Shift of Chloride Cell Distribution during Early Life Stages in Seawater-Adapted Killifish, Fundulus heteroclitus(Physiology)
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概要
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The shift of chloride cell distribution was investigated during early life stages of seawateradapted killifish (Fundulus heteroclitus). Chloride cells were detected by immunocytochemistry with an antiserum specific for Na^+, K^+-ATPase in whole-mount preparations and paraffin sections. Chloride cells first appeared in the yolk-sac membrane in the early embryonic stage, followed by their appearance in the body skin in the late embryonic stage. Immunoreactive chloride cells in the yolk-sac membrane and body skin often formed multicellular complexes, as evidenced by the presence of more than one nucleus. The principal site for chloride cell distribution shifted from the yolk-sac membrane and body skin during embryonic stages to the gill and opercular membrane in larval and later developmental stages. Our observations suggest that killifish embryos and newly-hatched larvae could maintain their ion balance through chloride cells present in the yolk-sac membrane and body skin until branchial and opercular chloride cells become functional.
- 社団法人日本動物学会の論文
- 2000-01-20
著者
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Shimizu A
Tokyo Metropolitan Univ. Tokyo Jpn
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Kaneko Toyoji
Ocean Research Institute University Of Tokyo
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Katoh F
Univ. Tokyo Tokyo Jpn
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Katoh Fumi
Ocean Research Institute University Of Tokyo
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Uchida Katsuhisa
Ocean Research Institute University Of Tokyo
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Shimizu Akio
National Research Institute Of Fisheries Science
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Shimizu Akio
National Institute Of Fisheries Science Fisheries Research Agency
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