Investigation on the bioactive secondary metabolites of the endophytic fungus Penicillium roseopurpureum
Dizmen, Berivan, author.

Investigation on the bioactive secondary metabolites of the endophytic fungus Penicillium roseopurpureum

Dizmen, Berivan, author.

Yazar Ek Girişi
Dizmen, Berivan, author.

Fiziksel Tanımlama
xiii, 90 leaves: charts;+ 1 computer laser optical disc.

In recent years, endophytic fungi have been considered as significant resources of new bioactive secondary metabolites, so they are predicted to have an important impact in drug discovery and development. In our preliminary study, the chemical diversity and cytotoxic activity of an endophytic fungus, namely Penicilium roseopurpureum 1E4BS1 isolated from Astragalus angustifolius, have been demonstrated. Based on these data, it was aimed to obtain bioactive secondary metabolites of P. roseopurpureum 1E4BS1 within the scope of this thesis. Firstly, a fermentation study was carried out in a rotary shaker at 180 rpm, 25 ºC for 20 days, and the obtained broth was extracted with EtOAc. Secondly, nine metabolites were isolated from the EtOAc extract by chromatographic methods, and the structures of compounds were elucidated by spectral methods (1D-, 2D NMR, and MS). The structure elucidation studies revealed that seven metabolites had anthraquinone backbone, whereas two compounds were found to be derivatives of curvularin from macrolide group. A chemical structure search confirmed that five of the metabolites were new for nature. Cytotoxic activity of the compounds and the EtOAc extract was tested against three cancer (DU145, LnCaP, and PC3) and normal (RPWE-1) cell lines by MTT cell viability assay. The metabolite PR-EB-01 exhibited the highest activity with IC50 values of 26.0, 37.2, 24.7, and 30.9 μM against LNCaP, PC3, DU145, and RPWE-1 cells, respectively.

Konu Başlığı
Fungi -- Biotechnology
Penicillium -- Biotechnology.

Yazar Ek Girişi
Bedir, Erdal,
Güleç, Şükrü,

Tüzel Kişi Ek Girişi
İzmir Institute of Technology. Biotechnology.

Tek Biçim Eser Adı
Thesis (Master)--İzmir Institute of Technology: Biotechnology.
İzmir Institute of Technology: Biotechnology--Thesis (Master).

Elektronik Erişim
Access to Electronic Versiyon.

KütüphaneMateryal TürüDemirbaş NumarasıYer NumarasıDurumu/İade Tarihi
IYTETezT002481TP248.27.F86 D62 2022Tez Koleksiyonu