Ocean Science Journal

, Volume 52, Issue 3, pp 359–366 | Cite as

Characterization of the coccoid cyanobacterium Myxosarcina sp. KIOST-1 isolated from mangrove forest in Chuuk State, Federated States of Micronesia

  • Ji Hyung Kim
  • JunMo Lee
  • Md-Abu Affan
  • Dae-Won Lee
  • Do-Hyung KangEmail author


Mangrove forests are known to be inhabited by diverse symbiotic cyanobacterial communities that are capable of N2 fixation. To investigate its biodiversity, root sediments were collected from a mangrove forest in Chuuk State, Federated States of Micronesia (FSM), and an entangled yellow-brown coccoid cyanobacterium was isolated. The isolated cyanobacterium was reproduced by multiple fission and eventually produced baeocytes. Phylogenetic analysis revealed that the isolate was most similar to the genera Myxosarcina and Chroococcidiopsis in the order Pleurocapsales. Compositions of protein, lipid and carbohydrate in the cyanobacterial cells were estimated to be 19.4 ± 0.1%, 18.8 ± 0.4% and 31.5 ± 0.1%, respectively. Interestingly, total fatty acids in the isolate were mainly composed of saturated fatty acids and monounsaturated fatty acids, whereas polyunsaturated fatty acids were not detected. Based on the molecular and biochemical characteristics, the isolate was finally classified in the genus Myxosarcina, and designated as Myxosarcina sp. KIOST-1. These results will contribute to better understanding of cyanobacterial biodiversity in the mangrove forest in FSM as well as the genus Myxosarcina, and also will allow further exploitation of its biotechnological potential on the basis of its cellular characteristics.

Key words

mangrove forest Myxosarcina sp. KIOST-1 multiple fissions fatty acids Federated States of Micronesia 


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Copyright information

© Korea Institute of Ocean Science & Technology (KIOST) and the Korean Society of Oceanography (KSO) and Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Ji Hyung Kim
    • 1
    • 2
  • JunMo Lee
    • 3
  • Md-Abu Affan
    • 4
  • Dae-Won Lee
    • 1
  • Do-Hyung Kang
    • 1
    Email author
  1. 1.Jeju Environment Research Section, Jeju International Marine Science Research & Logistics CenterKIOSTJejuKorea
  2. 2.Infectious Disease Research CenterKorea Research Institute of Bioscience and BiotechnologyDaejeonKorea
  3. 3.Department of Biological Sciences, College of ScienceSungkyunkwan UniversitySuwonKorea
  4. 4.Department of Marine BiologyKing AbdulAziz UniversityJeddahSaudi Arabia

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