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All Journal HAYATI Journal of Biosciences Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences AL KAUNIYAH Jurnal Biodjati Berkala Bioteknologi Makara Journal of Science Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Journal of Fisheries & Marine
Erfianti, Tia
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science Materials Science & Nanotechnology

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Silica's Medium in Various Concentration Effect on Navicula sp. Metabolism Karillanata, Khalid Erlangga; Luthfiana, Dwi Hardianti; Maghfiroh, Khusnul Qonita; Kurnianto, Dedy; Amelia, Ria; Erfianti, Tia; Suyono, Eko Agus
Al-Kauniyah: Jurnal Biologi Vol. 18 No. 1 (2025): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v1i1.31078

Abstract

 Abstract Navicula sp., an aquatic microalgae species, are numerous and diverse, with high metabolites so they hold great potential in biotechnology. Although it has many advantages, it is often not used in industry. In silica medium, Navicula sp. produces various metabolites depending on their concentration. This research aims to discover how adding silica to the medium affects the growth and production of Navicula sp. metabolites so that cultivation can be carried out at low cost and with maximum results. For 21 days, this experiment was carried out with three concentrations of silica (1; 1.5; and 2 mL/L) and one control (0 mL/L) grown each in a 500 mL culture of Navicula sp. Repetition was done thrice for each measurement parameter; growth speed, biomass production, lipids, carbohydrates, and protein. Medium silica 1.5 mL/L was the optimal concentration for growth speed, biomass production, and carbohydrate production for Navicula sp. (0.083; 0.54; and 0.075 mg/day, respectively). Meanwhile, the optimal silica concentration for lipid and protein production for Navicula sp. were 1 mL/L medium and control medium (0.517 and 0.8 × 10-2 mg/day, respectively). Overall, this research can be used to grow Navicula sp. in producing specific metabolites optimally. AbstrakNavicula sp., spesies mikroalga akuatik, sangat banyak dan beragam dengan metabolit yang tinggi, sehingga memiliki potensi yang besar dalam bioteknologi. Meskipun memiliki banyak keunggulan, spesies ini seringkali tidak digunakan dalam industri. Dalam medium silika, Navicula sp. menghasilkan berbagai metabolit tergantung pada konsentrasinya. Tujuan dari penelitan ini adalah untuk mengetahui bagaimana penambahan silika dalam medium memengaruhi pertumbuhan dan produksi metabolit Navicula sp., sehingga kultivasi dapat dilakukan dengan biaya yang rendah dan hasil yang maksimal. Selama 21 hari, eksperimen ini dilakukan dengan tiga konsentrasi silika (1; 1,5; dan 2 mL/L) dan satu kontrol (0 mL/L) yang ditumbuhkan di dalam 500 mL kultur Navicula sp. Pengulangan dilakukan tiga kali untuk setiap parameter pengukuran, yaitu kecepatan pertumbuhan, produksi biomassa, lipid, karbohidrat, dan protein. Medium silika 1,5 mL/L merupakan konsentrasi yang optimal untuk kecepatan pertumbuhan, produksi biomassa, dan produksi karbohidrat bagi Navicula sp. (0.083; 0.54;  dan 0.075 mg/hari, secara berurutan). Sementara itu, konsentrasi silika yang optimal untuk produksi lipid dan protein bagi Navicula sp., secara berurutan, adalah medium 1 mL/L dan medium kontrol (0.517 dan 0.8 × 10-2 mg/hari). Secara keseluruhan, penelitian ini dapat dijadikan sebagai solusi untuk menumbuhkan Navicula sp. dalam memproduksi metabolit tertentu secara optimal.
Effect of Mercury Stress on the Growth and Lipid Content of Euglena sp. and Echinodorus palaefolius Wardana, Wisnu Eka; Tantri, Dea Hastaning; Afifah, Marshanda Nur Roosyana; Aini, Hasna Nur; Siswanti, Dwi Umi; Maghfiroh, Khusnul Qonita; Erfianti, Tia; Amelia, Ria; Kurnianto, Dedy; Suyono, Eko Agus
Jurnal Biodjati Vol 8 No 1 (2023): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v8i1.23764

Abstract

One way to reduce the adverse effects of the heavy metals mercury in the aquatic environment are using organisms to break down or convert toxic substances into non-toxic forms, either by phytore- mediation or phycoremediation. This research aimed to analyze the growth and lipid content of Euglena sp. after mercury exposure. This research also aimed to analyze the growth of E. palaefolius which is associated with Euglena sp. In this study, the bioremediation ability of Euglena sp. and Echinodorus palaefolius through treatment with mercury concentrations of 5 ppm, 10 ppm, 15 ppm, and 20 ppm, as well as association and non-association treatments. The parameters are the growth of Euglena sp. and the association between Euglena sp. andE. palaefolius measurement and lipid content. The result of the growth of Euglena sp. experienced a significant increase. Lipid content in Euglena sp. was also seen high at 10 ppm mercury concentration. In E. palaefolius, the ability to adsorb heavy metals was also shown by the large diameter of the stems and also the plant growth which has  optimal growth in the treatment of 10 ppm mercury stress.
Co-Authors Afifah, Marshanda Nur Roosyana Agus Suyono, Eko Aini, Hasna Nur Amelia, Ria Ardipeni, Witia Arief Budiman Astiti, Adam BUDI SETIADI DARYONO Cindiati, Maya Devi Anggraini, Irika Dewayanto , Nugroho Dinda Khairunnisa, Dinda Dwi Umi Siswanti Eko Agus Suyono Eko Agus Suyono Fitri Natalia Hardianto, Muhammad Andhi Hermin Pancasakti Kusumaningrum Karilanata, Khalid Erlangga Karillanata, Khalid Erlangga Kurnianto, Dedy Larasati, Ersi Luthfiana, Dwi Hardianti Maggandari, Revata Maghfiroh, Khusnul Qonita Mardyansah, Deviko Marno, Septhian Maulana, Sofyan Mawarni, Shelina Nurunnisa Mufida, Na’imatul Natalia, Fitri Nugroho Dewayanto, Nugroho Nurafifah, Istini Nurul Hida, Aulia Setyo Putri, Renata Adaranyssa Egistha Qonita Maghfiroh, Khusnul Rejeki Siti Ferniah Rizko, Nurmalisa Ryan Sadewo, Brilian Sadewo , Brilian Ryan Sadewo, Brilian Ryan Siti Ferniah, Rejeki siti mudrikah Solly Aryza Sri Pujiyanto Suyono, Eko Agus Agus Tantri, Dea Hastaning Tri Rahayu, Hesti Wardana, Wisnu Eka Wulandari, Ismia