In Vitro Characterization Of The Splicing Of The Terminal Intron Of The Mitochondrial Apocytochrome B Gene Of Saccharomyces Cerevisiae PDF Download
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Author | : Stephanus Partono |
Publisher | : |
Total Pages | : 288 |
Release | : 1989 |
Genre | : Introns |
ISBN | : |
Download In Vitro Characterization of the Splicing of the Terminal Intron of the Mitochondrial Apocytochrome B Gene of Saccharomyces Cerevisiae Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1860 |
Release | : 1997 |
Genre | : Medicine |
ISBN | : |
Download Cumulated Index Medicus Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 774 |
Release | : 1990 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 2470 |
Release | : 1991 |
Genre | : Chemical abstracts |
ISBN | : |
Download Chemical Abstracts Book in PDF, ePub and Kindle
Author | : Rachel Zepeda Wolf |
Publisher | : |
Total Pages | : 594 |
Release | : 2015 |
Genre | : |
ISBN | : |
Download Nuclear-encoded Splicing Factors for Yeast Mitochondrial Introns Book in PDF, ePub and Kindle
Hypothesized to be ancestors of eukaryotic spliceosomal introns, extant group II introns are found in bacteria, archaea, and in the mitochondria and chloroplast genomes of some eukaryotes. While some of these catalytic intron RNAs encode an intron-encoded maturase to assist in their splicing, not all do, eliciting the question of how these introns are spliced out. Two such introns are the mitochondrial introns aI5 [gamma] and bI1 of Saccharomyces cerevisiae. Previous in vitro studies on the self-splicing activity of these introns revealed requirements for non-physiologically high salt concentration and temperature for catalytic activity, suggesting a dependence upon proteins in vivo. With most mitochondrial proteins known to be encoded by the nucleus, it seems likely that some exist to assist, either directly or indirectly, in the correct splicing of these introns. Previous searches for such proteins relied on a combination of two genetic screens: looking for a mutant's inability to grow on the non-fermentable carbon source glycerol-(Gly− phenotype)- in the presence of a given intron, and a Gly+ phenotype in the intron's absence. In contrast, this study employs Northern hybridization to identify splicing defects in a series of mutants constructed by targeted gene deletion, allowing for identification of proteins required for splicing that would not have been otherwise detectable. In order to identify associated proteins, this method is complemented by Tandem Affinity Purification of Mss116, the DEAD-box RNA chaperone required for splicing of all the yeast mitochondrial introns. In addition to Mss116, special attention was given to the insertase Oxa1, found to be required for aI5 [gamma] and bI1splicing specifically; and to Mne1, found to be required for splicing group I intron aI5 [beta]. The results point to distinctly different auxiliary protein requirements for group I introns, group II introns that encode their own maturases, and group II introns that do not encode maturases. My findings are consistent with the possibility that the splicing of aI5 [gamma] and bI1, group II introns that do not encode maturases, is coordinated by multiple proteins comprising a splicing complex situated at the surface of the mitochondrial inner membrane in close association with the mitoribosomes.
Author | : National Academy of Sciences (U.S.) |
Publisher | : |
Total Pages | : 520 |
Release | : 1990 |
Genre | : Science |
ISBN | : |
Download Proceedings of the National Academy of Sciences of the United States of America Book in PDF, ePub and Kindle
The Proceedings of the National Academy of Sciences (PNAS) publishes research reports, commentaries, reviews, colloquium papers, and actions of the Academy. PNAS is a multidisciplinary journal that covers the biological, physical, and social sciences.
Author | : |
Publisher | : |
Total Pages | : 760 |
Release | : 1989 |
Genre | : Dissertation abstracts |
ISBN | : |
Download American Doctoral Dissertations Book in PDF, ePub and Kindle
Author | : Alexander Tzagoloff |
Publisher | : Springer Science & Business Media |
Total Pages | : 354 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 146133294X |
Download Mitochondria Book in PDF, ePub and Kindle
In writing this book, I found the choice of a suitable title to be a most vexing problem. Lehninger's excellent earlier monograph The Mitochondrion had already appropriated in the domain of library cards what appeared to be the most fitting description of the subject matter. Once the text was completed, however, it became obvious that pluralization was the simplest solution to this dilemma. Variations in the structure and function of this organelle and recent discoveries of the phylogenetic diversity in the organization and genetic con tent of its DNA all seemed to justify the idea that there are as many different mitochondria as there are mitochondriologists. Even though my initial intention was to provide advanced undergraduate and graduate students of cell biology with supplemental reading material on topics usually dealt with in a cursory manner by most standard texts, inevitably the scope was broadened to attract the interest of more seasoned readers who might be familiar with some but not other areas of mitochondrial studies. Con sistent with the original aim, literature citations have been kept to a minimum and are avoided in the main body of the text for purposes of readability.
Author | : P. Christen |
Publisher | : Springer |
Total Pages | : 175 |
Release | : 2013-12-21 |
Genre | : Science |
ISBN | : 364275189X |
Download EJB Reviews 1989 Book in PDF, ePub and Kindle
EJB Reviews 1989 offer the collection of all reviews published in the European Journal of Biochemistry in one handy volume. This series of review articles by leading scientists covers emerging and rapidly growing fields of research in fundamental as well as in applied areas of biochemistry, such as medicine, biotechnology, agriculture and nutrition. Novel methodological and technological approaches which stimulate biochemical research are also included. All authors review their field in a very critical, selective, evaluative manner, with emphasis on interdisciplinary aspects wherever possible.
Author | : |
Publisher | : |
Total Pages | : 626 |
Release | : 1997 |
Genre | : Nucleic acids |
ISBN | : |
Download Nucleic Acids Research Book in PDF, ePub and Kindle