9783642031021 - mirna regulation of the translational machinery (progress in molecular and subcellular biology, 50, band 50) (4 Ergebnisse)
Sprache: Englisch
Verlag: Springer, 2009
Serie: Buch 12 von 31 - Progress in Molecular and Subcellular Biology
- Hardcover
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Sprache: Englisch
Verlag: Springer Verlag, 2009
Serie: Buch 12 von 31 - Progress in Molecular and Subcellular Biology
- Hardcover
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Hardcover. Zustand: Brand New. 1st edition. 115 pages. 9.50x6.00x0.50 inches. In Stock.
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Sprache: Englisch
Verlag: Springer Berlin Heidelberg, 2009
Serie: Buch 12 von 31 - Progress in Molecular and Subcellular Biology
- Hardcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
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Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The silencing of gene expression by small interfering RNAs has been recognized for only a relatively short time, but this has transformed our understanding of both transcriptional and post-transcriptional gene regulatory mechanisms. Multiple pathways culmin…ate in formation of an RNA-induced silencing complex (RISC) containing a member of the Argonaute protein family bound to a 22-nt RNA strand that interacts with a target mRNA or gene through Watson-Crick base pairing. One consequence is mRNA-specific inhibition of protein synthesis. Evidence has been presented for diverse mechanisms, but there is not universal agreement in the field of how RISCs affect the translational machinery. The chapters collected in this volume represent contribution by leaders in the search to understand how miRNAs affect translation. They include chapters representing work in plants and Caenorhabditis elegans, the biological systems that originally led to the discovery of small interfering RNAs, but also include chapters on mammalian systems, with special emphasis on regulation of a key tumor suppressor and a protein that restricts human immunodeficiency virus 1 (HIV-1).
Sprache: Englisch
Verlag: Springer Spektrum, 2009
Serie: Buch 12 von 31 - Progress in Molecular and Subcellular Biology
- Hardcover
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Zustand: Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher | An odd and unexpected finding was reported by the laboratory of Richard Jorgensen in 1990: expression of extra copies of the gene encoding chalone synthase in petunias turned off the endogenous chalone synthase gene. An observation that appeared tota…lly unrelated was made by the laboratory of Victor Ambrose in 1993: a gene in Caenorhabditis elegans, lin-4, controlled the timing of larval development but did not encode a protein. Rather, it expressed two small RNAs that were complementary to the 3¿-untranslated region of the lin-14 gene in a region that had previously been shown to repress expression of the LIN-14 protein. From another quarter, David Baulcombe¿s laboratory showed in 1997 that plant viruses could induce sequen- specific gene silencing. Then in a landmark paper, Andrew Fire and Craig Mello showed in 1998 that double-stranded RNA (dsRNA) triggers a gene-silencing mechanism that they dubbed RNA interference (RNAi), for which discovery they were awarded the Nobel Prize in Physiology or Medicine in 2006. These diverse findings have triggered an explosion of research around the world in both plants and animals to discover the mechanisms and broader ramifications of RNAi. We now know that there are both exogenous pathways involving formation of siRNA when dsRNA is introduced and endogenous pathways involving miRNA, piwiRNA, and rasiRNAs. All pathways culminate in formation of an RNA-induced silencing complex (RISC) containing a member of the Argonaute protein family bound to a 22-nt RNA strand that interacts with a target mRNA or gene through Watson-Crick base pairing.
