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Journal : Journal of Fisheries

Environmental Effect on the Growth and Enzyme Activity of Fucoidanase-Producing Bacteria Cytobacillus kochii GSD Setyawan, Agus; Amiin, Muhammad Kholiqul; Fidyandini, Hilma Putri; Lahay, Almira Fardani; Yusup, Maulid Wahid; Nurhalisa, Alifia Adibila; Saputra, Rizqy Hadi; Putri, Wanda Andella; Ratna Juliasih, Ni Luh Gede; Rivaie, Arief Rahman; Saputra, Suryadi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.69263

Abstract

Graphical Abstract   Highlight Research 1. Sargassum polycystum has been extracted and analyzed. 2. Cytobacillus kochii GSD in response to fucoidanase-producing enzyme activity was analyzed. 3. Optimum temperature, pH, and salinity can suppress the activity of the fucoidanase enzyme through the inhibition test. 4. Cytobacillus kochii GSD can produce fucoidanase enzyme with low molecular weight.     Abstract Extensive research has shown that low molecular weight fucoidan exhibits significantly greater biological activity than its high molecular weight. C. kochi GSD, a Sargassum symbiont bacterium, is proven to have the activity of hydrolyze fucoidan. This study proposes the growth optimization and fucoidanase enzymatic activity of C. kochii GSD bacteria under varying environmental conditions (temperature, pH, and salinity) cultured in basic liquid medium (BLM) for 48 hours. Based on Response Surface Methodology (RSM), the range of temperature, pH, and salinity for the growth optimization test of C. kochi GSD bacteria were 26.591, 30, 35, 40, and 43.49oC, the pH used starts from 3.636, 5, 7, 9, and 10.363, while the salinity to be used starts from 3.522, 5, 17.5, 30, and 38.522 ppt, respectively. The best conditions for growth of each environment were then continued with the test of fucoidanase enzyme activity in vitro. The results showed that C. kochii GSD bacteria grew optimally at temperature, pH, and salinity of 35oC, 7, and 30 ppt, respectively. The optimum enzyme activity of C. kochii GSD is at 72 hours with the forming of clear zones on media containing fucoidan and given Cetylpyridinium chloride (CPC) solution with clear zone diameters of 31.17 mm (temperature), 25.9 mm (pH), and 20.97 mm (salinity), respectively. The conclusion of this study is a high novelty finding to produce low molecular weight fucoidan enzymatically with C. kochii GSD bacteria to be used as an immunostimulant.
Co-Authors A. Suhandi A.A. Ketut Agung Cahyawan W Achmad Samsudin Achmad Supriyadi, Achmad Adi Nugroho Adiputra, Yudha Agnis Triahadin Agnis Triahadini, Agnis Agung Prasetyo Agus Subagio Agus Susilo Agustina, Cynthia Ahwy Oktradiksa Akbar, Shofya Alfina, Ria Aliyatarrafiah Aliyatarrafiah Althafunnisa, Namyra Aisha Aman Damai, Abdullah Andi Trimulyono Anik Fitrochaton Chasanah Arif, Mas Achmad Syamsul Arlanda, Revilarita Asri Nurdiana, Asri Astuti, Andriani Mei Azis, Latif Saiful Azizah Azizah Azizi, Sandi Bambang Mujihardi Baroek, Marino Christiano Berta Putri Boko Nurdiyanto Brandan Tito Ramadhan Choirul Wahid, Imam Mustofa D Febrianty Dadan Dani Wardhana Damai, A Aman Darojat, Muhammad Wahyu Dave Emmanuel Haning Dewi Mariyaningsih Dhana Hastuti Dimas Sidiq Baskoro Dita Aprilina Djalal Er Riyanto Dody Irnawan Dwi Purwantoro Sasongko Dwi Puspitasari Dwiki, Elba Dwiyanto JS Dzuelqarnain, Muhammad Essa eko efendi Eko Sasmito Hadi Elisdiana, Yeni Endriasmoro M Siagaan Esti Harpeni F M Arif Faizal Ahmad Fajar Waskito Fajrin, Fajrin fidhoh, kha Fidyandini, Hilma Putri Firdausi, Hilma Nahwa Firmansyah, M. Rizal Fithria I D, Ni'matul Fitra