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        Hematopoiesis in Hematopoietic Organ in Euprepocnemis shirakii (Orthoptera, Insecta)

        장병수,여성문,Haruhisa WAGO,강석우,한성식 한국곤충학회 2002 Entomological Research Vol.32 No.1

        The present study was undertaken to investigate the hematopoiesis of the hematopoietic organ found in orthopteran Euprepocnemis shirakii under both light and transmission electron microscopy. It was shown that the hemocyte differentiation of E. shirakii was distinct from features compared to patterns previously reported in other insect species: Their prohemocytes, plasmatocytes, granulocytes I, granulocytes II and spherulocytes were all derived from the hematopoietic stem cells surrounded by reticular cells. This pattern of hematopoiesis was also f irst observed in the Orthoptera. Thus, .ndings of this study strongly suggested that the patterns of hematopoiesis in insects differed, among groups, showing the need of an extensive investigation in order to correctly comprehend the patterns of hemocyte differentiation in insects in accordance with first order, and then systematically important taxa.

      • SCOPUSKCI등재

        Hematopoiesis in Hematopoietic Organ in Euprepocnemis shirakii (Orthoptera, Insecta)

        Chang, Byung-Soo,Yeo, Sung-Moon,Wago, Haruhisa,Kang, Seok-Woo,Han, Sung-Sik 한국곤충학회 2002 Entomological Research Vol.32 No.1

        The present study was undertaken to investigate the hematopoiesis of the hematopoietic organ found in orthopteran Euprepocnemis shirakii under both light and transmission electron microscopy. It was shown that the hemocyte differentiation of E. shirakii was distinct from features compared to patterns previously reported in other insect species: Their prohemocytes, plasmatocytes, granulocytes I, granulocytes II and spherulocytes were all derived from the hematopoietic stem cells surrounded by reticular cells. This pattern of hematopoiesis was also first observed in the Orthoptera. Thus, findings of this study strongly suggested that the patterns of hematopoiesis in insects differed, among groups, showing the need of an extensive investigation in order to correctly comprehend the patterns of hemocyte differentiation in insects in accordance with first order, and then systematically important taxa.

      • SCOPUSKCI등재

        Labial Gland and Its Protein Patterns of Hydropsychid Caddisfly (Hydropsyche kozhantschikovi Martynov: Trichoptera)

        Park, Sang-Chan,Kang, Seok-Woo,Han, Sung-Sik,Wago, Haruhisa 한국곤충학회 2003 Entomological Research Vol.33 No.1

        There is a pair of labial gland of hydropsychid caddisfly (Hydropsyche kozhantschikovi Martynov) larva. It is in ‘Z’ formation in the body and the total length is about 20mm. Hydropsychid caddishfly larvae that were raised under the lab conditions were able to form a nest-spining by connecting the small grains of sand provided. By repeatedly treating the extracted labial gland with methanol/D.W., the cell layer was removed. Accordingly, only the matrix within the labial gland that did not dissolve in water was obtained. The matrix inside the methanol/D.W. treated labial gland was dissolved with 5% acetic acid. Then the results of an acidic electrophoresis with a number of conditions indicated that 5% acetic acid/ 5M urea/ 8% PAGE was the most effective. Moreover, the result of 2-D PAGE on the labial gland of these hydropsychid caddisfly larva, the number of proteins in the labial gland including the cell layer was about 350 and the number of proteins in the labial gland treated with methanol/D.W. was about 80, showing a substantially small number of proteins.

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