Phylogeny-guided interaction mapping in seven eukaryotes

The new phylogeny of eukaryotes.

Molecular phylogeny has been regarded as the ultimate tool for the reconstruction of relationships among eukaryotes-especially the different protist groups-given the difficulty in interpreting morphological data from an evolutionary point of view. In fact, the use of ribosomal RNA as a marker has provided the first well resolved eukaryotic phylogenies, leading to several important evolutionary ...

Advanced Gene Mapping in Eukaryotes

Distribution and phylogeny of Penelope-like elements in eukaryotes.

Penelope-like elements (PLEs) are a relatively little studied class of eukaryotic retroelements, distinguished by the presence of the GIY-YIG endonuclease domain, the ability of some representatives to retain introns, and the similarity of PLE-encoded reverse transcriptases to telomerases. Although these retrotransposons are abundant in many animal genomes, the reverse transcriptase moiety can ...

Signal conflicts in the phylogeny of the primary photosynthetic eukaryotes.

It is widely accepted that the first photosynthetic eukaryotes arose from a single primary endosymbiosis of a cyanobacterium in a phagotrophic eukaryotic host, which led to the emergence of three major lineages: Chloroplastida (green algae and land plants), Rhodophyta, and Glaucophyta. For a long time, Glaucophyta have been thought to represent the earliest branch among them. However, recent ma...

Role of parasites within the phylogeny of eukaryotes

Recent advances in molecular phylogenetics and morphological cladistics have considerably changed the picture we had on the tree of life (e.g. see Refs [1–16]). In particular, the alteration of the evolutionary relationships between eukaryotic organisms have split some traditional clades (e.g. Protozoa, Protophyta, Acoelomata, Aschelmintha) into highly divergent new branches, and have gathered ...