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  1. In the polychaete Platynereis, the primordial germ cells (PGCs) emerge from the vasa, piwi, and PL10 expressing mesodermal posterior growth zone (MPGZ) at the end of larval development, suggesting a post-embryoni...

    Authors: Nicole Rebscher, Anika Kristin Lidke and Christian Friedrich Ackermann

    Citation: EvoDevo 2012 3:9

    Content type: Research

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  2. Annelids and arthropods each possess a segmented body. Whether this similarity represents an evolutionary convergence or inheritance from a common segmented ancestor is the subject of ongoing investigation.

    Authors: Elaine C Seaver, Emi Yamaguchi, Gemma S Richards and Néva P Meyer

    Citation: EvoDevo 2012 3:8

    Content type: Research

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  3. Flatworm embryology has attracted attention since the early beginnings of comparative evolutionary biology. Considered for a long time the most basal bilaterians, the Platyhelminthes (excluding Acoelomorpha) a...

    Authors: José María Martín-Durán and Bernhard Egger

    Citation: EvoDevo 2012 3:7

    Content type: Review

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  4. Larval features such as the apical organ, apical ciliary tuft, and ciliated bands often complicate the evaluation of hypotheses regarding the origin of the adult bilaterian nervous system. Understanding how ne...

    Authors: Scott Santagata, Carlee Resh, Andreas Hejnol, Mark Q Martindale and Yale J Passamaneck

    Citation: EvoDevo 2012 3:3

    Content type: Research

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  5. Here we provide the most comprehensive study to date on the cranial ossification sequence in Lipotyphla, the group which includes shrews, moles and hedgehogs. This unique group, which encapsulates diverse ecol...

    Authors: Daisuke Koyabu, Hideki Endo, Christian Mitgutsch, Gen Suwa, Kenneth C Catania, Christoph PE Zollikofer, Sen-ichi Oda, Kazuhiko Koyasu, Motokazu Ando and Marcelo R Sánchez-Villagra

    Citation: EvoDevo 2011 2:21

    Content type: Research

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  6. RNAs for embryo patterning and for germ cell specification are localized to the vegetal cortex of the oocyte of Xenopus laevis. In oocytes of the direct developing frog Eleutherodactylus coqui, orthologous RNAs f...

    Authors: Richard P Elinson, Michelle C Sabo, Cara Fisher, Takeshi Yamaguchi, Hidefumi Orii and Kimberly Nath

    Citation: EvoDevo 2011 2:20

    Content type: Research

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  7. Reptiles are largely under-represented in comparative genomics despite the fact that they are substantially more diverse in many respects than mammals. Given the high divergence of reptiles from classical mode...

    Authors: Athanasia C Tzika, Raphaël Helaers, Gerrit Schramm and Michel C Milinkovitch

    Citation: EvoDevo 2011 2:19

    Content type: Research

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  8. Nematodes can be subdivided into basal Enoplea (clades 1 and 2) and more derived Chromadorea (clades 3 to 12). Embryogenesis of Caenorhabditis elegans (clade 9) has been analyzed in most detail. Their establishme...

    Authors: Jens Schulze and Einhard Schierenberg

    Citation: EvoDevo 2011 2:18

    Content type: Research

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  9. As whole genome and transcriptome sequencing gets cheaper and faster, a great number of 'exotic' animal models are emerging, rapidly adding valuable data to the ever-expanding Evo-Devo field. All these new org...

    Authors: Mattias Ormestad, Mark Q Martindale and Eric Röttinger

    Citation: EvoDevo 2011 2:17

    Content type: Database

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  10. MicroRNAs are small noncoding RNAs regulating expression of protein coding genes at post-transcriptional level and controlling several biological processes. At present microRNAs have been identified in various...

    Authors: Simona Candiani, Luca Moronti, Davide De Pietri Tonelli, Greta Garbarino and Mario Pestarino

    Citation: EvoDevo 2011 2:15

    Content type: Research

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  11. A number of innovations underlie the origin of rapid reproductive cycles in angiosperms. A critical early step involved the modification of an ancestrally short and slow-growing pollen tube for faster and long...

