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  • 1
    Electronic Resource
    Electronic Resource
    Variation in genome organization of the plant pathogenic fungus Colletotrichum lindemuthianum (1998)
    Springer
    Current genetics 33 (1998), S. 291-298 
    Details
    ISSN: 1432-0983
    Keywords: Key wordsColletotrichum lindemuthianum ; Genome plasticity ; Chromosome ; Telomere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The genome structure of Colletotrichum lindemuthianum in a set of diverse isolates was investigated using a combination of physical and molecular approaches. Flow cytometric measurement of genome size revealed significant variation between strains, with the smallest genome representing 59% of the largest. Southern-blot profiles of a cloned fungal telomere revealed a total chromosome number varying from 9 to 12. Chromosome separations using pulsed-field gel electrophoresis (PFGE) showed that these chromosomes belong to two distinct size classes: a variable number of small (〈 2.5 Mb) polymorphic chromosomes and a set of unresolved chromosomes larger than 7 Mb. Two dispersed repeat elements were shown to cluster on distinct polymorphic minichromosomes. Single-copy flanking sequences from these repeat-containing clones specifically marked distinct small chromosomes. These markers were absent in some strains, indicating that part of the observed variability in genome organization may be explained by the presence or absence, in a given strain, of dispensable genomic regions and/or chromosomes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002940050339
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Metastatic secretory breast cancer. Non-responsiveness to chemotherapy: Case report and review of the literature (2000)
    Springer
    Annals of oncology 11 (2000), S. 1343-1347 
    Details
    ISSN: 1569-8041
    Keywords: chemotherapy ; Her2/neu ; indolent ; malignant ; palliative care ; secretory breast cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Secretory carcinoma of the breast is a rare and indolent tumour originallydescribed in children but occurring equally in the adult population. Theprincipal management problems following primary surgical treatment are localrecurrence and axillary lymph node metastases. Distant metastases areextremely rare. We present the case of a 27-year-old woman with pulmonary metastases froma secretory breast cancer treated by mastectomy and axillary lymph nodedissection 12 years previously. There was no response to chemotherapy; however, the patient remained aliveand active two years from presentation with metastatic disease and one yearfrom cessation of all cytotoxic chemotherapy. She eventually died ofrespiratory failure two and a half years after presentation. To our knowledge, this is only the fourth reported case of distantmetastases from secretory breast cancer and the second reported case in whichcurrent active chemotherapy has been used. We review the literature anddiscuss the apparent chemoresistance of this tumour including the lack ofmembrane staining for Her2/neu. In the absence of any proven effective chemotherapy we believe that symptomcontrol becomes the focus of management and offers patients with metastaticsecretory breast cancer the greatest chance of a functional and good qualityexistence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008387800525
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    Paper (German National Licenses)
    Fulltext
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