Electronic Resource
Springer
Archives of microbiology
103 (1975), S. 51-55
ISSN:
1432-072X
Keywords:
Yeast
;
Invertase
;
Isoenzymes
;
Localization
;
Vacuoles
;
Spheroplasts
;
Lipid Granules
;
Cytosol
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Homogenates from yeast cells contain 1% or less of sedimentable invertase activity. Sedimentability is equally low in homogenates from cells repressed or derepressed with regard to invertase secretion. Intracellularly, the mannanprotein form of invertase is largely localized in vacuoles whereas the small isoenzyme is largely present in the soluble cell fraction. These findings indicate that vesicles are not involved in the secretion of invertase. A soluble mode of invertase secretion is discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00436329
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