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  1. Content type: Research

    Insect embryonic dorso-ventral patterning depends greatly on two pathways: the Toll pathway and the Bone Morphogenetic Protein pathway. While the relative contribution of each pathway has been investigated in ...

    Authors: Mateus Berni, Marcio Ribeiro Fontenele, Vitoria Tobias-Santos, Aline Caceres-Rodrigues, Flavia Borges Mury, Raquel Vionette-do-Amaral, Hatisaburo Masuda, Marcos Sorgine, Rodrigo Nunes da Fonseca and Helena Araujo

    Citation: EvoDevo 2014 5:38

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  2. Content type: Research

    Proseriates (Proseriata, Platyhelminthes) are free-living, mostly marine, flatworms measuring at most a few millimetres. In common with many flatworms, they are known to be capable of regeneration; however, fe...

    Authors: Johannes Girstmair, Raimund Schnegg, Maximilian J Telford and Bernhard Egger

    Citation: EvoDevo 2014 5:37

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  3. Content type: Research

    Although chordates descend from a segmented ancestor, the evolution of head segmentation has been very controversial for over 150 years. Chordates generally possess a segmented pharynx, but even though anatomi...

    Authors: Demian Koop, Jie Chen, Maria Theodosiou, João E Carvalho, Susana Alvarez, Angel R de Lera, Linda Z Holland and Michael Schubert

    Citation: EvoDevo 2014 5:36

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  4. Content type: Research

    Multicellularity provides organisms with opportunities for cell-type specialization, but requires novel mechanisms to position correct proportions of different cell types throughout the organism. Dictyostelid ...

    Authors: Christina Schilde, Anna Skiba and Pauline Schaap

    Citation: EvoDevo 2014 5:34

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  5. Content type: Research

    Mammals exhibit a remarkable variety of phenotypes and comparative studies using novel model species are needed to uncover the evolutionary developmental mechanisms generating this diversity. Here, we undertak...

    Authors: Sophie A Montandon, Athanasia C Tzika, António F Martins, Bastien Chopard and Michel C Milinkovitch

    Citation: EvoDevo 2014 5:33

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  6. Content type: Research

    Annual killifishes inhabit temporary ponds and their embryos survive the dry season encased in the mud by entering diapause, a process that arrests embryonic development during hostile conditions. Annual killi...

    Authors: Luca Dolfi, Roberto Ripa and Alessandro Cellerino

    Citation: EvoDevo 2014 5:32

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  7. Content type: Research

    The primary hormone of the vertebrate pineal gland, melatonin, has been identified broadly throughout the eukaryotes. While the role for melatonin in cyclic behavior via interactions with the circadian clock h...

    Authors: Rafael Peres, Adam M Reitzel, Yale Passamaneck, Solange Castro Afeche, José Cipolla-Neto, Antonio Carlos Marques and Mark Q Martindale

    Citation: EvoDevo 2014 5:26

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  8. Content type: Review

    A particularly critical event in avian evolution was the transition from long- to short-tailed birds. Primitive bird tails underwent significant alteration, most notably reduction of the number of caudal verte...

    Authors: Dana J Rashid, Susan C Chapman, Hans CE Larsson, Chris L Organ, Anne-Gaelle Bebin, Christa S Merzdorf, Roger Bradley and John R Horner

    Citation: EvoDevo 2014 5:25

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  9. Content type: Review

    Segmentation is a feature of the body plans of a number of diverse animal groupings, including the annelids, arthropods and chordates. However, it has been unclear whether or not these different manifestations...

    Authors: Anthony Graham, Thomas Butts, Andrew Lumsden and Clemens Kiecker

    Citation: EvoDevo 2014 5:24

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  10. Content type: Research

    The bHLH-PAS transcription factors are found in both protostomes and deuterostomes. They are involved in many developmental and physiological processes, including regional differentiation of the central nervou...

    Authors: Kun-Lung Li, Tsai-Ming Lu and Jr-Kai Yu

    Citation: EvoDevo 2014 5:20

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  11. Content type: Research

    Germline specification in some animals is driven by the maternally inherited germ plasm during early embryogenesis (inheritance mode), whereas in others it is induced by signals from neighboring cells in mid o...

