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이수형,배용목,권균홍,조용건,이현승,김규종 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
A case of pure squamous cell carcinoma of the stomach in a 41-year-old female is reported. Its pathogenesis is still unknown and epidermoid carcinomas of the stomach without a glandular cell component are a rare tumor described in only about 20 patients since 1905. In Korea, six patients have reported to date. In this case upper gastrointestinal endoscopy showed a large ulceroinfiltrating mass with marginal irregularities in the lower body of the stomach. Histologic finding of biopsy specimen was squamous cell carcinoma. Abdominal computerd CT showed metastatic invasions to the spleen, abdominal wall and small bowel loop.
Genetic Distances between Tailfin Anchovy (Coilia nasus) Populations Analyzed by PCR
Jo, Soo-Gun,Yoon, Jong-Man The Korean Society of Developmental Biology 2021 발생과 생식 Vol.25 No.1
The author established a PCR-based genetic platform to examine the hierarchical polar dendrogram of Euclidean genetic distances of one tailfin anchovy population, especially for Coilia nasus, which was further associated with other fish population, by connecting with specifically designed oligonucleotide primer sets. Five oligonucleotide primers were used to generate a total of 260 and 211 scorable fragments in Coilia populations I and II, respectively. The DNA fragments ranged from greater than (approximately) 100 to more than 2,000 bp. The average bandsharing values (BS) of individuals from the anchovy population I (0.693) displayed higher values than individuals from population II (0.675). The genetic distance between individuals established the existence of a close relationship in group II. Comparatively, individuals of one anchovy population were fairly related to other fish populations, as shown in the polar hierarchical dendrogram of Euclidean genetic distances. The noteworthy genetic distance determined between two Coilia nasus populations demonstrates that this PCR technique can be applied as one of the several devices for individuals and/or population biological DNA researches undertaken for safeguarding species and for production of anchovies in the littoral area of Korea.
Resting Eggs of Copepods in the Intertidal Sediments of Gomso Bay, the West Coast of Korea
Jo, Soo-Gun The Korean Society of Oceanography 2002 Journal of the Korean Society of Oceanography Vol.37 No.3
To Investigate the distribution of resting eggs at the intertidal zone, Gomso Bay, samples were taken from the top of the sediments to 10 cm depth at four sites using a cylindrical corer in February, 1997. Additional samples were also taken from one station at subtidal zone to compare the distributions between the inter- and subtidal zones. The resting eggs of few copepods, Acartia pacifica, Centropages abdominalis, Calanopia thompsoni, and Tortanus forcipatus were studied. Mostly, the abundance of the resting eggs in the lower intertidal zone was greater than that in the upper intertidal zone, but was not significantly different from that in the subtidal zone. The abundance of the resting eggs in the intertidal sediments was related with the grain-size and moisture content of sediments. Intertidal sediments are potential egg banks like subtidal sediments.
Jo, Soo-Gun,Jeon, Min-Kyoung The Korean Society of Oceanography 2007 Ocean science journal Vol.42 No.3
The present study reports mysids on sandy beaches along the eastern coast of Korea. Samples were collected with a dip net or a sled net in sandy shores in April 1995 and November 2006. 9 species representing five genera were identified from the present study. Of these, the genus Nipponomysis including N. lingvura, N. ornata, and N. imparis, and Acanthomysis nakazatoi were newly recorded from the Korean waters. Morphological descriptions and taxonomic key to species were given. The present study reports that 45 species belonging to 15 genera from the Korean waters have been recorded.
Soo-Gun Jo,Min-Kyoung Jeon 한국해양과학기술원 2007 Ocean science journal Vol.42 No.3
The present study reports mysids on sandy beaches along the eastern coast of Korea. Samples were collected with a dip net or a sled net in sandy shores in April 1995 and November 2006. 9 species representing five genera were identified from the present study. Of these, the genus Nipponomysis including N. lingvura, N. ornata, and N. imparis, and Acanthomysis nakazatoi were newly recorded from the Korean waters. Morphological descriptions and taxonomic key to species were given. The present study reports that 45 species belonging to 15 genera from the Korean waters have been recorded.
First Record of Two Siriella Species of Mysids (Crustacea: Mysida) from the Korean Waters
Jo, Soo-Gun The Korean Society of Fisheries and Aquatic Scienc 2014 Fisheries and Aquatic Sciences Vol.17 No.3
Two pelagic species Siriella izuensis Murano and Fukuoka, 2008 and Siriella japonica Ii, 1964, are reported for the first time from the Korean waters, together with descriptions and illustrations. S. izuensis can be distinguished from its closest relative, Siriella japonica, by the normal inner flagellum of the antennule of males, as opposed to the swollen proximal part in S. japonica, and by the slightly more distinct tendency of alternate arrangement of spines on the distal third lateral margin of the telson than in S. japonica. S. izuensis and S. japonica differ distinctly from other related species by a combination of the triangular rostral plate, the moderate size of the eyes, the form and arrangement of the lateral spines of the telson, and six or seven graded spines on the distal outer margin of the uropodal exopod. A taxonomical key is given for the genus Siriella from the Korea waters.
Mysidacea (Crustacea) from the West Coast of Korea
Jo Soo-Gun,MA Chae-Woo The Korean Society of Fisheries and Aquatic Scienc 1996 한국수산과학회지 Vol.29 No.6
Fifteen mysid species representing 4 genera are reported from the west coast of Korea, Of these, Archaeomysis vulgaris (Nakazawa), Archaeomysis japonica Hanamura, Jo and Murano and Acanthomysis tenuicauda Murano are new to the Korean fauna, Acanthomysis aspera li, Acanthomysis fujinagai li, Acanthomysis japonica Nakazawa and Acanthomysis okayamaensis li are new to the western Korean fauna. Detailed description with illustrative figures, ecological notes and keys to species are given.