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  • 1
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    The vespa process for the analysis of seismic signals (1971)
    In:  Nature, Warszawa, Army Corps of Engineers, Woodward-Clyde Consultants, vol. 232, no. 5, pp. 8-13, pp. 1013, (ISBN: 0-12-018847-3)
    Details
    Publication Date: 1971
    Keywords: Seismic networks ; Seismic arrays ; PIC ; ves
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Pattern recognition techniques for the interpretation of vespagrams and beamsplit data (1971)
    MIT Lincoln Lab.
    In:  Semiannual Technical Summary Report, Lexington, Mass., MIT Lincoln Lab., vol. 10, no. rapport C 20754-9.1 (2.2), pp. 38-41
    Details
    Publication Date: 1971
    Keywords: Artificial intelligence (AI) ; Pattern recognition ; Detectors ; PIC ; ves ; Seismic networks ; Seismic arrays ; Discrimination ; Data analysis / ~ processing
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
    Electronic Resource
    Electronic Resource
    Pollen irradiation and the transfer of maternal genes in Pisum sativum (1984)
    Springer
    Theoretical and applied genetics 67 (1984), S. 245-248 
    Details
    ISSN: 1432-2242
    Keywords: Pollen ; Irradiation ; Gene transfer ; Pisum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Pollen of Pisum sativum was exposed to doses of 900 to 6,000 r of X-rays prior to pollinating a multiply marked genotype. The first generation progeny closely resembled that produced with unirradiated pollen. In the second generation, five loci were monitored, and the results showed that irradiation enhanced the proportion of maternal information transmitted to the progeny; the practical implications of the data, as well as the mechanism underlying the effect are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00317046
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  • 4
    Electronic Resource
    Electronic Resource
    The effect of nitrogen deficiency on the growth and metabolism of Lemna minor L. (1977)
    Springer
    Planta 137 (1977), S. 259-264 
    Details
    ISSN: 1432-2048
    Keywords: Glycolysis ; Lemna ; Nitrogen deficiency ; Protein degradation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract When Lemna is deprived of nitrogen, growth and respiration decrease and the pattern of 14CO2 release from [1-14C]glucose and [6-14C]glucose is consistent with a relatively strong inhibition of glycolysis. Protein degradation is enhanced but the concentration of free amino acid decreases. It is argued that the biological significance of the increased protein degradation does not lie in its contribution to respiration but as a mechanism to replace one set of enzymes adapted to a particular environmental condition (high nitrogen) with another set of enzymes adapted for low nitrogen in the environment. The change in enzyme pattern associated with the change from high to zero nitrogen in the growth medium has been examined for nine enzymes. The changes in activity observed are consistent with the observed apparent inhibition of glycolysis during nitrogen starvation, but do not explain the inhibition of the pentose phosphate pathway.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00388160
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  • 5
    Electronic Resource
    Electronic Resource
    The molecular basis of the selectivity of protein degradation in stressed senescent barley (Hordeum vulgare cv. Proctor) leaves (1983)
    Springer
    Planta 158 (1983), S. 550-559 
    Details
    ISSN: 1432-2048
    Keywords: Enzyme degradation ; Hordeum (protein degradation) ; Protein degradation ; Senescence ; Stress and protein degradation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The molecular basis for the selectivity of protein degradation has been examined in osmotically stressed and senescent barley leaves. Relatively weak correlations between the in-vivo rate of loss of enzyme activity, and the charge and molecular weight of the enzymes ahve been detected. We interpret these correlations as supporting the view that the selectivity of enzyme degradation is the result of the physical properties of the enzymes being degraded. The weakness of the correlates is taken to mean that a number of properties which contribute to the selectivity are independent of one another. Under in-vitro conditions (autolysis at 0° C), the loss of enzyme activity was weakly correlated with the charge of the enzymes. However, there was a general similarity between the in-vivo pattern of loss of enzyme activity and the in-vitro patterns under a number of conditions. Furthermore double-isotope experiments demonstrated that the in-vivo degradation of soluble protein was reflected by in-vitro degradation under a number of conditions. Consequently we conclude that the selectivity of protein degradation is largely independent of the nature of the proteolytic system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00397246
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  • 6
    Electronic Resource
    Electronic Resource
