Marc Elías

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ATP is an electrically charged molecule that functions both in the supply of energy necessary for cellular activity and as an intercellular signaling molecule. Although controlled ATP secretion occurs via exocytosis of granules and vesicles, in some cells, and under certain conditions, other mechanisms control ATP release. Gap junctions, intercellular(More)
During synaptic transmission large amounts of ATP are released from pre- and post-synaptic sources of Torpedo electric organ. A chain reaction sequentially hydrolyses ATP to adenosine, which inhibits acetylcholine secretion. The first enzyme implicated in this extracellular ATP hydrolysis is an ecto-nucleoside triphosphate diphosphohydrolase (E-NTPDase)(More)
The distribution of linamarase in latex and its purification, characterization, and immunocytochemical localization in petioles were studied in order to get an insight into the process of cyanogenesis in cassava. Crude latex exudate exhibited low linamarase activity, but on dilution the activity increased about fivefold. Assay using petiole latex collected(More)
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