Departemen menyelenggarakan kegiatan Asistensi Asisten Praktikum Biokimia Semester Genap Tahun Akademik 2025/2026 sebagai bagian dari komitmen berkelanjutan dalam menjaga dan meningkatkan mutu pembelajaran berbasis laboratorium. Kegiatan ini menjadi tahapan penting dalam memastikan kesiapan akademik dan teknis para asisten sebelum pelaksanaan praktikum dimulai. Pada Semester Genap TA 2025/2026, Praktikum Biokimia akan diikuti oleh 626 praktikan mahasiswa yang berasal dari seluruh program studi di Fakultas Pertanian. Jumlah peserta yang besar ini menuntut kesiapan yang optimal, baik dari sisi manajemen pelaksanaan, koordinasi tim asisten, maupun ketertiban dan keselamatan kerja di laboratorium. read more

Prof. Ir. Jaka Widada, M.P., Ph.D.

Bidang Keahlian : Mikrobiologi Terapan Pendidikan Terakhir : S3 (The University of Tokyo, Japan) Pangkat/Gol/Jabatan Akademik : IVb/ Guru Besar Status : Dosen Tetap Publikasi Ilmiah: Kabirun, S. and J. Widada. Response of soybean grown on acid soils to inoculation of vesicular-arbuscular mycorrhizal fungi. Biotrop Spec. Publ. 56, 131-137. 1995. Ngadiman, Widada J.; and Hartadi S. 1997. Budidaya Azolla pada lahan gambut: Pengaruh pengapuran dan pemupukan P pada pertumbuhan and penambatan N Azolla. J. Ilmu Tanah dan Lingkungan 1: 55-60 Suhardi, M. Naim, B. Radjagukguk, O. Karyanto, J. Widada, W.W. Winarni, T. Herawan. Interaction of progenies/provenances of sengon (Paraserianthes falcataria), arbuscular mycorrhizal fungi and rhizobial isolates grown on a Ultisol. In: Dela Cruz, R.E., Ishii K., Follosco, M., Suzuli, K. Challenges for Biotechnology in the Next Millennium. 3 Nov 1998. Nojiri H., J. Widada, H. Hirano, K. Ide, M. Yotsumoto, T. Yoshida, H. Habe and T. Omori. Monitoring Pseudomonas sp. strain CA10 in bioremediation of dioxin-contaminated soil. 3 Sep 2000. Nojiri H., J. Widada , K. Kasuga, T. Yoshida, H. Habe and T. Omori. Rapid, sensitive, acurate monitoring method for augmented dioxin degrading bacteria. 51-58. 2001. Habe H, Ide K, Yotsumoto M, Tsuji H, Hirano H, Widada J, Yoshida T, Nojiri H, Omori T. Preliminary examinations for applying a carbazole-degrader, Pseudomonas sp. strain CA10, to dioxin-contaminated soil remediation. Applied Microbiology and Biotechnology. 56(5-6), 788-795. 2001. Widada J, H. Nojiri, K. Kasuga, T. Yoshida, H. Habe, T. Omori. Quantification of the carbazole 1,9a-dioxygenase gene by real-time competitive PCR combined with co-extraction of internal standards. FEMS Microbiology Letters. 202(1), 51-57. August 2001. Widada J., H. Nojiri, T. Yoshida, H. Habe, and T. Omori. Molecular characterization of bacterial consortia capable of degrading branched nonylphenol. 2002. Widada J., H. Nojiri, K. Kasuga, T. Yoshida, H. Habe and T. Omori. Molecular detection and diversity of polycyclic aromatic hydrocarbon-degrading bacteria isolated from geographically diverse sites. Applied Microbiology and Biotechnology. 58(2), 202-209. 2002. Widada J., H. Nojiri, S. Nakai, K. Inoue, M. Shintani, T. Yoshida, H. Habe, and T. Omori. Molecular diversity of carbazole-utilizing bacteria and their catabolic genes. 