    Authors: Gee-way Lin, Charles E Cook, Toru Miura and Chun-che Chang

    Citation: EvoDevo 2014 5:18

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  12. Content type: Research

    The Sox genes, a family of transcription factors characterized by the presence of a high mobility group (HMG) box domain, are among the central groups of developmental regulators in the animal kingdom. They are i...

    Authors: Christine E Schnitzler, David K Simmons, Kevin Pang, Mark Q Martindale and Andreas D Baxevanis

    Citation: EvoDevo 2014 5:15

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  13. Content type: Research

    The Onychophora are a probable sister group to Arthropoda, one of the most intensively studied animal phyla from a developmental perspective. Pioneering work on the fruit fly Drosophila melanogaster and subsequen...

    Authors: Mattias Hogvall, Anna Schönauer, Graham E Budd, Alistair P McGregor, Nico Posnien and Ralf Janssen

    Citation: EvoDevo 2014 5:14

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  14. Content type: Research

    For animal cells, ciliation and mitosis appear to be mutually exclusive. While uniciliated cells can resorb their cilium to undergo mitosis, multiciliated cells apparently can never divide again. Nevertheless,...

    Authors: April M Bird, George von Dassow and Svetlana A Maslakova

    Citation: EvoDevo 2014 5:13

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  15. Content type: Research

    Crustaceans of the genus Daphnia are one of the oldest model organisms in ecotoxicology, ecology and evolutionary biology. The publication of the Daphnia pulex genome has facilitated the development of genetic to...

    Authors: Beate Mittmann, Petra Ungerer, Marleen Klann, Angelika Stollewerk and Carsten Wolff

    Citation: EvoDevo 2014 5:12

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  16. Content type: Research

    A key early step in embryogenesis is the establishment of the major body axes; the dorsal-ventral (DV) and anterior-posterior (AP) axes. Determination of these axes in some insects requires the function of dif...

    Authors: Megan J Wilson, Nathan J Kenny and Peter K Dearden

    Citation: EvoDevo 2014 5:11

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  17. Content type: Research

    It is believed that in tapeworms a separate population of undifferentiated cells, the germinative cells, is the only source of cell proliferation throughout the life cycle (similar to the neoblasts of free liv...

    Authors: Uriel Koziol, Theresa Rauschendorfer, Luis Zanon Rodríguez, Georg Krohne and Klaus Brehm

    Citation: EvoDevo 2014 5:10

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  18. Content type: Research

    Heterochronic shifts during ontogeny can result in adaptively important innovations and might be initiated by simple developmental switches. Understanding the nature of these developmental events can provide i...

    Authors: Helen M Gunter, Claudia Koppermann and Axel Meyer

    Citation: EvoDevo 2014 5:8

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  19. Content type: Research

    While the ecological factors that drive phenotypic radiations are often well understood, less is known about the generative mechanisms that cause the emergence and subsequent diversification of novel features. He...

    Authors: Arnaud Martin, Kyle J McCulloch, Nipam H Patel, Adriana D Briscoe, Lawrence E Gilbert and Robert D Reed

    Citation: EvoDevo 2014 5:7

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  20. Content type: Research

    Haemocyanin is the respiratory protein of most of the Mollusca. In cephalopods and gastropods at least two distinct isoforms are differentially expressed. However, their physiological purpose is unknown. For t...

    Authors: Anne Thonig, Michael Oellermann, Bernhard Lieb and Felix Christopher Mark

    Citation: EvoDevo 2014 5:6

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  21. Content type: Research

    An important question in experimental embryology is to understand how the developmental potential responsible for the generation of distinct cell types is spatially segregated over developmental time. Classica...

    Authors: Antje HL Fischer, Kevin Pang, Jonathan Q Henry and Mark Q Martindale

    Citation: EvoDevo 2014 5:4

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  22. Content type: Research

    The monophyly of Mandibulata - the division of arthropods uniting pancrustaceans and myriapods - is consistent with several morphological characters, such as the presence of sensory appendages called antennae ...

