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Abstract:

In insects, some developmentally related traits are negatively correlated. Here, we mapped Quantitative Trait Loci (QTL) for traits of eye size and head capsule, in an intercontinental set of recombinant inbred lines (RILs) of Drosophila melanogaster. Composite interval mapping identified QTL on all major chromosomes. Two negatively correlated traits (size of eyes and between-eyes distance) were influenced by one QTL that appeared to be antagonistic between the traits (QTL cytological range is 25F5-30A6), consistent with a negative genetic correlation between these traits of the head capsule. Comparisons of QTL across traits indicated a nonrandom distribution over the genome, with a considerable overlap between some QTL across traits. Developmentally-related traits were influenced by QTL in a pattern that is consistent both with 1) the sign of the genetic correlation between the traits and 2) a constraint in the micro-evolutionary differentiation in the traits. © 2017 The Authors. Published by Oxford University Press on behalf of Entomological Society of America.

Registro:

Documento: Artículo
Título:Quantitative trait loci and antagonistic associations for two developmentally related traits in the drosophila head
Autor:Norry, F.M.; Gomez, F.H.
Filiación:Departamento de Ecologia, Genetica y Evolucion, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, IEGEBA (CONICET-UBA), Buenos Aires, C-1428-EGA, Argentina
Palabras clave:Developmental constraint; Morphological trait; Negative genetic correlation; Phenotypic differentiation; Quantitative Trait Loci; anatomy and histology; animal; compound eye; Drosophila melanogaster; genetics; growth, development and aging; head; quantitative trait locus; Animals; Compound Eye, Arthropod; Drosophila melanogaster; Head; Quantitative Trait Loci
Año:2017
Volumen:17
Número:1
DOI: http://dx.doi.org/10.1093/jisesa/iew115
Título revista:Journal of Insect Science
Título revista abreviado:J. Insect Sci.
ISSN:15362442
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15362442_v17_n1_p_Norry

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Citas:

---------- APA ----------
Norry, F.M. & Gomez, F.H. (2017) . Quantitative trait loci and antagonistic associations for two developmentally related traits in the drosophila head. Journal of Insect Science, 17(1).
http://dx.doi.org/10.1093/jisesa/iew115
---------- CHICAGO ----------
Norry, F.M., Gomez, F.H. "Quantitative trait loci and antagonistic associations for two developmentally related traits in the drosophila head" . Journal of Insect Science 17, no. 1 (2017).
http://dx.doi.org/10.1093/jisesa/iew115
---------- MLA ----------
Norry, F.M., Gomez, F.H. "Quantitative trait loci and antagonistic associations for two developmentally related traits in the drosophila head" . Journal of Insect Science, vol. 17, no. 1, 2017.
http://dx.doi.org/10.1093/jisesa/iew115
---------- VANCOUVER ----------
Norry, F.M., Gomez, F.H. Quantitative trait loci and antagonistic associations for two developmentally related traits in the drosophila head. J. Insect Sci. 2017;17(1).
http://dx.doi.org/10.1093/jisesa/iew115