2002. Widada, J., Damarjaya, D.I., Kabirun, S. The interactive effects of arbuscular mycorrhizal fungi and rhizobacteria on the growth and nutrients uptake of sorghum in acid soil. 15 Sep 2002. Widada J, H. Nojiri, and T. Omori. Recent developments in molecular techniques for identification and monitoring of xenobiotics-degrading bacteria and their catabolic genes in bioremediation. Applied Microbiology and Biotechnology. 60(1-2), 45-59. October 2002. Widada J, H. Nojiri, T. Yoshida, H. Habe and T. Omori. Enhanched degradation of carbazole and 2,3-dichlorodibenzo-p-dioxin in soils by Pseudomonas resinovoran strain CA10. Chemosphere. 49(5), 485-491. November 2002. Inoue,K., Widada, J., Nakai,S., Endoh,T., Urata,M., Ashikawa,Y., Shintani,M., Saiki,Y., Yoshida,T., Habe,H., Omori,T. and Nojiri,H. Divergent Structures of Carbazole Degradative car Operons Isolated from Gram-negative Bacteria. Biosci. Biotechnol. Biochem. 68, 1467. 1 Jul 2004. Noumura T, Habe H, Widada J, Chung JS, Yoshida T, Nojiri H, Omori T.. Genetic characterization of the dibenzofuran-degrading Actinobacteria carrying the dbfA1A2 gene homologues isolated from activated sludge. FEMS Microbiol Lett.. 239(1), 147-155. 1 October 2004. Widada, J., Nojiri, H., Kasuga, K., Yoshida, T., Habe, H., and Omori, T. 2001. Quantification of carbazole 1,9a-dioxygenase gene by real-time competitive PCR combined co-extraction of internal standards. FEMS Microbiol. Lett. 202: 51 – 57. Sri Wedhastri & J.Widada.2000. Penggunaan Rhizobakteria dalam Produksi Inokulum Jamur Mikorisa Arbuskular. Jurnal Ilmu Tanah dan Lingkungan 2 (2):13-20 K. Inoue, J Widada, T Omori and H. Nojiri (2005) Molecular Techniques of Xenobiotic-Degrading Bacteria and Their Catabolic Genes in Bioremediation, Bioremediation of Aquatic and Terrestrial Ecosystems, Enfiel (NH), USA, Science Publishers, 1-30 pages (bookchapter). Prijambada, I.D., Widada, J. and Ngadiman. 2006. Evaluation of Boehmeria nivea and Morus alba as bioindicators for cadmium and chromium contamination in soil. Proceeding of the 6th International Symposium on Advanced Environmental Monitoring, Jerman. Ngadiman, Prijambada, I.D., Widianto, D., Widada, J., Widiastuti, E.T., Safarida, A., Ramdani, D., Kurniasari, I. 2005. Rhizofiltration of Heavy Metals in Aquaeous Waste Using Aquatic Plants. Proceeding of The 3rd International Seminar on Environment and ustainable Development. International Environmental Research Center-Gwangju Institute of Science an Technology. Korea. Irfan D. Prijambada, Jaka Widada, and Roswinda A. Sitompul. 2006. Impact of Land Use Intensity on Microbial Community in Agroecosystems of Southern Sumatera. Proceeding of International Symposium on Food and Environmental Preservation in Asian Agriculture, Yogyakarta, Indonesia, November 22-23, 2005. In Press. Irfan D. Prijambada, Ngadiman, Donny Widianto, and Jaka Widada. 