Meeting Abstract 136-3  Tuesday, Jan. 7 14:00 – 14:15  Ventral-dorsal inversion of the air-filled organ (lungs, gas bladder) in vertebrates FUNK, EC*; KURPIOS, NA; MCCUNE, AR; Cornell University; Cornell University; Cornell University ef347@cornell.edu Study of the origin of evolutionary novelties is central to understanding the history of life. With advancements in developmental genetics, we can investigate the […]

Meeting Abstract 136-1  Tuesday, Jan. 7 13:30 – 13:45  Thyroid Hormone Mediates Proximal-Distal Patterning in Zebrafish Fin Skeleton HU, Y*; HARPER, M; DONAHUE, J; ACOSTA, B; MCMENAMIN, S; Boston College; Boston College; Boston College; Boston College; Boston College hucy@bc.edu Caudal fin morphology varies extensively among fish species, yet we know very little about the developmental programs underlying […]

Meeting Abstract 136-6  Tuesday, Jan. 7 14:45 – 15:00  Hox-logic of Rove Beetle Chemical Weaponry KISHI, Y*; BRÜCKNER, A; THOMAS, IM; PARKER, J; California Institute of Technology, Pasadena, CA; California Institute of Technology, Pasadena, CA; Columbia University, New York, NY; California Institute of Technology, Pasadena, CA ykishi@caltech.edu In the rove beetle subfamily Aleocharinae (Coleoptera: Staphylinidae) symbiosis with […]

Meeting Abstract 136-7  Tuesday, Jan. 7 15:00 – 15:15  Heterodox Ligands in an Ancient Signaling Center in Octopus Brain ALBERTIN, CB*; PARNAIK, R; RAGSDALE, CW; Marine Biological Laboratory and University of Chicago; University of Chicago; University of Chicago calbertin@mbl.edu Widely shared across metazoan neural development is a transcription factor network implicated in anterior-posterior brain patterning, including OTX […]

Meeting Abstract 136-5  Tuesday, Jan. 7 14:30 – 14:45  Functional analysis, by CRISPR mutagenesis, of genes in the atomized Hox cluster of the leech Helobdella austinensis WINCHELL, CJ*; LEE, DT; REYES-RIVERA, J; RODRIGUEZ, A; TORRES, MM; WEISBLAT, DA; UC Berkeley cjwinchell@berkeley.edu Leeches are active epibenthic predators or ectoparasites; in contrast, their ancestors and close extant relatives (oligochaetes) […]

Meeting Abstract 136-4  Tuesday, Jan. 7 14:15 – 14:30  Determining the role of oral-aboral patterning on neurogenesis in the sea anemone, Nematostella vectensis FALTINE-GONZALEZ, DZ*; LAYDEN, MJ; Lehigh University; Lehigh University dzf215@lehigh.edu Cnidarian nerve nets are believed to represent the ancestral nervous system that gave rise to centralized nervous systems (CNS), a trait of bilaterians. Determining how […]

Meeting Abstract 135-7  Tuesday, Jan. 7 15:00 – 15:15  Varied tooth plate shape, varied diet: Morphology of Spotted Ratfish Tooth Plates HERBERT, AM*; WILGA, CD; University of Alaska Anchorage; University of Alaska Anchorage aherbert3@alaska.edu Teeth are a critical aspect of feeding in most vertebrates and vary greatly in shape and size among taxa. A tooth can perform […]

Meeting Abstract 135-2  Tuesday, Jan. 7 13:45 – 14:00  The Role of Phenotypic Plasticity in Morphological Differentiation Between Watersnake Populations CLIFTON, IT*; CHAMBERLAIN, JD; GIFFORD, ME; University of Toledo; Southern Arkansas University; University of Central Arkansas Ian.Clifton@rockets.utoledo.edu http://itclifton.com An individual’s morphology is shaped by the environmental pressures it experiences, and the resulting morphological response is the culmination […]

Meeting Abstract 135-4  Tuesday, Jan. 7 14:15 – 14:30  Shell remodeling may circumvent limits to phenotypic plasticity in the marine gastropod, Nucella lamellosa CHARIFSON, DM*; BOURDEAU, PE; PADILLA, DK; Stony Brook University; Humboldt State University; Stony Brook University david.charifson@stonybrook.edu The adaptive value of phenotypic plasticity can be limited by several factors, such as the epi-phenotype limit, which […]

Meeting Abstract 135-1  Tuesday, Jan. 7 13:30 – 13:45  Morphological divergence of a stream fish in altered flow: teasing apart the influences of natural selection and plastic response on body shape AKIN, DR*; GEHEBER, AD; Auburn University; University of Central Missouri dza0043@auburn.edu Cyprinella lutrensis is historically a stream dwelling minnow species (Family Cyprinidae) native to Missouri. Now, […]