Meeting Abstract 99.6  Sunday, Jan. 6  Restoration of anterior regeneration in a planarian species with limited regenerative potential SIKES, J.M.*; NEWMARK, P.A.; University of San Francisco; Howard Hughes Medical Institute, University of Illinois jsikes@usfca.edu Why can some animals, but not others, regenerate missing tissues? Based on their amazing regenerative abilities, planarians have become important models for understanding […]

Meeting Abstract 99.3  Sunday, Jan. 6  Predation response of Vibrio fischeri biofilms to protozoan bacteriovores CHAVEZ, A.A.*; GORMAN, C.; ERKEN, M.; MCDOUGALD, D.; STEINBERG, P.D.; NISHIGUCHI, M.K.; New Mexico State University; New Mexico State University; University of New South Wales; University of New South Wales; University of New South Wales; New Mexico State University nish@nmsu.edu Vibrio fischeri […]

Meeting Abstract 99.2  Sunday, Jan. 6  Expression of Wnt pathway genes in Ectopleura larynx (Hydrozoa: Aplanulata) and implications for their potential role in hydrozoan life cycle evolution NAWROCKI, A.M.*; CARTWRIGHT, P.; Pomona College, Claremont, CA; University of Kansas, Lawrence, KS annarocky@gmail.com The canonical Wnt signaling pathway is conserved in its role in axial patterning throughout Metazoa. In […]

Meeting Abstract 99.1  Sunday, Jan. 6  Deciphering the evolutionary history and developmental mechanisms of a complex sexual ornament: the abdominal appendages of Sepsidae (Diptera) BOWSHER, J H*; ANG, Y; FERDERER, T; MEIER, R; North Dakota State University; National University of Singapore; North Dakota State University; National University of Singapore julia.bowsher@ndsu.edu Male abdomen appendages are a novel trait […]

Meeting Abstract 99.4  Sunday, Jan. 6  A single origin for nymphalid butterfly eyespots followed by widespread loss of associated gene expression OLIVER, J. C.; TONG, X.; GALL, L.; PIEL, W. H.; MONTEIRO, A.*; Yale University; Yale University; Yale University; Yale University; Yale University antonia.monteiro@yale.edu Understanding how novel complex traits originate involves investigating the time of origin of […]

Meeting Abstract 99.2  Monday, Jan. 6 13:45  miRNAs in hemichordate development GRAY, J.*; FREEMAN, JR. , R.M.; GERHART, J.; KIRSCHNER, M.W.; Harvard Medical School; Harvard Medical School; University of California, Berkeley; Harvard Medical School jessica_gray@hms.harvard.edu miRNAs act as post-transcriptional regulators of gene expression networks in a number of developmental processes, and multiple evolutionary expansions of miRNAs are […]

Meeting Abstract 99.6  Monday, Jan. 6 14:45  Understanding Translational Regulation Using the Model System Drosophila KANKE, MR*; MACDONALD, PM; University of Texas at Austin; University of Texas at Austin matthew.r.kanke@gmail.com Translational regulation of localized RNAs is crucial for development across the animal kingdom. In the model system Drosophila, proper regulation of localized mRNAs is essential for patterning […]

Meeting Abstract 99.5  Monday, Jan. 6 14:30  Temporal and spatial expression of the Frizzled gene family in a spiral-cleaving embryo BASTIN, B.R.*; CHOU, H.; PRUITT, M.M.; SCHNEIDER, S.Q.; Iowa State University; Iowa State University; Iowa State University; Iowa State University brbastin@iastate.edu Wnt signal transduction pathways are highly conserved in most metazoans and involved in many developmental processes […]

Meeting Abstract 99.4  Monday, Jan. 6 14:15  Selective nuclearization of beta-catenin is sufficient to induce formation of a normal pluteus embryo from ectodermal precursors BYRUM, CA*; WIKRAMANAYAKE, AH; College of Charleston, Charleston, SC; University of Miami, Miami, FL byrumc@cofc.edu In metazoans, canonical Wnt signaling is critical for formation of the primary body axis. Translocation of beta-catenin to […]

Meeting Abstract 99.1  Monday, Jan. 6 13:30  Posterior axis elongation without segmentation: insights into the origins of the bilaterian trunk FRITZENWANKER, J.H.*; LOWE, C.J.; Hopkins Marine Station of Stanford University jhfritzenwanker@web.de One common feature of bilaterian animals is their anteroposterior (AP) axis which is divided into two major regions; the head and the trunk. In many groups […]