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Temporal Variations of Skin Mucus Cells of Misgurnus mizolepis (Cobitidae) by a Change of Water Temperature  

Oh, Min-Ki (Faculty of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Park, Jong-Young (Faculty of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Publication Information
Korean Journal of Ichthyology / v.23, no.2, 2011 , pp. 145-149 More about this Journal
Abstract
We studied any variations of skin mucus cells of Misgurnus mizolepis caused by inducing a great change of water temperature including high temperature- and low temperature-adapted groups and then compared them with a control group of normal water condition. The high temperature-adapted group showed no significant different in size and number of the mucus cell (P>0.01), whereas in the low temperature-adapted group, the surface area of mucus cell layer and shape of its mucus cell, and the number of mucus cell remarkably increased in all the skin regions of dorsum, lateral region and occiput (P<0.01). Returned to the same condition as the control group, the low temperature-adapted groups showed the same features that appear in the normal water condition (P<0.01). Based on these results, the skin mucus cells of M. mizolepis seems to be very sensitive to cold water temperature and therefore they may play a key role in assessment of its environmental conditions.
Keywords
Mucus cell; Misgurnus mizolepis; high temperature-adapted group; low temperature-adapted group; environmental conditions;
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Times Cited By KSCI : 5  (Citation Analysis)
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