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All Journal HAYATI Journal of Biosciences BULETIN OSEANOGRAFI MARINA Bioma : Berkala Ilmiah Biologi MPI (Media Pharmaceutica Indonesiana) Jurnal Kelautan Tropis Jurnal Pendidikan Islam Indikator: Jurnal Ilmiah Manajemen & Bisnis LIABILITIES (JURNAL PENDIDIKAN AKUNTANSI) Biosaintifika: Journal of Biology & Biology Education Journal of Applied Food Technology Berkala Bioteknologi JURNAL PENDIDIKAN TAMBUSAI Jurnal Ilmiah Keperawatan Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Journal Of Human And Education (JAHE) JRP (Jurnal Review Politik) Jurnal Ekonomi Manajemen Dan Bisnis (JEMB) Educommunity Jurnal Pengabdian Masyarakat AL-BURHAN Research Journal on Teacher Professional Development
Siti Nur Jannah
Biology department ipb
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Journal : Jurnal Kelautan Tropis

 1 
Molecular Characterization of Microalgae Thalassiosira sp. Based on Genetic Marker tufA and Potential Test for Bioremediation of Heavy Metal Lead (Pb) Izzudin, Maulana Zidan; Kusumaningrum, Hermin Pancasakti; Zainuri, Muhammad; Nurhayati, Nurhayati; Jannah, Siti Nur; Wahyuningsih, Candra; Herida, Azalia Puspa; Doktorasaintifika, Heradita Kaniaazzahra
Jurnal Kelautan Tropis Vol 28, No 1 (2025): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v28i1.25463

Abstract

Heavy metal lead (Pb) pollution in aquatic environments poses a serious threat to aquatic ecosystems and human health. The microalga Thalassiosira  sp. has potential as a bioremediation agent for heavy metals; however, further studies are needed to maximize its capability. This study aims to molecularly characterize Thalassiosira  sp. using the tufA gene, evaluate the effects of Pb on growth and cell morphology, and assess its Pb uptake efficiency. Methods included DNA isolation, phylogenetic analysis, growth measurement using a hemocytometer, Pb uptake testing via ICP-OES, and cell morphology analysis. Results showed that the tufA gene could molecularly characterize Thalassiosira  sp., with a phylogenetic similarity of 99.53% to Conticriba weissflogii (MH571875.1). Pb significantly inhibited growth at concentrations of 0.03 ppm and 0.05 ppm and caused cell aggregation and pigment degradation at higher concentrations (2 ppm). This microalga exhibited the highest Pb uptake efficiency at lower concentrations (0.03–0.05 ppm), reaching 100%, while at 2 ppm, the efficiency decreased to 40%. This study highlights the potential of Thalassiosira  sp. in remediating Pb, providing a foundation for the development of microalgae-based biotechnological applications.
Co-Authors Affifah, Virmin Rahma Agustin Indrawati Ali, Ririn Putri Amal, Daffa Ikhlasul Amatullah, Lutfiana Hary Ambar Sari, Ninik ANGELA MARIANA LUSIASTUTI Anindya Ardiansari Anto Budiharjo Ardiansyah Arina Tri Lunggani Ascarya Ascarya Azizah , Sabila Nurul Budi Setiyana Choirunnisaa, Nadia Maharani Jasmine Dahlia Diana Nur Afifah, Diana Nur Doktorasaintifika, Heradita Kaniaazzahra Dustyanto, Josef Chupertino Carol Eflita Yohana Elmanaviean Fikri, Dzakiyya Nabilla Firdausah, Rifa'atul Firmannur, Maulana Zunan Hadi Barru Hakam Fajar Siddiq Hasrimi, Adila Nawan Hasunah, Umi Herida, Azalia Puspa Hermawan Dwi Ariyanto Hermin Pancasakti Kusumaningrum Hernindya, Nanda Rachma Indriani , Luluk Izzudin, Maulana Zidan Jayanti, Anita Khoirin Nisa Lasmono, Roisa Zakia Zahra Lila Gardenia Lubis, Hilda Zahra Mahastari, Nur Lailiyah Yoan Mahayyun, Shofria Ihda Megahandayani, Siti Wahyuputri Merina Widyastuti MG Isworo Rukmi Muhammad Basri Muhammad Syaifullah, Muhammad Muhammad Zainuri Nafiqoh, Nunak Natasia, Novera Nisa, Fauzatul Laily Novita, Hessy Nurhayati Nurhayati Nurlatifah , Wulan Suci Octavia, Cindi Oktaviani, Dian Penataseputro, Tanjung Putri, Dhea Dwita Putri, Fuadhillah Kirana Ramadhani, Dede Ahmad Rewur, Gabriela Serafina Rustini, Sri Anik Sa'diyah, Chalawah Ummy Safe'i , Khoirul Dwi Salsabila, Putri Salsabila.JS, Nurfitrah Sanjaya, Aldy Sapto Andriyono Sapto Dwi Anggoro, Sapto Dwi Sari, Dewi Mekar Sarina Putri, Maria Yasinta Setiadi Setiadi Siti Gusti Ningrum, Siti Gusti Sri Ayem Sri Pujiyanto Sulis Setyowati, Sulis Surbakti, Muhammad Syarif Susiana Purwantisari Syahidah, Dewi Syamsiah , Siti Nurul Tyas Rini Saraswati Uni Purwaningsih Wahyuningsih, Candra Wattiheluw, Muhammad Subhan Wijanarka Wijanarka Wiyantiningsih Wulandari, Sukma Aulia