Isozyme expression of Chinese and Japanese populations ofChlamys farreri and their reciprocal hybrids

Li Taiwu; Liu Yan; Song Linsheng; Sun Xiuqin

doi:10.1007/BF02894232

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Isozyme expression of Chinese and Japanese populations ofChlamys farreri and their reciprocal hybrids

Updated：2023-05-16

- Isozyme expression of Chinese and Japanese populations ofChlamys farreri and their reciprocal hybrids
- Journal of Oceanology and Limnology Vol. 23, Issue 2, Pages: 158-162(2005)
- Affiliations：
  
  1. Faculty of Life Science and Technology Ningbo University
  2. Ningbo Polytechnic College
  3. Institute of Oceanology The Chinese Academy of Sciences
  4. First Institute of Oceanography State Oceanic Administration
- Author bio：
- Funds：
- DOI：10.1007/BF02894232
  CLC：
- Published：2005
- Accepted：
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Taiwu, L., Yan, L., Linsheng, S. et al. Isozyme expression of Chinese and Japanese populations ofChlamys farreri and their reciprocal hybrids., Chin. J. Ocean. Limnol. 23, 158–162 (2005). https://doi.org/10.1007/BF02894232
DOI：

Taiwu, L., Yan, L., Linsheng, S. et al. Isozyme expression of Chinese and Japanese populations ofChlamys farreri and their reciprocal hybrids., Chin. J. Ocean. Limnol. 23, 158–162 (2005). https://doi.org/10.1007/BF02894232 DOI：

摘要

Abstract

Chinese and Japanese population ofChlamys farreri and their reciprocal hybrids were surveyed in isozyme variability at 13 loci by polyacrytamide gel electrophoresis (PAGE). Isozyme banding patterns indicated these hybrids were diploid. Loci that were observed as being monomorphic in inbred populations ofC. farreri were also found to be monomorphic in filial progeny; loci that observed to be polymorphic in parental type generations were also polymorphic in hybrid generations. Differences existed among allelic frequency of the four types of cross. Within the reciprocal hybrids the expression of malic enzyme (ME) isozyme was sufficient to distinguishing individual hybrids because of the band

Rf=0.38. However

there were no noticeable variations among all the samples to differentiate one from another. Inbreeding was likely to be the main problem in aquaculture. The introduction of new broodstock can improve the genetic diversity. Hybrid vigor has manifested to a certain extent in the present study.

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references

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