    Authors: Jason M Abercrombie, Brian C O'Meara, Andrew R Moffatt and Joseph H Williams

    Citation: EvoDevo 2011 2:14

    Content type: Research

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  12. Bryozoa is a clade of aquatic protostomes. The bryozoan life cycle typically comprises a larval stage, which metamorphoses into a sessile adult that proliferates by asexual budding to form colonies. The homolo...

    Authors: Judith Fuchs, Mark Q Martindale and Andreas Hejnol

    Citation: EvoDevo 2011 2:13

    Content type: Research

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  13. The Sox genes are important regulators of animal development belonging to the HMG domain-containing class of transcription factors. Studies in bilaterian models have notably highlighted their pivotal role in cont...

    Authors: Muriel Jager, Eric Quéinnec, Hervé Le Guyader and Michaël Manuel

    Citation: EvoDevo 2011 2:12

    Content type: Research

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  14. Mammals as a rule have seven cervical vertebrae, except for sloths and manatees. Bateson proposed that the change in the number of cervical vertebrae in sloths is due to homeotic transformations. A recent hypo...

    Authors: Irma Varela-Lasheras, Alexander J Bakker, Steven D van der Mije, Johan AJ Metz, Joris van Alphen and Frietson Galis

    Citation: EvoDevo 2011 2:11

    Content type: Research

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  15. Stem cells have a critical role during adult growth and regeneration. Germline stem cells are specialized stem cells that produce gametes during sexual reproduction. Capitella teleta (formerly Capitella sp. I) is...

    Authors: Vincent C Giani Jr, Emi Yamaguchi, Michael J Boyle and Elaine C Seaver

    Citation: EvoDevo 2011 2:10

    Content type: Research

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  16. Tremendous progress has been made in the field of evo-devo through comparisons of related genes from diverse taxa. While the vast number of species in nature precludes a complete analysis of the molecular evol...

    Authors: Alison Heffer and Leslie Pick

    Citation: EvoDevo 2011 2:7

    Content type: Short report

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  17. Eyes in bilaterian metazoans have been described as being composed of either ciliary or rhabdomeric photoreceptors. Phylogenetic distribution, as well as distinct morphologies and characteristic deployment of ...

    Authors: Yale J Passamaneck, Nina Furchheim, Andreas Hejnol, Mark Q Martindale and Carsten Lüter

    Citation: EvoDevo 2011 2:6

    Content type: Research

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  18. Segmentation is a hallmark of the arthropods; most knowledge about the molecular basis of arthropod segmentation comes from work on the fly Drosophila melanogaster. In this species a hierarchic cascade of segment...

    Authors: Ralf Janssen, Graham E Budd, Nikola-Michael Prpic and Wim GM Damen

    Citation: EvoDevo 2011 2:5

    Content type: Research

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  19. Nuclear receptors (NRs) are an ancient superfamily of metazoan transcription factors that play critical roles in regulation of reproduction, development, and energetic homeostasis. Although the evolutionary re...

    Authors: Adam M Reitzel, Kevin Pang, Joseph F Ryan, James C Mullikin, Mark Q Martindale, Andreas D Baxevanis and Ann M Tarrant

    Citation: EvoDevo 2011 2:3

    Content type: Research

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  20. Gastrulation is a uniquely metazoan character, and its genesis was arguably the key step that enabled the remarkable diversification within this clade. The process of gastrulation involves two tightly coupled ...

    Authors: Shalika Kumburegama, Naveen Wijesena, Ronghui Xu and Athula H Wikramanayake

    Citation: EvoDevo 2011 2:2

    Content type: Research

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  21. Cichlid fishes have undergone rapid, expansive evolutionary radiations that are manifested in the diversification of their trophic morphologies, tooth patterning and coloration. Understanding the molecular mec...

    Authors: Adina J Renz, Helen M Gunter, Jan MF Fischer, Huan Qiu, Axel Meyer and Shigehiro Kuraku

    Citation: EvoDevo 2011 2:1

    Content type: Research

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  22. The heads of annelids (earthworms, polychaetes, and others) and arthropods (insects, myriapods, spiders, and others) and the arthropod-related onychophorans (velvet worms) show similar brain architecture and f...

