Molecular species composition of phosphatidylcholines during the development of the avian embryo brain |
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| Authors: | Jose M Gonzalez-Ros A Ribera |
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| Affiliation: | (1) Department of Biochemistry, Faculty of Biology, Universidad Complutense de Madrid, Madrid-3, Spain;(2) Present address: Department of Biochemistry, Medical College of Virginia, 23298 Richmond, VA;(3) Present address: Catedra de Tecnicas Instrumentales Biologicas, Facultad de Ciencias, Universidad de Palma de Mallorca, Spain |
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| Abstract: | A comparative approach has been used to investigate the molecular species composition of phosphatidylcholine (PC) and its
age variation throughout several developmental stages of chick and duck embryo brains. The brain PC consist of 15 major molecular
species which do not undergo appreciable variation in their relative abundance either during embryonic development or between
equivalent stages of maturation in the 2 avian species. In fact, a highly invariable molecular architecture of PC is shown
in the developing organ. Molecular species containing saturated or monounsaturated fatty acids were dominant in all stages
of development of the avian embryo brain. Among these molecular species, 1,2-dipalmitoyl-sn-glycero-3-phosphocholine, 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine accounted for 75–80% of the total PC. |
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