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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Journal of Marine Research Jurnal Kelautan Tropis Panrita Abdi - Jurnal Pengabdian pada Masyarakat Bawal : Widya Riset Perikanan Tangkap Best Journal (Biology Education, Sains and Technology) Journal of Tropical Pharmacy and Chemistry
Diah Permata Wijayanti
Department Of Marine Science, Faculty Of Fisheries And Marine Science, Diponegoro University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Health Professions Immunology & microbiology Medicine & Pharmacology Public Health Other

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Genetic Identification of Symbiotic Algae (Symbiodiniaceae) in Coral Bleaching on Sambangan Island, Karimunjawa Vina Zubaida; Dwi Haryanti; Munasik Munasik; Diah Permata Wijayanti; Tanya Singh
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 4 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.4.574-585

Abstract

Recently, there has been a global decline of coral reef ecosystems, primarily caused by major threats such as global warming. This phenomenon has a significant negative impact on coral reefs, including rising sea temperatures that trigger of coral bleaching. Composition of symbiotic algae, Symbiodiniaceae, in corals determines how corals respond to environmental stress.  This study aimed to investigate the community of the symbiotic algae during bleaching event by applying molecular identification technique. Coral bleaching samples from different genera were randomly collected from three different location around Sambangan Island, Karimunjawa at the depth of 1 – 2 m. DNA Barcoding of Internal Transcribed Spacer (ITS1, 5.8 rRNA and ITS2) gene were performed. Our result shows that four types of Symbiodiniaceae were closely related to the symbiotic algae found in this study, i.e. Cladocopium goreaui, Cladocopium sp., Symbiodinium sp. Clade C, and Symbiodinium sp. C1. The phylogenetic tree analysis showed that all the Symbiodiniaceae species found formed a single clade with a low genetic distance value. All of these species belong to the same genus Cladocopium. This type of symbiotic algae is known to have broad tolerance to temperature changes and other stress factors. 
Co-Authors Afrinal Pilly Agus Sabdono Agus Trianto Ahmad Fuad Masduqi Aji Wahyu Anggoro Alferd Y. Ko'ou Ambariyanto Ambariyanto Ambariyanto Ambariyanto Analis Finansi Twindiko Andi Afriandi Andri Cahyo Kumoro Andrianus Sembiring Anis Kholila Aufa Rifqi Widiardja Ayu Charismawaty Azis Rifai Bambang Yulianto Bayu Kreshna Adhitya Sumarto Bima Fatah Alam Burhan Habibi Yunus Christopher P. Meyer Destio . Dewinda Safitri Dwi Haryanti Dwi Haryo Ismunarti Eka Maya Kurniasih Eko Puji Hartono Elis Indrayanti Ervia Yudiati Franyoto, Yuvianti Dwi Hendro Kisworo Hendry Syahputra Ropinus Siagian Hudanu Hapsara Ibnu Pratikto Irwani Irwani Ita Widowati Justin Cullen Lia Kusmita Luh Putu Puspita Dewanti Lutfillah Arief Ghinaa Shabrina Mada Triandala Sibero Maurina Edenie Pangalasen Mea Pradnawati Michio Hidaka Michio Hidaka Mila Safitri Rizfa Muhammad Dailami, Muhammad Munasik Munasik Mustagfirin Mustagfirin Mu’alimah Hudatwi Mu’alimah Hudatwi Ni Kadek Dita Cahyani Ni Made Ernawati, Ni Made Ni Putu Dian Pertiwi Nur Taufiq-Spj Prastyo Abi Widyananto Puji Eka Purnama Puspa Kapinangasih Raden Ario Radisya N Nissa Retno Hartati Ria Azizah Tri Nuraini Rivan Novianto Madilana Rudi Pribadi Sakti Muchlisin Siti Nur Kholishah Sri Redjeki Subagiyo Subagiyo Sulistiyani Sulistiyani Suryono Suryono Suzana Kristy Satriani Fofied Syahrial V. Canavaro Syauqina Nashihi Aufar Tanya Singh Tiara Anggita Tiwi Ajeng Prameliasari Vina Zubaida Widy Febriansyah Wilhelmina br Sinulingga Wilis Ari Setyati Yoko Nozawa