    Authors: Patrick RH Steinmetz, Rolf Urbach, Nico Posnien, Joakim Eriksson, Roman P Kostyuchenko, Carlo Brena, Keren Guy, Michael Akam, Gregor Bucher and Detlev Arendt

    Citation: EvoDevo 2010 1:14

    Content type: Research

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  23. The floral homeotic C function gene AGAMOUS (AG) confers stamen and carpel identity and is involved in the regulation of floral meristem termination in Arabidopsis. Arabidopsis ag mutants show complete homeotic c...

    Authors: Aravinda L Yellina, Svetlana Orashakova, Sabrina Lange, Robert Erdmann, Jim Leebens-Mack and Annette Becker

    Citation: EvoDevo 2010 1:13

    Content type: Research

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  24. zic genes are members of the gli/glis/nkl/zic super-family of C2H2 zinc finger (ZF) transcription factors. Homologs of the zic family have been implicated in patterning neural and mesodermal tissues in bilaterian...

    Authors: Michael J Layden, Néva P Meyer, Kevin Pang, Elaine C Seaver and Mark Q Martindale

    Citation: EvoDevo 2010 1:12

    Content type: Research

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  25. The modern coelacanth (Latimeria) is the extant taxon of a basal sarcopterygian lineage and sister group to tetrapods. Apart from certain apomorphic traits, its morphology is characterized by a high degree of ret...

    Authors: Michael Lang, Yavor Hadzhiev, Nicol Siegel, Chris T Amemiya, Carolina Parada, Uwe Strähle, May-Britt Becker, Ferenc Müller and Axel Meyer

    Citation: EvoDevo 2010 1:11

    Content type: Research

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  26. Intercellular signaling pathways are a fundamental component of the integrating cellular behavior required for the evolution of multicellularity. The genomes of three of the four early branching animal phyla (...

    Authors: Kevin Pang, Joseph F Ryan, James C Mullikin, Andreas D Baxevanis and Mark Q Martindale

    Citation: EvoDevo 2010 1:10

    Content type: Research

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  27. The much-debated phylogenetic relationships of the five early branching metazoan lineages (Bilateria, Cnidaria, Ctenophora, Placozoa and Porifera) are of fundamental importance in piecing together events that ...

    Authors: Joseph F Ryan, Kevin Pang, James C Mullikin, Mark Q Martindale and Andreas D Baxevanis

    Citation: EvoDevo 2010 1:9

    Content type: Research

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  28. The polychaete annelid Capitella teleta (formerly Capitella sp. I) develops by spiral cleavage and has been the focus of several recent developmental studies aided by a fully sequenced genome. Fate mapping in pol...

    Authors: Néva P Meyer, Michael J Boyle, Mark Q Martindale and Elaine C Seaver

    Citation: EvoDevo 2010 1:8

    Content type: Research

    Published on:

  29. The zona limitans intrathalamica (ZLI) and the isthmus organizer (IsO) are two major secondary organizers of vertebrate brain development. These organizers are located at the interface of the expression domains o...

    Authors: Manuel Irimia, Cristina Piñeiro, Ignacio Maeso, José Luis Gómez-Skarmeta, Fernando Casares and Jordi Garcia-Fernàndez

    Citation: EvoDevo 2010 1:7

    Content type: Research

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  30. Homeobox genes are a superclass of transcription factors with diverse developmental regulatory functions, which are found in plants, fungi and animals. In animals, several Antennapedia (ANTP)-class homeobox ge...

    Authors: Maureen E Mazza, Kevin Pang, Adam M Reitzel, Mark Q Martindale and John R Finnerty

    Citation: EvoDevo 2010 1:3

    Content type: Research

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  31. A through gut is present in almost all metazoans, and most likely represents an ancient innovation that enabled bilaterian animals to exploit a wide range of habitats. Molecular developmental studies indicate ...

    Authors: Michael J Boyle and Elaine C Seaver

    Citation: EvoDevo 2010 1:2

    Content type: Research

    Published on: