2009
Concatenated Analysis Sheds Light on Early Metazoan Evolution and Fuels a Modern “Urmetazoon” Hypothesis
Schierwater B, Eitel M, Jakob W, Osigus HJ, Hadrys H, Dellaporta SL, Kolokotronis SO, DeSalle R. Concatenated Analysis Sheds Light on Early Metazoan Evolution and Fuels a Modern “Urmetazoon” Hypothesis. PLOS Biology 2009, 7: e1000020. PMID: 19175291, PMCID: PMC2631068, DOI: 10.1371/journal.pbio.1000020.Peer-Reviewed Original ResearchConceptsMetazoan animalsBase of MetazoaPlacozoan Trichoplax adhaerensMitochondrial ribosomal genesMolecular sequence dataEarly metazoan evolutionGene expression patternsNuclear genesConcatenated analysisMetazoan evolutionTrichoplax adhaerensGenome structurePhylogenetic relationshipsRibosomal genesPhylogenetic scenariosSequence dataInformative charactersExpression patternsBasal positionSequence analysisSecondary structureIntriguing modelPlacozoaMorphological evidenceGenes
2008
The Trichoplax genome and the nature of placozoans
Srivastava M, Begovic E, Chapman J, Putnam NH, Hellsten U, Kawashima T, Kuo A, Mitros T, Salamov A, Carpenter ML, Signorovitch AY, Moreno MA, Kamm K, Grimwood J, Schmutz J, Shapiro H, Grigoriev IV, Buss LW, Schierwater B, Dellaporta SL, Rokhsar DS. The Trichoplax genome and the nature of placozoans. Nature 2008, 454: 955-960. PMID: 18719581, DOI: 10.1038/nature07191.Peer-Reviewed Original ResearchConceptsSimplest free-living animalsPlacozoan Trichoplax adhaerensWhole-genome phylogenetic analysisLife history stagesDiverse cell typesFree-living animalsMetazoan formsNuclear genomeCompact genomeTrichoplax adhaerensGene structureGene contentHistory stagesPhylogenetic analysisCellular complexityTranscription factorsPathway genesGenomeDevelopmental processesPlacozoansCell typesEumetazoansSyntenyBilateriansTrichoplax
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