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Journal : Agrointek

Peningkatan akumulasi tiamin pada kultur Escherichia coli melalui peningkatan oksigenasi dan penghilangan rpoS Nuraliah Rusman; Prayoga Suryadarma; Nisa Rachmania Mubarik
AGROINTEK Vol 19, No 1 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i1.11110

Abstract

Microorganisms as cell factories in producing a product are strongly influenced by their metabolism. engineering microbial metabolism by increasing coenzymes that play a role in enzyme activity. Thiamine diphosphate is one of the coenzymes that are commonly found in the metabolic pathways of microbial cells. Increasing the thiamine formation pathway as a precursor in the thiamine metabolic pathway is a strategy in this study. Enhancing thiamine accumulation in Escherichia coli culture by inducing oxygenation level and deleting rpoS was investigated. The investigation was conducted by comparing the cultivation of  Escherichia coli BW25113 (parent strain) and BW25113-∆rpoS (rpoS mutant) cultures under aerobic conditions at different shaking rotation rates of 150 and 200 rpm. The measured parameters were thiamine accumulation, dry cell weight, acetate concentration and glucose consumption of the cultures. Inducing oxygenation level of parent strain cultures through increasing shaking rotation rate from 150 to 200 rpm induced 40 % thiamine accumulation. Meanwhile, deletion of rpoS increased 9,5 % thiamine accumulation compared to parent strain culture
Co-Authors , Triadiati . QATRUNNADA Aas Ratnasari Ahmad Suryadi Ainia Hanifitri Alfan Cahyadi Alfaridza, Annisa Nourma ALINA AKHDIYA Andreas Adhi Satya Andreas Adhi Satya ANGELIA REZTY FITRIANI SITUMORANG Anggreandari, Rizky Ani Suryani Ani Suryani Anja Meryandini Antonius Suwanto Aris Tjahjoleksono Aris Tri Wahyudi Atang Sutandi Ayni, Qurrotu Bambang - Riyanto Besty Maranatha BRAMANTYO JATI PRASOJO Budiasih Wahyuntari Budiasih Wahyuntari Budiasih Wahyuntari Cahyadi, Alfan Dadang Suhendar Dadang Suhendar Delfi Trisnawati DERI YURATMOKO Desniar - - Dewi Seswita Zilda Dewi Seswita Zilda Dian Syahfitri Dinamella Wahjuningrum Dwi Ambarawati DWI ANDREAS SANTOSA Ekowati Chasanah Encah Ewi Mulyeti ESTI PUSPITASARI Esti Puspitasari Evi Damayanti Evi Damayanti, Evi Fauzy Rachman Fauzy Rachman Fauzy Rachman Ferymon Mahulette Ferymon Mahulette Ferymon Mahulette, Ferymon Fitratul Aini Fitratul Aini, Fitratul Fitriani Idham Galih Cendana Nabilasani Galih Cendana Nabilasani Hadi Susilo Hamim Hamim Hana Nurullita Prestisia Hasrul Satria Hasrul Satria, Hasrul HENDRA PARDEDE Hirmas Fuady Putra HIRMAS FUADY PUTRA, HIRMAS FUADY Idin Abidin Ika Roostika Tambunan, Ika Roostika Ika Setianingsih, Ika Iman Rusmana Iman, Rusmana Ismi Isti'anah Isna Rahma Dini Iswati, Ruma It Jamilah Ivan Permana Putra Jepri Agung Priyanto Jepri Agung Priyanto, Jepri Agung Karina Eku Dwinanda Gunawan Kusuma Handayani LAKSMI AMBARSARI Lia Siti Nur'amaliyah Lia Siti Nur'amaliyah Lisdar Idwan Sudirman Listyowati, Sri lmiah, Sitti Nur Luky Adrianto Maggy Thenawidjaya Suhartono Maherani, Vincentia Fenice Angger Maranatha, Besty Maria Dita Febriani Lumban Gaol Marini Adani Mashudi Mashudi Maslahah, Iah Novi Masrukhin Masrukhin Muhamad Azwar Syah Mulyorini Rahayuningsih Mutiha Panjaitan Nabilasani, Galih Cendana Nabilasani, Galih Cendana Ninda Ningtyas Nuraliah Rusman Nurfahmi, Riziq Ilham Nurul Hidayati Partomuan Simanjuntak Partomuan Simanjuntak Partomuan Simanjuntak Prayoga SURYADARMA Puspita Lisdiyanti Rika Indri Astuti RIMA ERNIA Risky Hadi Wibowo Risky Hadi wibowo Rizky Anggreandari Rury Eryna Putri Sarah Asih Faulina Sarah Asih Faulina, Sarah Asih Sipriyadi Sipriyadi Sipriyadi Siswa Setyahadi Siswodarsono, Trismilah Siswodarsono, Trismilah Siti Azzira Rahma Sitti Nur Ilmiah Sonya Tobing Sri Budiarti Poerwanto Sri Listyowati Suhendar, Dadang Suhendar, Dadang SYAMSUL BAHRI SYAMSUL BAHRI TEDJA IMAS Thenawidjaya, Maggy Titi Candra Sunarti TRI ASMIRA DAMAYANTI Tri Handayani Kurniati Tri Handayani Kurniati Trismilah Trismilah Siswodarsono Untung Sudadi Wahyu Widosari Wibowo, Risky Hadi WIDANARNI WIDANARNI Widanarni Widanarni Widosari, Wahyu Yoan Ramasita Yusro Nuri Fawzya Zaenal Arifin, Sukarya Zulfarina Zulfarina Zulfarina,