanlarının da etkide önemli olduğu bulunmuştur.Araştırma vurguları: Sekonder metabolitlere dayalı yapılacak herhangi bir çalışmada, bitki örneklerinin toplandığı zaman ve çevresel koşulların dikkate alınması gerektiği sonucuna varılmıştır.

Anahtar Kelimeler:

Isothecium alopecuroides, antimikrobiyal aktivite, iklim, sekonder metabolitler, çevresel faktörler

Antimicrobial activity of Isothecium alopecuroides and potential effect of some climate elements on the activity of this bryophyte sample

Aim of study: This study aims to present how some climate elements can dramatically affect the antimicrobial activity of a plant by using Isothecium alopecuroides (Lam. ex Dubois) Isov., a bryophyte, as a plant sample to put forward some important environmental factors.Material and Methods: Two bryophyte samples, which were collected from two different locations, namely Aydın and Muğla. Chloroform, benzene, diethyl ether, ethyl alcohol, methyl alcohol, ethyl acetate, sdH2O and 0.5 M Tris-HCl buffer (pH: 8.0) were used as extraction solvents. The antimicrobial activity were tested against Bacillus subtilis, Candida albicans, Escherichia coli, Listeria monocytogenes, Salmonella enteretidis, Shigella flexneri, Staphylococcus aureus and Yersinia enterocolitica by disk diffusion, minimum inhibitory concentration test and minimum bactericidal/fungicial concentration tests. Meteorological data were obtained from the Turkish State Meteorological Service.Main results: As a result, it was observed that the bryophyte sample collected from Aydın was only active against B. subtilis with only its benzene extract, but the sample collected from Muğla was active against B. subtilis, S. aureus, E. coli and C. albicans with its different extracts at different ranges. Some climate elements were also found to be important in the activity of samples.Research highlights: It is concluded that in any study based on secondary metabolites, the time and the environmental conditions, where the plant samples are collected should be taken into account.

Keywords:

Isothecium alopecuroides, antimicrobial activity, climate, secondary metabolites, environmental factors,

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