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  • Articles: DFG German National Licenses  (14)
  • 2000-2004  (6)
  • 1965-1969  (8)
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  • Articles: DFG German National Licenses  (14)
Material
Years
Year
  • 11
    Electronic Resource
    Electronic Resource
    DNA values in somatic tissues of Dermestes (Dermestidae: Coleoptera) (1969)
    Springer
    Chromosoma 28 (1969), S. 445-456 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The distribution of DNA values in some somatic tissues of seven Dermestes species has been investigated. In all cases the DNA values are distributed as members of a doubling series. Distributions are found to be similar between species and sexes for the same tissue but different between tissues in the same species. Species DNA values derived from somatic tissues agree with DNA values previously determined for spermatids. These data are discussed in relation to the range of species DNA values (2.7 x) and the process of differentiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00284260
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 12
    Electronic Resource
    Electronic Resource
    The effects of X-rays on the chromosomes of locust embryos (1967)
    Springer
    Chromosoma 20 (1967), S. 413-441 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The variation in yield and the dose-response for chromatid aberration types following x-irradiation of Schistocerca gregaria embryo cells is described. Marked variations in yield are found for all aberration types during the G2 and latter part of S stages of interphase. Only gaps appear to follow similar curves, other aberration types having unique patterns of response. The dose exponents for the various chromatid aberration types are similar to, but lower than, those reported for other organisms. Chromatid “breaks” appear to have a dose exponent greater than 1.0 — a fact which is in conformation with the exchange hypothesis. The chromosome radiosensitivity of this organism is similar to that reported for other organisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00394263
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    Paper (German National Licenses)
    Fulltext
  • 13
    Electronic Resource
    Electronic Resource
    The relationship between DNA value and chromosome volume in the coleopteran genus Dermestes (1969)
    Springer
    Chromosoma 27 (1969), S. 130-144 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract DNA values and chromosome volumes were determined for six species of the coleopteran genus Dermestes which have very similar karyotypes. Large differences in DNA value occur which give no indication of a geometric series. DNA value is approximately proportional to chromosome volume, indicating that the DNA differences lie in the chromosomes. Evidence from the variation in volume of the sex chromosomes, along with the DNA values, cannot be interpreted in terms of a chromosome model with a variable number of strands. DNA values are often at variance with the taxonomic grouping of species within the genus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326140
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    Paper (German National Licenses)
    Fulltext
  • 14
    Electronic Resource
    Electronic Resource
    Interactions between T cells and synovial fibroblasts (2000)
    Springer
    Modern rheumatology 10 (2000), S. 16-18 
    Details
    ISSN: 1439-7609
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract T lymphocytes, synovial macrophages, and synovial fibroblasts are the three most abundant cell populations in rheumatoid arthritis synovial tissue, and each is believed to play an important role in the pathogenesis of joint inflammation and destruction. While interactions between T cells and macrophages and between macrophages and fibroblasts have been carefully studied, less attention has been paid to potential interactions between T lymphocytes and synovial fibroblasts. In this review we consider available data which suggests that cell–cell contact between T lymphocytes and synovial fibroblasts may lead to activation of each cell type. This interaction is likely to be significant in the pathophysiology of rheumatoid arthritis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101650070033
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    Paper (German National Licenses)
    Fulltext
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