Ramdhani Fitra Ramdhani Florentina Yuni Arini, Florentina Yuni Frysca Putti Muviana Fuad Tarmidzi Galang Virgiawan Ganap Y. Febrika Ganap Yuliana Febrika Ghufron Abdullah Gulton, Arlewes Gunawan, Riyan Habib, Farid Alif Hadi, Muhammad Rafli Irsyad Harri Yudianto Hauzan, Noor Azmi Fachri Hauzan, Noor Azmi Fachri Hay's, Riyan Naufal Herbianto, Sheren Aurellya Heri Sugito Hidayat, Muhammad Adil Hidayati, Ina Hilmi, Haidar Hirafiany Daruartati I Gusti Ngurah Antaryama I Nyoman Sujana Ibnu Rasid Ida Hayu Dwimawanti Ilham Nurdien Imam B. Raharjo Imam Baru Raharjo Imam Baru Raharjo Indah Asmoro Wulan Indra Gumay Febryano Irawan, Ady Isa Akhlis Isnain Gunadi Istikomah Istikomah Istiqomah Ari Kusuma Ita purnamasari, Ita Itasari, Andri Astuti Jatmiko Endro Suseno Juliasih, Ni Luh Gede Ratna Kanthi Pamungkas Sari Kasanah, Nur Khafidhoh Khafidhoh, Khafidhoh Khairunissa, Hatifa Khasana, Devi Ardiyati Kholidin, Edy Barkat Kusno Adi Sambowo Kusumaningrum, Rahma Puspita Lahay, Almira Fardani Lendriadi A. Lestari, Kiki Indah Lestari, Sepnina Like Limin Santoso Linirin Widyastuti, Endang Listia, Octa Lutfiani, Ulfah M Wildan Firdaus Maharani, Ni Putu Diva Mahestri, Laras Mahmud Yusuf Malau, Victor Pandpotan Maya Riantini, Maya Maya Sekar Wangi Moch. Abdul Mukid Mohammed I. D. Matar, Mohammed Mualimin Mualimin Mualimin Mualimin Muchammad A Rofik Muchlis, Ibnu Mufita, Halimah Muhammad Iqbal Muhammad Irham Nurwidiyanto Muhammad Kholiqul Amiin, Muhammad Kholiqul Muhammad Mualimin Muhammad Nur Muhammad Nur Handoyo Munti Sarida Murtiningtias Diah Ayu Martha Dewi Mustafid Mustafid Mutiatussholikah, Dita Muyasaroh, Evi Nafiisah, Nafiisah Naufal, Adnan Faris Ningsih, Setia Nisa Az Zuhdy, Afifah Nona Dili Maricci Noor Alis Setiyadi Noor, Huriyatul Fitriyah Noviana Fransiska Nuning Nurcahyani Nur Hakim, Alvio Nur Rachmaningtias Nurcahyo, Mugi Nurhadiyastuti, Ameilia Nurhalisa, Alifia Adibila Nuriyana Muthia Sani Nursamsiah Nursamsiah Nur`Ani Okta Trilia Octaviani Sarmauli Oki Hedriana Oky Irawan Sugiri Ophi Thio Rendy Parabi, Achmad Reza Parbuntian Sinaga Pitojo Budiono Prabowo, Muhammad Nur Priyo, Priyo Purnawan Adi Wicaksono Putra, Hisbicus Dwi Surya Putri, Wanda Andella Qadar Hasani R. M. Tofan Sastranegara Rahayu, Wiji Rahaz, Muhammad Faiz Thoyib Rahmasari, Ikrima Rahmat Gernowo Ramadhan, Irvan Rara Diantari Rasyid, Moh Andi Ratih Rundri Utami Ratna Dewi Winesthi Ratna Juliasih, Ni Luh Gede Redemtus Heru Tjahjana Ribangun Bamban Jakaria Rina Dwi Indriana Rina Hesti Utami Ririn Sulpiani Rivaie, Arief Rahman Sakti, Doni Bilga Komara Saputra, Rizqy Hadi Saputra, Suryadi Sari, Azzahra Indah Satriyo Adhy Sela Ade Otaviana Setiawan, Aqshal Dwi Silvia Yulita Ratih Simamora, Ginda Siti Fathonah Siti Hudaidah Siti Rohimah Sitompul, Hotlan Albert Adventus Slamet Mulyono Solikhin Solikhin Subandoro, Agus Sudarno Sudarno Sugeng Widada Sugiharto, Sh Sumino, Sumino Supono Supono Supriyadi - Supriyadi - Susanti, Oktora Susanti, Susanto, Gregorius Nugroho Sutrisno, Ade TATI NURHAYATI Teguh Ansori Teguh Satya Bhakti Teguh Suroso Thessa Putri Aulia Tiara Qonita, Azhra Tiara Qonita Titik Haryati Tugiyono Tugiyono Udi Harmoko Wahyono, Catur Wahyu Eko Sulistiono Wardiyanto - Widiarso Dian Agus Widiastuti, Endang Linirin Winaldi, Iman Wisnu Agung Permadi Wiyatanto, M Toto Yasluh, Muhammad Sholukha Yatti Pratyas Katrinavia Yatti Pratyas Katrinavia Yayan Yuliananto Yayan Yuliananto Yeni Indriyani Yoga Aribowo Yudha T Adiputra Yudha Trinoegraha Adiputra Yulianto, Cita Yundari, Yundari Yusup, Maulid Wahid Zaenul Muhlisin Zainal Abidin Zaini, Syakila Zulfikar Zafeskan Ronapati