NDLI: Conservation of upstream regulators of scute on the notum of cyclorraphous Diptera

Content Provider	Springer Nature Link
Author	Simpson, Pat Lewis, Morag Richardson, Joanna
Copyright Year	2006
Abstract	Bristles on the notum of many cyclorraphous flies are arranged into species-specific stereotyped patterns. Differences in the spatial expression of the proneural gene scute correlate with the positions of bristles in those species looked at so far. However, the examination of a number of genes encoding trans-regulatory factors, such as pannier, stripe, u-shaped, caupolican and wingless, indicates that they are expressed in conserved domains on the prospective notum. This suggests that the function of a trans-regulatory network of genes is relatively unchanged in derived Diptera, and that many differences are likely to be due to changes in cis-regulatory sequences of scute. In contrast, in Anopheles gambiae, a basal species with no stereotyped bristle pattern, the expression patterns of pannier and wingless are not conserved, and expression of AgASH, the Anopheles proneural gene, does not correlate in a similar manner with the bristle pattern. We discuss the possibility that independently acting cis-regulatory sequences at the scute locus may have arisen in the lineage giving rise to cyclorraphous flies.
Starting Page	363
Ending Page	371
Page Count	9
File Format	PDF
ISSN	0949944X
Journal	Development Genes and Evolution
Volume Number	216
Issue Number	7-8
e-ISSN	1432041X
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-05-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Drosophila Calliphora vicina Anopheles gambiae Achaete–scute Bristle pattern Developmental Biology Cell Biology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Genetics Developmental Biology

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