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Abstract ▼ AI-Helper

The stock identification of small yellow croaker. Pseudosciaena Polyactis from Mokpo area was carried out using molecular biological methods such as mt-DNA restriction fragment length polymorphism(RFLP) and the N-terminal fragment polymorphism of muscle actin obtained after protease digestion. The e...

The stock identification of small yellow croaker. Pseudosciaena Polyactis from Mokpo area was carried out using molecular biological methods such as mt-DNA restriction fragment length polymorphism(RFLP) and the N-terminal fragment polymorphism of muscle actin obtained after protease digestion. The entire mt-DNA genomic size from the small yellow croaker at Mokpo area was estimated to be about $16\pm0.2$ Kb. Furthermore, fourteen restriction endonucleases revealed a total of 37 restriction sites to the mt-DNA molecule, however, eight of the fourteen enzymes showed a significant restriction site variation. Six of the enzymes examined produced a single restriction profile for all individuals surveyed, indicating that they don't react on the same mt-DNA obtained from small yellow croaker. The Staphylococcus aureus $V_8$ protease is able to cleave the muscle actin of small yellow croaker and to yield a N-terminal peptide of 26 and 16 KDa, respectively.