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| Genetic Diversity of Stay Carp Cyprinus carpio Adapted to Paddy Field Conditions |
| ZOU Li1, WANG Jinlong1,2, LI Chuanwu1, WANG Dongwu1, ZENG Chunfang1, LIU Mingqiu1, LIU Li1, XIE Min1, ZENG Ming1 |
1. Fisheries Research Institute of Hunan Province, Changsha 410153, China;
2. Changde Research Center for Agricultural Biomacromolecule, Zoology Key Laboratory of Hunan Higher Education, Hunan Provincial Key Laboratory for Health Aquaculture and Product Processing in Dongting Lake Area, Hunan University of Arts and Science, Changde 415000, China |
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Abstract In order to investigate the genetic information on the stay carp Cyprinus carpio adapted to paddy field conditions in Hunan and Guizhou, fourteen microsatellites were used to evaluate the genetic diversity and genetic differentiation of three “stay carp” populations from Yongshun Xiangxi, Outuan Huaihua, Jinping Qiandongnan, one red carp population from Fisheries Research Institute of Hunan Province, one wild stay carp population from Xiangjiang. The results showed that 14 pairs of microsatellite primers were amplified with clear bands 16.571—19.214 average numbers of alleles, and 9.420—11.143 effective alleles per pair. The average observed heterozygosity was from 0.705 to 0.778, while mean expected heterozygosity ranged from 0.884 to 0.893, the value of average polymorphism information content was from 0.883 to 0.891. The genetic differentiation index among the 5 populations, the gene flow values at all locihe genetic variation among populations, variation within populations. These findings that the 5 carp populations had high level of genetic diversity, of gene flow in the 5 populations, and genetic differentiation. The “stay carp” population still kept high genetic diversity, and genetic differentiation with wild population from Xiangjiang.
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Received: 27 October 2021
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