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Journal : bioeksperimen

Morphological and genetic identifications of Spirulina based on 16S rRNA gene Dito, Bahana Safiria; Sajidan, Sajidan; Susilowati, Ari; Sidiq, Yasir
Bioeksperimen: Jurnal Penelitian Biologi March 2026
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v12i1.14879

Abstract

Spirulina is a microalga with spiral or linear trichome shapes that has potential in industrial and food sectors due to its rich nutritional content. Spirulina can live in various aquatic habitats with different environmental conditions. Differences in cultivation environments can affect the morphological characteristics of Arthrospira due to phenotypic plasticity, making morphology-based identification prone to errors. Therefore, molecular identification using the 16S rRNA gene for phylogenetic analysis is necessary. This study aims to identify and analyze the genetic relationships of Spirulina from freshwater and brackish water based on 16S rRNA gene sequences. Freshwater Spirulina samples were taken from Bogor (BGR) and Yogyakarta (MRP), while brackish water Spirulina was taken from Jepara (JPR). DNA extraction was performed using the Zymo Research Quick-DNA Fungal/Bacterial Miniprep Kit, amplification of the 16S rRNA gene was conducted through PCR, followed by DNA sequencing. Phylogenetic analysis was carried out using MEGA11 to construct the phylogenetic tree. The morphology of strains BGR and MRP showed straight and thin filaments, whereas JPR had spiral and relatively long filaments. Sequencing analysis results showed that strains JPR and MRP had the closest homology similarity to Arthrospira sp. IAQUASC-C0001 with percentages of 99.34% and 99.12%, respectively. Meanwhile, Spirulina from BGR had the closest homology similarity to Arthrospira fusiformis strain AICB 668 with a percentage of 99.78%. Phylogenetic analysis indicated that strains BGR, JPR, and MRP are more closely related to Arthrospira than to Limnospira.
Co-Authors - Fakhrurrazi A. Ashadi, A. A. C. Pritasari, A. C. A. N. Khasanah, A. N. A. Wibowo A.A. Ketut Agung Cahyawan W A.M.P. Nuhriawangsa Achrudin Achrudin Adelia Anisa Adi Magna Patriadi Nuhriawangsa Adi Ratriyanto Adi, Fadhil Purnama Afandi Afandi Agung Budiharjo Agus Efendi Ahmad Khoiri Ahmad Makmur Santoso Alisah, Siti Ana Susanti Andriani, Lutfi Andrias Marstanto Setyo Pranoto, Andrias Marstanto Setyo Anggit Sasmito, Anggit Anisyah Yuniarti Anjarwati, Pamula Guruh Prastiwa ARI SUSILOWATI Arief B. Witarto Ariyanto J ARTINI PANGASTUTI Ashadi Ashari, Dhita Karunia Asnafiyah, Asnafiyah Atika GA, Atika ATIKA GURITNA AYU, ATIKA GURITNA Atmojo, I. R. W. Ayu Rahma Ulufa Nuri Aziza Karenina, Aziza Baskoro Adi Prayitno Baskoro Adi Prayitno Baskoro Adi Prayitno Baskoro Baskoro, Baskoro Basori Basori Bowo Sugiharto Catur Suci Purwati Chrisnia Octovi Chumdari Chumdari, Chumdari Deny Febriana, Deny Desy Fajar Priyayi Devita Yudhayanti, Devita Dewanto Harjunowibowo Dewi - Rochsantiningsih Dewi Anjani, Dewi Dewi Puspita Sari Dhora Vasminingtya R.C, Dhora Dian Kurvayanti Innatesari Dito, Bahana Safiria Drajat Tri Kartono Dwi