Hocine Rekaik

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Publications associées (4)

Comments on the Hox timer and related issues

Denis Duboule, Hocine Rekaik

In particular, this sequence is found in the 39 members of the amniote Hox gene family, a series of genes activated in mid-gastrulation and involved in organizing morphologies along the extending anterior to posterior (AP) body axis. Over the past 30 years ...

2025

A CTCF-dependent mechanism underlies the Hox timer relation to a segmented body plan

Denis Duboule, Hocine Rekaik

During gastrulation, Hox genes are activated in a timesequence that follows the order of the genes along their clusters. This property, which is observed in all animals that develop following a progressive rostral-to-caudal morphogenesis, is associated wit ...

Current Biology Ltd2024

CTCF-dependent insulation of Hoxb13 and the heterochronic control of tail length

Denis Duboule, Célia Corinne Renée Bochaton, Fabrice Daniel Darbellay, Lucille Delisle, Hocine Rekaik, Alexandre Gauthier Aurèle Mayran, Pierre Osteil

Mammalian tail length is controlled by several genetic determinants, among which are Hox13 genes, whose function is to terminate the body axis. Accordingly, the precise timing in the transcriptional activation of these genes may impact upon body length. Un ...

National Academy of Sciences2024

Sequential and directional insulation by conserved CTCF sites underlies the Hox timer in stembryos

Denis Duboule, Célia Corinne Renée Bochaton, Lucille Delisle, Hocine Rekaik, Aurélie Hintermann, Alexandre Gauthier Aurèle Mayran

Temporal activation of Hox genes in mouse pseudo-embryos in vitro initiates at the anterior part of the cluster and is accompanied by asymmetric loading of cohesin. Posterior CTCF sites then successively act as transient insulators, regulating the timed tr ...

NATURE PORTFOLIO2023

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