Intracellular enzymes and their localization in slender and stumpy forms of Trypanosoma brucei rhodesiense

Acid phosphatase and cathepsin D activity is greater in stumpy than in slender forms, especially when estimations are made on a ‘light lysosomal’ fraction. Acid phosphatase is localized in the region of the flagellar pocket in slender forms but is present in lysosomes, phagolysosomes, autophagosomes...

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Veröffentlicht in:International journal for parasitology 1977-04, Vol.7 (2), p.139-147
Hauptverfasser: Venkatesan, S., Bird, R.G., Ormerod, W.E.
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container_title International journal for parasitology
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creator Venkatesan, S.
Bird, R.G.
Ormerod, W.E.
description Acid phosphatase and cathepsin D activity is greater in stumpy than in slender forms, especially when estimations are made on a ‘light lysosomal’ fraction. Acid phosphatase is localized in the region of the flagellar pocket in slender forms but is present in lysosomes, phagolysosomes, autophagosomes and rough endoplasmic reticulum of stumpy forms. In stumpy forms dense bodies develop the macrocrystalline structure of peroxisomes. Intense enzyme activity in stumpy forms appears to be associated with absorption of lipid from the plasma by a mechanism similar to but of greater intensity than that described in atheromatous rabbit aorta.
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subjects acid phosphatase
Acid Phosphatase - metabolism
Animals
autophagosome
cathepsin
Cathepsins - metabolism
cholesterol ester
Cytoplasmic Granules - enzymology
glucuronidase
lipids
lysosomes
peroxisome
phagolysosome
Trypanosoma brucei
Trypanosoma brucei brucei - enzymology
Trypanosoma brucei brucei - growth & development
Trypanosoma brucei brucei - ultrastructure
title Intracellular enzymes and their localization in slender and stumpy forms of Trypanosoma brucei rhodesiense
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