کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9126992 | 1569969 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
RNA maturation in mitochondria of S. cerevisiae and S. pombe
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
ژنتیک
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چکیده انگلیسی
Although the gene content is rather conserved, the genomes in mitochondria of yeasts vary dramatically in size [Clark-Walker, G.D., Evans, R.J., Hoeben, P., McArthur, C.R., 1985. Basis of diversity in yeast mitochondrial DNAs. In: Quagliariello, E.C., Palmieri, F., Saccone, C., Kroon, A.M. (Eds.). Achievements and Perspectives of Mitochondrial Research 2. Science Publishers, Amsterdam, pp. 71-78] and in the number of transcription units. Since the fidelity and processivity of the mitochondrial single-subunit phage-like RNA polymerase present in yeast mitochondria are certainly limited, one might speculate that the density of transcription initiation sites on the mitochondrial genomes is one of the factors influencing the genome size. In an effort to find common features among the apparent idiosyncrasies of Saccharomyces cerevisiae (with its extremely large mtDNA) and Schizosaccharomyces pombe (with its extremely small mitochondrial genome), the aim of this review is to compare recent data about transcription and generation of 5â² and 3â² ends of mature RNA transcripts in S. cerevisiae and in S. pombe. Both organisms are two attractive model systems enabling investigation of various aspects of mitochondrial genetics.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Gene - Volume 354, 18 July 2005, Pages 80-85
Journal: Gene - Volume 354, 18 July 2005, Pages 80-85
نویسندگان
Bernd Schäfer,