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PMID: 1946441 Published · ppublish English Comparative Study Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Evolution of gene position: chromosomal arrangement and sequence comparison of the Drosophila melanogaster and Drosophila virilis sina and Rh4 genes.

Neufeld TP, Carthew RW, Rubin GM

Abstract

The seven in absentia (sina) gene of Drosophila encodes a nuclear protein required for normal eye development. In Drosophila melanogaster, the sina gene is located within an intron of the Rh4 opsin gene. We examine here the nucleotide sequences and chromosomal arrangements of these genes in Drosophila virilis. An interspecies comparison between D. melanogaster and D. virilis reveals that the protein-coding sequences of the sina and Rh4 genes are highly conserved, but the relative chromosomal position and structural arrangement of these genes differ between the two species. In particular, the sina and Rh4 genes are widely separated in D. virilis, and there is no intron in the Rh4 gene. Our results suggest that the Rh4 gene was translocated to another chromosomal location by a retrotransposition event.

Related Genes
MeSH Terms
Animals Base Sequence Biological Evolution Chromosome Mapping Cloning, Molecular DNA Probes Drosophila/genetics Drosophila melanogaster/genetics Genomic Library Molecular Sequence Data Nucleic Acid Hybridization Restriction Mapping Salivary Glands/physiology Sequence Homology, Nucleic Acid
Chemicals
DNA Probes
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Neufeld T P
Howard Hughes Medical Institute, University of California, Berkeley 94720.
Carthew R W
Rubin G M
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
Published
1991-11-15
Pages
10203-7
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC52896
Subset
IM
Databases
GENBANK
M77281, M77282, M80719, M80720, M80721, M80722, M80723, M80724, S66723, S66727
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