Meeting Abstract 35.4 Monday, Jan. 5 Light environment limits gene expression in rapidly evolving cichlid radiations HOFMANN, C.M.**; SEEHAUSEN, O.; CARLETON, K.L.; University of Maryland chofma1@umd.edu Sensory adaptation to the light environment has been repeatedly demonstrated in opsin genes. However, recent work suggests that changes in gene expression may also play a large part in tuning visual […]
year: 2009
Explaining patterns of diversity within ray-finned fish
Meeting Abstract 35.1 Monday, Jan. 5 Explaining patterns of diversity within ray-finned fish SANTINI, F*; CARNEVALE, G; HARMON, LJ; ALFARO, ME; Univ. of California, Los Angeles; Univ. of Pisa; Univ. of Idaho; Univ. of California, Los Angeles santini@eeb.ucla.edu Using a large molecular timescale we present the first systematic study of the patters of diversity of ray-finned fish, […]
Brain diversity develops at the boundaries
Meeting Abstract 35.3 Monday, Jan. 5 Brain diversity develops at the boundaries SYLVESTER, JB*; RICH, CA; LOH, YE; FRASER, GJ; STREELMAN, JT; Georgia Institute of Technology; Georgia Institute of Technology; Georgia Institute of Technology; Georgia Institute of Technology; Georgia Institute of Technology gth644s@mail.gatech.edu The brain is the best-studied vertebrate organ. Modifications of brain structure are largely responsible […]
Aggression and the diversification of Lake Malawis rock-dwelling cichlids
Meeting Abstract 35.6 Monday, Jan. 5 Aggression and the diversification of Lake Malawis rock-dwelling cichlids DANLEY, Patrick D; Baylor University patrick_danley@baylor.edu Among the rock-dwelling Haplochromine cichlids of Lake Malawi, males must obtain and defend a territory to secure access to females. As a result, aggression plays a critical role in mbuna territoriality. This study examined the patterns […]
The Evolution, Development, and Genetics of Jaw Asymmetry in Lake Tanganyika Scale Eating Cichlids
Meeting Abstract 34.2 Monday, Jan. 5 The Evolution, Development, and Genetics of Jaw Asymmetry in Lake Tanganyika Scale Eating Cichlids STEWART, T.A.*; ALBERTSON, R.C.; Syracuse University tastew01@syr.edu Perissodus microlepis, Perissodus straeleni, and Perissodus paradoxus are cichlid fishes native to Lake Tanganyika in central Africa, which forage through lepidophagy, or scale-feeding. Each species is laterally asymmetrical, their heads […]
Ectopic expression of Fgf ligands results in supernumerary and fused teeth in zebrafish larvae
Meeting Abstract 34.3 Monday, Jan. 5 Ectopic expression of Fgf ligands results in supernumerary and fused teeth in zebrafish larvae JACKMAN, W.R.*; STOCK, D.W.; Bowdoin College; Univ. of Colorado wjackman@bowdoin.edu Fibroblast growth factor (Fgf) signaling is required for teeth to progress beyond the earliest stages of development in both mammals and zebrafish. Whether Fgf signaling is sufficient […]
Comparative Evolution of Trophic Morphology Among the East African Cichlids of Lakes Malawi, Victoria, and Tanganyika
Meeting Abstract 34.1 Monday, Jan. 5 Comparative Evolution of Trophic Morphology Among the East African Cichlids of Lakes Malawi, Victoria, and Tanganyika COOPER, W. J.*; MCINTYRE, A. M.; MCGEE-MOORE, A. C.; KERN, B. S.; ALBERTSON, R. C.; Syracuse University; Syracuse University; Syracuse University; Syracuse University; Syracuse University wjcooper@syr.edu The explosive trophic divergences among East African Rift Lake […]
Wing mechanosensors can transmit bending information at high bit rates
Meeting Abstract 33.3 Monday, Jan. 5 Wing mechanosensors can transmit bending information at high bit rates. ALDWORTH, Z. N.*; DANIEL, T. L.; University of Washington, Seattle; University of Washington, Seattle zna@u.washington.edu All insects are equipped with mechanosensory structures in their wings (campaniform sensilla), many of which encode wing bending or strain. In large insects, such as Manduca […]
Two Types of Mechanoreceptors in the Wings of a Pteropod Mollusc
Meeting Abstract 33.2 Monday, Jan. 5 Two Types of Mechanoreceptors in the Wings of a Pteropod Mollusc SATTERLIE, Richard; University of North Carolina Wilmington satterlier@uncw.edu Two types of surface mechanoreceptors have been identified in the wings of the pteropod mollusc Clione limacina, based on immunohistochemical, electron microscopical and electrophysiological evidence. The first type includes primary sensory cells […]
Peripheral sensory cells in the cephalic sensory organs of the pond snail Lymnaea stagnalis
Meeting Abstract 33.1 Monday, Jan. 5 Peripheral sensory cells in the cephalic sensory organs of the pond snail Lymnaea stagnalis WYETH, R.C.*; CROLL, R.P.; St. Francis Xavier Univ.; Dalhousie Univ. rwyeth@stfx.ca The study of nervous systems in gastropods has focused primarily on central and motor systems, with sensory systems receiving less attention. In particular, peripheral sensory neurons […]
