Dataset Information


The genomic distribution of sex-biased genes in Drosophila serrata: X-chromosome demasculanisation, feminisation, and hyper-expression in both sexes

ABSTRACT: Data from whole-body, head, thorax, abdomen, ovaries, testes and accessory glands was used to assess possible causes of a non-random distribution of sex-biased genes (sexually dimorphic expression). All samples were derived from virgin adult flies. We measured gene expression of male and female Drosophila serrata from 43 lines (whole-body) and multiple tissues sampled from outbred laboratory stock. All flies were originally samples from Brisbane, Queensland, Australia. Data from two replicates for each sex/line are presented, plus 3-5 replicates per sex/tissue. 24 adult whole-body samples were not used in analyses due to poor quality, giving a total of 176 arrays.

ORGANISM(S): Drosophila serrata  

SUBMITTER: Stephen Chenoweth   Stephen F Chenoweth  Scott L Allen  Russell Bonduriansky 

PROVIDER: E-GEOD-45801 | ArrayExpress | 2013-11-05



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The genomic distribution of sex-biased genes in drosophila serrata: X chromosome demasculinization, feminization, and hyperexpression in both sexes.

Allen Scott L SL   Bonduriansky Russell R   Chenoweth Stephen F SF  

Genome biology and evolution 20130101 10

The chromosomal distribution of genes with sex-biased expression is often nonrandom, and in species with XY sex chromosome systems, it is common to observe a deficit of X-linked male-biased genes and an excess of X-linked female-biased genes. One explanation for this pattern is that sex-specific selection has shaped the gene content of the X. Alternatively, the deficit of male-biased and excess of female-biased genes could be an artifact of differences between the sexes in the global expression  ...[more]

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