Percorrer por autor "Paone, Carlotta"
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- Gene expression response of Chondrilla nucula to a simulated marine heat wave eventPublication . Paone, Carlotta; Castilho, Rita; Kaitetzidou, ElisavetSessile marine organisms are particularly susceptible to stress conditions due to their reduced mobility. The identification of early biomarkers in response to climate change scenarios as indicators for stress thresholds can provide fundamental understanding in prevention of necrosis or symbiotic disruptions between and within species. Porifera have shown incredible evolutionary adaptability, and are integrated into diverse marine ecosystems, playing important roles in their functioning. Chondrilla nucula Shmidt 1862, a marine sponge, represents an abundant population within the benthic community of the Mediterranean Sea. mRNA sequencing and de novo transcriptome assembly techniques were implemented on this non-model species in order to investigate the gene expression dynamics of Chondrilla nucula in response to elevated temperatures, simulating a recent marine heat wave event. Differential expression and functional annotation analysis has induced the expression of genes involved in metabolic activity, binding processes, and regulation of biological functions. This has provided insight into the mechanisms of stress response and adaptation, which may contribute to better management and conservation of sponge ecosystems under future climate conditions.
- Population-level transcriptomic datasets from two benthic invertebrates exposed to long-term experimental warming and acidificationPublication . Kaitetzidou, Elisavet; Markomanolaki, Harris; Paone, Carlotta; Fabiano, Francesco; Chatzinikolaou, Eva; Dailianis, ThanosOcean warming and acidification are major drivers of change in marine ecosystems, with particularly strong impacts on low-mobility benthic organisms. Despite their ecological importance, genomic and transcriptomic resources from sponges (Phylum, Porifera) and marine gastropods (Phylum, Mollusca) that capture responses to long-term, combined climate stressors and population-level variability remain limited. Herein, we present population-level RNA-seq datasets from the sponge Chondrilla nucula and the gastropod Hexaplex trunculus, collected from northern and southern Aegean Sea (eastern Mediterranean) populations and exposed for three months to elevated temperature and reduced pH in a common-garden experiment simulating near-future climate change conditions. The datasets comprise high-quality paired-end Illumina reads, a complete de novo transcriptome assembly for C. nucula and genome-guided alignments for H. trunculus. These datasets provide a valuable resource for investigating transcriptional plasticity and climate change resilience in benthic marine invertebrates.