Changes in lactate content in the gills of the mudskippers Periophthalmus chrysospilos and Boleophthalmus boddaerti in response to environmental hypoxia

1990 
The gills of Periophthalmus chrysospilos exhibited significantly greater pyruvate kinase and lactate dehydrogenase activities than those of Boleophthalmus boddaerti (P <0.01). Under the control normoxic condition, the branchial lactate content of the former mudskipper was also significantly greater (P < 0.01) than that of the latter. After hypoxic exposure, lactate and alanine accumulated in the gills of P. chrysospilos but not B. boddaerti. Succinate and propionate were not detected in the gills of these two mudskippers under the control and hypoxic conditions.
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