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Divergent decapentaplegic expression patterns in compound eye development and the evolution of insect metamorphosis

Friedrich, Markus and Benzer, Seymour (2000) Divergent decapentaplegic expression patterns in compound eye development and the evolution of insect metamorphosis. Journal of Experimental Zoology, 288 (1). pp. 39-55. ISSN 0022-104X. doi:10.1002/(SICI)1097-010X(20000415)288:1%3C39::AID-JEZ5%3E3.0.CO;2-T.

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In the fruit fly Drosophila, the patterning genes decapentaplegic and wingless contribute to the spatial control of retina development in an antagonistic manner. We examined the expression patterns of these genes in the developing visual system of the hemimetabolous grasshopper Schistocerca americana and the primitive holometabolous beetle species Tribolium castaneum. The pattern of wingless expression was strongly conserved as a pair of lateral domains at the anterior margins of both the developing retina and the developing optic lobes. The expression of decapentaplegic, on the other hand, is different. Unlike in Drosophila, no decapentaplegic expression was detected before the onset of photoreceptor differentiation in the retinal precursor tissue of either grasshopper or beetle. Moreover, the subsequent expression of decapentaplegic in the latter species was not concentrated in the moving front of retina differentiation, as in Drosophila, but observed in anterior and posterior regions. Our results indicate that Drosophila eye development contains elements of both ancestral and derived regulatory gene functions. The requirement for decapentaplegic as an antagonist of wingless during the early development of the Drosophila retina might have originated during the evolution of insect metamorphosis.

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Additional Information:© 2000 Wiley‐Liss, Inc. Received 30 June 1999; Accepted 8 November 1999. Grant sponsor: Deutsche Forschungsgemeinschaft; Grant sponsor: National Science Foundation; Grant number MCB-9408718; Grant sponsor: National Institutes of Health; Grant number: EY09278; Grant sponsor: James G. Boswell Foundation. We are grateful to Alexander Sokoloff for providing a Tribolium startup population; Gilles Laurent for providing grasshopper embryos; Ted Brummel, William Gelbart, Lisa Nagy, John Proctor and Michael Bastiani for supplying reagents; Viveca Sapin for technical assistance; and Ted Brummel, Bruce Hay, Kaushiki Menon, Kai Zinn, and two anonymous reviewers for helpful comments on the manuscript.
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Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
James G. Boswell FoundationUNSPECIFIED
Issue or Number:1
Record Number:CaltechAUTHORS:20190227-150621678
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Official Citation:Friedrich, M. and Benzer, S. (2000), Divergent decapentaplegic expression patterns in compound eye development and the evolution of insect metamorphosis. J. Exp. Zool., 288: 39-55. doi:10.1002/(SICI)1097-010X(20000415)288:1<39::AID-JEZ5>3.0.CO;2-T
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93314
Deposited By: Tony Diaz
Deposited On:27 Feb 2019 23:12
Last Modified:16 Nov 2021 16:56

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