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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Abacus 10 (1974), S. 0 
    ISSN: 1467-6281
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 450 (1985), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 350 (1980), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 396 (1982), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 12 (1965), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Antibodies to purified chloroplast preparations from Euglena gracilis var. bacillaris were prepared in rabbits. Success was achieved only after removal of lipids by forming acetone powders af chloroplasts. Ouchterlony agar-diffusion procedures showed that light-grown cells (containing chloroplasts) have at least 3 antigens reacting with these antibodies and not detectable in the dark-grown cells (which contained proplastids but no chloroplasts), The antigens uniquely associated with the chloroplast appear sequentially during the development of the proplastid into the chloroplast on light induction of the dark-grown cells. The first of these antigens appears at about 10 hr of development. Mutants of the parent strain showed varying numbers of antigens which were cor-related with their capacities to form plastid structures. Cells developing abnormal chloroplasts at low light intensities did not reveal any antigenic differences from cells developing normal chloroplasts. Various antigenic bands were also found which were common to all cell types studied. These can be ascribed either to non-chloroplast contaminants in the original preparation used to immunize the rabbits or to antigens which, although not in the chloroplasts, are cross-reacting with chloroplast materials. In the case of the dark-grown cells, it is likely that portions of the proplastids are cross-reacting with chloroplast materials.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 45 (1998), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Bacterial epibionts were observed on the surface of the marine sediment ciliate Geleia fossata. Rod-shaped bacteria, from 2-10 X103 per ciliate, were universally positioned in ciliated grooves, in apparent spatial association with dikinetids. SEM and TEM examination of the ciliates confirmed that a tight affiliation exists between the epibiotic bacteria and ciliate cortex infrastructures. These observations, as well as the distinct bacterial distribution pattern over ciliate surface, suggest that there is a close epibiont/host physiological integration. Epibiotic bacteria were also observed on the surfaces of other sediment ciliates from the genera Loxophyllum, Tracheloraphis, Geleia, Paraspathidium, and Cyclidium. These findings indicate that the bacterial/protozoa associations are widespread in the marine benthic environment. The potential benefits for both epibionts and their hosts are discussed.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 10 (1963), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Inhibition analyses and reversal studies were made on approximately 300 compounds with the B12-dependent Euglena gracilis. Examples of competitive B12 antagonism were found among varied structures, including purines—notably 6-mercaptopurine—pteridines, and nicotinamides. Such compounds bear no structural analogy to the molecule of vitamin B12 and are designated simple B12 antimetabolites, in contrast to the general concept of antimetabolites, which implies close structural analogy between antimetabolite and metabolite. These studies suggest that such simple antimetabolites may act indirectly by interfering with cofactors closely concerned with the utilization of B12, presuming that such cofactors contain purine, pteridine or nicotinamide moieties.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 50 (2003), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . We observed marine benthic interstitial ciliates Geleia sp. and Tracheloraphis sp. inhabiting the water column of a chemically stratified salt pond. This habitat is uncharacteristic for interstitial ciliates, yet they displayed active and abundant planktonic populations (up to 800 and 250 cells/liter, respectively) and a well-defined pattern of vertical distribution. Completely absent from the oxygenated epilimnion, they first appeared at the oxic/anoxic interface and were present throughout the anoxic hypolimnion. The data could not be explained by a passive removal (e.g. by currents) of these ciliates from their conventional habitat (soft sediments) to water column. The results suggest that 1) these ciliates favored an anoxic environment, and 2) they switched to a planktonic lifestyle as appropriate conditions (seasonal anoxia) developed in the water column. This sharply contrasts the classic view of these ciliates as specifically benthic and aerobic (albeit microaerophilic) organisms. We hypothesize that Geleia sp. and Tracheloraphis sp. can readily grow in either water column or benthos, but are typically found in sediments simply because they contain their preferred (anoxic) niche.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 14 (1967), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. The cytotoxicity of 97 antioxidants of various structural types was determined for Tetrahymena pyriformis grown in a peptone medium. Cytotoxicity fo Tetrahymena, generally, was positively associated with acute oral tomicoiciity to rats but not with antioxidant pdency as measured by the Tetrahymena photodynamic assay for antioxidants. Some commonly used hindered-phenol, lipidsoluble anttioxidants, e.g., 2,6-di-tert.-butyl-P-cresol (BHT), had low toxicity (to Tetrahymena but poor antioxidant activity by the photodynamic test. Nmdihydroguahetic acid, with low toxicity to the rat and high Coxicity (to Tetrahymena, had very high activity in the photodynamic test.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Real estate economics 7 (1979), S. 0 
    ISSN: 1540-6229
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This model analyzes fiscal year changes and shifts in local government's real property tax base. The three variables quantified by this analysis are net new development, change in assessment-market price ratio and appreciation. The model's results provide useful analytical data to taxpayers and policy makers. These data can be used to help determine policy actions relative to (1) the amount and type of development and its impact on the future fiscal position of the respective jurisdiction; (2) the equity of the various property classes' assessment-sales price ratios; and (3) possibly altering the rate of appreciation among the various classes. The model might also be used on a sub-area basis to help determine prospering and declining areas, and to help forecast the property tax base and revenue.
    Type of Medium: Electronic Resource
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