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  • 1
    Electronic Resource
    Electronic Resource
    THE APPLICATION OF GAS—LIQUID PARTITION CHROMATOGRAPHY TO PROBLEMS IN CHEMICAL KINETICS ACID—CATALYZED METHANOLYSIS OF ENOL ACETATES (1960)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 64 (1960), S. 947-949 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100836a512
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  • 2
    Electronic Resource
    Electronic Resource
    Employee Gender, Gender Similarity, and Supervisor-Subordinate Cross-Evaluations (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Psychology of women quarterly 8 (1983), S. 0 
    Details
    ISSN: 1471-6402
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: This article examines the relationship between employee gender and gender similarity on the one hand and supervisor-subordinate cross-evaluations and subordinate rewards on the other, using a sample of 651 employees from five midwestern organizations. Data were obtained through structured interviews, supervisor ratings of subordinates, and employee personnel records. Two-way analysis of variance results indicated that (a) evaluations of women are more positive than evaluations of men and (b) opposite-sex evaluations tend to be higher than same-sex evaluations, but (c) men subordinates receive more promotions, and same-sex subordinates more pay increases, than do women subordinates and opposite-sex subordinates respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-6402.1983.tb00627.x
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  • 3
    Electronic Resource
    Electronic Resource
    THE CHEMISTRY OF PLAQUE (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 131 (1965), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1965.tb34843.x
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  • 4
    Electronic Resource
    Electronic Resource
    THROMBOCYTOPENIA AND MEGALOBLASTIC ANAEMIA OF PREGNANCY (1964)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 71 (1964), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1964.tb04325.x
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  • 5
    Electronic Resource
    Electronic Resource
    ABSENTEEISM AND TURNOVER: IS THERE A PROGRESSION? [1] (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of management studies 19 (1982), S. 0 
    Details
    ISSN: 1467-6486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Three patterns of relationships between employee absenteeism and turnover have been suggested in the past—that withdrawal progresses from absenteeism to turnover, that absenteeism and turnover are alternatives to each other, and that absenteeism and turnover are unrelated. This paper examines the proposition that there is a rising trend of absences for leavers as the point of their turnover approaches, using data from employees of two midwestern U.S. organizations, a bank and a manufacturing company. A paired subjects design is used for analysis of the progression notion. The results affirm the existence of a positive association between absenteeism and turnover but provide, at best, weak confirmation of the progression hypothesis. The results from the two organizations are also different from each other. Measurement, sample, analysis, and theory problems are discussed as potential explanations of the differential results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6486.1982.tb00116.x
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  • 6
    Electronic Resource
    Electronic Resource
    The effect of nitrogen and phosphorus deficiency on flavonol accumulation in plant tissues (2001)
    Oxford, UK : Blackwell Science, Ltd
    Plant, cell & environment 24 (2001), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The flavonol content of Arabidopsis thaliana and tomato seedlings was assessed in conditions of reduced nitrogen or phosphorus availability. In both systems, a significant inverse relationship was observed between nutrient availability and flavonol accumulation, with nitrogen limitation promoting the greatest increase in flavonols. A trial was established to determine the effects of decreased nitrogen and phosphorus availability on the flavonol content of leaf and fruit tissues of tomato plants (Lycopersicon esculentum cv. Chaser) in a commercial situation. Nutrients were supplied by a hydroponic system with nutrient regimes designed to provide the highest and lowest nitrogen and phosphorus levels with which it is possible to support plant growth and fruit set. Fruiting was abundant and tomato fruits were harvested at mature green, breaker and red stages of ripening; leaves were also harvested from the tops of the plants. All tissues were analysed for flavonol content using reversed-phase high-performance liquid chromatography. Flavonol accumulation in the leaves of mature tomato plants was found to increase significantly in response to nitrogen stress, whereas phosphorus deficiency did not elicit this response. Reduced nitrogen availability had no consistent effect on the flavonol content of tomato fruits. Phosphorus deficiency elicited an increase in flavonol content in early stages of ripening. Effects of nutrient stress on the flavonol content of tomato fruits were lost as ripening progressed. The findings suggest that nutrient status may be employed to manipulate the flavonol content of vegetative tissues but cannot be used to elevate the flavonol content of tomato fruit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3040.2001.00768.x
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  • 7
    Electronic Resource
    Electronic Resource
    Arabidopsis thaliana contains two phosphoenolpyruvate carboxylase kinase genes with different expression patterns (2002)
    Oxford, UK : Blackwell Science, Ltd
