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Conservation of the expression of Dll , en , and wg in the eye‐antennal imaginal disc of stalk‐eyed flies by Imogen Hurley; Kevin Fowler; Andrew Pomiankowski; Hazel Smith is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Conservation of the expression of Dll , en , and wg in the eye‐antennal imaginal disc of stalk‐eyed flies about?

**SUMMARY** We studied the developmental basis of exaggerated eye span in two species of stalk‐eyed flies (__Cyrtodiopsis dalmanni__ and __Sphyracephala beccarri__). These flies have eyes laterally displaced at the end of eyestalks, and males have greatly exaggerated eye span, which they use as a sexual display. To investigate eye span development we have compared eye‐antennal disc morphology and the expression of three key regulator genes of __Drosophila__ head development, __Distal‐less__ (__Dll__)__, engrailed__ (__en__), and __wingless__ (__wg__), in the stalk‐eyed flies and __Drosophila__. We found great similarity in the basic division of the disc into anterior‐antennal and posterior‐eye portions and in the general patterning of __Dll, en__, and __wg__. Unexpectedly, our results showed that although the eye and antenna are adjacent in adult stalk‐eyed flies, their primordia are physically separated by the presence of an intervening region between the anterior and posterior portions of the disc. This region is absent from __Drosophila__ eye‐antennal discs. We chose two stalk‐eyed fly species that differed in the degree of eyestalk exaggeration but surprisingly we found no corr

Who reads Conservation of the expression of Dll , en , and wg in the eye‐antennal imaginal disc of stalk‐eyed flies?

Author

Imogen Hurley; Kevin Fowler; Andrew Pomiankowski; Hazel Smith

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1520-541X)

Published

2001

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)