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Enzymatic acylation of 1-alkyl-, 1-alkenyl-and 1-acyl glycero-3-phosphorylethanolamine in developing rat brain

Natarajan, V and Sastry, PS (1974) Enzymatic acylation of 1-alkyl-, 1-alkenyl-and 1-acyl glycero-3-phosphorylethanolamine in developing rat brain. In: Journal of Neurochemistry, 23 (1). pp. 187-192.

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Official URL: http://www3.interscience.wiley.com/journal/1196634...

Abstract

Rat brain particulate fractions were shown to acylate [32P]1-alkyl-sn-glycero-3-phosphorylethanolamine (GPE). While the main product is 1-alkyl-2-acyl GPE, about 12 per cent of the radioactivity was also found in 1-alkenyl-2-acyl GPE. The acyl transferase activity was completely dependent on added ATP and CoA and it was localized mainly in the microsomal fraction. A comparative study of acyl transferase activities to 1-alkyl-, 1-alkenyl-, and 1-acyl GPE by crude mitochondrial fraction and microsomes of 10, 16 and 22-day-old rat brains showed a progressive increase in activity with development. In the 22-day-old rat brain the order of activity towards the three substrates is as follows: 1-acyl GPE ± 1-alkenyl GPE ± 1-alkyl GPE with a crude mitochondrial fraction and 1-acyl GPE ± 1-alkyl GPE ± 1-alkenyl GPE with microsomes.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 21 Dec 2009 10:05
Last Modified: 19 Sep 2010 05:45
URI: http://eprints.iisc.ernet.in/id/eprint/23227

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