Measuring phylogenetic signal between categorical traits and phylogenies | Zendy

Rui Borges | Zendy; João Paulo Machado | Zendy; Cidália Gomes | Zendy; Ana Paula Rocha | Zendy; Agostinho Antunes | Zendy

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Measuring phylogenetic signal between categorical traits and phylogenies

Author(s) -

Rui Borges,

João Paulo Machado,

Cidália Gomes,

Ana Paula Rocha,

Agostinho Antunes

Publication year - 2018

Publication title -

bioinformatics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.599

H-Index - 390

eISSN - 1367-4811

pISSN - 1367-4803

DOI - 10.1093/bioinformatics/bty800

Subject(s) - phylogenetic tree , phylogenetics , trait , biology , categorical variable , evolutionary biology , phylogenetic comparative methods , clade , phylogenetic network , genetics , statistics , gene , computer science , mathematics , programming language

Determining whether a trait and phylogeny share some degree of phylogenetic signal is a flagship goal in evolutionary biology. Signatures of phylogenetic signal can assist the resolution of a broad range of evolutionary questions regarding the tempo and mode of phenotypic evolution. However, despite the considerable number of strategies to measure it, few and limited approaches exist for categorical traits. Here, we used the concept of Shannon entropy and propose the δ statistic for evaluating the degree of phylogenetic signal between a phylogeny and categorical traits.

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