Abstract
A set of single nucleotide polymorphisms (SNP) was developed from the transcriptome of 10 individuals of the sea rose Pentapora fascialis (Cheilostomata) collected in Banyuls-sur-Mer Bay (NW Mediterranean sea). 53,042 putative SNPs were identified and mapped on a de novo assembled transcriptome. A selected set of 320 SNPs with highest coverage and uniquely mapped in the assembled transcriptome was tested using a MassARRAY System on 95 individuals sampled in natural rocks and artificial reefs distributed over a hundred kilometers in the NW Mediterranean (outisde Banyuls-sur-Mer Bay). A total of 177 SNPs were successfully genotyped and found to be polymorphic. Among these, 154 SNPs were in Hardy-Weinberg equilibrium over all samples, with significant linkage disequilibrium in only 21 pairs of SNPs. The newly developed loci will be a valuable tool for population genetics studies of this calcifying bryozoan species whose erect structure makes it an engineering species and a target for conservation plans.
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Data availability
The RNA seq data will be released publicly through National Center for Biotechnology Information portal in March 2024 (https://submit.ncbi.nlm.nih.gov).
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Acknowledgements
The authors gratefully acknowledge the helpful assistance during sampling of S. Blouet and the staff of the Aire Marine Protégée Agatoise. We also thank the scuba divers, JC Roca and B Hesse, for their technical assistance for field sampling in Banyuls sur Mer. We are grateful to the Bio2Mar core facility (http://bio2mar.obs-banyuls.fr) for providing access to instrumentation for RNA extractions. RNAseq was performed at the GeT-PlaGe core facility, INRAE Toulouse. SNP genotyping was performed at the Genome Transcriptome Facility of Bordeaux (grants from ANR-10-EQPX-16) with the help of Laure Dubois.
Funding
This work was funded by the Agence de l’Eau Rhône-Méditerranée-Corse under project ICONE - Impacts actuels et potentiels de la CONnectivité Ecologique ajoutée par les récifs artificiels sur la biodiversité fixée des substrats durs du Golfe du Lion (2017 7267 / 2017 7268 / 2018 0697, PI K. Guizien, AAP 2016).
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MP and KG designed the study. MM, AD, and EG, performed the sequencing and genotyping. MP analyzed the data. KG wrote the manuscript. All authors reviewed the manuscript.
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Padrón, M., Milhes, M., Massot, M. et al. Development of a set of SNP markers for population genetics of the sea rose, Pentapora fascialis. Conservation Genet Resour (2024). https://doi.org/10.1007/s12686-024-01348-4
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DOI: https://doi.org/10.1007/s12686-024-01348-4