A gene desert required for regulatory control of pleiotropic Shox2 expression and embryonic survival.

ABSTRACT: Approximately a quarter of the human genome consists of gene deserts, large regions devoid of genes often located adjacent to developmental genes and thought to contribute to their regulation. However, defining the regulatory functions embedded within these deserts is challenging due to their large size. Here, we explore the cis-regulatory architecture of a gene desert flanking the Shox2 gene, which encodes a transcription factor indispensable for proximal limb, craniofacial, and cardiac pacemaker development. We identify the gene desert as a regulatory hub containing more than 15 distinct enhancers recapitulating anatomical subdomains of Shox2 expression. Ablation of the gene desert leads to embryonic lethality due to Shox2 depletion in the cardiac sinus venosus, caused in part by the los

SUBMITTER: Abassah-Oppong S 

PROVIDER: S-EPMC11467299 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature