Multi-rate Poisson tree processes for single-locus species delimitation under maximum likelihood and Markov chain Monte Carlo

P Kapli, S Lutteropp, J Zhang, K Kobert… - …, 2017 - academic.oup.com
Motivation In recent years, molecular species delimitation has become a routine approach for
quantifying and classifying biodiversity. Barcoding methods are of particular importance in …

Phylogenetic analysis of SARS-CoV-2 data is difficult

…, B Bettisworth, L Hübner, S Lutteropp… - Molecular biology …, 2021 - academic.oup.com
Numerous studies covering some aspects of SARS-CoV-2 data analyses are being published
on a daily basis, including a regularly updated phylogeny on nextstrain.org. Here, we …

SpeciesRax: a tool for maximum likelihood species tree inference from gene family trees under duplication, transfer, and loss

B Morel, P Schade, S Lutteropp… - Molecular biology …, 2022 - academic.oup.com
Species tree inference from gene family trees is becoming increasingly popular because it
can account for discordance between the species tree and the corresponding gene family …

Quartet-based computations of internode certainty provide robust measures of phylogenetic incongruence

X Zhou, S Lutteropp, L Czech, A Stamatakis… - Systematic …, 2020 - academic.oup.com
Incongruence, or topological conflict, is prevalent in genome-scale data sets. Internode
certainty (IC) and related measures were recently introduced to explicitly quantify the level of …

NetRAX: accurate and fast maximum likelihood phylogenetic network inference

S Lutteropp, C Scornavacca, AM Kozlov, B Morel… - …, 2022 - academic.oup.com
Motivation Phylogenetic networks can represent non-treelike evolutionary scenarios. Current,
actively developed approaches for phylogenetic network inference jointly account for non-…

A fast and memory-efficient implementation of the transfer bootstrap

S Lutteropp, AM Kozlov, A Stamatakis - Bioinformatics, 2020 - academic.oup.com
Motivation Recently, Lemoine et al. suggested the transfer bootstrap expectation (TBE)
branch support metric as an alternative to classical phylogenetic bootstrap support for taxon-rich …

SPART: A versatile and standardized data exchange format for species partition information

…, J Sukumaran, S Lutteropp… - Molecular Ecology …, 2022 - Wiley Online Library
A wide range of data types can be used to delimit species and various computer‐based
tools dedicated to this task are now available. Although these formalized approaches have …

Quartet-based computations of internode certainty provide accurate and robust measures of phylogenetic incongruence

X Zhou, S Lutteropp, L Czech, A Stamatakis… - bioRxiv, 2017 - biorxiv.org
Incongruence, or topological conflict, is prevalent in genome-scale data sets but relatively
few measures have been developed to quantify it. Internode Certainty (IC) and related …

SCRAPP: A tool to assess the diversity of microbial samples from phylogenetic placements

P Barbera, L Czech, S Lutteropp… - Molecular ecology …, 2021 - Wiley Online Library
Microbial ecology research is currently driven by the continuously decreasing cost of DNA
sequencing and the improving accuracy of data analysis methods. One such analysis method …

Parallel string matching

P Pfaffe, M Tillmann, S Lutteropp, B Scheirle… - European Conference on …, 2016 - Springer
We explore the benefits of parallelizing 7 state-of-the-art string matching algorithms. Using
SIMD and multi-threading techniques we achieve a significant performance improvement of …