Search Results - "Swalla, B J"

An Introduction to an Evolutionary Tail: EvoDevo, Structure, and Function of Post-Anal Appendages by Schwaner, M J, Hsieh, S T, Swalla, B J, McGowan, C P

“…Synopsis Although tails are common and versatile appendages that contribute to evolutionary success of animals in a broad range of ways, a scientific synthesis…”
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Building divergent body plans with similar genetic pathways by Swalla, B J

“…Deuterostome animals exhibit widely divergent body plans. Echinoderms have either radial or bilateral symmetry, hemichordates include bilateral enteropneust…”
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Future Tail Tales: A Forward-Looking, Integrative Perspective on Tail Research by Schwaner, M J, Hsieh, S T, Braasch, I, Bradley, S, Campos, C B, Collins, C E, Donatelli, C M, Fish, F E, Fitch, O E, Flammang, B E, Jackson, B E, Jusufi, A, Mekdara, P J, Patel, A, Swalla, B J, Vickaryous, M, McGowan, C P

“…Abstract Synopsis Tails are a defining characteristic of chordates and show enormous diversity in function and shape. Although chordate tails share a common…”
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Requirement of the Manx Gene for Expression of Chordate Features in a Tailless Ascidian Larva by Swalla, Billie J., Jeffery, William R.

“…An evolutionary change in development was studied in two closely related ascidian species, one exhibiting a conventional tadpole larva and the other a modified…”
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Evolution of the ascidian anural larva: evidence from embryos and molecules by Jeffery, W R, Swalla, B J, Ewing, N, Kusakabe, T

“…Most ascidians pass through a tadpole (urodele) larval stage, although some species have derived a tailless (anural) larva. New insights into the evolution of…”
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A new metazoan from the Vendian of the White Sea, Russia, with possible affinities to the ascidians by Fedonkin, M. A., Vickers-Rich, P., Swalla, B. J., Trusler, P., Hall, M.

“…Two specimens recovered from late Neoproterozoic shallow marine sediments of northern Russia may be the oldest known ascidians. Dated at around 555 Ma, these,…”
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Evolution of the Chordate Body Plan: New Insights from Phylogenetic Analyses of Deuterostome Phyla by Cameron, Chris B., Garey, James R., Swalla, Billie J.

“…The deuterostome phyla include Echinodermata, Hemichordata, and Chordata. Chordata is composed of three subphyla, Vertebrata, Cephalochordata (Branchiostoma),…”
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A molecular analysis of ascidian metamorphosis reveals activation of an innate immune response by Davidson, Brad, Swalla, Billie J

“…Ascidian metamorphosis represents a powerful model for comparative work on chordate development that has remained largely unexplored. We isolated transcripts…”
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Evaluating hypotheses of deuterostome phylogeny and chordate evolution with new LSU and SSU ribosomal DNA data by Winchell, Christopher J, Sullivan, Jack, Cameron, Christopher B, Swalla, Billie J, Mallatt, Jon

“…We investigated evolutionary relationships among deuterostome subgroups by obtaining nearly complete large-subunit ribosomal RNA (LSU rRNA)-gene sequences for…”
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Novel genes expressed differentially in ascidians with alternate modes of development by SWALLA, B. J, MAKABE, K. W, SATOH, N, JEFFERY, W. R

“…We have used a subtractive procedure to isolate cDNA clones encoding genes expressed differentially in ascidian species with alternate modes of development…”
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Urochordates Are Monophyletic Within the Deuterostomes by Swalla, Billie J., Cameron, Chris B., Corley, Laura S., Garey, James R., Olmstead, R.

“…Understanding the phylogenetic relationships of the three major urochordate groups within the deuterostomes is central to understanding the evolution of the…”
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Interspecific hybridization between an anural and urodele ascidian: Differential expression of urodele features suggests multiple mechanisms control anural development by Swalla, Billie J., Jeffery, William R.

“…Anural development in the ascidian Molgula occulta was examined using tissue-specific markers and interspecific hybridization. Unlike most ascidians, which…”
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Ptychoderid Hemichordate Neurulation without a Notochord by Luttrell, S., Konikoff, C., Byrne, A., Bengtsson, B., Swalla, B. J.

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The Origin and Evolution of Animal Appendages by Panganiban, Grace, Irvine, Steven M., Lowe, Chris, Roehl, Henry, Corley, Laura S., Sherbon, Beverley, Grenier, Jennifer K., Fallon, John F., Kimble, Judith, Walker, Muriel, Wray, Gregory A., Swalla, Billie J., Martindale, Mark Q., Carroll, Sean B.

“…Animals have evolved diverse appendages adapted for locomotion, feeding and other functions. The genetics underlying appendage formation are best understood in…”
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Factors necessary for restoring an evolutionary change in an anural ascidian embryo by Jeffery, William R., Swalla, Billie J.

“…The ascidian Molgula oculata has a tailed (or urodele) larva, whereas Molgula occulta develops directly via a tailless (or anural) embryo. Interspecific hybrid…”
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Identification of a cytoskeletal protein localized in the myoplasm of ascidian eggs: localization is modified during anural development by SWALLA, B. J, BADGETT, M. R, JEFFERY, W. R

“…The myoplasm of ascidian eggs is a localized cytoskeletal domain that is segregated to presumptive larval tail muscle cells during embryonic development. We…”
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Epithelial enhancement of connective tissue differentiation in explanted somites by SWALLA, B. J, SOLURSH, M

“…This paper examines the differentiation of somites from stage-16 or -17 chick embryos cultured with or without notochord in explant cultures. Histological…”
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Tunicates have unusual nuclear lamins with a large deletion in the carboxyterminal tail domain by Riemer, Dieter, Wang, Jian, Zimek, Alexander, Swalla, Billie J., Weber, Klaus

“…Lamins are essential proteins of metazoa. They give rise to the nuclear lamina lining the nucleoplasmic face of the inner nuclear membrane. Here we report the…”
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The evolution of anural larvae in molgulid ascidians by Huber, Jennifer L., da Silva, Karen Burke, Bates, William R, Swalla, Billie J.

“…Ascidians are urochordates, marine invertebrates with non-feeding motile chordate tadpole larvae, except in the family Molgulidae. Urodele, or tailed,…”
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Isolation of genes involved in ascidian metamorphosis: epidermal growth factor signaling and metamorphic competence by Davidson, B, Swalla, B J

“…Although embryonic development in ascidians has been studied for over a century, the signals involved in coordinating post-larval development and metamorphosis…”
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