Publications by authors named "Hawsun Sohn"

We studied the migrations of young spotted seals during their annual cycle. In May 2017, we attached satellite tags (SPOT-293A) to three individuals (two underyearlings and one yearling) captured at their breeding ground in Peter the Great Bay, western Sea of Japan/East Sea. The operational time of the installed tags ranged from 207 to 333 days; a total of 27195 locations were uploaded.

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Article Synopsis
  • Pinnipeds, which include seals, sea lions, and walruses, have unique adaptations for marine life but their genomes aren't well understood.
  • This study sequenced the genomes of three pinniped species, revealing rapidly evolving genes and specific genetic substitutions related to sound perception in water.
  • Findings suggest that certain genes may play a role in traits shared among marine mammals, offering insights into evolution and gene function for future research.
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Haliotis discus hannai, a species of Pacific abalone, is a highly valuable food source throughout Northeast Asia. As H. discus hannai primarily feed on brown algae and largely extract their energy from algal polysaccharides, understanding the mechanisms by which they digest algal polysaccharides is essential for elucidating their energy metabolism.

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We report the complete mitogenome of the common dolphin, . Overall structure of the 16,387 bp mitogenome was very similar to those of other delphinid species, including the ancient individuals. Multigene phylogeny revealed that was most closely related to Stenella coeruleoalba, and clustered well with other species within the subfamily Delphininae.

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Although several Edwardsiella tarda infections have been reported, its pathogenic role in marine mammals has not been investigated at the genome level. We investigated the genome of E. tarda strain KC-Pc-HB1, isolated from the false killer whale (Pseudorca crassidens) found bycaught in South Korea.

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is one of the widely-used probiotics and there have been a large number of advanced researches on the effectiveness of this species. However, the difference between previously reported strains, and the source of genomic variation among the strains were not clearly specified. In order to understand further on the molecular basis of on Korean traditional fermentation, we isolated the GB-LP4 from Korean fermented vegetable and conducted whole genome assembly.

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Article Synopsis
  • Photobacterium damselae subsp. damselae (PDD) is a marine bacterium that can infect marine animals and humans, but its effects on cetaceans remain uncertain.
  • In this study, the complete genome of PDD strain KC-Na-1, isolated from a rescued finless porpoise, was sequenced and found to include two chromosomes and four plasmids.
  • Notably, this strain contains the phospholipase virulence factor and genes similar to those found in Vibrio parahaemolyticus, suggesting it may pose pathogenic risks to humans and other marine species.
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