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Title 

Characterization of the coccoid cyanobacterium Myxosarcina sp. KIOST-1 isolated from mangrove forest in Chuuk state, federated states of Micronesia

Authors 

Ji Hyung KimJ LeeM A AffanD W LeeD H Kang

Publisher 

Korea Ocean Research and Development Institute (KORDI)

Issue Date 

2017

Citation 

Ocean Science Journal

Keywords 

fatty acidsFederated States of Micronesiamangrove forestmultiple fissionsMyxosarcina sp. KIOST-1

Abstract 

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.

ISSN 

1738-5261

Link 

http://dx.doi.org/10.1007/s12601-017-0029-0

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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