    Plant, cell & environment 25 (2002), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We have already reported the cloning of one phosphoenolpyruvate carboxylase kinase gene from Arabidopsis thaliana (Hartwell et al. 1999, Plant Journal 20, 333–342), hereafter termed PPCK1. A second putative phosphoenolpyruvate carboxylase kinase gene (PPCK2) was identified in the Arabidopsis genome. The corresponding cDNA was amplified from flower tissue by reverse transcriptase (RT)-polymerase chain reaction (PCR). This cDNA was transcribed and translated in vitro. The translation products possessed high phosphoenolpyruvate carboxylase kinase activity, confirming the identity of the PPCK2 gene. The expression of both phosphoenolpyruvate carboxylase kinase genes was examined by RT-PCR. PPCK1 is mainly expressed in rosette leaves whereas PPCK2 is expressed in flowers and, at a lower level, in roots and cauline leaves. Light increased the expression of PPCK1 in rosette leaves and that of PPCK2 in flowers. The expression of both genes in an Arabidopsis cell culture was increased by treatment with cycloheximide. The data suggest that the two genes may have different roles in tissue-specific regulation of phosphoenolpyruvate carboxylase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.0016-8025.2001.00805.x
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  • 8
    Electronic Resource
    Electronic Resource
    The light induction of maize phosphoenolpyruvate carboxylase kinase translatable mRNA requires transcription but not translation (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 22 (1999), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We have previously demonstrated that the level of translatable mRNA for phosphoenolpyruvate carboxylase kinase in maize leaves is increased in response to light (Hartwell et al. 1996; Plant Journal10, 1071–1078). To identify the steps required for this increase, we have examined the effects of protein and RNA synthesis inhibitors. The RNA synthesis inhibitors actinomycin D and cordycepin (500 μM) strongly inhibited the light-induced increases in kinase translatable mRNA and the apparent phosphorylation state of phosphoenolpyruvate carboxylase, as judged by its sensitivity to inhibition by L-malate. The protein synthesis inhibitors cycloheximide and puromycin blocked the light-induced increase in the apparent phosphorylation state of phosphoenolpyruvate carboxylase but not the increase in kinase translatable mRNA. Indeed, the amount of phosphoenolpyruvate carboxylase kinase translatable mRNA after 3 h of illumination of leaves treated with either 1 mM puromycin or 100 μM cycloheximide was double that in illuminated control leaves. Each inhibitor reduced the light-induction of two control genes, malic enzyme and pyruvate, phosphate dikinase. Thus the light induction of phosphoenolpyruvate carboxylase kinase translatable mRNA requires RNA synthesis, but not protein synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3040.1999.00455.x
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  • 9
    Electronic Resource
    Electronic Resource
    UV and blue light signal transduction in Arabidopsis (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 20 (1997), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The application of genetic and biochemical approaches in Arabidopsis has generated new insights into the photoreceptors and signal transduction processes that mediate the effects of UV and blue light on gene expression and development. Biochemical studies with an Arabidopsis cell culture have provided information on the signal transduction events that couple UV-B and UV-A/blue light perception to transcription of the chalcone synthase (CHS) gene. Interactions between UV-B and both UV-A and blue light signalling pathways enhance the level of CHS transcription. Mutants which identify negative regulators of CHS transcription in response to UV and blue light have been isolated. The integration of biochemical and genetic approaches will further advance understanding of UV and blue light perception and signal transduction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3040.1997.d01-105.x
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  • 10
    Electronic Resource
    Electronic Resource
    Gravitropic responses of wild-type and mutant strains of the moss Physcomitrella patens (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 9 (1986), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The gravitropic responses of dark-grown caulonemata and gametophores of wild-type and mutant strains of the moss Physcomitrella patens have been investigated. In the wild-type both caulonemata and gamelophores show negative orthogravitropism. No gravitropic response is observed when plants are rotated slowly on a clinostat and the inductive effect of gravity can be replaced by centrifugal force. The gravitropic response of caulonemanta is biphasic, consisting of an initial phase producing a bend of about 20° within 12 h of 90° reorientation and a subsequent slower phase leading to completion of the 90° curvature. No obvious sedimentation of statoliths accompanies this response. Several mutants have been isolated that are either partially or completely impaired in caulonemal gravitropism and one mutant shows a positive gravitropic response. Complementation analysis using somatic hybrids obtained following protoplast fusion indicates that at least three genes can mutate to give an altered gravitropic phenotype. None of these mutants is altered in gametophore gravitropism, suggesting that the gravitropic response of caulonemal filaments may require at least some gene products that are not required for the response of the multicellular gametophores. One class of mutant with impaired caulonemal gravitropism shows a pleiotropic alteration in leaf shape.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1986.tb01621.x
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