Seawater acidification rather than warming a significant challenge for two common Antarctic macroalgal-associated amphipods

Meeting Abstract 87-2  Wednesday, Jan. 6 10:30  Seawater acidification rather than warming a significant challenge for two common Antarctic macroalgal-associated amphipods SCHRAM, J.B.*; SCHOENROCK, K.M.; MCCLINTOCK, J.B.; AMSLER, C.D.; ANGUS, R.A.; Univ. of Alabama at Birmingham; Univ. of Alabama at Birmingham; Univ. of Alabama at Birmingham; Univ. of Alabama at Birmingham; Univ. of Alabama at Birmingham jbschram@uab.edu […]

Population level differences in thermal sensitivity of energy assimilation

Meeting Abstract 87-3  Wednesday, Jan. 6 10:45  Population level differences in thermal sensitivity of energy assimilation. CLAY, T.A.*; GIFFORD, M.E.; Univ. of Arkansas at Little Rock; Univ. of Central Arkansas taclay@ualr.edu Previous work has shown that among species of terrestrial salamanders, thermal performance metrics are correlated with average environmental conditions. Species with large ranges usually encompass a […]

The heart-field specification gene regulatory network kernel was in place in the cnidarian-bilaterian ancestor

Meeting Abstract 86-6  Wednesday, Jan. 6 11:45  The heart-field specification gene regulatory network kernel was in place in the cnidarian-bilaterian ancestor WIJESENA, N.M*; SIMMONS, D.K.; MARTINDALE, M.Q.; Whitney Laboratory for Marine Bioscience naveenw@whitney.ufl.edu Gene regulatory networks (GRNs) consisting of functional linkages between regulatory genes and their cis-regulatory modules determine the development of animal body plans. Given the […]

Postembryonic redeployment of otd during adult head formation underlies the developmental evolution of novel head structures in horned beetles

Meeting Abstract 86-1  Wednesday, Jan. 6 10:30  Postembryonic redeployment of otd during adult head formation underlies the developmental evolution of novel head structures in horned beetles ZATTARA, EE*; LINZ, DM; TOMOYASU, Y; MOCZEK, AP; Indiana U; Miami U; Miami U; Indiana U ezattara@gmail.com https://www.researchgate.net/profile/Eduardo_Zattara Arthropods are formed by segments whose identities are determined by hox genes, but […]

Molecular characterization of cryptic gut regionalization in trophically divergent cichlids from Lake Malawi

Meeting Abstract 86-3  Wednesday, Jan. 6 11:00  Molecular characterization of cryptic gut regionalization in trophically divergent cichlids from Lake Malawi CASS, AN*; ROBERTS, RB; North Carolina State University amanda_cass@ncsu.edu Cichlid fishes of the East African rift lakes are well known for their explosive speciation and dramatic phenotypic diversity. These radiations are characterized by a wide array of […]

HoxD expression in the fin-fold compartment of Paddlefish and Catshark Implications for the evolution of gnathostome paired appendages

Meeting Abstract 86-5  Wednesday, Jan. 6 11:30  HoxD expression in the fin-fold compartment of Paddlefish and Catshark: Implications for the evolution of gnathostome paired appendages TULENKO, F.J.*; MASSEY, J.L.; DAVIS, M.C.; Kennesaw State University; University of Colorado-Boulder; Kennesaw State University ftulenk1@kennesaw.edu How paired fins gave rise to limbs during the invasion of land is one of the […]

Hox Cluster Annotation and Axial Elongation of the Gulf Pipefish

Meeting Abstract 86-4  Wednesday, Jan. 6 11:15  Hox Cluster Annotation and Axial Elongation of the Gulf Pipefish FUITEN, A.M.*; BASSHAM, S.L.; CATCHEN, J.M.; SMALL, C.M.; JONES, A.G.; CRESKO, W.A.; Inst. of Ecology & Evolution, Univ. of Oregon, Eugene; Inst. of Ecology & Evolution, Univ. of Oregon, Eugene; Dept. of Animal Biology, Univ. of Illinois, Urbana-Champaign; Inst. of […]

Discovering the genetic basis for morphological differentiation of deutocerebral appendages across arthropods

Meeting Abstract 86-2  Wednesday, Jan. 6 10:45  Discovering the genetic basis for morphological differentiation of deutocerebral appendages across arthropods SHARMA, PP*; JONES, TE; WHELER, WC; EXTAVOUR, CG; University of Wisconsin-Madison; Harvard University; American Museum of Natural History; Harvard University psharma37@wisc.edu http://www.sharmalabuw.org The deutocerebral (second) segment of the head is putatively homologous across Arthropoda. In Mandibulata, this segment […]

Visual acuity in fish the effects of eye morphology, environment, and ecology

Meeting Abstract 85-3  Wednesday, Jan. 6 10:45  Visual acuity in fish: the effects of eye morphology, environment, and ecology CAVES, EM*; BRANDLEY, NC; JOHNSEN, S; Duke University; Colorado College; Duke University eleanor.caves@duke.edu Fish use their visual systems for a variety of tasks (capturing prey, detecting predators, schooling, and courtship) that require them to resolve an image; however, […]

The perks of being cock-eyed Orientation and visual characteristics of histioteuthid squids

Meeting Abstract 85-1  Wednesday, Jan. 6 10:15  The perks of being cock-eyed: Orientation and visual characteristics of histioteuthid squids THOMAS, K.N.*; ROBISON, B.H.; JOHNSEN, S.; Duke University, Durham, NC; Monterey Bay Aquarium Research Institute, Moss Landing, CA; Duke University, Durham, NC kate.thomas@duke.edu The Histioteuthidae are a family of deep-sea oegopsid squids with a striking morphological feature: their […]

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