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  • Electronic Resource  (2)
  • 2000-2004  (1)
  • 1995-1999  (1)
  • Evolution  (1)
  • Genome sequencing  (1)
  • insulin-dependent diabetes mellitus  (1)
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  • Electronic Resource  (2)
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  • 2000-2004  (1)
  • 1995-1999  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Mutation in the mitochondrial tRNAleu at position 3243 and spontaneous abortions in Japanese women attending a clinic for diabetic pregnancies (1995)
    Springer
    Diabetologia 38 (1995), S. 809-815 
    Details
    ISSN: 1432-0428
    Keywords: Key words Mitochondrial DNA mutation ; insulin-dependent diabetes mellitus ; non-insulin-dependent diabetes mellitus ; gestational diabetes mellitus.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Mitochondrial DNA is exclusively maternally inherited. We recently found the prevalence of diabetic patients with an A to G transition at position 3243 of leucine tRNA (3243 base pair (bp) mutation) to be nearly 1 % in randomly selected Japanese subjects. Here, we report the higher prevalence of diabetic patients with the 3243 bp mutation in a specific Japanese population of women attending a diabetic pregnancy clinic. Of 102 patients with non-insulin-dependent diabetes mellitus 6 (5.9 %) were positive for the mutation, 1 (8.3 %) of 12 patients with gestational diabetes and 2 (5.9 %) out of 34 borderline diabetic patients. In contrast, none of 64 patients (0 %) with insulin-dependent diabetes mellitus had the 3243 bp mutation. Moreover, there was a difference in the prevalence of spontaneous abortions between patients with and without this mutation (27.3 vs 12.4 %). Among nine probands with the mutation, four had a history of one spontaneous abortion (p = 0.0518) and two had a history of two abortions (p = 0.0479). Two probands had a spontaneous abortion even while under strict diabetic metabolic control. The 3243 bp mutation thus may cause spontaneous abortion during pregnancy. [Diabetologia (1995) 38: 809–815]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001250050357
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  • 2
    Electronic Resource
    Electronic Resource
    The mitochondrial DNA of Dictyostelium discoideum: complete sequence, gene content and genome organization (2000)
    Springer
    Molecular genetics and genomics 263 (2000), S. 514-519 
    Details
    ISSN: 1617-4623
    Keywords: Key wordsDictyostelium discoideum ; Mitochondrial DNA ; Genome sequencing ; Genetic map ; Evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We present an overview of the gene content and organization of the mitochondrial genome of Dictyostelium discoideum. The mitochondria genome consists of 55,564 bp with an A + T content of 72.6%. The identified genes include those for two ribosomal RNAs (rnl and rns), 18 tRNAs, ten subunits of the NADH dehydrogenase complex (nad1, 2, 3, 4, 4L, 5, 6, 7, 9 and 11), apocytochrome b (cytb), three subunits of the cytochrome oxidase (cox1/2 and 3), four subunits of the ATP synthase complex (atp1, 6, 8 and 9), 15 ribosomal proteins, and five other ORFs, excluding intronic ORFs. Notable features of D. discoideum mtDNA include the following. (1) All genes are encoded on the same strand of the DNA and a universal genetic code is used. (2) The cox1 gene has no termination codon and is fused to the downstream cox2 gene. The 13 genes for ribosomal proteins and four ORF genes form a cluster 15.4 kb long with several gene overlaps. (3) The number of tRNAs encoded in the genome is not sufficient to support the synthesis of mitochondrial protein. (4) In total, five group I introns reside in rnl and cox1/2, and three of those in cox1/2 contain four free-standing ORFs. We compare the genome to other sequenced mitochondrial genomes, particularly that of Acanthamoeba castellanii.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008685
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    Paper (German National Licenses)
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