Genetic Markers for Seafood Regulations
December 9, 2011| |
Scientists at the Virginia Institute of Marine Science (VIMS) in the U.S. developed genetic markers that can be used by federal seafood agents to genetically test blue marlin and know their ocean of origin. The test is needed by the agents to make sure that the blue marlin sold in the U.S. markets were harvested from the Pacific or Indian oceans and not from Atlantic Ocean. Catch from the Atlantic waters is restricted due to the reported drop of blue marlin population caused by overfishing.
The VIMS research team identified 10 microsatellite markers that can be used to determine if blue marlin is Indo-Pacific or Atlantic. "These new markers amplify well using samples from Atlantic and Pacific blue marlin," says Laurie Sorenson, one of the authors of the study. "That means that they have value and utility in studies of both stocks. Use of these markers will provide a more powerful means of identifying the ocean of origin, allowing enforcement of regulations for this species."
Results of the study were published at the latest issue of Conservation Genetics Resources.
Read more at http://www.vims.edu/newsandevents/topstories/blue_marlin_genetics.php,
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