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KMID : 0364820200560030222
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Korean Journal of Microbiology
2020 Volume.56 No. 3 p.222 ~ p.231
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Newly recorded genus and species for freshwater cyanobacteria Aerosakkonema funiforme (Oscillatoriales, Cyanobacteria) in Korea
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Kim Do-Hyun
Yoon Sung-Ro
Kim Tae-Hee
Ki Jang-Seu
Lee Ok-Min
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Abstract
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Two strains of Aerosakkonema were isolated from the estuary of Geum River on August 2019. The cells were measured at 3.0~4.1 μm in length and 12.0~15.0 μm in width, larger than taxa belonging to similar genera. Trichomes were either straight or twisted like a rope, and necridic cells were observed in the trichome. The 16S rRNA gene sequences of the Korean Aerosakkonema were completely identical (100% similarity) to the type species A. funiforme. Phylogenetic analysis of the 16S rRNA gene sequences showed that the Korean Aerosakkonema was clustered with the A. funiforme. Additional analyses by using gvpA and rpoB gene sequences supported that it belonged to the genus Aerosakkonema and/or A. funiforme. Through these results, the Korean Aerosakkonema was identified to A. funiforme, and it was unrecorded genus and species in Korea.
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KEYWORD
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Aerosakkonema funiforme, cyanobacteria, freshwater algae, newly recorded genus and species
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