Significance of glycosidases in lipid and carbohydrate metabolism II. Studies in the mesencephalon of fresh water turtle (Lissemys punctata).
The contribution deals with histochemical localization of alpha-glucosidase, beta-glucosidase, beta-galactosidase and beta-glucuronidase in the mesencephalon of fresh water turtle. These enzymes demonstrate strong activity in all the myelinated fibers. Neuronal elements of nucleus ruber, nucleus isthmi, torus semicircularis, third and fourth cranial nerve nuclei, nucleus profundus mesencephali etc. demonstrate variable activity. Interestingly enough, there is parallel localization of all these enzymes in nuclei and tracts of mesencephalon. Further, the pattern of phospholipids and neutral lipids localization is almost identical to that of glycosidases. Since lipids and carbohydrates are rich source of energy in the central nervous system, and these enzymes are involved in their breakdown, their possible role in nerve cells and fibers of mesencephalon of turtle has been discussed.
D000818:Animals; D005966:Glucuronidase / Q000378:metabolism; D006026:Glycoside Hydrolases / Q000378:metabolism*; D008636:Mesencephalon / Q000201:enzymology*; D009434:Neural Pathways / Q000201:enzymology; D013477:Superior Colliculi / Q000201:enzymology; D013681:Tegmentum Mesencephali / Q000201:enzymology; D014426:Turtles / Q000378:metabolism*; D000520:alpha-Glucosidases / Q000378:metabolism; D001616:beta-Galactosidase / Q000378:metabolism; D001617:beta-Glucosidase / Q000378:metabolism
D006026:Glycoside Hydrolases; D000520:alpha-Glucosidases; D001617:beta-Glucosidase; D001616:beta-Galactosidase; D005966:Glucuronidase