    Authors: Prashant P Sharma, Tripti Gupta, Evelyn E Schwager, Ward C Wheeler and Cassandra G Extavour

    Citation: EvoDevo 2014 5:3

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  23. Content type: Research

    In Drosophila and many other insects, the Hox genes Ultrabithorax (Ubx) and abdominal-A (abd-A) suppress limb formation on most or all segments of the abdomen. However, a number of basal hexapod lineages retain m...

    Authors: Barbora Konopova and Michael Akam

    Citation: EvoDevo 2014 5:2

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  24. Content type: Research

    Comparative studies of developmental processes are one of the main approaches to evolutionary developmental biology (evo-devo). Over recent years, there has been a shift of focus from the comparative study of ...

    Authors: Hilde Janssens, Ken Siggens, Damjan Cicin-Sain, Eva Jiménez-Guri, Marco Musy, Michael Akam and Johannes Jaeger

    Citation: EvoDevo 2014 5:1

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  25. Content type: Review

    Animals have been described as segmented for more than 2,000 years, yet a precise definition of segmentation remains elusive. Here we give the history of the definition of segmentation, followed by a discussio...

    Authors: Roberta L Hannibal and Nipam H Patel

    Citation: EvoDevo 2013 4:35

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  26. Content type: Research

    In sea urchin larvae the circumesophageal fibers form a prominent muscle system of mesodermal origin. Although the morphology and later development of this muscle system has been well-described, little is know...

    Authors: Carmen Andrikou, Edmondo Iovene, Francesca Rizzo, Paola Oliveri and Maria Ina Arnone

    Citation: EvoDevo 2013 4:33

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  27. Content type: Research

    Studies on early neurogenesis have had considerable impact on the discussion of the phylogenetic relationships of arthropods, having revealed striking similarities and differences between the major lineages. I...

    Authors: Georg Brenneis, Angelika Stollewerk and Gerhard Scholtz

    Citation: EvoDevo 2013 4:32

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  28. Content type: Research

    In many bilaterians, asymmetric activation of canonical Wnt (cWnt) signaling at the posterior pole is critical for anterior-posterior (AP) body axis formation. In 16-cell stage sea urchins, nuclearization of β...

    Authors: Christine A Byrum and Athula H Wikramanayake

    Citation: EvoDevo 2013 4:31

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  29. Content type: Review

    Polyclad flatworms are an early branching clade within the rhabditophoran Platyhelminthes. They provide an interesting system with which to explore the evolution of development within Platyhelminthes and among...

    Authors: François Lapraz, Kate A Rawlinson, Johannes Girstmair, Bartłomiej Tomiczek, Jürgen Berger, Gáspár Jékely, Maximilian J Telford and Bernhard Egger

    Citation: EvoDevo 2013 4:29

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  30. Content type: Research

    The Mexican tetra (Astyanax mexicanus) has emerged as a good animal model to study the constructive and regressive changes associated with living in cave environments, as both the ancestral sighted morph and the ...

    Authors: Atukorallaya Devi Sewvandini Atukorala, Christine Hammer, Megan Dufton and Tamara Anne Franz-Odendaal

    Citation: EvoDevo 2013 4:28

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  31. Content type: Review

    The question of whether the ancestral bilaterian had a central nervous system (CNS) or a diffuse ectodermal nervous system has been hotly debated. Considerable evidence supports the theory that a CNS evolved j...

    Authors: Linda Z Holland, João E Carvalho, Hector Escriva, Vincent Laudet, Michael Schubert, Sebastian M Shimeld and Jr-Kai Yu

    Citation: EvoDevo 2013 4:27

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  32. Content type: Short report

    In blind cave-dwelling populations of Astyanax mexicanus, several morphological and behavioral shifts occurred during evolution in caves characterized by total and permanent darkness. Previous studies have shown ...

    Authors: Jonathan Bibliowicz, Alexandre Alié, Luis Espinasa, Masato Yoshizawa, Maryline Blin, Hélène Hinaux, Laurent Legendre, Stéphane Père and Sylvie Rétaux

    Citation: EvoDevo 2013 4:25

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