Dataset Information

RNA-seq data from mature male gonads of marine mussels Mytilus edulis and M. galloprovincialis.

ABSTRACT: The mussels Mytilus edulis and Mytilus galloprovincialis are marine organisms with external fertilization able to hybridize where their distributions overlap allowing the study of reproductive isolation mechanisms in nature. We provide raw data of a transcriptomic analysis of mature male gonads from these two Mytilus spp. using NGS (Illumina) technology and a preliminary list of transcript that were functionally annotated showing species-specific differential expression. A shortlist including some of these genes and their corresponding proteins have been thoroughly analysed and discussed in Romero et al. (2018, Submitted for publication).

SUBMITTER: Diz AP

PROVIDER: S-EPMC6197779 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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RNA-seq data from mature male gonads of marine mussels Mytilus edulis and M. galloprovincialis.

Diz Angel P AP Romero Mónica R MR Pérez-Figueroa Andrés A Swanson Willie J WJ Skibinski David O F DOF

Data in brief 20181003

The mussels Mytilus edulis and Mytilus galloprovincialis are marine organisms with external fertilization able to hybridize where their distributions overlap allowing the study of reproductive isolation mechanisms in nature. We provide raw data of a transcriptomic analysis of mature male gonads from these two Mytilus spp. using NGS (Illumina) technology and a preliminary list of transcript that were functionally annotated showing species-specific differential expression. A s ...[more]

PMID: 30364736

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Project description:Transcriptional profiling of the mantle tissue across the four stages of male gonads development (winter peak) in a natural population of the marine mussel Mytilus galloprovincialis sampled in the Bizerta Lagoon, Tunisia, across November 2007 -March 2008. Background: Seasonal environmental changes may affect the physiology of Mytilus galloprovincialis (Lam.), an intertidal filter-feeder bivalve occurring commonly in Mediterranean and Atlantic coastal areas. We investigated seasonal variations in relative transcript abundance of the digestive gland and the mantle (gonads) of males and females. To identify gene expression trends, we used a medium-density cDNA microarray (1.7 K probes) in dual-color competitive hybridization analyses. Results: Hierarchical clustering of digestive gland microarray data showed two main branches, distinguishing profiles associated with the M-bM-^@M-^\hotM-bM-^@M-^] months (MayM-bM-^@M-^SAugust) from the other months. Genes involved in chitin metabolism, associated with mussel nutrition and digestion, showed higher expression during summer. Moreover, we found different gene expression patterns in the digestive glands of males and females during the four stages of mussel gonadal development. Microarray data from gonadal transcripts also displayed clear patterns during the different developmental phases with peak relative mRNA abundance at the ripe phase (stage III) for both sexes. Conclusion: These data showed a clear temporal pattern in gene expression profiles of mussels sampled over an annual cycle. Physiological response to thermal variation, food availability, and reproductive status across months may contribute to variation in gene expression. Mantle tissue from individual animals in different gonad maturation stages were analyzed in a complete loop design. Dual color competitive hybridizations (stage 4 vs stage 1, 2 vs 1, 3 vs 2, 4 vs 3) including label swap. Single individuals. Four biological replicates. One replicate per array.

Dataset Information

RNA-seq data from mature male gonads of marine mussels Mytilus edulis and M. galloprovincialis.

Publications

RNA-seq data from mature male gonads of marine mussels <i>Mytilus edulis</i> and <i>M. galloprovincialis</i>.

Similar Datasets

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