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  • 1
    Electronic Resource
    Electronic Resource
    Preparative Column Electrophoresis of Polysaccharides (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 488-489 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The column was filled with glass powder prepared from glass wool. The glass wool soaked in water was cut into 1-2 cm. lengths and ground under water in a mechanical mortar until the mass looked homogeneous ; then it was ground in water in a ball mill for 3 hr. The resultant fine powder was washed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/179488a0
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  • 2
    Electronic Resource
    Electronic Resource
    Production of Oxygen from Chloroplast Preparations: Active Chloroplast Preparations from Chlorella pyrenoidosa (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 948-949 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PUNNETT AND FABIYI point out in the preceding communication that our knowledge of the cell-free photochemical system from green plants has been mainly derived from leaves ; recent knowledge of the physiological process of photosynthesis has been mainly derived from the study of unicellular ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/172948a0
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  • 3
    Electronic Resource
    Electronic Resource
    Chemistry of the Plant Cell Wall (1972)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 23 (1972), S. 113-132 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.23.060172.000553
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  • 4
    Electronic Resource
    Electronic Resource
    Site of Phenylalanine Ammonia–Lyase Activity and Synthesis of Lignin during Xylem Differentiation (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 1230-1234 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Differentiating xylem can probably synthesize lignin from phenylalanine without a supply of precursors from ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2191230a0
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  • 5
    Electronic Resource
    Electronic Resource
    Polysaccharides (1964)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biochemistry 33 (1964), S. 51-74 
    Details
    ISSN: 0066-4154
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.bi.33.070164.000411
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  • 6
    Electronic Resource
    Electronic Resource
    Hydroxyproline in Primary Cell Walls of Higher Plants (1960)
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 665-666 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The plant tissues used in this work are listed in Table 1. The rotary shaker technique described by Nickell9 was used for growing the sycamore cell suspensions which were derived from callus tissue originating from explants of secondary cambial tissues taken from the tree in November 1958. Bean ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/188665b0
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  • 7
    Electronic Resource
    Electronic Resource
    Structure and Enzyme Activity (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 661-662 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the present moment there is an awakening of interest in the relation of structure to the function of various organelles of the cell, as the background to a more complete understanding of the behaviour of the living cell5. In this connexion, it seemed interesting to examine the action of long ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/195661a0
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  • 8
    Electronic Resource
    Electronic Resource
    Structure of the Nuclear Pore in Higher Plants (1970)
    [s.l.] : Nature Publishing Group
    Nature 228 (1970), S. 385-386 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We wish to describe the pore structures observed in suspension culture cells of sycamore (Acer pseudoplatanus) and bean (Phaseolus vulgaris], crown gall tumour cells of Parihenocissus tricuspidata and root tips of sycamore and pea (Pisum sativum). (A more complete report will be published ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/228385a0
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  • 9
    Electronic Resource
    Electronic Resource
    Multinucleate transfer cells induced in coleus roots by the root-knot nematode,Meloidogyne arenaria (1972)
    Springer
    Protoplasma 75 (1972), S. 381-395 
    Details
    ISSN: 1615-6102
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The occurrence and position of wall protuberances in giant cells induced in coleus roots by the root-knot nematodeMeloidogyne arenaria is described, and the structure and function of giant cells is compared with that of syncytia induced by cyst-nematodes. Extensive protuberance development occurs on walls of giant cells adjacent to xylem vessels. Protuberances are less well developed next to sieve elements, and almost absent next to parenchyma cells. On walls between giant cells they occur on both sides or only one side. The formation of protuberances indicates that giant cells are multinucleate transfer cells. The position of protuberances marks the wall area where solutes enter the cell. Solutes are obtained from xylem and phloem elements, and the position of protuberances at the junction between giant cells and vascular elements indicates an extensive flow of solutes along cell walls. The observations support the hypothesis that wall protuberances form as a result of selective solute flow across the plasmalemma. No cell wall dissolution was observed, although wall gaps may occur between giant cells as a result of breakage during rapid cell expansion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01282117
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  • 10
    Electronic Resource
    Electronic Resource
    The scales ofChrysochromulina chiton (1975)
    Springer
    Protoplasma 83 (1975), S. 389-412 
    Details
    ISSN: 1615-6102
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The scales ofChrysochromulina chiton have been isolated and their structure and chemical composition investigated. Three types were identified and the arrangement of these on the surface of the algae was shown. Each had interwoven radial and spiral fibrillar material embedded in a matrix. They were made of four similar quarters and a rim. The chemical investigation has also been carried out on scales made radioactive by incubation of the algae with D-[U-14C]-glucose. The scales were composed of 65% protein and 32.5% carbohydrate. A glycoprotein was present and the carbohydrate-protein linkage was probably by a glucosaminylasparagine group. No glycosyl serine or threonine linkages were detected. A β 1–4 glucan was present and represents the fibrils of the scales. Three other polysaccharides were separated as soluble material from the matrix. Two of these were acidic polysaccharides, one of which was rich in ribose. The third was neutral and contained an unidentified sugar. This unidentified sugar also occured in one of the acidic polysaccharides and it may be in part sulphated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01418596
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