Transcription and RNA processing can generate many variant mRNAs (isoforms) from a given genomic locus. The more we learn about RNA processing the more we realize how complex it can be. Examining the expression profiles of individual exons, we observed that specific exons were differentially expressed across a large number of genes in mice. We found that each isoform or exon is independently expressed compared to other exons from the same gene and regulated separately in trans. Each trans locus was identified by mapping using linkage analysis in a large mouse recombinant inbred strain set. We present evidence for a limited number of these master regulatory loci in the retina. One major locus controls about half the expression of the individual exons and resides on Chromosome 4, between 133 and 136 Mb.
CITATION STYLE
Wang, J., Struebing, F. L., Ferdous, S., Donaldson, K., Boatright, J. H., Geisert, E. E., & Nickerson, J. M. (2018). Differential exon expression in a large family of retinal genes is regulated by a single trans locus. In Advances in Experimental Medicine and Biology (Vol. 1074, pp. 413–420). Springer New York LLC. https://doi.org/10.1007/978-3-319-75402-4_51
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