Genetic Organization of Two Types of Flounder Warm-Temperature Acclimation-Associated 65-kDa Protein and Their Gene Expression Profiles
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概要
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We isolated and characterized two cDNA clone encoding warm-temperature acclimation-associated 65-kDa proteins (PoWap65-1 and PoWap65-2) from the olive flounder, Paralichthys olivaceus. The deduced amino acid sequences of PoWap65s showed overall identities of 33–73% with other fish Wap65 and mammalian hemopexin-like proteins. The 5′-flanking regions of both PoWap65-encoding genes contained various putative transcriptional elements. While PoWap65-1 and PoWap65-2 were structurally similar, they exhibited highly differential patterns of expression. PoWap65-1 was expressed only in the liver, whereas PoWap65-2 transcripts were detected in a wide range of tissues. The accumulation of PoWap65s mRNA was expressed differentially during development. Expression of them in warm temperatures also differed in flounder embryonic cells. PoWap65-1 was upregulated by temperature stimulation whereas PoWap65-2 was not detected. PoWap65s were highly regulated by Edwardsiella tarda infection and hypoxia. Pathogen challenge induced PoWap65-2 expression in the liver whereas PoWap65-1 was downregulated. Hypoxia induced the expression of both PoWap65s in the liver of juvenile fish.
著者
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Lee Sang-jun
Biotechnology Division National Fisheries Research And Development Institute
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Jee Young-ju
Biotechnology Research Center National Fisheries Research & Development Institute
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Kim Woo-jin
Biotechnology Research Division National Fisheries Research And Development Institute
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Park Eun-mi
Imported Food Analysis Division Center For Food And Drug Analysis Busan Regional Korea Food And Drug
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Kong Hee
Biotechnology Research Division National Fisheries Research And Development Institute
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Kim Young-Ok
Biotechnology Research Division, National Fisheries Research and Development Institute
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Lee Sang-Jun
Biotechnology Research Division, National Fisheries Research and Development Institute
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NAM Bo-Hye
Biotechnology Research Center, National Fisheries Research and Development Institute
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KIM Young-Ok
Biotechnology Research Center, National Fisheries Research and Development Institute
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MOON Ji
Biotechnology Research Division, National Fisheries Research and Development Institute
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KIM Dong-Gyun
Biotechnology Research Division, National Fisheries Research and Development Institute
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