Package: alien-hunter (1.7-1)

[ Source: alien-hunter  ]

Interpolated Variable Order Motifs to identify horizontally acquired DNA

Alien_hunter is an application for the prediction of putative Horizontal Gene Transfer (HGT) events with the implementation of Interpolated Variable Order Motifs (IVOMs). An IVOM approach exploits compositional biases using variable order motif distributions and captures more reliably the local composition of a sequence compared to fixed-order methods. Optionally the predictions can be parsed into a 2-state 2nd order Hidden Markov Model (HMM), in a change-point detection framework, to optimize the localization of the boundaries of the predicted regions. The predictions (embl format) can be automatically loaded into Artemis genome viewer freely available at: http://www.sanger.ac.uk/Software/Artemis/.

The manuscript describing the alien_hunter algorithm is available from Bioinformatics: Interpolated variable order motifs for identification of horizontally acquired DNA: revisiting the Salmonella pathogenicity islands. Vernikos GS, Parkhill J Bioinformatics. 2006;. PMID: 16837528

Tags: Field: Biology, Structural Biology, Implemented in: implemented-in::java, implemented-in::perl, Role: Program, Scope: Utility, Purpose: Analysing

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