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  • 1
    Electronic Resource
    Electronic Resource
    THE EFFECT OF α-METHYLDOPA ON THE METABOLISM OF 5-HYDROXYTRYPTAMINE IN RAT BRAIN (1962)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 9 (1962), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1962.tb09467.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    UPTAKE OF d- AND l-ALANINE BY RAT BRAIN SLICES (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 12 (1965), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1965.tb11943.x
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  • 3
    Electronic Resource
    Electronic Resource
    KINETICS OF NEUTRAL AMINO ACID TRANSPORT IN RAT BRAIN IN VITRO (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 14 (1967), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1967.tb09526.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A Pipeline Testing Facility for the Examination of Pipe-Wall Deposits and Red-Water Events in Drinking Water (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 13 (1999), S. 0 
    Details
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Field surveys of Thames Water's distribution mains found the occurrence of ‘red water’ to be highly variable and localized. To model the many inter-related factors identified in the field, a controlled pipeline-testing facility was required to simulate conditions in a ‘live’ network, but on a pilot-scale. This was achieved by incorporating a specialized red-water testing facility into an existing experimental pipeline.This paper describes the hydraulic and material design features, including the addition of a ‘dead-end’ section operated on a stagnation and flow regime, quantified using computational fluid dynamics. Following commissioning, the facility has provided detailed, time-sequenced observations on corrosion-deposit development and red-water generation under different hydraulic regimes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1747-6593.1999.tb00999.x
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  • 5
    Electronic Resource
    Electronic Resource
    Mineral Metabolism (1947)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biochemistry 16 (1947), S. 273-290 
    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.16.070147.001421
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  • 6
    Electronic Resource
    Electronic Resource
    Physiological Interactions Between Symbionts in Vesicular-Arbuscular Mycorrhizal Plants (1988)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 39 (1988), S. 221-244 
    Details
    ISSN: 1040-2519
    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.39.060188.001253
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  • 7
    Electronic Resource
    Electronic Resource
    Functional diversity in arbuscular mycorrhizas: exploitation of soil patches with different phosphate enrichment differs among fungal species (2005)
    Oxford, UK : Blackwell Science Ltd
    Plant, cell & environment 28 (2005), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Most terrestrial plant species form associations with arbuscular mycorrhizal fungi (AMF) that transfer soil P to the plant via their external hyphae. The distribution of nutrients in soils is typically patchy (heterogeneous) but little is known about the ability of AMF to exploit P patches in soil. This was studied by growing symbioses of Linum usitatissimum and three AMF (Glomus intraradices, G. mosseae and Gigaspora margarita) in pots with two side-arms, which were accessible to hyphae, but not to roots. Soil in one side-arm was either unamended (P0) or enriched with P; simultaneous labelling of this soil with 32P revealed that G. intraradices responded to P enrichment both in terms of hyphal proliferation and P uptake, whereas the other AMF did not. Labelling with 33P of P0 soil in the other side arm revealed that the increased P uptake by G. intraradices from the P-enriched patch was paralleled by decreased P uptake by other parts of the mycelium. This is the first demonstration of variation in growth and nutrient uptake by an AMF as influenced by a localized P enrichment of the soil. The results are discussed in the context of functional diversity of AMF.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.2005.01310.x
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  • 8
    Electronic Resource
    Electronic Resource
    Effects of Pollination Method on Strain Cross Yield in Lucerne (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 102 (1989), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Because of difficulties in pollination, control, F1 hybrids have not been widely explioted in lucerne’ (Medicago sativa L.). Strain crossing (uncontrolled hybridization between two or more self-fertile populations with seed of the populations combined to product a “strain cross” population) represents a potentially valuable alternative procedure for exploiting heterosis in this species. Strain crosses in lucerne are typically produced using insect pollination in the field. Using hand pollination under glasshouse houses could increase the number of strain crosses available for tests of combining ability. The objective of this study was to determine whether forage yield of strain crosses produced using hand pollination were sufficiently similar to that of insect-produced populations to allow the use of the former in lucerne breeding. Forage yields of eight pairs of hand- and insect-produced strain crosses did not differ significantly in 15 of 16 pairwise comparisons and were positively correlated (rs= 0.90) for 20 harvests at two locations. Yield amp of band produced strain crosses could be used, with reasonable accuracy to accuracy the eventual performance of strain crosses produced between the same populations using insect pollination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1989.tb00318.x
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  • 9
    Electronic Resource
    Electronic Resource
    Variation in generative cell plastid nucleoids and male fertility in Medicago sativa (1995)
    Springer
    Sexual plant reproduction 8 (1995), S. 308-312 
    Details
    ISSN: 1432-2145
    Keywords: Alfalfa ; Chloroplast ; Organelle inheritance ; Pollen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Biparental inheritance of plastids has been documented in numerous angiosperm species. The adaptive significance of the mode of plastid inheritance (unior biparental) is poorly understood. In plants exhibiting paternal inheritance of plastids, DNA-containing plastids in the microgametophyte may affect survival or growth of the gametophyte or the embryo. In this study the number of plastids containing DNA (nucleoids) in generative cells and generative cell and pollen volumes were evaluated in a range of genotypes of Medicago sativa (alfalfa). M. sativa exhibits biparental inheritance of plastids with strong paternal bias. The M. sativa genotypes used were crossed as male parents to a common genotype and the relationships between the gametophytic traits measured and male reproductive success were assessed. Generative cell plastid number and pollen grain size exhibited opposing associations with male fertility. Path analysis showed that generative cell plastid number was negatively associated with male fertility. This study provides evidence that there may be a competitive advantage at fertilization afforded sperm that have minimized their organelle content. The apparent lack of strong selection for reduced plastid number in generative cells of M. sativa may be a reflection of the diminished importance of reproductive success due to its perenniality or its long use in cultivation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00229388
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  • 10
    Electronic Resource
    Electronic Resource
    A test of possible cognitive and environmental influences on the mood lowering effect of tryptophan depletion in normal males (1987)
    Springer
    Psychopharmacology 91 (1987), S. 451-457 
    Details
    ISSN: 1432-2072
    Keywords: Tryptophan ; 5-Hydroxytryptamine ; Depression ; Cognition ; Environment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a previous study we found that a tryptophan-deficient amino acid mixture, designed to lower tissue tryptophan and thus brain 5-hydroxytryptamine (5HT) levels, caused a rapid (5 h) lowering of mood in normal males. Because of the importance of this evidence indicating a direct causal connection between low 5HT and low mood, we have now investigated other possible explanations for the mood lowering effect. Research strongly supports the involvement of environmental setting and cognition in the production and experience of emotions. Therefore we investigated how these factors might influence the mood-lowering effects of tryptophan depletion. In an instructional manipulation subjects were either supplied or not supplied with information designed to account for any possible peripheral sensations that might be related to depressive affect. In an environmental manipulation subjects were exposed either to a supportive and comfortable atmosphere (positive environment), or an unrewarding and unstimulating environment (negative environment). In the control group, which received a balanced amino acid mixture, the positive and negative environments had the expected effects on the scores of the Multiple Affect Adjective Checklist, thus indicating the effectiveness of these procedures. In the tryptophan depletion group neither the instructional nor the environmental manipulation had any influence on the mood lowering effect. It may be that tryptophan depletion lowers mood in normal males because low 5HT influences mood directly rather than via cognitive processes. Our data strongly support the idea that 5HT exerts an effect on mood and that low 5HT may, in some patients, be an important factor contributing to the etiology of clinical depression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216010
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