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  • 11
    Electronic Resource
    Electronic Resource
    Relationship between Auxins and Nucleic Acid Synthesis in Coleoptile Tissues (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1824-1825 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seeds of Avena sativa var. N.P.I and Oryza sativa var. Rupsail were used. The seeds were germinated in the dark with occasional red light for 3 days. The coleoptiles were then decapitated at 2-3 mm. and floated on water for 2 hr. to free them from any endogenous auxin. After a further decapitation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831824b0
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  • 12
    Electronic Resource
    Electronic Resource
    The effects of nucleases on photosynthetic CO2 fixation (1960)
    Springer
    Cellular and molecular life sciences 16 (1960), S. 135-136 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Es scheint, dass DNase und RNase bei der photosynthetischen Fixierung des CO2 verschiedene und komplizierte Wirkung ausüben. Die Saccharaose-Synthese wird durch die Behandlung mit DNase und RNase deutlich vermindert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02157714
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  • 13
    Electronic Resource
    Electronic Resource
    Effect of polyribonucleotides on amino acid incorporation by chloroplast ribosomes (1965)
    Springer
    Cellular and molecular life sciences 21 (1965), S. 251-253 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Partikel mit Ribonucleoprotein aus Spinatehloroplasten wurden isoliert und als wahrscheinliche Loci der Proteinsynthese bestimmt. Nach Chloroplastenaufschluss hemmte die Granafraktion mit hoher Ribonucleaseaktivität den Aminosäureneinbau. Der Einbau von Phenylalanin wird durch Polyuridylsäure gefördert und durch Polyadenylsäure nur nach Vorbehandlung der Ribosomen-Aggregate mit Ribonuclease gehemmt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02297007
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  • 14
    Electronic Resource
    Electronic Resource
    Gram positivity induced in Escherichia coli by chloroform-methanol treatment (1968)
    Springer
    Histochemistry and cell biology 16 (1968), S. 150-153 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Extraction of lipid by chloroform-methanol from Escherichia coli induces Gram positivity in the cells of this bacterium. It has been observed that approximately 1.5 times more lipid is extracted from Escherichia coli than from Staphylococcus aureus by this treatment. An increase of 1.5–1.8 fold in the retention of dye has been evident in the case of S. aureus where as this was 70–90 fold in the case of E. coli, which is 1/4th of the normal retention by S. aureus. The more lipid present in the cell wall or cell membrane, the less retention of dye seems to be exhibited by the bacteria. This also substantiates our model for Gram reaction presented in a previous communication.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00280611
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  • 15
    Electronic Resource
    Electronic Resource
    Escherichia coli exhibiting gram positivity after cetyl pyridinium chloride treatment (1967)
    Springer
    Histochemistry and cell biology 10 (1967), S. 261-265 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Treatment with a solution of the detergent cetyl pyridinium chloride develops gram positivity in E. coli as is evident from the increased retention of crystal violet by the bacteria. Since cetyl pyridinium chloride has been found to remove larger quantity of lipid from E. coli than from the normal gram positive bacteria S. aureus, it is reasonable to think that lipid content in a bacteria may have an important role in determining the gram character of it. Gram negative bacteria generally contain more lipid than the gram positive ones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00304873
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  • 16
    Electronic Resource
    Electronic Resource
    Extraction of crystal violet-iodine complex from gram positive bacteria by different solvents and its implication on gram differentiation (1968)
    Springer
    Histochemistry and cell biology 14 (1968), S. 221-229 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Crystal violet from Gram stained S. aureus can be extracted completely by 95% ethanol if the stained bacteria is pre-treated with dilute sodium thiosulphate solution. Thiosulphate removes iodine form the cell component-dye-iodine complex instantaneously and renders the dye extractable by the differentiating medium. 1∶1 alcoholic solutions of aniline, dimethyl aniline, nitro-benzene, benzene, toluene or xylol can also extract the color from the stained S. aureus; the extraction with the first three solvents is almost exhaustive while with the latter solvents extraction is appreciable but incomplete. These solvents can form charge-transfer complexes with iodine. The findings indicate that the stability of the cell component-dye-iodine complex determines the Gram-character of the cell. A model hasbeen presented for the Gram cell component-dye-iodine complex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00306318
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  • 17
    Electronic Resource
    Electronic Resource
    Metachromasia induced by inositol-hexa-phosphate with toluidine blue (1969)
    Springer
    Histochemistry and cell biology 18 (1969), S. 202-209 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Metachromasia with toluidine blue could be induced by inositol hexaphosphate, the smallest chromotrope molecule so far reported. 2. The metachromatic compound, pink in color, and distinct from orthochromatic dye, could be separated by centrifugation. This complex could as well be decomposed by dil. HCl. 3. The stoichiometry of the metachromatic complex has been studied and the molar ratio of dye: phytate has been shown to vary with varying proportions of dye and phytate used in the reaction mixture and a maximum value of 10 could be obtained suggesting a steric hindrance for the attachment of dye to the phytate-molecule. 4. The divalent cations like, Ba++, Mg++, and Mn++ interfered with the formation of metachromatic complex, possibly competing with the dyes for the anionic sites of the phytate molecule.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00306167
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  • 18
    Electronic Resource
    Electronic Resource
    In vitro organogenesis of elephant apple (Feronia limonia) (1994)
    Springer
    Plant cell, tissue and organ culture 39 (1994), S. 265-268 
    Details
    ISSN: 1573-5044
    Keywords: adventitious regeneration ; cotyledon ; micropropagation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Elephant apple (Feronia limonia L.). was micropropagated on MS medium containing 4.4 μM benzyladenine and 4.6 μM kinetin using cotyledon explants taken from in vitro-grown seedlings. Adventitious buds formed on the cotyledon developed into shoots that were rooted in half-strength MS medium containing 0.57 μM indoleacetic acid and 0.49 μM indolebutyric acid. Plants were successfully established in soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00035980
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  • 19
    Electronic Resource
    Electronic Resource
    cDNA cloning of β-tubulin gene and organization of tubulin genes in Vigna radiata (mung bean) genome (1987)
    Springer
    Plant molecular biology 9 (1987), S. 565-571 
    Details
    ISSN: 1573-5028
    Keywords: Vigna radiata ; tubulin ; cDNA cloning ; mapping ; genomic organization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We isolated an almost full-length cDNA clone containing β-tubulin gene from a partial cDNA library of mung bean using chicken cDNA as probe. Cross-hybridization with chicken β-tubulin cDNA and positive hybridization-selection and translation of mung bean mRNA established that this clone contains β-tubulin sequences. We studied the organization of tubulin genes in mung bean. In this plant tubulin genes are organized in tandem repeats of alternating α- and β-tubulin genes. The 5.6 kb basis repeat unit which contains both α- and β-tubulin genes is repeated twenty times per haploid genome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00020533
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  • 20
    Electronic Resource
    Electronic Resource
    The effects of group size and income on contributions to the Corporation for Public Broadcasting (1993)
    Springer
    Public choice 77 (1993), S. 407-414 
    Details
    ISSN: 1573-7101
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper examines the extent to which individual contributions to public television are explained by the size of the audience which receives the individual station's television signal. It also incorporates the effects of income on contributions to public television in order to assess the combined effects of income and group size on contributions to public goods. The existing literature on contributions to public goods differs from this paper in several respects. First, this study uses field data to test the effects of group size on a public good. The majority of the existing literature on public goods contributions is based on experimental data. Most of this literature addresses the issue of free riding behavior, not the effects on contributions of different sized groups. Finally, the theory of group size developed in prior work does not address the issue of how contributions differ for groups which are very different in size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01047878
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