منابع مشابه
Mechanism of miRNA-mediated repression of mRNA translation.
MicroRNAs regulate the expression of protein-coding genes in animals and plants. They function by binding to mRNA transcripts with complementary sequences and inhibit their expression. The level of sequence complementarity between the microRNA and mRNA transcript varies between animal and plant systems. Owing to this subtle difference, it was initially believed that animal and plant microRNAs a...
متن کاملMechanism of ribosome translation through mRNA secondary structures
A ribosome is a macromolecular machine that is responsible for translating the genetic codes in messenger RNA (mRNA) into polypeptide chains. It has been determined that besides translating through the single-stranded region, the ribosome can also translate through the duplex region of mRNA by unwinding the duplex. To understand the mechanism of ribosome translation through the duplex, several ...
متن کاملSensitivity of mRNA Translation
Using the dynamic mean-field approximation of the totally asymmetric simple exclusion process (TASEP), we investigate the effect of small changes in the initiation, elongation, and termination rates along the mRNA strand on the steady-state protein translation rate. We show that the sensitivity of mRNA translation is equal to the sensitivity of the maximal eigenvalue of a symmetric, nonnegative...
متن کاملRegulation of mRNA translation.
The control of mRNA translation plays an important role in regulating gene expression in diverse situations. Nutrients, especially amino acids, regulate translation to control the expression of specific proteins including transcriptional activators and ribosomal proteins. Sequence elements in the 5'- or 3'-untranslated regions of mRNAs can control their translation. Hormones such as insulin act...
متن کاملCytoplasmic mRNA turnover and ageing
Messenger RNA (mRNA) turnover that determines the lifetime of cytoplasmic mRNAs is a means to control gene expression under both normal and stress conditions, whereas its impact on ageing and age-related disorders has just become evident. Gene expression control is achieved at the level of the mRNA clearance as well as mRNA stability and accessibility to other molecules. All these processes are...
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ژورنال
عنوان ژورنال: The Arabidopsis Book
سال: 2015
ISSN: 1543-8120
DOI: 10.1199/tab.0176