Iranian Journal of Basic Medical Sciences، جلد ۲۴، شماره ۸، صفحات ۱۰۵۸-۱۰۶۸

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عنوان انگلیسی Potential secondary metabolite from Indonesian Actinobacteria (InaCC A758) against Mycobacterium tuberculosis
چکیده انگلیسی مقاله Objective(s): This study explored Indonesian Actinobacteria which were isolated from Curcuma zedoaria endophytic microbes and mangrove ecosystem for new antimycobacterial compounds. Materials and Methods: Antimycobacterial activity test was carried out against Mycobacterium tuberculosis H37Rv. Chemical profiling of secondary metabolite using Gas Chromatography-Mass Spectroscopy (GC-MS) and High Resolution-Mass Spectroscopy (HR-MS) was done to the ethyl acetate extract of active strain InaCC A758. Molecular taxonomy analysis based on 16S rRNA gene and biosynthetic gene clusters analysis of polyketide synthase (PKS) and non-ribosomal peptide synthetase (NRPS) from InaCC A758 have been carried out. Bioassay guided isolation of ethyl acetate extract was done, then structural elucidation of active compound was performed using UV-Vis, FT-IR, and NMR spectroscopy methods. Results: The chemical profiling using HR-MS revealed that InaCC A758 has the potential to produce new antimycobacterial compounds. The 16S rRNA gene sequencing showed that InaCC A758 has the closest homology to Streptomyces parvus strain NBRC 14599 (99.64%). In addition, InaCC A758 has NRPS gene and related to S. parvulus (92% of similarity), and also PKS gene related to PKS-type borrelidin of S. rochei and S. parvulus (74% of similarity). Two compounds with potential antimycobacterial were predicted as 1) Compound 1, similar to dimethenamid (C12H18ClNO2S; MW 275.0723), with MIC value of 100 µg/ml, and 2) Compound 2, actinomycin D (C62H86N12O16; MW 1254.6285), with MIC value of 0.78 µg/ml. Conclusion: Actinomycin D has been reported to have antimycobacterial activity, however the compound has been predicted to resemble dimethenamid had not been reported to have similar activity.
کلیدواژه‌های انگلیسی مقاله Actinobacteria, Dactinomycin, Dimethenamid, Mass spectrometry, Mycobacterium tuberculosis, Peptide synthases RNA, Ribosomal, 16S Streptomyces

نویسندگان مقاله | Maya Rakhmawatie
Doctoral Program in Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia|Department of Biomedical Sciences, Faculty of Medicine, Universitas Muhammadiyah Semarang, Semarang 50273, Indonesia


| Tri Wibawa
Department of Microbiology, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia


| Puspita Lisdiyanti
Research Center for Biotechnology, Indonesian Institute of Sciences, Kabupaten Bogor, West Java 16911, Indonesia


| Woro Pratiwi
Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia


| Ema Damayanti
Research Division of Natural Product Technology, Indonesian Institute of Sciences, Yogyakarta 55861, Indonesia


| Mustofa Mustofa
Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia



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