Unknown,Transcriptomics,Genomics,Proteomics

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RNA-seq of an adult Porites rus colony derived from Indonesia

ABSTRACT: An adult P. rus colony was imported from Indonesia following the CITES protocols (Permit number 14846/IV/SATS-LN/2007) and kept in the Animal Facilities of the Justus Liebig University, Giessen. The colony was maintained in a circulating artificial seawater system at approximately 26 °C with 20-40 µmol photons m-2s-1 (T5 light) of photosynthetically active radiation on a 10:14 h light-dark cycle. A fragment of approx. 9 cm2 was separated from the colony and used as a source of tissue for hologenomic DNA/RNA isolation. Tissue was removed by scraping the fragment´s surface with a sterilized razor blade.

INSTRUMENT(S): Illumina HiSeq 1500

ORGANISM(S): Porites rus

SUBMITTER: Daniel Wibberg

PROVIDER: E-MTAB-6535 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:Transcript abundance was measured in whole-body virgin male Drosophila serrata from 41 inbred lines that had diverged through 27 generations of mutation accumulation that were sexually selected Sexual selection is predicted to have widespread effects on the genetic variation generated by new mutations as a consequence of the genic capture of condition by male sexual traits. We manipulated the opportunity for sexual selection on males during 27 generations of mutation accumulation in inbred lines of Drosophila serrata, and used a microarray platform to investigate the effect of sexual selection on the expression of 2685 genes, representing a broad coverage of biological function. Sexual selection had little effect on mean gene expression levels, with only 4 genes diverging significantly at a false discovery rate of 5% . In contrast, sexual selection impacted on both the magnitude and nature of mutational variance accumulating in these genes. The magnitude of mutational variance increased under sexual selection by an average of 29%. Mutational variance was less commonly generated by extreme phenotypes less commonly under sexual selection. Furthermore, analysis of random sets of five genes revealed that the mutational variance that accumulated under sexual selection was less pleiotropic in nature than that found in the absence of sexual selection. The generation of greater mutational variance without a general concomitant change in mean expression under sexual selection suggested that gene expression traits were be under apparent rather than direct sexual selection. We discuss two main explanations for the broad-based increase in mutational variance under sexual selection that both require extensive pleiotropy between traits affecting male mating success, standard metric traits represented here by gene expression traits, and general fitness. We measured gene expression of male Drosophila serrata from 41 mutation accumulation lines (whole-body) that were sexually selected. Data from two replicates for each line are presented.

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RNA-seq of an adult Porites rus colony derived from Indonesia

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