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Evolution of eyes and photoreceptor cell types.
- D. Arendt
- BiologyThe International journal of developmental…
- 1 December 2003
It is proposed that the retinal ganglion, amacrine and horizontal cells are evolutionary sister cell types that evolved from a common rhabdomeric photoreceptor cell precursor, the proto-eye.
Vasa unveils a common origin of germ cells and of somatic stem cells from the posterior growth zone in the polychaete Platynereis dumerilii.
Profiling by Image Registration Reveals Common Origin of Annelid Mushroom Bodies and Vertebrate Pallium
Molecular Architecture of Annelid Nerve Cord Supports Common Origin of Nervous System Centralization in Bilateria
Evolution of the bilaterian larval foregut
The data indicate that Urbilateria, the common bilaterian ancestors, developed through a primary, ciliary larva that already possessed a tripartite tube-shaped gut.
The evolution of cell types in animals: emerging principles from molecular studies
- D. Arendt
- BiologyNature Reviews Genetics
- 1 November 2008
The recent advent of cell type molecular fingerprinting has yielded initial insights into the evolutionary interrelationships of cell types between remote animal phyla and has allowed us to define some first principles of celltype diversification in animal evolution.
Ciliary Photoreceptors with a Vertebrate-Type Opsin in an Invertebrate Brain
Comparative analysis indicates that both types of photoreceptors, with distinct opsins, coexisted in Urbilateria, the last common ancestor of insects and vertebrates, and sheds new light on vertebrate eye evolution.
Larval body patterning and apical organs are conserved in animal evolution
It is proposed that a simple apical organ - comprising an apical tuft and a basal plexus innervated by sensory-neurosecretory apical plate cells - was present in the last common ancestors of cnidarians and bilaterians.
Insights into bilaterian evolution from three spiralian genomes
The genome organization, gene structure and functional content of the owl limpet, a marine polychaete and a freshwater leech are more similar to some invertebrate deuterostome genomes than those of other protostomes that have been sequenced to date.
Illuminating the base of the annelid tree using transcriptomics.
This study based on transcriptomic data comprising 68,750-170,497 amino acid sites from 305 to 622 proteins resolves annelid relationships, including Chaetopteridae, Amphinomidae, Sipuncula, Oweniidae, and Magelonidae in the basal part of the tree.