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  • 1
    Electronic Resource
    Electronic Resource
    RNA structure and the regulation of gene expression (1996)
    Springer
    Plant molecular biology 32 (1996), S. 89-106 
    Details
    ISSN: 1573-5028
    Keywords: RNA processing ; mRNA stability ; translational efficiency ; structural motifs ; metastable structures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract RNA secondary and tertiary structure is involved in post-transcriptional regulation of gene expression either by exposing specific sequences or throught the formation of specific structural motifs. An overview of RNA secondary and tertiary structures known from biophysical studies is followed by a review of examples of the elements of RNA processing, mRNA stability and translation of the messenger. These structural elements comprise sense-antisense double-stranded RNA, hairpin and stem-loop structures, and more complex structures such as bifurcations, pseudoknots and triple-helical elements. Metastable structures formed during RNA folding pathway are also discussed. The examples presented are mostly chosen from plant systems, plant viruses, and viroids. Examples from bacteria or fungi are discussed only when unique regulatory properties of RNA structures have been elucidated in these systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039379
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  • 2
    Electronic Resource
    Electronic Resource
    Viroids: A Class of Subviral Pathogens (1980)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 19 (1980), S. 231-243 
    Details
    ISSN: 0570-0833
    Keywords: Viroids ; Pathogens ; Nucleic acids ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Infectious RNA molecules lacking a protein coat have recently been shown to be the cause of several diseases in higher plants. These molecules, termed viroids, have been characterized as circular chains composed of about 360 nucleotide residues. They therefore comprise a class of infectious pathogens even smaller than viruses or bacteriophages. As a result of work on viroids it is now possible for the first time to give a complete description of the structure of a eukaryotic pathogen. Viroids possess structural and dynamic properties which have not as yet been observed with other nucleic acids. This article summarizes and discusses the results of predominantly biochemical and physicochemical studies on viroids.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.198002313
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