ArticleCell stress & chaperones2012
Stress levels over time in the introduced ascidian Styela plicata: the effects of temperature and salinity variations on hsp70 gene expression.
Article in Cell stress & chaperones, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Article
- Comparison of the Efficiency of Different Eradication Treatments to Minimize the Impacts Caused by the Invasive TunicateAnimals : an open access journal from MDPI · 2023Article
- Core and Dynamic Microbial Communities of Two Invasive Ascidians: Can Host-Symbiont Dynamics Plasticity Affect Invasion Capacity?Microbial ecology · 2019Article
- Styela plicata: a new promising bioindicator of heavy metal pollution for eastern Aegean Sea coastal waters.Environmental science and pollution research international · 2016Article
- Article
- Inferences on the biochemical and environmental regulation of universal stress proteins from Schistosomiasis parasites.Advances and applications in bioinformatics and chemistry : AABC · 2013Article
- Article
- Harbor networks as introduction gateways: contrasting distribution patterns of native and introduced ascidians.Biological invasionsArticle
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Authors and funding
3 authors.
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Abstract
Species distribution, abundance, and long-term survival are determined by biotic and abiotic regimes. However, little is known about the importance of these factors in species range expansion. Styela plicata is a solitary ascidian introduced all over the world by ship fouling, including salt marsh habitats, where introduced populations must tolerate high seasonal variations in temperature and salinity. To determine the seasonal stress levels in a salt marsh population of S. plicata, we quantified heat shock protein (hsp70) gene expression using quantitative real-time PCR throughout a 2-year cycle. Results showed that hsp70 expression varied over time, with higher stress levels recorded in summer and winter. Periodic conditions of high temperatures, particularly when coupled with low salinities, increased hsp70 gene expression. Mortality events observed every year around June were concurrent with sharp increases in temperature (>6°C), indicating that drastic changes in abiotic factors may overwhelm the observed stress response mechanisms. Determining the ability of introduced species to cope with stress, and the thresholds above which these mechanisms fail, is fundamental to predict the potential expansion range of introduced species and design efficient containment plans.
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