    The mechanism of deuterium oxide-induced protein degradation in Lemna minor (1980)
    Springer
    Planta 148 (1980), S. 374-380 
    Details
    ISSN: 1432-2048
    Keywords: Deuterium oxide ; Lemna ; Protein degradation ; Stress (D2O) ; Tonoplast properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Transfer of Lemna minor fronds to culture medium containing 50% (v/v) deuterium oxide induces a large increase in the rate of protein breakdown, which is not due to an increase in the activity of acidic or neutral proteolytic enzymes or peptidases. Biochemical and ultrastructural evidence indicates that deuterium oxide affects the properties of certain membranes, particularly the tonoplast, and allows vacuolar proteolytic enzymes to pass into the cytoplasm and cause the increased protein breakdown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00388126
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  • 7
    Electronic Resource
    Electronic Resource
    The initiation of legumin synthesis in immature embryos of Pisum sativum L. grown in vivo and in vitro (1980)
    Springer
    Planta 149 (1980), S. 454-460 
    Details
    ISSN: 1432-2048
    Keywords: Embryo culture ; Enzyme-linked immunosorbent assay (ELISA) ; Legumin ; Pisum ; Protein (storage) ; Storage protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A highly sensitive immunoassay has been used for the detection of a major storage protein, legumin, in embryos of Pisum sativum L.; with this technique nanogram quantities could be measured. In the two varieties tested, legumin could be detected in embryos in vivo, when they had attained a fresh weight of 2·10-3 g and 3·10-3 g, respectively. Contrary to earlier claims, embryos cultured in vitro were shown to be capable of initiating legumin synthesis. This capacity to initiate legumin synthesis was confirmed by two-dimensional isoelectric focusing-electrophoresis and fluorography; embryos harvested before initiation of legumin synthesis and cultured in radioactive medium were shown to have synthesized legumin subunits. The amounts of legumin and total protein synthesized per unit fresh weight were consistently greater in vitro than in equivalent embryos grown in vivo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00385747
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  • 8
    Electronic Resource
    Electronic Resource
    The cytology of cotyledon cells and the induction of giant polytene chromosomes inPisum sativum (1979)
    Springer
    Protoplasma 101 (1979), S. 73-80 
    Details
    ISSN: 1615-6102
    Keywords: Cotyledon culture ; Pisum ; Polytene chromosomes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The cotyledon cells ofPisum sativum have high DNA contents. By appropriate culture techniques, some of these cells can be triggered into division. Two types of dividing nuclei were seen. Firstly those that were polyploid with metaphases containing chromosome numbers ranging in value from 4 x to 32 x. Included among these were unexpected numbers equivalent to 12 x and 14 x. Secondly there were cells containing giant polytene chromosomes and these progressed from prophase to a metaphase where the polytene chromosomes separated into constituent single chromosomes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01293436
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  • 9
    Electronic Resource
    Electronic Resource
    Organization and mapping of legumin genes in Pisum (1986)
    Springer
    Molecular genetics and genomics 202 (1986), S. 280-285 
    Details
    ISSN: 1617-4623
    Keywords: Legumin genes ; Genetic loci ; Pisum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The organization of three classes of legumin gene has been studied by exploiting restriction fragment length polymorphisms. Hybridization of cDNA probes, representing different sub-families of legumin gene, to DNA from F2 and F6 plants from selected crosses showed that there was a tight linkage of individual genes within each of two sub-families. One of these sub-families has been mapped to a locus on chromosome 7 close to r, while the other maps to a locus near a on chromosome 1. The results from one of the crosses analyzed indicated that a third class of legumin gene is also linked to a.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00331651
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  • 10
    Electronic Resource
    Electronic Resource
    Vicilin genes ofPisum (1986)
    Springer
    Molecular genetics and genomics 205 (1986), S. 164-169 
    Details
    ISSN: 1617-4623
    Keywords: Vicilin ; Genetic loci ; Pisum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We describe four genomic clones of pea 7S storage protein gene, one of which corresponds to convicilin, and the others to vicilin. Hybridization studies exploiting these clones, and previously identified cDNA clones, have enabled us to define six different loci. Three of these loci have been mapped to positions on chromosome 7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02428047
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