Related Experiment Video
Updated: Jun 5, 2026
10:23
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
Published on: July 11, 2025
Resolving the phylogeny of the European newts
1Brain and Behaviour Research Group, Dept of Biology, The Open University, Milton Keynes MK7 6AA, UK.
Trends in Ecology & Evolution
|January 15, 2011
Summary
European newt phylogeny has been extensively studied using diverse methods, yielding conflicting results. Recent combined-data analyses offer a promising resolution to the evolutionary relationships of these amphibians.
Area of Science:
- Zoology
- Evolutionary Biology
- Herpetology
Background:
- European newts (genus Lissotriton) represent a significant focus in vertebrate evolutionary studies.
- Extensive phylogenetic analyses have been conducted on European newts, employing a wide array of data types.
Purpose of the Study:
- To resolve conflicting phylogenetic results obtained from previous studies on European newts.
- To establish a robust evolutionary framework for the European newt genus.
Main Methods:
- Phylogenetic analyses utilizing diverse character sets, including biochemical and ethological data.
- Integration of multiple data types in recent analyses to overcome limitations of single-dataset approaches.
Main Results:
- Previous phylogenetic analyses using varied methods have produced conflicting evolutionary trees for European newts.
- Recent studies integrating multiple data sources are beginning to reconcile discrepancies and clarify evolutionary relationships.
Conclusions:
- The evolutionary history of European newts is complex and has been challenging to ascertain.
- Combined-data phylogenetic approaches hold the key to resolving long-standing questions about European newt evolution.
Related Concept Videos
02:54Evolutionary Relationships through Genome Comparisons
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
01:28Microbial Phylogeny
Understanding the evolutionary relationships among microorganisms is fundamental to microbial ecology and taxonomy. Phylogenetic trees are essential tools for inferring these relationships, relying primarily on comparative analyses of molecular sequences such as DNA, RNA, or proteins. In microbial studies, these trees typically depict the evolutionary paths of diverse bacterial and archaeal species by mapping genetic differences accumulated over time.Phylogenetic trees are composed of tips,...
01:23Phylogeny
Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire...
03:21Phylogenetic Trees
Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
03:21Phylogenetic Trees
Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
02:40The Tree of Life - Bacteria, Archaea, Eukaryotes
The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the common ancestor to all life on Earth. All other species radiate from this point, much like the branches of a tree. The numerous tips of these branches on the tree of life represent every living, or extant, species. Extinct species, which are species that no longer exist, can be found towards the center of the tree. Currently, these organisms, both extant and...