期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 822, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2022.153463
关键词
Marine pollution; Marine protected areas; Port contaminants; Pachygrapsus marmoratus; Transcriptomic; RNA-Seq
资金
- IMPACT EU [0002269]
The study revealed significant differences in chemical composition and gene expression patterns of marbled crabs between Livorno Harbour and Secche della Meloria Marine Protected Area, reflecting responses to contaminant exposure.
The acquisition of data to safeguard marine protected areas located close to ports is important in order to develop plans that allow effective protection from pollution as well as sustainable development of the port. The area Secche della Meloria is a Marine Protected Area (MPA-MEL) three miles from Livorno Harbour (LH), which is characterized by a long history of pollution. Here we studied the bioaccumulation and transcriptomic patterns of the marbled crab, Pachygrapsus marmoratus (Fabricius, 1787) (Crustacea; Brachyura, Grapsidae), inhabiting the two selected sites. Results showed that the two crab populations are significantly different in their chemical composition of trace elements and Polyciclic Aromatic Hydrocarbons (PAHs), and gene expression patterns (1280 DEGs). Enrichment analysis indicated that crabs at LH had the highest stress response genes, and they were associated with higher levels of bioaccumulation detected in body tissues. We are confident that the significant differential gene expression profiles observed between crabs, characterized by significant chemical differences, is associated with responses to contaminant exposure.
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