Research Report

Comparative Analysis of Cytb and D-loop Sequence Variation of Tilapia Breeding Population  

Xiaoyong Xie1 , Sifa  Li2
1 Key Lab. of Fishery Ecology and Environment of Guangdong Province, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
2 Shanghai Ocean University, Shanghai, China
Author    Correspondence author
International Journal of Marine Science, 2014, Vol. 4, No. 30   doi: 10.5376/ijms.2014.04.0030
Received: 13 Jan., 2014    Accepted: 19 Feb., 2014    Published: 06 Jun., 2014
© 2014 BioPublisher Publishing Platform
This article was first published in Genomics and Applied Biology (2014, 33(5): 982-985) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Xie X.Y., and Li S.F., 2014, Comparative analysis of Cytb and D-loop sequence variation of tilapia breeding population, International Journal of Marine Science, 4(30): 1-5 (doi: 10.5376/ijms.2014.04.0030)

Abstract

A comparative study of mtDNA Cytb and D-loop sequence variation of tilapia breeding population was carried out. The ratio of polymorphic loci with both methods averaged 0.776,74, the ratio of haplotype diversity averaged 0.919,45, the ratio of nucleotide diversity index averaged 0.769,77; the ratio of nucleotide difference averaged 0.936,19. The average base transition rate of Cytb and D-loop sequence were 0.042,67 and 0.037,25, respectively, whereas the average base transversion rate of Cytb and D-loop sequence were 0.004,10 and 0.022,84, respectively. The results compared and revealed the differences in sequence analysis of Cytb and D-loop, which might provide references for the similar studies.

Keywords
Tilapia; Cytb; D-loop; Sequence variation; Comparative analysis
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