Lymphocystis disease virus persists in the epidermal tissues of olive flounder, Paralichthys olivaceus (Temminch & Schlegel), at low temperatures

Olive flounder artificially infected with lymphocystis disease virus (LCDV) were reared at 10, 20 and 30 degrees C for 60 days, to compare LCD-incidence. In the fish reared at 20 degrees C, lymphocystis cells appeared on the skin and fins at 35 days post-challenge, and the cumulative LCD-incidence w...

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Veröffentlicht in:Journal of fish diseases. - 1998. - 32(2009), 8 vom: 15. Aug., Seite 699-703
1. Verfasser: Hossain, M (VerfasserIn)
Weitere Verfasser: Kim, S-R, Kitamura, S-I, Kim, D-W, Jung, S-J, Nishizawa, T, Yoshimizu, M, Oh, M-J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Comparative Study Journal Article Research Support, Non-U.S. Gov't DNA Primers
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520 |a Olive flounder artificially infected with lymphocystis disease virus (LCDV) were reared at 10, 20 and 30 degrees C for 60 days, to compare LCD-incidence. In the fish reared at 20 degrees C, lymphocystis cells appeared on the skin and fins at 35 days post-challenge, and the cumulative LCD-incidence was 80% at 60 days. High levels of LCDV, with a mean polymerase chain reaction (PCR) titre of 10(6) PCR-U mg(-1) tissue, were detected in the fins and skin of LCD-affected fish at 20 degrees C, but were not detected in the spleen, kidney, brain and intestinal tissues of these fish. No LCD clinical signs were observed in the fish reared at 10 degrees C and 30 degrees C; however, a low level of LCDV (10(3) PCR-U mg(-1) tissue) was detected in the fins and skin of these fish. By increasing the rearing temperature from 10 to 20 degrees C, lymphocystis clusters appeared on the skin and fins of the fish with no previous LCD clinical signs within 33 days after the temperature change. It was shown that permissive cells for LCDV infection exist in the epidermis of olive flounder. At low temperatures, small amounts of LCDV were able to persist over a period extended for a further 45 days in the fish epidermis, even though the fish showed no LCD clinical signs. The optimum growth temperature of LCDV is near 20 degrees C 
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650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Kim, S-R  |e verfasserin  |4 aut 
700 1 |a Kitamura, S-I  |e verfasserin  |4 aut 
700 1 |a Kim, D-W  |e verfasserin  |4 aut 
700 1 |a Jung, S-J  |e verfasserin  |4 aut 
700 1 |a Nishizawa, T  |e verfasserin  |4 aut 
700 1 |a Yoshimizu, M  |e verfasserin  |4 aut 
700 1 |a Oh, M-J  |e verfasserin  |4 aut 
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