title: A novel eye morphology induced by a P element in somatic tissue of Drosophila melanogaster.
abstract: We found a specific eye morphology designated as Square, which is induced when some Drosophila melanogaster strains harboring P elements are crossed with the delta 2-3 strain carrying a modified P element, P[ry+, delta 2-3], which produces transposase in somatic tissue. This phenotype was dominant and also induced in the reciprocal crosses. Square was induced when the delta 2-3 strain was crossed with Q and M' strains such as the snw (M) strain carrying three small P elements but not with P strains. Inheritance of Square was also tested and its phenotype was not transmitted to the next generation. These results suggest that Square is caused by the transposition of P elements in somatic cells.
authors.affiliation: Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan.
authors.forename: E
authors.initials: E
authors.lastname: Nitasaka
authors.forename: T
authors.initials: T
authors.lastname: Yamazaki
mesh_terms: D000818:Animals; D002874:Chromosome Mapping; D003433:Crosses, Genetic; D004251:DNA Transposable Elements / Q000235:genetics*; D004331:Drosophila melanogaster / Q000235:genetics* / Q000254:growth & development; D005123:Eye / Q000254:growth & development; D005260:Female; D005786:Gene Expression Regulation; D005808:Genes, Recessive; D008297:Male; D008855:Microscopy, Electron, Scanning; D009030:Mosaicism; D013696:Temperature
chemical_list: D004251:DNA Transposable Elements