Physiology

Studies from G. Torres et al further understanding of physiology

Published in Proteomics Weekly, September 3rd, 2007

"The euryhalinity of mitten crab, Eriocheir sinensis, is based on osmoregulation, and thus on the activity of Na+-K+-ATPase. We studied location and activity of this enzyme in gills of juvenile crabs exposed to 5 parts per thousand, 25 parts per thousand, and 40 parts per thousand salinity," researchers in Helgoland, Germany report.

"The posterior gills showed always a high number of immunopositive cells (IPC), staining with fluorescent antibody against Na+-K+-ATPase, covering at 5 parts per thousand the entire lamellae. At 25 parts per thousand, they showed fewer IPC which occurred only at the bases of the lamellae. Enzyme activity was consistently higher in posterior...

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Source: Proteomics Weekly (2007-09-03)

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