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Presence d'enzymes marqueurs des membranes plasmiques, de l'appareil de golgi et du reticulum endoplasmique dans les membranes des globules lipidiques de lait maternel
Author(s) -
Martel-Pradal M.B.,
Got R.
Publication year - 1972
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(72)80141-8
Subject(s) - microbiology and biotechnology , membrane , pyrophosphatase , golgi apparatus , biochemistry , endoplasmic reticulum , enzyme , chemistry , biology , phosphodiesterase
We report here the presence in human milk fat globules membranes of 5′‐nucleotidase, Na + ‐K + and Mg 2+ ATPases, and phosphodiesterase which are marker enzymes for the plasma membrane. Thiamine‐pyrophosphatase, lactose and lactosamine synthetase were also found, which are usually considered as Golgi apparatus marker enzymes. Lastly, glucose‐6‐phosphatase, NADH‐cytochrome c reductase and RNase, characteristic enzymes of the endoplasmic membrane, were also present.