Genetic studies on the black tiger shrimps, Penaeus monodon, using molecular genetic techniques
1998
Anchalee Tassanakajon (Chulalongkorn Univ., Bangkok (Thailand). Faculty of Science. Dept. of Biochemistry)
Use of molecular genetic techniques in aquaculture research has increased dramatically over the past several years. In shrimp, different types of genetic markers including allozymes, mtDNA, RAPD and microsatellites have been developed. These genetic markers have applications in selective breeding program and domestication of shrimp species. Selections of proper shrimp stocks for breeding programs of black tiger shrimps, Penaeus monodon, require basic knowledge on genetic diversity and population structure of the species. Microsatellite markers have been used to show the existance of genetic differentiation between the populations of P. monodon in The Andaman Sea and The Gulf of Thailand. Microsatellite can also be used as genetic tags for identification of progeny groups. Shrimps from different families can be reared in the same tanks and performances of different progeny group characteristics can be evaluated in the same environment. Genetic variation and assessment of inbreeding leveles in domesticated animals can be investigated using molecular tools. The accumulation of genetic data on P. monodon can support the proper management of this economically important species.
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