Meeting Abstract 37.3 Sunday, Jan. 5 08:30 Unequal second cleavage (of the CD blastomere) in the leech Helobdella austinensis ROGERS, D.V.; WEISBLAT, D.A.*; Univ. of California, Berkeley; Univ. of California, Berkeley weisblat@berkeley.edu Among animals that develop via spiral cleavage (a diverse group that may be synonymous with the super-phylum Lophotrochozoa), D quadrant specification is the process by […]
year: 2014
The ins and outs of beta-catenin mediated binary cell fate specification
Meeting Abstract 37.2 Sunday, Jan. 5 08:15 The ins and outs of beta-catenin mediated binary cell fate specification SCHNEIDER, SQ*; BASTIN, BR; PRUITT, MM; LETCHER, EJ; CHOU, H; Iowa State University; Iowa State University; Iowa State University; Iowa State University; Iowa State University sqs@iastate.edu In the spiralian annelid Platynereis dumerilii each embryonic cell division oriented along the […]
The Starfish Oocyte is an Excitable Medium
Meeting Abstract 37.4 Sunday, Jan. 5 08:45 The Starfish Oocyte is an Excitable Medium VON DASSOW, G.*; SU, K. C.; BEMENT, W. M.; University of Oregon; Massachusetts Institute of Technology; University of Wisconsin, Madison dassow@uoregon.edu Most animal oocytes undergo two extreme-asymmetrical divisions during meiosis, creating the egg and two polar bodies. In oocytes of the starfish Patiria […]
Targeted cell cycle arrest halts basement membrane gap expansion during nematode uterine-vulval attachment
Meeting Abstract 37.5 Sunday, Jan. 5 09:00 Targeted cell cycle arrest halts basement membrane gap expansion during nematode uterine-vulval attachment MATUS, DQ*; CHANG, E; MAKOHON-MOORE, SC; SHERWOOD, DR; Duke University; Duke University; Duke University; Duke University david.matus@duke.edu The creation of large gaps in basement membranes (BM) is a critical component of tissue construction and normal physiology, as […]
Cell differentiation in cleavage arrested embryos of the comb jelly Mnemiopsis – Do they have a cleavage clock
Meeting Abstract 37.1 Sunday, Jan. 5 08:00 Cell differentiation in cleavage arrested embryos of the comb jelly Mnemiopsis – Do they have a cleavage clock? FISCHER, AHL*; PANG, K; HENRY, JQ; MARTINDALE, MQ; MBL, Woods Hole; SARS Bergen, Norway; University of Illinois, Urbana; Whitney Lab for Marine Bioscience, Univ. Florida afischer@mbl.edu Ctenophores, an early branching group of […]
Where’s the Food Copper Impairs Foraging in a Keystone Indicator Species
Meeting Abstract 36.5 Sunday, Jan. 5 09:00 Where’s the Food?: Copper Impairs Foraging in a Keystone Indicator Species LAHMAN, S E*; MOORE, P A; Bowling Green State University; Bowling Green State University slahman@bgsu.edu Elevated pollution levels can disrupt ecosystem functions by altering a keystone indicator species’ ability to perform behaviors such as foraging, reproduction, or predator avoidance. […]
Metallothionein gene expression differs in populations with different exposure history
Meeting Abstract 36.6 Sunday, Jan. 5 09:15 Metallothionein gene expression differs in populations with different exposure history MUSTONEN, MS; HAIMI, J; KNOTT, KE*; University of Jyvaskyla; University of Jyvaskyla; University of Jyvaskyla emily.knott@jyu.fi Metal pollutants in soils can harm organisms and decrease species diversity. Species can cope with metal contamination with the help of metallothioneins, small metal-binding […]
Hepatic Melanomacrophage Aggregates and Metal Bioaccumulation in Spotted Gar (Lepisosteus oculatus)
Meeting Abstract 36.3 Sunday, Jan. 5 08:30 Hepatic Melanomacrophage Aggregates and Metal Bioaccumulation in Spotted Gar (Lepisosteus oculatus) FRENCH, J.D.*; YOUNG, J.E.; CHUMCHALL, M.M.; BRINKMAN, E.L.; MOORE, B.C.; Louisiana Tech University; Louisiana Tech University; Texas Christian University; Arkansas Game and Fish Commission; Louisiana Tech University jdf040@latech.edu Toxic metal contamination of aquatic environments can pose serious health threats […]
Environmental Impact on hemic neoplasia, growth and reproductive output in the softshell clam (Mya arenaria)
Meeting Abstract 36.4 Sunday, Jan. 5 08:45 Environmental Impact on hemic neoplasia, growth and reproductive output in the softshell clam (Mya arenaria). BOETTGER, S.A.; West Chester University aboettger@wcupa.edu Hemic neoplasia a disease in bivalve mollusks characterized by highly mitotic hemocytes is one of the six most destructive molluscan diseases. Efforts to link the onset of this fatal […]
Effects of Corexit 9500A on gill structure and oxygen consumption in Danio rerio
Meeting Abstract 36.2 Sunday, Jan. 5 08:15 Effects of Corexit 9500A on gill structure and oxygen consumption in Danio rerio MOORE, S. L.*; OLIVA, O. M.; WILLIAMS, M. B.; POWELL, M. L.; MEADE, M. E.; ANTONY, V. B.; WATTS, S. A.; Univ. of Alabama, Birmingham; Univ. of Alabama, Birmingham; Univ. of Alabama, Birmingham; Univ. of Alabama, Birmingham; […]