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Fenneropenaeus penicillatus (redtail shrimp) is an important marine commercial animal in China. Recently, its resources have been depleted rapidly as a result of, for example, over-exploitation and environmental degradation of spawning grounds. Therefore, we analyzed the genetic diversity and differentiation of nine wild populations of F. penicillatus of China (Ningde, Lianjiang, Putian, Xiamen,...
Allozyme technique has been applied to detect the genetic variation and differentiation of amphioxus Branchiostoma belcheri populations from Xiamen. The genetic diversity was high,the mean number of alleles per locus was 2.0000, the effective number of alleles per locus ranged from 1.4623 to1.6320. The average of percentage of polymorphic loci was 57.14%, the observed heterozygosity and the expected...
Information on genetic diversity and differentiation is essential for conservation and stock improvement programs. AFLP technique was applied to analyze the genetic diversity and differentiation of one wild and three hatchery Haliotis diversicolor supertexta populations. In general, our results showed a reduced genetic diversity in the three hatchery populations when compared with the one wild population...
Amplified fragment length polymorphism technique has been applied to detect the genetic diversity and differentiation of three wild Haliotis ovina populations in Hainan province, China. High level of genetic diversity was detected among the populations. The mean effective number of alleles per locus was from 1.2027+0.3090 to 1.3530+0.3404, with an average of 1.2969+0.3338. The percentage of polymorphic...
The genetic diversity and differentiation between wild and hatchery Haliotis asinina populations were tested by allozyme and AFLP techniques. The results from allozyme technique showed that there was a decline in mean number of alleles per locus, percentage of polymorphic loci and observed heterozygosity and a change in allele frequency in three loci, SDH-1, AAT-1 and EST-1. Allelic richness, percentage...
Genetic diversity was investigated using assay of vertical slab ployacrylamide gel electrophoresis for the nine populations of Fenneropenaeus penicillatus. The results showed high levels of genetic diversity in each of the nine F. penicillatus populations. The mean number of alleles per locus ranged from 1.3333 to 1.6667, with a average of 1.4148. And the mean effective number of alleles per locus...
Genetic diversity and differentiation were investigated using assay of vertical slab ployacrylamide gel electrophoresis for the nine populations of Marsupenaeus japonicus. The results showed high levels of genetic diversity in each of the nine M. japonicus populations. The mean number of alleles per locus ranged from 1.0000 to 1.0152, with a average of 1.0017, and the mean effective number of alleles...
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