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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/26661

Title: Cellular distributions of creatine kinase in branchia of euryhaline tilapia (Oreochromis mossambicus)
Authors: Li-Yih Lin;Chia-Chang Chiang;Hong-Yi Gong;Ching-Yi Cheng;Pung-Pung Hwang;Ching-Feng Weng
Contributors: NTOU:Department of Aquaculture
國立臺灣海洋大學:水產養殖學系
Keywords: creatine kinase isoform;mitochondria-rich cells;gill
Date: 2003-01-01
Issue Date: 2011-10-21T02:18:13Z
Publisher: American Journal of Physiology- Cell Physiology
Abstract: Abstract:Although euryhaline teleosts can adapt to environmental fluctuation of salinity, their energy source for responding to changes in salinity and osmolarity remains unclear. This study examines the cellular localization of creatine kinase (CK) expression in branchia of tilapia (Oreochromis mossambicus). Western blot analysis of muscle-type CK (MM form) revealed a high association with salinity changes, but BB and MB forms of CK in the gills of fish adapted to seawater did not change. With the use of immunocytochemistry, three CK isoforms (MM, MB, and BB) were localized in mitochondria-rich (MR) cells and other epithelial cells of tilapia gills. In addition, staining intensity of MM-form CK in MR cells increased after seawater transfer, whereas BB and MB forms did not significantly change. To our knowledge, this work presents the first evidence of CK expression in MR cells of tilapia gills, highlighting the potential role of CK in providing energy for ion transport.
Relation: 284(1), pp.C233-C241
URI: http://ntour.ntou.edu.tw/handle/987654321/26661
Appears in Collections:[水產養殖學系] 期刊論文

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