Meeting Abstract 51.4  Saturday, Jan. 5  Molgulid Ascidians have a Radical Heterochronic Shift in the Metamorphic Gene Network MALISKA, ME*; LOWE, E; WEBER, C; PIERCE, T; BROWN, CT; SWALLA, BJ; University of Washington; Michigan State University; University of Washington; Michigan State University; Michigan State University; University of Washington mem24@uw.edu Transcriptome and genome data offer an exciting new […]

Meeting Abstract 51.2  Saturday, Jan. 5  Mechanisms of Metamorphic Remodeling in Hydroides elegans (Polychaeta). SHIPLEY, M.S.; PATZ, K.S.; NEDVED, B.T.; HADFIELD, M.G.*; University of Hawaii at Manoa; University of Hawaii at Manoa; University of Hawaii at Manoa; University of Hawaii at Manoa hadfield@hawaii.edu Larvae of the serpulid polychaete Hydroides elegans are competent to settle and metamorphose five […]

Meeting Abstract 51.6  Saturday, Jan. 5  Epigenetics as a stress response and its differing roles in the embryo and in the adult EPEL, D.; Stanford University depel@stanford.edu I explore the view that that the adult and the embryo handle environmental change in radically different ways. The adult handles change through reversible and temporary changes referred to as […]

Meeting Abstract 51.3  Saturday, Jan. 5  Edward S. Morse 1838-1925. History of scholarly exchanges in marine zoology between US and Japan MORSE, MPATR; Univ. of Washington, Friday Harbor Labs mpmorse@u.washington.edu Japan and the United States share a distinguished scientist who had a remarkable history with Japan 150 years ago. Edward Sylvester Morse (1838 – 1925) received his […]

Meeting Abstract 51.5  Saturday, Jan. 5  Differential use of nitric oxide to regulate metamorphosis is related to larval selectivity: an eco-devo test using the sea slug Alderia willowi, a species with a settlement dimorphism. BISHOP, C.D.*; KRUG, P.J.; St. Francis-Xavier Univ. Nova Scotia; Cal. State Univ. L.A. cbishop@stfx.ca Settlement and metamorphosis among marine larvae is often environmentally […]

Meeting Abstract 51.1  Sunday, Jan. 5 10:15  Specification the ascidian larval peripheral nervous system CHEN, J.S.; TANG, W.J.; MAHAFFY, J.M.; ZELLER, R.W.*; San Diego State Univ.; Benaroya Research Institute at Virginia Mason; San Diego State Univ.; San Diego State Univ. rzeller@mail.sdsu.edu The peripheral nervous system of the ascidian Ciona intestinalis is composed of a number of ciliated […]

Meeting Abstract 51.6  Sunday, Jan. 5 11:30  Ocular histology of three south central Texas Eurycea, a novel system for the study of evolutionary developmental biology TOVAR, R.U.*; FREMAUX, B.P.; GARCIA, D.M.; Texas State University; Texas State University ; Texas State University r_t63@txstate.edu The south central Texas Eurycea clade presents a continuum of morphologies unique to the tetrapod […]

Meeting Abstract 51.4  Sunday, Jan. 5 11:00  Modularity and Heterochrony in the Adaptive Evolution of the Lateral Line System of Fishes BIRD, NC*; WEBB, JF; University of Rhode Island; University of Rhode Island nathan_bird@mail.uri.edu The ability of different modules to evolve independently is a fundamental concept in organismal evolution. Module independence is critical for local evolutionary changes […]

Meeting Abstract 51.3  Sunday, Jan. 5 10:45  Differential Activity of SoxE Transcription Factors in Neural Crest Development and Evolution MCCAULEY, DW*; LEE, E; YUAN, T; NGUYEN, K; Univ. of Oklahoma, Norman; Univ. of Oklahoma, Norman; Univ. of Oklahoma, Norman; Univ. of Oklahoma, Norman dwmccauley@ou.edu SoxE genes arose by duplication and are key regulators of neural crest cell […]

Meeting Abstract 51.5  Sunday, Jan. 5 11:15  Development of adipose fin innervation and implications for fin evolution. STEWART, TA*; HALE, ME; University of Chicago; University of Chicago tomstewart@uchicago.edu Adipose fins are found on the dorsal surface of many teleost fishes, between the dorsal and caudal fins. They have evolved repeatedly, at least three times in ray-finned fishes. […]