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  • 1965-1969  (3)
  • 1
    Electronic Resource
    Electronic Resource
    The fine structure of barley aleurone cells (1969)
    Springer
    Planta 85 (1969), S. 359-375 
    Details
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The ultrastructural morphology of both dry and water-imbibed barley aleurone cells is described. The aleurone cell is characterized by the presence of numerous aleurone grains and spherosomes. In addition, it contains organelles typical of other plant cells including structures similar to microbodies, and rough endoplasmic reticulum characterized by the presence of numerous polyribosomes. It is inferred that the morphological specialization of aleurone cells is related to their biochemical specialization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00381284
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Gibberellic acid and the fine structure of barley aleurone cells (1969)
    Springer
    Planta 88 (1969), S. 73-86 
    Details
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary This paper describes the ultrastructural changes in barley aleurone cells following exposure to gibberollic acid (GA3) for 10–12 hr and longer. These changes involve a further proliferation of the endoplasmic reticulum (ER), distention of the endoplasmic reticulum (ER) cisternae (12–16 hr of GA3) and proliferation of vesicles from the ER and dictyosomes (14–22 hr). Accompanying these changes is a reduction in the size of the aleurone grains and a decrease in the number of spherosomes. Plastids and microbodies however appear to increase in number during this period of GA3 treatment. The relevance of these ultrastructural changes to GA3-stimulated synthesis of hydrolases is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00396117
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Gibberellic acid and the fine structure of barley aleurone cells (1969)
    Springer
    Planta 87 (1969), S. 119-133 
    Details
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary This paper describes changes in the fine structure of barley aleurone cells following treatment with gibberellic acid (GA3). Within 2 hr of GA3 treatment the aleurone grains lose the spherical appearance characteristic of aleurone cells incubated in water and buffer alone. This swelling increases with increased exposure of the cells to GA3 and reaches a maximum at about 10 hr. Accompanying this increase in volume of the aleurone grains is an increase in the amount of rough endoplasmic reticulum. The relevance of these GA3-stimulated changes in aleurone-cell fine-structure to GA3-regulated α-amylase production is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00386971
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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