期刊
DISEASES OF AQUATIC ORGANISMS
卷 151, 期 -, 页码 123-128出版社
INTER-RESEARCH
DOI: 10.3354/dao03696
关键词
Biosecurity; PCR; Phylogenetics; Mud-blister worm; Polydorid
资金
- Nantucket Biodiversity Initiative
- Nantucket Shellfish Association
Shell-boring polychaete worms have a severe impact on shellfish aquaculture, and this study reports the first known instance of shell-infestation of commercially important scallops on Nantucket Island by the cryptogenic polydorid Polydora neocaeca. Further analysis reveals a high level of genetic connectivity between worms from Nantucket Island and the US mainland, forming a distinct haploclade that is genetically isolated from populations from South Africa and Japan. However, limited sampling and lack of sequence data prevent the definitive determination of its origins.
Shell-boring polychaete worms can severely impact shellfish aquaculture by reducing growth rates and compromising tissue quality of their molluscan hosts. In this study we report the first known instance of shell-infestation of commercially important scallops on Nantucket Island by the cryptogenic polydorid Polydora neocaeca. Additional analyses indicate a high level of genetic connectivity between worms from Nantucket Island and the US mainland, forming a distinct haploclade which is genetically isolated from populations from South Africa and Japan. While transportation of infected seed could have introduced the worm to Nantucket, limited sampling and the paucity of sequence data available makes it impossible to definitely determine its origins.
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