Recoding: Expansion of Decoding Rules Enriches Gene Expression
(Sprache: Englisch)
The genetic code is dynamic - it, or its readout, can be specifically changed by mRNA signals that modify the behavior of on-board ribosomes. Many viruses use recoding to maximize utilization of information in small genomes, and probably all organisms use...
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The genetic code is dynamic - it, or its readout, can be specifically changed by mRNA signals that modify the behavior of on-board ribosomes. Many viruses use recoding to maximize utilization of information in small genomes, and probably all organisms use recoding in at least some genes for expanding the regulatory repertoire. The volume will detail specific recoding examples to understand the mechanisms and the mRNA signals. It will continue to detail the biochemical and genetic approaches to identify and study the cellular factors involved in recoding. The signals in mRNA that dictate recoding often include complex folded structures of the RNA, which we are studying by a combination of microbiology, genetics, biochemical and NMR approaches.
Klappentext zu „Recoding: Expansion of Decoding Rules Enriches Gene Expression “
The literature on recoding is scattered, so this superb book ?lls a need by prov- ing up-to-date, comprehensive, authoritative reviews of the many kinds of recoding phenomena. Between 1961 and 1966 my colleagues and I deciphered the genetic code in Escherichia coli and showed that the genetic code is the same in E. coli, Xenopus laevis, and guinea pig tissues. These results showed that the code has been c- served during evolution and strongly suggested that the code appeared very early during biological evolution, that all forms of life on earth descended from a c- mon ancestor, and thus that all forms of life on this planet are related to one another. The problem of biological time was solved by encoding information in DNA and retrieving the information for each new generation, for it is easier to make a new organism than it is to repair an aging, malfunctioning one. Subsequently, small modi?cations of the standard genetic code were found in certain organisms and in mitochondria. Mitochondrial DNA only encodes about 10-13 proteins, so some modi?cations of the genetic code are tolerated that pr- ably would be lethal if applied to the thousands of kinds of proteins encoded by genomic DNA.
Inhaltsverzeichnis zu „Recoding: Expansion of Decoding Rules Enriches Gene Expression “
Redefinition.- Selenocysteine Biosynthesis, Selenoproteins, and Selenoproteomes.- Reprogramming the Ribosome for Selenoprotein Expression: RNA Elements and Protein Factors.- Translation of UAG as Pyrrolysine.- Specification of Standard Amino Acids by Stop Codons.- Ribosome "Skipping": "Stop-Carry On" or "StopGo" Translation.- Recoding Therapies for Genetic Diseases.- Frameshifting - Redirection of Linear Readout.- Pseudoknot-Dependent Programmed -1 Ribosomal Frameshifting: Structures, Mechanisms and Models.- Programmed -1 Ribosomal Frameshift in the Human Immunodeficiency Virus of Type 1.- Ribosomal Frameshifting in Decoding Plant Viral RNAs.- Programmed Frameshifting in Budding Yeast.- Recoding in Bacteriophages.- Programmed Ribosomal ?1 Frameshifting as a Tradition: The Bacterial Transposable Elements of the IS3 Family.- Autoregulatory Frameshifting in Antizyme Gene Expression Governs Polyamine Levels from Yeast to Mammals.- Sequences Promoting Recoding Are Singular Genomic Elements.- Mutants That Affect Recoding.- The E Site and Its Importance for Improving Accuracy and Preventing Frameshifts.- Discontiguity.- Translational Bypassing - Peptidyl-tRNA Re-pairing at Non-overlapping Sites.- trans-Translation.- Transcription Slippage.- Transcript Slippage and Recoding.- Computational Resources for Studying Recoding.
Bibliographische Angaben
- 2012, XX, 466 Seiten, 63 farbige Abbildungen, Masse: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Herausgegeben: John F. Atkins, Raymond F. Gesteland
- Verlag: Springer, Berlin
- ISBN-10: 146142531X
- ISBN-13: 9781461425311
Sprache:
Englisch
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