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  • 1
    Electronic Resource
    Electronic Resource
    Regularly aligned mitochondria in aleurone and sub-aleurone layers of developing rice caryopses (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 4 (1981), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. Mitochondria were found to be aligned along the upper periclinal walls of aleurone and endosperm cells in developing rice caryopses. The significance of this distribution is discussed in relation to previous studies of solute transport in rice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1981.tb02112.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The use of the fluorescent probe 8-anilino-1-naphthalene sulphonic acid (ANS) as a histochemical stain in plant tissues (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 5 (1982), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. The fluorescent probe 8-anilino-l-naphthalene sulphonic acid (ANS) has been evaluated as a histochemical stain for plant tissues. The wide specificity of the compound for hydrophobic binding sites limits its analytical use, but renders it of considerable value as a general fluorescent stain for use in epi-illumination fluorescence microscopy. Used in this way it is analogous to the light-microscope stain toluidine blue. ANS has also been found to be a sensitive vascular tracer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1365-3040.ep11572488
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Variation in pollen viability in the onion (Allium cepa L.) (1976)
    Springer
    Euphytica 25 (1976), S. 753-759 
    Details
    ISSN: 1573-5060
    Keywords: Allium cepa ; onion ; pollen viability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The pollen viability of onions in a glasshouse was recorded from May to October 1975, using the fluorescein test. The average viability was 60–95% for most of this period but fell to less than 1% during the last two weeks of August. There was great variation in pollen viability between anthers within a flower and between flowers within a head. Attempts to induce pollen inviability by low temperature treatments at various stages of inflorescence development were unsuccessful. Low levels of pollen inviability appear to be a characteristic feature of onions, but the high level of inviability which was found both in this and in a previous season was associated particularly with the August period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00041615
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ultrastructure of the developing pigment strand of rice (Oryza sativa L.) in relation to its role in solute transport (1982)
    Springer
    Protoplasma 113 (1982), S. 33-43 
    Details
    ISSN: 1615-6102
    Keywords: Apoplast ; Assimilate transport ; Pigment strand ; Rice ; Suberin ; Symplast ; Zinc iodide-osmium fixation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The developing pigment strand of rice (Oryza sativa L.) was studied by conventional electron microscopy and also by use of thick sections post-fixed with zinc iodide and osmium (ZIO). When the rice caryopsis achieves maximum length, a suberised adcrusting wall layer is laid down over the original primary walls of the pigment strand. Concomitant with suberin deposition a proliferation of tubular endoplasmic reticulum occurs in the cytoplasm giving rise to numerous interconnected vesicles which bear ribosomes. The vesicles in the general cytoplasm retain their ribosomes while those close to the wall become smooth and contain an electron-opaque granular material which is eventually deposited to the outside of the plasmalemma. This granular material may be the precursor(s) from which suberin is polymerised. The suberised wall attains about six times the width of the original primary wall and plasmodesmata, which traverse both primary wall and suberised wall layers, become greatly elongated. Lipid bodies increase in both size and frequency during development, eventually coalescing to form a complete plug across the pigment strand and occluding the symplast of this tissue. The significance of these ultrastructural observations is discussed in relation to the previously demonstrated role of the pigment strand as a translocation pathway for water and assimilates during grain filling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283037
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    Paper (German National Licenses)
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