GEPHE SUMMARY Print
Gephebase Gene
eve
Entry Status
Published
GepheID
GP00001986
Main curator
Courtier
PHENOTYPIC CHANGE
Trait Category
Trait State in Taxon A
Drosophila melanogaster
Trait State in Taxon B
Drosophila melanogaster - slower embryonic development - allele hb8delta
Ancestral State
Taxon A
Taxonomic Status
Taxon A
Common Name
fruit fly
Synonyms
Sophophora melanogaster; fruit fly; Drosophila melanogaster Meigen, 1830; Sophophora melanogaster (Meigen, 1830); Drosophila melangaster
Rank
species
Lineage
Show more ... Brachycera; Muscomorpha; Eremoneura; Cyclorrhapha; Schizophora; Acalyptratae; Ephydroidea; Drosophilidae; Drosophilinae; Drosophilini; Drosophila; Sophophora; melanogaster group; melanogaster subgroup
NCBI Taxonomy ID
is Taxon A an Infraspecies?
No
Taxon B
Common Name
fruit fly
Synonyms
Sophophora melanogaster; fruit fly; Drosophila melanogaster Meigen, 1830; Sophophora melanogaster (Meigen, 1830); Drosophila melangaster
Rank
species
Lineage
Show more ... Brachycera; Muscomorpha; Eremoneura; Cyclorrhapha; Schizophora; Acalyptratae; Ephydroidea; Drosophilidae; Drosophilinae; Drosophilini; Drosophila; Sophophora; melanogaster group; melanogaster subgroup
NCBI Taxonomy ID
is Taxon B an Infraspecies?
No
GENOTYPIC CHANGE
Generic Gene Name
eve
Synonyms
10.5; 10.9; 14.10; 20.35; CG2328; dm-eve; Dmel\CG2328; E(eve); Eve; EVE; eve2; even; F; l(2)46Ce; l(2)46CFg; l(2)46CFh; l(2)46CFj; l(2)46CFp; l(2)46Cg; V; VI
Sequence Similarities
Belongs to the even-skipped homeobox family.
GO - Cellular Component
UniProtKB
Drosophila melanogaster
GenebankID or UniProtKB
Presumptive Null
No
Molecular Type
Aberration Type
Deletion Size
10-99 bp
Molecular Details of the Mutation
72bp deletion that removes one of the hb protein-binding sites in the stripe 3+7 enhancer of eve. The deletion also removes half of a putative slp1 protein-binding site.
Experimental Evidence
Authors
Palsson A; Wesolowska N; Reynisdóttir S; Ludwig MZ; Kreitman M
Abstract
Changes in regulatory DNA contribute to phenotypic differences within and between taxa. Comparative studies show that many transcription factor binding sites (TFBS) are conserved between species whereas functional studies reveal that some mutations segregating within species alter TFBS function. Consistently, in this analysis of 13 regulatory elements in Drosophila melanogaster populations, single base and insertion/deletion polymorphism are rare in characterized regulatory elements. Experimentally defined TFBS are nearly devoid of segregating mutations and, as has been shown before, are quite conserved. For instance 8 of 11 Hunchback binding sites in the stripe 3+7 enhancer of even-skipped are conserved between D. melanogaster and Drosophila virilis. Oddly, we found a 72 bp deletion that removes one of these binding sites (Hb8), segregating within D. melanogaster. Furthermore, a 45 bp deletion polymorphism in the spacer between the stripe 3+7 and stripe 2 enhancers, removes another predicted Hunchback site. These two deletions are separated by ∼250 bp, sit on distinct haplotypes, and segregate at appreciable frequency. The Hb8Δ is at 5 to 35% frequency in the new world, but also shows cosmopolitan distribution. There is depletion of sequence variation on the Hb8Δ-carrying haplotype. Quantitative genetic tests indicate that Hb8Δ affects developmental time, but not viability of offspring. The Eve expression pattern differs between inbred lines, but the stripe 3 and 7 boundaries seem unaffected by Hb8Δ. The data reveal segregating variation in regulatory elements, which may reflect evolutionary turnover of characterized TFBS due to drift or co-evolution.
Additional References
RELATED GEPHE
Related Genes
No matches found.
Related Haplotypes
No matches found.
EXTERNAL LINKS
COMMENTS
This mutation appears to affect developmental time, but not viability of offspring. The evehb8Δ deletion polymorphism shows a cosmopolitan distribution. There is no significant relation between latitude and frequency of evehb8Δ in 13 samples from the east coast of North America. - http://flybase.org/reports/FBal0296117
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