Hox gene


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Hox gene

(hŏks)
n.
Any of a group of homeobox genes that exist as clusters in animals, especially in vertebrates, and determine the identity and locations of body parts along the anterior-posterior body axis in a developing fetus or larva.
References in periodicals archive ?
Although Hox genes may function upstream of Pitxl, Six1 and Nkx3-1 after Gen treatment, the converse may also be true.
In the embryo's first moments, the Hox genes are dormant, packaged like a spool of wound yarn on the DNA.
Crustacean appendage evolution associated with changes in Hox gene expression.
Hox genes, then, allow for context-sensitive operations.
Only a few Hox genes have been found, one to two anterior genes, one to two central class genes, and a posterior class gene (Cook et al., 2004; Baguna et al., 2008b; Hejnol and Martindale, 2008).
Davidson et al., (1995) proposed that recruitment of Hox genes to pattern regional specification along the anterior-posterior axis was an innovation that accompanied evolution of bilaterians.
Leckman of Yale University School of Medicine calls the new finding about the Hoxb8 gene "very exciting." Leckman's group is currently investigating possible effects of other Hox genes on OCD.
Other recent work has shown that Hox gene expression begins as early as stage L2 in the putative growth zone (Irvine, 1998; Irvine and Martindale, 1999b; Kevin J.
Conserved anterior boundaries of Hox gene expression in the central nervous system of the leech Helobdella.
Reichert, "Functional equivalence of Hox gene products in the specification of the tritocerebrum during embryonic brain development of Drosophila," Development, vol.