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All Journal AL KAUNIYAH Journal of Degraded and Mining Lands Management Jurnal Biologi Universitas Andalas Biota Jurnal Biodjati Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Manajemen Kesatuan Jurnal Riset Biologi dan Aplikasinya Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Jurnal Kesehatan Tambusai Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Kolaborasi Jurnal Pengabdian Masyarakat Digital Transformation Technology (Digitech) Jurnal Penelitian dan Pengabdian Masyarakat Jurnal Sistem Informasi dan Manajemen Berkala Ilmiah Biologi Jurnal Indonesia : Manajemen Informatika dan Komunikasi Jurnal Pinang Masak JUTEKDISI: Jurnal Teknologi Digital dan Sistem Informasi Social Empirical Jurnal Bioteknologi & Biosains Indonesia
Miftahul Ilmi, Miftahul
1,2Faculty Of Biology, Universitas Gajah Mada, Yogyakarta Jl. Teknika Selatan, Sleman, Daerah Istimewa Yogyakarta, Indonesia 55281 Phone. (0274) 580589
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Actinomycetes from the Soil of Chilli Plantation in Yogyakarta Showing an Antagonism to Fusarium oxysporum FU3 Audinah, Liya; Ilmi, Miftahul
Jurnal Biodjati Vol 4 No 2 (2019): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v4i2.5237

Abstract

 Application of biocontrol agent is an environmental-ly-friendly method to overcome the Fusarium wilt in chilli due to Fusarium oxysporum. This research aimed to isolate actinomycetes antagonist to F. oxysporum FU3 as biocontrol agent from the soil of chilli plantation in Kulon Progo, Yogyakarta. The actinomycetes were isolated using SCA medium and followed by screening for anti-F. oxysporum FU3 on PDA. The filtrate from isolates which showing the highest inhibition zone was produced and tested against strain FU3. The best isolate was then characterized. There are four iso-lates of actinomycetes showing antagonistic activity against F. ox-ysporum (AK4, AK5, AK7, and AK9). The highest antagonistic ac-tivity was shown by AK5 filtrate with inhibitions on PDA and PDB are 41.71 ± 3.5 % and 81.77 ± 5.1 %, respectively. Further obser-vation showed that filtrate of AK5 caused abnormality and lysis on FU3 hyphae. From the results, we concluded that AK5 is a poten-tial biocontrol agent against F. oxysporum. Further studies to opti-mize the production and formulize the bio-fungicide are suggested 
The Effect of Growth Temperature and pH on Lipid Production of Mucor irregularis JR 1.1 for Potential Biodiesel Applications Anggi Putri Pertiwi; Ilmi, Miftahul
Biota Vol 12 No 1 (2026): Jurnal Biota 2026
Publisher : Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/biota.v12i1.26790

Abstract

Mucor irregularis JR 1.1 is a filamentous fungus that can produce lipids. The lipids produced by M. irregularis JR 1.1 reach 40-60%, so they can be used as raw material for biodiesel. Temperature and pH are important factors that support M. irregularis JR 1.1 lipid production. Optimum temperature and pH enhance the activity of enzymes involved in lipid production.  Based on previous research, the optimization of temperature and pH in the lipid production of M. irregularis JR 1.1 has not been determined. Therefore, this study aims to determine the optimal temperature and pH for lipid production by M. irregularis JR 1.1. The study involved varying temperature and pH treatments using Response Surface Methodology (RSM). Subsequently, lipid production was performed at the optimum temperature and pH under different incubation times. Based on the research results, the highest biomass production was observed at 35°C and pH 4, the highest lipid production was at 35°C and pH 5.5, and the highest glucose consumption rate was at a temperature of 23°C and pH 5.5. The highest lipid yield percentage was 6.2%, and the highest production rate was 0.011g/L/hour at the 96th hour of incubation. Statistical analysis showed high significance, with R² values of 95.88% for lipid production and 89.98% for biomass yield. These findings suggest that M. irregularis JR 1.1 has promising potential as a microbial lipid source for sustainable biodiesel production, particularly under optimized culture conditions.
Co-Authors Agrina Ahmad Riyadi Al Rasyid, Muhammad Fadhil Alifiyatin, Chikmatul Alponsin Andema, Henky Anggi Putri Pertiwi Anggriyani, Yulvi Ardian, Diki Arifin, Yoyon Armensyah, Muhammad Rifat Artik, Arba' Ramdhani Asna Dewi, Veni Atit Kanti Audinah, Liya Azura, Nabilah Rahmachila Cornelia, Levi Dahelmi Dahelmi Dahelmi Darmayanti, Salma Dasril Aldo Dinda Mitra, Aisa Ekowati Chasanah Eli Ratni Firdasi, Wanny Frans, Muhammad Ghani, M. ABD Gusti, Ferri Firmansyah Habibie, Dedi Rahman Hariselmi, Hariselmi Harti, Yustitia Henny Herwina Janra, Muhammad Nazri Jasmi Jasmi , Jasmi Juliana, Salma Khairani, Aqila Raihana Lestari, Agis Dwi Lesti, Herin Yoga Liya Audinah Madila, Umayrha Putri Mahrus Ali Megantari, Priscilla Miftahul Ilmi Mitra, Aisa Dinda Mujahidin Mustikasari, Savia Anggi Nabilla Dwi Saputri, Ghina Niken Yuniar Nurhuda, Distia Permatasari, Jelly Putri, Cinta Diana Putri, Fauzia Nadila Nelson Putri, Rovi Nabila Ramadani, M. Rifki Ramadhan, Muhammad Basith Rezvi, Syakira Tiara Rina Sri Kasiamdari Robusta, Tyas Rusdimansyah Safitri, Indah Ayu Sahara Sahara Salsabila, Aileen Arhand Salsabila, Raihana Saputra, Muhamad Rendy Saragih, Hendry Sitepu, Hegia Theodosius Suharyanto, Cosmas Eko Surni, Ribyta Wijaya, Andre Zakaria Zakaria