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Jessica W. Leigh

Researcher at University of Otago

Publications -  24
Citations -  6017

Jessica W. Leigh is an academic researcher from University of Otago. The author has contributed to research in topics: Phylogenetic tree & Genome. The author has an hindex of 21, co-authored 24 publications receiving 4643 citations. Previous affiliations of Jessica W. Leigh include Halifax & Université de Montréal.

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popart: full-feature software for haplotype network construction

TL;DR: Popart is presented, an integrated software package that provides a comprehensive implementation of haplotype network methods, phylogeographic visualisation tools and standard statistical tests, together with publication‐ready figure production.
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Phylogenomic analyses support the monophyly of Excavata and resolve relationships among eukaryotic “supergroups”

TL;DR: A phylogenomic analysis of a dataset of 143 proteins and 48 taxa indicates that Excavata forms a monophyletic suprakingdom-level group that is one of the 3 primary divisions within eukaryotes, along with unikonts and a megagroup of Archaeplastida, Rhizaria, and the chromalveolate lineages.
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A multi-locus time-calibrated phylogeny of the brown algae (Heterokonta, Ochrophyta, Phaeophyceae): Investigating the evolutionary nature of the "brown algal crown radiation".

TL;DR: Using Bayesian relaxed molecular clock analysis, it is shown that the BACR is likely to represent a gradual diversification spanning most of the Lower Cretaceous rather than a sudden radiation.
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Network analyses structure genetic diversity in independent genetic worlds

TL;DR: Network analyses of 119,381 homologous DNA families, sampled from 111 cellular genomes and from 165,529 phage, plasmid, and environmental virome sequences, support a disconnected yet highly structured network of genetic diversity, revealing the existence of multiple “genetic worlds.”
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Testing congruence in phylogenomic analysis.

TL;DR: Concaterpillar, a hierarchical clustering method based on likelihood-ratio testing that identifies congruent loci for phylogenomic analysis, is developed, which produces a phylogeny with stronger support for five eukaryote supergroups including the Opisthokonts, the Plantae, the stramenopiles + Apicomplexa, the Amoebozoa, and the Excavata.