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TranslatorX: multiple alignment of nucleotide sequences guided by amino acid translations
We present TranslatorX, a web server designed to align protein-coding nucleotide sequences based on their corresponding amino acid translations. Expand
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Acoelomorph flatworms are deuterostomes related to Xenoturbella
Xenoturbellida and Acoelomorpha are marine worms with contentious ancestry. Both were originally associated with the flatworms (Platyhelminthes), but molecular data have revised their phylogeneticExpand
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Deuterostome phylogeny reveals monophyletic chordates and the new phylum Xenoturbellida
Deuterostomes comprise vertebrates, the related invertebrate chordates (tunicates and cephalochordates) and three other invertebrate taxa: hemichordates, echinoderms and Xenoturbella. TheExpand
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MicroRNAs and phylogenomics resolve the relationships of Tardigrada and suggest that velvet worms are the sister group of Arthropoda
Morphological data traditionally group Tardigrada (water bears), Onychophora (velvet worms), and Arthropoda (e.g., spiders, insects, and their allies) into a monophyletic group of invertebrates withExpand
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Consideration of RNA secondary structure significantly improves likelihood-based estimates of phylogeny: examples from the bilateria.
Sequences from ribosomal RNA (rRNA) genes have made a huge contribution to our current understanding of metazoan phylogeny and indeed the phylogeny of all of life. That said, some parts of thisExpand
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Uncertainty in the Timing of Origin of Animals and the Limits of Precision in Molecular Timescales
Summary The timing of divergences among metazoan lineages is integral to understanding the processes of animal evolution, placing the biological events of species divergences into the correctExpand
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A congruent solution to arthropod phylogeny: phylogenomics, microRNAs and morphology support monophyletic Mandibulata
While a unique origin of the euarthropods is well established, relationships between the four euarthropod classes—chelicerates, myriapods, crustaceans and hexapods—are less clear. Unsolved questionsExpand
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Hox genes and the phylogeny of the arthropods
The arthropods are the most speciose, and among the most morphologically diverse, of the animal phyla. Their evolution has been the subject of intense research for well over a century, yet theExpand
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Evidence for the derivation of the Drosophila fushi tarazu gene from a Hox gene orthologous to lophotrochozoan Lox5
The DNA-binding homeobox motif was first identified in several Drosophila homeotic genes but also in fushi tarazu, a gene found in the Hox cluster yet involved in segmentation, not anteroposteriorExpand
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Xenoturbella is a deuterostome that eats molluscs
Xenoturbella bocki, first described in 1949 (ref. 1), is a delicate, ciliated, marine worm with a simple body plan: it lacks a through gut, organized gonads, excretory structures and coelomicExpand
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