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  • 1
    Electronic Resource
    Electronic Resource
    Etioplast-chloroplast transformation in maize leaves: Effects of tissue age and light intensity (1984)
    Springer
    Protoplasma 119 (1984), S. 110-120 
    Details
    ISSN: 1615-6102
    Keywords: Plastid greening ; Zea mays ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The effects of light intensity and cell age on the greening of etioplasts were studied in seedlings of maize. We could see that in the youngest tissues examined by us the etioplast greening is very fast and occurs according to a particular pattern which is characterized by the contemporary presence of grana and large non crystalline prolamellar bodies. On the contrary, in the oldest examined tissues the etioplast greening is slow and the formation of grana appears to be delayed and subsequent to the using up of the prolamellar bodies. In the young tissues the intensity of the light mainly affects the duration of the lag-phase preceding the chlorophyll accumulation, while in the old tissues it also affects the total amount of chlorophyllous pigments, the restraining effect of the light appearing amplified by a concomitant restraining effect of cell age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287823
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Tapetum plastids ofOlea europaea L. (1981)
    Springer
    Protoplasma 106 (1981), S. 289-296 
    Details
    ISSN: 1615-6102
    Keywords: Elaioplasts ; Olea europaea ; Plastids ; Pollenkitt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The plastid ontogenesis inOlea europaea tapetum has been studied. Tapetum plastids start their development as proplastids and differentiate into elaioplasts. At the end of their development the tapetal cells degenerate and are substituted by roundish lipidic masses which will later form an exine coating (Pollenkitt). During their ontogenesis the plastids are characteristically associated with membrane outlines of mostly smooth ER, which appear to be correlated with lipid accumulation inside the plastids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01275559
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    Paper (German National Licenses)
    Fulltext
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