Article
Noisy splicing, more than expression regulation, explains why some exons are subject to nonsense-mediated mRNA decay.
BMC biology - 14 May 2009
Zhang Zhenguo, Xin Dedong, Wang Ping, Zhou Li, Hu Landian, Kong Xiangyin, Hurst Laurence D
Abstract excerpt
BACKGROUND: Nonsense-mediated decay is a mechanism that degrades mRNAs with a premature termination codon. That some exons have premature termination codons at fixation is paradoxical: why make a transcript if it is only to be destroyed? One model supposes that splicing is inherently noisy and spurious transcripts are common. The evolution of a premature termination codon in a regularly made unwanted transcript...
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