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Comment
. 2006 Jul 28;126(2):248-50.
doi: 10.1016/j.cell.2006.07.008.

Blurring cis and trans in gene regulation

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Blurring cis and trans in gene regulation

Fabio Savarese et al. Cell. .
Free article

Abstract

In this issue of Cell, Axel and colleagues (Lomvardas et al., 2006) report that a single enhancer of an odorant receptor (OR) gene cluster interacts with multiple OR gene promoters on different chromosomes. This study suggests a mechanism that allows olfactory sensory neurons to choose randomly and express only one out of more than 1000 OR genes.

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