Hartanti Dwi Hartanti Dwi Oetomo DWI OETOMO Dwi Retno Sari, Dwi Retno Dwi Setyo Astuti Effendi, Bob Soelaiman Eko Setyaningsih, Eko Elok Norma Khabibah, Elok Norma Endang Purwanti Ervan Johan Wicaksono, Ervan Johan Etviana, R. Evi Elisanti Evi Elisanti, Evi Evi Noor Hidayah Fadhil Purnama Adi Fatih Ngaisah Wijayanti, Fatih Ngaisah Febri, Ade Fibriana, F. Fitriana Dwi Utari, Fitriana Dwi Fitriyana Rachmah Gilang Mahendrati Greiner, Ralf Hailu Weldekiros Hailu, Hailu Weldekiros Hanni Hanifah Harlita Harlita Hastjarjo, Sri Heni Pujiastuti Hephi Meilinda, Hephi Herning Nurdiana Hidayatullah, Muhammad Eka Himawan, Widhi Hudin, Robertus I Gusti Ngurah Antaryama I Nyoman Tri Bayu Tanaya, I Nyoman Idam Ragil Widianto Atmojo Idam Ragil Widianto Atmojo Idhun Prasetyo Riyadi, Idhun Prasetyo Innatesari, Dian Kurvayanti Irma Yuniar Wardhani Isma Aziz Fakhrudin Jayawarsa, A.A. Ketut Joko Ariyanto Joko Sulianto . . Konitah, Zahra Latif Agung Nugroho, Latif Agung Lilia Halim, Lilia M. Akhyar, M. M. Noris Mahfudhoh, Nimatul Laili Nur Maridi - - Maridi Maridi Maridi Maridi Maridi, M Marinda Mega Nurfitriani, Marinda Mega Meti Indrowati Misbahul Jannah Mkumbe, Baraka Stewart Moh Salimi Mohammad Masykuri Mufida Nofiana Muhammad Akhyar Munawwaroh Kurniawati, Munawwaroh Murni Ramli Murni, Odela Priscilia Mustikasari, Intan Muzzazinah Muzzazinah N. SURYANI Nana - - Nancy, Natasha Nanik Murti Prasetyanti Nanik Murti Prasetyanti, Nanik Murti Nulngafan, Nulngafan Nunuk Suryani Nur Khasanah Nur Khasanah Nurdiana, Herning Nuri, Ayu Rahma Ulfa Nuri, Ayu Rahma Ulufa Nurmiyati Nurmiyati Pamula Guruh, Pamula Parmin - Parmin Parmin Permatasari, Nila Prabang Setyono Pramesti, Betty Novia Prayitno, B. A. Puguh - Karyanto PUGUH KARYANTO Puput Dwi Maret Tanti R. M. Probosari Rahmawati Ika Listyaningrum Riezky Maya Probosari Rifkie Aziz Agustian, Rifkie Aziz Rini Setyowati, Rini Riyadi Riyadi Rizki Agung, Rizki Rizki Permata Yusniawati, Rizki Permata Roslan, Roslinawati Mohd Rosmala Setiawati, Rosmala Roy Ardiansyah Roy Ardiansyah, Roy S Suciati S. Dwiastuti, S. S. Sutarno, S. S. Widoretno, S. Sabila, Wahdania Nuris Santoso S Saputri, D. Y. Saputri, Dwi Yuniasih Saraswati, Zahra Nadhila Sarwanto Sarwanto Septina Dwi Prasetyana, Septina Dwi Setiani, Indra Setria Utama Rizal Shinta Devi Amielia, Shinta Devi Sindy Nurinda, Sindy Singgih Prihadi Siswandari Siswandari siti wulandari Slamet Santosa Sri Dwiastuti Sri Widoretno Suciati Suciati Suciati Sudarisman Sugiyanto Sugiyanto Sugiyarto Sugiyarto Sukarmin Sulistyawan, Herwanto Gede Sulistyo Saputro Sunarto Sunarto Suranto Suranto Suranto Suranto Suranto, S. Suraya, Ana Susilowati Susilowati Sutarno Sutarno Sutarno Sutarno Sutikno Madnasri Suwarno Suwarno Suyitno, Margiyono Tarliany, Eny Tina Nur Khasanah, Tina Nur Tri - Novana Twiningsih, Anik UMI FATMAWATI Ummi Nur Afinni Dwi Jayanti, Ummi Nur Afinni Utami, Fitri Astuti Wahyu Walid, Ahmad Widha Sunarno Wijarini, Fitri - Wijayanti, Sovia Wikara, B. Winarno, Widha Winarsih - Wiranto Wulandari Wulandari Yanti, Amalia Firdaus Yasinta Choirina Yasir Sidiq Yenny Putri Pratiwi, Yenny Putri Yuhana Yuhana, Yuhana Yuliati - Z. Bachruddin