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Keywords: Echinoderm
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Journal Articles
J Exp Biol (2024) 227 (2): jeb246707.
Published: 16 January 2024
...Nicholas J. Barrett; Elizabeth M. Harper; Kim S. Last; Helena C. Reinardy; Lloyd S. Peck ABSTRACT Reduced seawater salinity as a result of freshwater input can exert a major influence on the ecophysiology of benthic marine invertebrates, such as echinoderms. While numerous experimental studies have...
Includes: Supplementary data
Journal Articles
J Exp Biol (2023) 226 (17): jeb245752.
Published: 25 August 2023
...Emma Howell; Abigail Lancaster; Jordan Besh; Bea Richardson; Eileen Gomez; Sophia Harnew-Spradley; Chris Shelley ABSTRACT Despite lacking a brain and having an apparent symmetrically pentaradial nervous system, echinoderms are capable of complex, coordinated directional behavioral responses...
Journal Articles
J Exp Biol (2022) 225 (6): jeb243076.
Published: 28 March 2022
...Morgan McDonald; Natalie Paige Griffin; Emma Howell; Dingchen Li; Sophia Harnew-Spradley; Patrick Rodriguez; Abigail Lancaster; Feza Umutoni; Jordan Besh; Chris Shelley ABSTRACT Echinoderms, such as sea urchins, occupy an interesting position in animal phylogeny in that they are genetically closer...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2018) 221 (20): jeb189597.
Published: 15 October 2018
... flow strength and direction, respectively, to balance anchorage and feeding imperatives. Cucumaria Benthic animal Echinoderm Tentacle insertion rate Current Movement Almost all organisms need to move at some point during their lives, either through active locomotion or through...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (4): 637–645.
Published: 15 February 2015
... deuterostomes or as a sister group to the hemichordate/echinoderm clade (Ambulacraria), which is a sister group of the Chordata. None of these groups has a single longitudinal nerve cord and a brain. A further complication is that echinoderm nerve cords are not likely to be evolutionarily related...
Journal Articles
J Exp Biol (2013) 216 (21): 4047–4053.
Published: 1 November 2013
... echinoderms (e.g. NGFFFamide in sea urchins and NGIWYamide in sea cucumbers), so we investigated NG peptides as candidate regulators of cardiac stomach retraction in starfish. Generation and analysis of neural transcriptome sequence data from A. rubens revealed a precursor protein comprising two copies...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (11): 1923–1929.
Published: 1 June 2012
...Henry C. Astley SUMMARY Brittle stars (Ophiuroidea, Echinodermata) are pentaradially symmetrical echinoderms that use five multi-jointed limbs to locomote along the seafloor. Prior qualitative descriptions have claimed coordinated movements of the limbs in a manner similar to tetrapod vertebrates...
Includes: Multimedia, Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2010) 213 (20): 3416–3422.
Published: 15 October 2010
... to trypsin, meaning that it is a polypeptide, and its molecular mass estimated from gel filtration chromatography was 2.4 kDa. * Author for correspondence ( c2v@nict.go.jp ) 14 7 2010 © 2010. 2010 catch connective tissue mutable collagenous tissue stiffness echinoderm sea cucumber...
Journal Articles
J Exp Biol (2010) 213 (11): 1960–1966.
Published: 1 June 2010
... mechanisms of the stiffness changes are discussed. * Author for correspondence ( mtamori@bio.titech.ac.jp ) 16 2 2010 © 2010. 2010 catch connective tissue mutable collagenous tissue echinoderm sea cucumber water content hydrogel Echinoderms have special connective tissues...
Journal Articles
J Exp Biol (2009) 212 (8): 1067–1077.
Published: 15 April 2009
...Maurice R. Elphick; Matthew L. Rowe SUMMARY The myoactive neuropeptide NGIWYamide was originally isolated from the holothurian (sea cucumber) Apostichopus japonicus but there is evidence that NGIWYamide-like peptides also occur in other echinoderms. Here we report the discovery of a gene in the sea...
Journal Articles
J Exp Biol (2008) 211 (16): 2551–2558.
Published: 15 August 2008
...Kristina Holm; Samuel Dupont; Helen Sköld; Anna Stenius; Michael Thorndyke; Bodil Hernroth SUMMARY The coelomic fluid of the echinoderm Asterias rubens possesses large populations of circulating coelomocytes. This study aimed to expand the knowledge about the haematopoietic sources of these cells...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2006) 209 (19): 3873–3881.
Published: 1 October 2006
... echinoderm differentiation adaptation The brittlestar Amphiura filiformis (Echinodermata) is remarkably well adapted to its habitat. It is the dominant species on many sublittoral soft bottoms down to 200 m depth in the North Sea and the Mediterranean( Rosenberg, 1995 ). In this environment...
Journal Articles
J Exp Biol (2006) 209 (9): 1594–1602.
Published: 1 May 2006
... for echinoderms' success. In Echinoderm Biology (ed. R. D. Burke, P. V. Mladenov, P. Lambert and R. L. Parsley), pp. 39 -54. Rotterdam, Brookfield: A. A. Balkema. Motokawa, T. ( 1994 ). Effects of ionic environment on viscosity of Triton-extracted catch connective tissue of a sea cucumber body wall. Comp...
Journal Articles
J Exp Biol (2005) 208 (23): 4355–4361.
Published: 1 December 2005
... for correspondence (e-mail: aheyland@ufl.edu ) 8 9 2005 © The Company of Biologists Limited 2005 2005 thyroid hormone mollusc echinoderm iodine nuclear hormone receptor non-genomic action sea urchin Aplysia Many structurally similar signaling molecules are shared between...
Journal Articles
J Exp Biol (2005) 208 (22): 4273–4282.
Published: 15 November 2005
...Maurice R. Elphick; Michael C. Thorndyke SUMMARY The SALMFamides are a family of neuropeptides found in species belonging to the phylum Echinodermata. Members of this family have been identified in starfish (class Asteroidea) and in sea cucumbers (class Holothuroidea) but not in other echinoderms...
Journal Articles
J Exp Biol (2004) 207 (24): 4249–4253.
Published: 15 November 2004
... light by the spines, which have approximately the correct spacing for the observed resolution. Spatial vision is advantageous for echinoids of this genus because they leave and return to small dark shelters. This first demonstration of spatial vision in an echinoderm sheds further light on the complex...
Journal Articles
J Exp Biol (2004) 207 (21): 3749–3756.
Published: 1 October 2004
...@bani.ucl.ac.be ) 26 7 2004 © The Company of Biologists Limited 2004 2004 Amphiura filiformis Echinoderm Ophiosila aranea Ophiopsila californica Ophiuroid octopamine pharmacology tryptamine luminescence Bioluminescence (the emission of visible light by living organisms...
Journal Articles
J Exp Biol (2004) 207 (12): 2147–2155.
Published: 15 May 2004
... echinoderm complement innate immunity evolution In mammals, the complement cascade is composed of over 30 humoral and cell surface proteins ( Volanakis,1998 ). Sequence similarities suggest that many of these proteins evolved from a restricted set of primordial genes (Lachman, 1979; Bentley, 1988...