2006. Evaluation of Boehmeria nivea and Morus alba as bioindicators for cadmium and chromium contamination in soil. Proceeding of the 6th International Symposium on Advanced Environmental Monitoring, Heidelberg, Germany, June 27-30, 2006. In Press. Widada, J. 2009. Molecular characterization of bacterial consortia capable of degrading bacteria. FEMS Micobiol Letter. Wiley International . Widada, J. 2009. Novel marine carbazole-degrading bacteria. FEMS Micobiol Letter. Wiley International Publisher. Mujiyo, Mujiyo; Sunarminto, Bambang Hendro; Hanudin, Eko; Widada, Jaka; Syamsiyah, Jauhari. 2017. Methane production potential of soil profile in organic paddy field. Soil and Water Research. 12(4). Ethica, Stalis Norma; Semiarti, Endang; Widada, Jaka; Oedjijono, Oedjijono; Joko Raharjo, Tri. 2017. Characterization of moaC and a nontarget gene fragments of food‐borne pathogen Alcaligenes sp. JG3 using degenerate colony and arbitrary PCRs. Journal of food safety. 37(4). Herdini, Camelia; Mubarika, Sofia; Hariwiyanto, Bambang; Wijayanti, Nastiti; Hosoyama, Akira; Yamazoe, Atsushi; Nojiri, Hideaki; Widada, Jaka. 2017. Secondary bioactive metabolite gene clusters identification of anticandida-producing Streptomyces sp. GMR22 isolated from Wanagama forest as revealed by genome mining approach. Indonesian Journal of Pharmacy. 28(1). Melki, Melki; Isnansetyo, Alim; Murwantoko, Murwantoko; Widada, Jaka. 2018. Distribution of Ammonium-Oxidizing Bacteria in Sediment with Relation to Water Quality at the Musi River, Indonesia. Hayati Journal of Bioscience. 25(4). Amekan, Yumechris; Pudak Wangi, Dyah Sekar Ayu; Cahyanto, Muhammad Nur; Widada, Jaka. 2018. Effect of Different Inoculum Combination on Biohydrogen Production from Melon Fruit Waste. International Journal of Renewable Energy Development. 7(2). Melki, M., Isnansetyo, A., Murwantoko, M., & Widada, J. 2019. Seasonal Abundance and Community of Ammonia-Oxidizing Bacteria in the Musi River Sediment, South Sumatra, Indonesia (plagiarism). Journal of Environmental Science and Technology, 12(3), 108-116. Rahayu, E. S., Rusdan, I. H., Athennia, A., Kamil, R. Z., Pramesi, P. C., Marsono, Y., & Widada, J. 2019. Safety Assessment of Indigenous Probiotic Strain Lactobacillus plantarum Dad-13 Isolated from Dadih Using Sprague Dawley Rats as a Model. Am J Pharmacol Toxicol, 1, 38-47. Evizal, Rusdi; Tohari, Tohari; Prijambada, Irfan Dwija; Widada, Jaka. 2020. Peranan pohon pelindung dalam menentukan produktivitas kopi. Jurnal agrotropika. Herlambang, S., Maas, A., Utami, S. N. H., & Widada, J. 2019. The Dynamics of C and N by Combination of Composted Fresh Organic Waste as Soil Amendment in the Soil Thickness at Pineapple Plantation, Lampung Indonesia. Jauhari, S., Sunarminto, B. H., Eko, H., & Jaka, W. 2019. Carbon dioxide emission and carbon sequestration potential in Alfisol. Bulgarian Journal of Agricultural Science, 25(1), 42-48. Banin, M. M., Utami, T., Cahyanto, M. N., Widada, J., & Rahayu, E. S. (2019). Effects of Consumption of Probiotic Powder Containing Lactobacillus Plantarum Dad-13 on Fecal Bacterial Population in School-Age Children in Indonesia. International Journal of Probiotics & Prebiotics, 14(1). Prihatiningsih, Nur; Arwiyanto, Triwidodo; Hadisutrisno, Bambang; Widada, Jaka. 2020. Characterization of Bacillus spp. from the rhizosphere of potato Granola varieties as an antibacterial against Ralstonia solanacearum. Biodiversitas Journal of Biological Diversity. 