Zhao, C., Liu, C., Li, W. et al. Application of restriction site amplified polymorphism (RSAP) to genetic diversity in Saccharina japonica, ., Chin. J. Ocean. Limnol. 31, 830–834 (2013). https://doi.org/10.1007/s00343-013-2122-2
DOI:
Zhao, C., Liu, C., Li, W. et al. Application of restriction site amplified polymorphism (RSAP) to genetic diversity in Saccharina japonica, ., Chin. J. Ocean. Limnol. 31, 830–834 (2013). https://doi.org/10.1007/s00343-013-2122-2DOI:
Application of restriction site amplified polymorphism (RSAP) to genetic diversity in Saccharina japonica
摘要
Abstract
Restriction site amplified polymorphism (RSAP) was used
for the first time
to analyze the genetic structure and diversity of four
mainly cultivated
varieties of the brown alga
Saccharina japonica. Eighty-eight samples from varieties “ Rongfu ”
“ Fujian ”
“ Ailunwan ” and “ Shengchanzhong ” were used for the genetic analyses. One hundred and ninety-eight bands were obtained using eight combinations of primers. One hundred and ninety-one (96.46%) were polymorphic bands. Nei’s genetic diversity was 0.360
and the coefficient of genetic differentiation was 0.357. No inbreeding-type recession was found in the four brown alga varieties and the results of the “ Ailunwan ” variety using samples from 2 years showed that the variety was becoming less diverse during the selection inherent in the breeding program. Genetic diversity and cluster analyses results were consistent with these genetic relationships. The results show the RSAP method is suitable for genetic analysis. Continuous inbreeding and selection could reduce the genetic diversity effectively; therefore periodical supervision is required.
关键词
Keywords
references
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