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A Practical Algorithm for the 2-Species Duplication-Loss Small Phylogeny Problem

  • Jingli WuEmail author
  • Junwei Wang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9771)

Abstract

In this paper, the 2-Species Duplication-Loss Small Phylogeny Problem is studied. By introducing an alignment algorithm, a labeling algorithm and three smart mutate operators, a genetic algorithm G2SP is presented. Algorithm G2SP adopts the method of combining the general operator and the smart ones. The general operator maintains the population diversity effectively, while the smart ones improve population convergence and make it evolve to the optimal solution more quickly. The tRNA and rRNA gene data of six kinds of real bacterium were used to test the performance of algorithms. The experimental results indicate that the G2SP algorithm can get fewer evolution cost than the PBLB algorithm proposed by Holloway et al., and it is an effective method for solving the 2-species duplication-loss small phylogeny problem.

Keywords

Duplication Loss Small phylogeny problem Alignment Genetic algorithm Bioinformatics 

Notes

Acknowledgments

The authors are grateful to anonymous referees for their helpful comments. This research is supported by the National Natural Science Foundation of China under Grant No. 61363035 and No. 61502111, Guangxi Natural Science Foundation under Grant No. 2015GXNSFAA139288, No. 2013GXNSFBA019263 and No. 2012GXNSFAA053219, Research Fund of Guangxi Key Lab of Multisource Information Mining and Security No. 14-A-03-02 and No. 15-A-03-02, “Bagui Scholar” Project Special Funds, Guangxi Collaborative Innovation Center of Multi-source Information Integration and Intelligent Processing.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Guangxi Key Lab of Multi-source Information Mining and SecurityGuangxi Normal UniversityGuilinChina
  2. 2.College of Computer Science and Information TechnologyGuangxi Normal UniversityGuilinChina

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