Inferring evolutionary scenarios in the duplication, loss and horizontal gene transfer model

作者: Paweł Górecki , Jerzy Tiuryn

DOI: 10.1007/978-3-642-29485-3_7

关键词: Horizontal gene transferSpeciationComputer scienceBioinformaticsGeneGenetic algorithmGene duplicationPhylogenetic treePhylogeneticsEmpirical dataComputational biology

摘要: An H-tree is a formal model of evolutionary scenario. It can be used to represent any processes with gene duplication and loss, horizontal transfer (HGT) speciation events. The H-trees, introduced in [26], an extension the duplication-loss (DL-model). Similarly its ancestor, it has number interesting mathematical biological properties. is, however, more computationally complex than DL-model. In this paper, we primarily address problem inferring H-trees that are compatible given tree phylogeny species HGTs. These results create computational foundation for general practical HGTs from trees We also demonstrate how our support HGT hypotheses based on empirical data sets.

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