21(9) Tambunan, Tarsa Ruli; Widada, Jaka; Damayanti, Ema; Wahyuningsih, Tutik Dwi. 2020. Antiplasmodial Activity of the Low Molecular Weight Compounds from Streptomyces sp. GMR22. Indonesian Journal of Pharmacy. Sukmana, Siswandana Putra; Putra, Eka Tarwaca Susila; Jaka, Widada. 2020. Bioassay Guided Fractionation of Marine Streptomyces sp. GMY01 and Antiplasmodial Assay using Microscopic and Flow Cytometry Method. Indonesian Journal of Pharmacy. Sukmana, Siswandana Putra; Putra, Eka Tarwaca Susila; Jaka, Widada. 2020. The effects of types of manure and mycorrhizal applications on sandy soils on the growth and yield of curly red chili (Capsicum annum L.). Caraka Tani: Journal of Sustainable Agriculture. 35(2). 2020. Nopitasari, Sri; Setiawati, Yuli; Lawrie, Muhammad Dylan; Purwantoro, Aziz; Widada, Jaka; Sasongko, Aries Bagus; Yoshioka, Yasushi; Matsumoto, Shogo; Ninomiya, Kana; Asano, Yukii. 2020. Development of an agrobacterium-delivered CRISPR/Cas9 for Phalaenopsis amabilis (L.) Blume genome editing system. AIP Conference Proceedings. 2020. Setiawati, Yuli; Nopitasari, Sri; Lawrie, Muhammad Dylan; Purwantoro, Aziz; Widada, Jaka; Sasongko, Aries Bagus; Ninomiya, Kana; Asano, Yuuki; Matsumoto, Shogo; Yoshioka, Yasushi. 2020. Agrobacterium-mediated transformation facillitates the CRISPR/Cas9 genome editing system in Dendrobium macrophyllum A. Rich orchid. AIP Conference Proceedings. Prihatiningsih, N., Arwiyanto, T., Hadisutrisno, B., & Widada, J. 2020. Characterization of Bacillus spp. from the rhizosphere of potato Granola varieties as an antibacterial against Ralstonia solanacearum. Biodiversitas Journal of Biological Diversity, 21(9). Ariyanti, N. F., Widada, J., & Subandiyah, S. 2020. Hyper-solubilizing tricalcium phosphate mutants of Klebsiella sp. GMD08. BIOTROPIA-The Southeast Asian Journal of Tropical Biology, 27(3), 238-247. Ikhsani, A. Y., Riftyan, E., Marsono, Y., Utami, T., Widada, J., & Rahayu, E. S. 2016. Safety Evaluation of Lactobacillus plantarum Mut-7 as a Potential Indigenous Probiotic Strain Using Sprague Dawley Rats as a Model. Innovation of food technology to improve food security and health, 76. Damayanti, E., Widada, J., Lotulung, P. D. N., & Dinoto, A. 2020. Bioassay Guided Fractionation of Marine Streptomyces sp. GMY01 and Antiplasmodial Assay using Microscopic and Flow Cytometry Method. Indonesian Journal of Pharmacy. Arwiyanto, T., Nurcahyanti, S. D., Indradewa, D., & Widada, J. 2020. Antagonistic activity of bacterial rhizosphere from rootstocks of tomato and eggplant against Ralstonia solanacearum. ACTA HORTICULTURAE SULISTYANI, N., MURTI, Y. B., & WIDADA, J. 2021. ANTIBACTERIAL SUBSTANCE PRODUCED BY A SOIL BACTERIA ISOLATED FROM RHIZOSPHERE OF ZINGIBER OFFICINALE. International Journal of Applied Pharmaceutics, 62-66. Indarti, S., Widianto, D., Mulyadi, M., & Widada, J. 2020. Potato cyst nematode-infected soil as a source of egg and cyst parasitic fungi as potential biocontrol agents. Archives of Phytopathology and Plant Protection read more