Development of Technology and Indian Society
Keywords:
hypoxia stress, SDS-PAGE, 2-D PAGE, hsp70, Clarias batrachusAbstract
The pseudobranchial neurosecretory system- third system of neurosecretion known to exist in air-breathing fishes and in some other fresh water fish species. The pseudobranchial neurosecretory cells showed significant changes in their secretory activity, which was found consistent with the varying lengths of stress of hypoxia. It may be noted that all the group of teleosts, in which this system has been found to be present, so far share one unusual thing in common not possessed by other teleosts, i.e., capability to tolerate low oxygen tension in surrounding waters. The present work is an attempt to construct the protein profile of this novel system in, Clarias batrachuus. The work is attempted both on normoxic and hypoxic condition. Stress protein hsp 70 is also reported in the hypoxic condition indicating the role of this system to help the fish overcoming hypoxic condition in water.
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