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Glutamine synthetase in liver and brain tissues of the holocephalan,Hydrolagus colliei

✍ Scribed by Ritter, Nadine M. ;Smith, Darwin D. ;Campbell, James W.

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
616 KB
Volume
243
Category
Article
ISSN
0022-104X

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✦ Synopsis

Glutamine synthetase was shown to be mitochondrial in liver tissue and cytosolic in brain tissue of the holocephalan Hydrolagus colliei. The liver mitochondrial form has an M, approximately 1,500 larger than the brain cytosolic form, so the two represent compartmental isozymes. Similar isozymes have been shown to be present in elasmobranchs, and their Occurrence in holocephalans suggests the two groups share a common ancestry.

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