Portrait of He’e, the Hawaiian Day Octopus Eric Roettinger This image of the Hawaiian Day Octopus, also known as he’e, was submitted to the EMBO Journal Cover Contest 2011 by Eric Roettinger, a post-doctoral research fellow in the Martindale Lab.…
Ventralization of an indirect developing hemichordate by NiCl2 suggests a conserved mechanism of dorso-ventral (D/V) patterning in Ambulacraria (hemichordates and echinoderms) Eric Roettinger and Mark Q. Martindale One of the earliest steps in embryonic development is the establishment of the…
Invited cover Image by Eric Roettinger Close-up of the mouth region of the cushion star, Culcita novaeguineae, an echinoderm found in Hawaiian waters. The photographer, Eric Roettinger, works as a postdoc in Mark Martindale’s lab at the Kewalo Marine Laboratory…
A Twist in Time—The Evolution of Spiral Cleavage in the Light of Animal PhylogenyAndreas Hejnol β-catenin and Early Development in the Gastropod, Crepidula fornicataJonathan Q. Henry, Kimberly J. Perry, and Mark Q. Martindale Cell Lineage and Fate Map of the…
The Hawaiian Bobtail Squid (Euprymna scolopes): A Model to Study the Molecular Basis of Eukaryote-Prokaryote Mutualism and the Development and Evolution of Morphological Novelties in CephalopodsPatricia N. Lee, Margaret J. McFall-Ngai, Patrick Callaerts, and H. Gert de Couet The Hawaiian…
Centralization of the Deuterostome Nervous System Predates ChordatesMarc Nomaksteinsky, Eric Roettinger, Heloise D. Dufour, Zoubida Chettouh, Chris J. Lowe, Mark Q. Martindale and Jean-Francois Brunet The origin of the chordate central nervous system (CNS) is unknown. One theory is that…
Invited cover imageEric Roettinger A close encounter with Dendrodoris nigra, a nudibranch from Hawaiian shore lines. The photographer, Eric Roettinger, is a postdoctoral fellow in Mark Martindale’s group at the University of Hawai’i Kewalo Marine Laboratory. Besides his work on…
Comb Jellies (Ctenophora): A Model for Basal Metazoan Evolution and Development Kevin Pang and Mark Q. Martindale Ctenophores, or comb jellies, are a group of marine organisms whose unique biological features and phylogenetic placement make them a key taxon for…
Developmental expression of homeobox genes in the ctenophore Mnemiopsis leidyiKevin Pang and Mark Q. Martindale Homeobox genes are a large family of genes that encode helix-turn-helix transcription factors that play fundamental roles in such developmental processes including body axis formation…
Broad phylogenomic sampling improves resolution of the animal tree of life Dunn CW, Hejnol A, Matus DQ, Pang K, Browne WE, Smith SA, Seaver E, Rouse GW, Obst M, Edgecombe GD, Sørensen MV, Haddock SH, Schmidt-Rhaesa A, Okusu A, Kristensen…