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The Korean Society of Phycology (한국조류학회(藻類))
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Umbraulva yunseulla sp. nov. (Ulvaceae, Chlorophyta) from a subtidal habitat of Jeju Island, Korea

  • Lee, Hyung Woo (Research Institute for Basic Sciences, Jeju National University) ;
  • Bae, Eun Hee (Microorganism Resources Division, National Institute of Biological Resources) ;
  • Kim, Myung Sook (Research Institute for Basic Sciences, Jeju National University)
  • Received : 2020.09.04
  • Accepted : 2020.12.03
  • Published : 2020.12.15
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Abstract

Specimens of Umbraulva with greenish iridescent were collected in the subtidal zone of Jeju Island, Korea. To investigate these collections, plastid rbcL and tufA sequencing of six greenish iridescent specimens, including four Umbraulva japonica, were analyzed. Phylogenetic analysis of a concatenated multigene alignment found that the greenish iridescent specimens belonged to a yet undescribed taxon in the genus Umbraulva. We herein propose the name Um. yunseulla sp. nov. for this specimens. Juveniles of Um. yunseulla sp. nov. resemble the generitype Um. japonica in appearance, showing globular to subglobular and funnel-shaped habits, but the blades of this new species are not split longitudinally like those of Um. japonica. Although the multigene phylogenetic tree showed the polyphyletic clade of Umbraulva with respect to the genus Ryuguphycus, Um. yunseulla sp. nov. formed a clade with Um. japonica and Um. amamiensis by weak bootstrap support. These findings, Um. yunseulla sp. nov., highlight the importance of studying the biodiversity of subtidal habitats from Jeju Island, Korea and further emphasize the need for investigations of macroalgae in the mesophotic zone around the Korean peninsula.

Keywords

References

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