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Citation
Negre, B., Ruiz, A. (2007). HOM-C evolution in Drosophila: is there a need for Hox gene clustering?  Trends Genet. 23(2): 55--59.
FlyBase ID
FBrf0194435
Publication Type
Review
Abstract

The conservation of Homeotic (Hox) gene clustering and colinearity in many metazoans indicates that functional constraints operate on this genome organization. However, several studies have questioned its relevance in Drosophila. Here, we analyse the genomic organization of Hox and Hox-derived genes in 13 fruitfly species and the mosquito Anopheles gambiae. We found that at least seven different Homeotic complex (HOM-C) arrangements exist among Drosophila species, produced by three major splits, five microinversions and six gene transpositions. This dynamism contrasts with the stable organization of the complex in many other taxa. Although there is no evidence of an absolute requirement for Hox gene clustering in Drosophila, we found that strong functional constraints act on the individual genes.

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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    Trends Genet.
    Title
    Trends in Genetics
    Publication Year
    1985-
    ISBN/ISSN
    0168-9525
    Data From Reference