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All Journal HAYATI Journal of Biosciences Jurnal Hortikultura Indonesia (JHI) Microbiology Indonesia Media Penelitian dan Pengembangan Kesehatan Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati PROSIDING SEMINAR KIMIA BERITA BIOLOGI JURNAL BIOLOGI INDONESIA ZOO INDONESIA International Journal of Applied Biology Jurnal Fitofarmaka Indonesia Jurnal Biodjati ANNALES BOGORIENSES Journal of Tropical Crop Science Teknologi Indonesia Zoo Indonesia Makara Journal of Science Molekul: Jurnal Ilmiah Kimia Indonesian Journal of Jamu Annales Bogorienses Berita Biologi
ANDRIA AGUSTA
Research Center For Biology, Indonesia Institute Of Sciences (LIPI), Cibinong, Bogor 16911, Indonesia
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health Other

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Journal : Makara Journal of Science

 1 
Antifungal Activity of (+)-2,2’-Epicytoskyrin A and Its Membrane-Disruptive Action Wulansari, Dewi; Praptiwi,; Julistiono, Heddy; Nurkanto, Arif; Agusta, Andria
Makara Journal of Science Vol. 20, No. 4
Publisher : UI Scholars Hub

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(+)-2,2’-Epicytoskyrin A, a bis-anthraquinone isolated from fungal endophyte Diaporthe sp. GNBP-10 associated with Uncaria gambir Roxb., was investigated for its antifungal activity. The broth microdilution method was used to determine the minimum inhibitory concentration (MIC) against 22 yeast strains and three filamentous fungi. The MICs of (+)-2,2’-epicytoskyrin A ranged from 16 to 128 µg/mL, which exhibited lower activity than the antifungal nystatin. A study of the mechanism of action revealed similar effects of (+)-2,2’-epicytoskyrin A and nystatin on Candida tropicalis at their MICs (16 and 8 µg/mL, respectively) and 2 times of the MIC. Both compounds caused cytoplasmic material and ion leakages on fungal cell, which were characterized by an increase in absorbance at 260 nm and 280 nm as well as Ca2+ and K+ ion concentrations. The morphology of the fungal cells after (+)-2,2’-epicytoskyrin A treatment was observed under a scanning electron microscope. The control cells, which were not treated with either (+)-2,2’-epicytoskyrin A or nystatin, showed a smooth surface, while the cells treated with either (+)-2,2’-epicytoskyrin A or nystatin shrank and displayed a donut-like shape. More shrinkage was observed in the 2 times MIC concentration and even more in the cells exposed to nystatin. The action of (+)-2,2’-epicytoskyrin A was proposed through membrane disruption.
Screening Antimicrobial Activity of Actinomycetes Isolated from Raja Ampat, West Papua, Indonesia Nurkanto, Arif; Julistiono, Heddy; Agusta, Andria
Makara Journal of Science Vol. 16, No. 1
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Penapisan Aktivitas Antimikroba dari Actinomycetes yang Diisolasi dari Raja Ampat, Papua Barat, Indonesia. Dalam rangka pencarian aktivitas antimikroba dari aktinomycetes di Papua, sebanyak seratus isolat Actinomycetes yang berasal dari tanah dan serasah dari beberapa ekosistem di Pulau Batanta dan Salawati, Papua Barat telah diuji. Sebanyak 200 ekstrak dari 100 isolat Actinomycetes telah diperoleh melalui dua tahap ekstraksi. Metabolit non polar diekstraksi menggunakan pelarut etil asetat : metanol (4:1), sedangkan metabolit polar diperoleh dari pemekatan medium menggunakan metode kering beku. Berdasarkan hasil pengujian menggunakan metode difusi agar, sebanyak 43 dari 200 ekstrak (21,5%) memiliki aktivitas antimikroba terhadap bakteri dan khamir (Escherichia coli NBRC 14237, Bacillus subtilis NBRC 3134, Staphylococcus aureus NBRC 13276, Micrococcus luteus NBRC 1367, Candida albicans NBRC 1594, dan Saccharomyces cerevisiae NBRC 10217). Hasil penelitian menunjukkan beberapa ekstrak Actinomycetes memiliki aktivitas anti bakteri gram negatif (1,5%), anti bakteri gram positif (17%), dan anti fungi (17%). Metabolit yang diekstraksi dengan pelarut etil asetat : metanol lebih aktif (35%) dibandingkan dengan pelarut air (17%). Sebanyak lima isolat yang memiliki aktivitas antimikroba tertinggi (BL-13-5, BL-06-5, BL-14-2, BL-22-3, dan Sl-36-1) diidentifikasi berdasarkan data sekuen gen 16S rRNA. Berdasarkan hasil pencarian homologi dengan program BLAST, diperoleh homologi spesies berturut-turut adalah Streptomyces kanamyceticus (92%), Streptomyces verne (92%), Streptomyces narbonensis (92%), Streptomyces malachitofuscus (98%), dan Streptomyces hygroscopicus (96%).
Co-Authors A.A. Ketut Agung Cahyawan W Agus Budiawan Naro Putra AHMAD FATHONI Ahmad Fathoni Ahmad Fathoni Andi Saptaji Kamal Anita, Syahfitri Antonius Herry Cahyana Antonius Herry Cahyana ARIEF NURKANTO Arif Nurkanto Arif Nurkanto Arif Nurkanto Atit Kanti Chairul Chairul Chairul Chairul DEWI WULANSARI Dewi Wulansari Dwinna Rahmi Edi Santosa Efendi, Darda Efendi, Oscar Efendi, Sintia Frisky Efendy, Oscar Efendy, Oscar Effendi, Oscar Elsera Br Tarigan, Elsera Br Evana Evana, Evana - Farida, Yunahara Hafid, Lukman Hartutiningsih-M. Siregar HEDDY JULISTIONO Heddy Julistiono Herjuno Ari Nugroho, Herjuno Ari Inanpi Hidayati Sumiasih, Inanpi Hidayati Kamal, Andi Saptaji Kartika D. Palupi Kartika Dyah Palupi Kartika Dyah Palupi Kartika Dyah Palupi Keim, Ary P Koraag, Alfa Michael Gabriel Lestari, Vera Budi lina marlina, lina Listyaningsih, Febrianti Listyaningsih, Febrianti Marlin Megalestin Raunsai Mohammad Fathi Royyani, Mohammad Fathi Muhamad Ilyas Muhamad Ilyas, Muhamad Muhammad Ilyas Muhammad Ilyas N.L.P. Rischa Phadmacanty Octavia Siti Nurhayati Palupi, Kartika D. Pariwidjayanti, Aris Medta Pariwidjayanti, Aris Medta Partomuan Simanjuntak Phadmacanty, N.L.P. Rischa Pipit Irawati Praptiwi Praptiwi Praptiwi Praptiwi Praptiwi Praptiwi Praptiwi Praptiwi, Praptiwi, - Pratiwi Pratiwi Putra, Aldho Pramana Putri, Ade Lia R. Subekti Purwantoro Rahmat Budiarto Rahmawati Ridwan Raunsai, Marlin Megalestin Roedhy Poerwanto Rofiq, Muhamad Abdul Royani, M Fathi S. Achmadi, Suminar S. Achmadi, Suminar Siti Aisyah Sri Yuliani SUDARMONO SUDARMONO Suryati Suryati Tarigan, Elsera Br. Taruna Shafa Arzam, Taruna Shafa Tiwi, Praptiwi Wartika Rosa Farida Wellyzar Sjamsuridzal Yuliasri Jamal YULIASRI JAMAL