A standardized way to describe phylogenetic model components, common assumptions, and best practices in the field of phylogenetics.

SMBE, through the IDEA (Inclusion, Diversity, Equity and Access) task force, aims to address systemic racism, sexism, colonialism and other exclusion in our SMBE society. With this in mind, SMBE has m...

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The transition from free‑living bacteria to mutualistic symbionts is a major evolutionary innovation, but its timing and stepwise nature remain unresolved because non‑symbiotic ancestors have rarely b...

Abstract. How host-associated microbial communities evolve as their hosts diversify remains equivocal: how conserved is their composition? What was the com

I spent an afternoon helping ChatGPT build a new interactive timetree viewer available at It provides an easy-to-use interface to visualize and manipulate a time-calibrated phylogeny. The code is w…

Call for expressions of interest and nominations! The Society of Systematic Biologists is recruiting an Editor-in-Chief to lead The Bulletin of the Society of Systematic Biologists (BSSB). Founded in....

Key questions about the early evolution of archaea remain unanswered. Here, Huang et al. use improved methods of genome evolution to propose a euryarchaeal root for archaea, a methanogenic ancestor, a...

Fossil calibation annotation for Bayesian molecular dating 🧬 - iqtree/calibratree

Abstract. Phylogenetic trees are often inferred from protein sequences sampled from diverse taxa across the tree of life. The compositions of these amino a

Last updated May 14, 2025

Abstract. Time-calibrating a phylogenetic tree is a fundamental step in phylogenetic inference, as it allows the study of macroevolutionary processes such

Rickettsiales is an alphaproteobacterial order. Traditionally, most if not all of its members were regarded as symbionts or pathogens of animals, including humans. This includes Wolbachia, one of t…

Abstract. piqtree (pronounced pie-cue-tree) is an easy to use, open-source Python package that provides Python script based control of IQ-TREE’s phylogenet

The present blog article gives some details behind a methodology paper on using mixture substitution model for molecular dating (Wang & Meade 2026), which btw is the first paper i published aft…

IQ-TREE version 3: software for phylogenetics. Contribute to iqtree/iqtree3 development by creating an account on GitHub.

Contribute to evolbeginner/phyloHessianWrapper development by creating an account on GitHub.

Join us on 24 March for the upcoming Inaugural Lecture of Richard Mann, Professor of Mathematical Ecology and Evolution in the School of Mathematics.