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  • Secondary rRNA structure  (1)
  • treatment  (1)
  • 1
    ISSN: 1432-0983
    Keywords: Ribosomal RNA sequence ; Candida albicans ; Secondary rRNA structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A rDNA cistron of Candida albicans strain WO-1 was cloned and the ITS1, ITS2, 5.8 s rDNA and 25 s rDNA coding regions sequenced in their entirety. These sequences were compared to those of three related yeast species (Saccharomyces cerevisiae, Saccharomyces carlsbergensis, and Thermomyces lanuginosus), and the 5.8 s rDNA was compared to seven additional 5.8 s rDNAs from organisms ranging in complexity from D. discoideum to H. sapiens. The C. albicans ITS regions are shorter than those of most other eukaryotes. The 25 s and 5.8 s rDNA sequences were folded into a secondary structure model based on comparative methods. In a comparison of regional similarities between the large subunit rDNAs of C. albicans, the three related yeasts and other eukaryotes, it is demonstrated that the additional sequences not present in the E. coli 23 s rDNA are more variable than the regions present in both prokaryotes and eukaryotes.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7225
    Keywords: breast cancer ; colon cancer ; lung cancer ; neoplasm ; prostate cancer ; surveillance ; treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: At a time when the population is aging and medical practices are rapidly changing, ongoing surveillance of surgical treatments for cancer is valuable for health services planning. Methods: We used data from the National Hospital Discharge Survey for patients with discharge diagnoses of lung, prostate, female breast, and colorectal cancer during 1988–95 to estimate population-based rates and numbers of inpatient surgical procedures. Results: In 1988–91, rates of lobectomy for lung cancer were significantly higher in males than females. By 1994–95, the male/female differences had largely disappeared due to increasing trends among females and decreasing trends among males. During 1988–95, surgeries on the large intestine for colorectal cancer, including right hemicolectomy and sigmoidectomy, decreased significantly, as did abdominoperineal resections of the rectum. Anterior resections of the rectum increased significantly. Radical prostatectomies for prostate cancer increased from 34,000 in 1988–89 to 104,000 in 1992–93 and then decreased to 87,000 in 1994–95; rates followed a similar pattern. Finally, the number and rates of inpatient mastectomies for female breast cancer decreased over the study period (from 219,000 to 180,000 and from 78.8 to 61.5 per 100,000, respectively). Conclusion: These trends in inpatient surgeries for the major cancers in the US probably reflect changes in disease occurrence and modified treatment recommendations.
    Type of Medium: Electronic Resource
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