Meeting Abstract 54.11  Tuesday, Jan. 6  FM, not AM: Gas exchange during rest and activity in non-flying insects LIGHTON, JRB; Univ. of Nevada, Las Vegas lighton@sablesys.com Using the xeric tenebrionid beetle Cryptoglossa verrucosa as a model animal, and using a very fast-responding flow-through respirometry system, I show that the kinetics of gas exchange during activity are practically […]

Meeting Abstract 54.1  Tuesday, Jan. 6  Carbon turnover in tissues of a passerine bird: allometry, isotopic clocks, and phenotypic flexibility in organ size BAUCHINGER, U.*; MCWILLIAMS, S. R.; University of Rhode Island ; University of Rhode Island ulf.bauchinger@orn.mpg.de Stable isotopes are an important tool for physiological and behavioral ecologists, their usefulness depending on a thorough understanding of […]

Meeting Abstract 54.4  Tuesday, Jan. 5  Tight Regulation of Large-Scale Genome Rearrangements: the Sea Lamprey (Petromyzon marinus) SMITH, Jeramiah J.*; AMEMIYA, Chris T.; Benaroya Research Institute; Benaroya Research Institute jsmith@benaroyaresearch.org Our recent computational and empirical studies have revealed developmentally-regulated and large-scale genome reorganizations in a definitively vertebrate genome (the sea lamprey – Petromyzon marinus: a jawless vertebrate). […]

Meeting Abstract 54.1  Tuesday, Jan. 5  Programmed genome dynamism and its evolutionary cooption in a basal vertebrate AMEMIYA, Chris T.*; SAHA, Nil Ratan; SMITH, Jeramiah J.; Benaroya Research Institute; Benaroya Research Institute; Benaroya Research Institute camemiya@benaroyaresearch.org While trying to understand how genomic rearrangements occur during the diversification of an immune receptor system in the sea lamprey (Petromyzon […]

Meeting Abstract 54.5  Tuesday, Jan. 5  Multiple roles of retinoic acid in the pharyngeal endoderm development of amphioxus KOOP, D.*; HOLLAND, L.Z.; Univ. of California, San Diego; Univ. of California, San Diego dkoop@ucsd.edu In the cephalochordate, amphioxus, the pharyngeal endoderm gives rise to Hatschek’s pit (homologous to the vertebrate adenohypophysis), endostyle (homologous to the vertebrate thyroid) and […]

Meeting Abstract 54.3  Tuesday, Jan. 5  Investigating the role of the Nodal signaling pathway in a indirect developing hemichordate, Ptychodera flava RöTTINGER, E*; DUBOC, T; MARTINDALE, MQ; Kewalo Marine Laboratory, University of Hawaii; Kewalo Marine Laboratory, University of Hawaii; Kewalo Marine Laboratory, University of Hawaii rottinge@hawaii.edu Deuterostomes are a group of animals composed of chordates, echinoderms and […]

Meeting Abstract 54.2  Tuesday, Jan. 5  A Dual Origin of the Pituitary Primordium in the Ascidian KANO, S*; SATOU, Y; DESCHET, K; MARTIN, P; HAEUSSLER, M; JOLY, JS; CNRS, Gif-sur-Yvette, France; Kyoto University, Kyoto, Japan; CNRS, Gif-sur-Yvette, France; INRA. Jouy-en-Josas, France; CNRS, Gif-sur-Yvette, France; CNRS, Gif-sur-Yvette, France kanoic@ciona.info The pituitary is an essential endocrine organ in the […]

Meeting Abstract 54.5  Thursday, Jan. 6  Intervertebral joint kinematics during the startle response in Striped bass, Morone saxatilis NOWROOZI, B.N.*; BRAINERD, E.L.; Brown University; Brown University bryan_nowroozi@brown.edu The vertebral column provides both stiffness and flexibility to the body to aid in locomotion in a variety of vertebrate taxa. Despite this conserved function, the morphology of vertebrae and […]

Meeting Abstract 54.3  Thursday, Jan. 6  Form-function relationship between ray skeletal architecture and ray locomotion RUSSO, R/S*; BLEMKER, S/S; FISH, F; MOORED, K; BART-SMITH, H; University of Virginia; University of Virginia; West Chester University; University of Virginia; University of Virginia rsr4q@virginia.edu Rays within the myliobatoidae family exhibit compelling differences in their skeletal architecture that are seemingly correlated […]

Meeting Abstract 54.4  Thursday, Jan. 6  Effects of body shape on myoseptal tendon ossification in teleost fishes DANOS, N*; WARD, AB; Harvard University; Adelphi University ndanos@oeb.harvard.edu Fish body muscles are arranged along the vertebral column in three-dimensional W-shaped blocks, called myomeres. Each myomere is separated from its neighbours by a collagenous sheet, the myoseptum, and embedded in […]