All Stories

  1. Deuterostome Ancestors and Chordate Origins

    Article • Integrative and Comparative Biology, August 2024, Oxford University Press (OUP)

    Professor Billie J. Swalla

  2. Introduction to the 2024 Chordate Origins, Evolution, and Development SICB Symposium

    Article • Integrative and Comparative Biology, August 2024, Oxford University Press (OUP)

    Professor Billie J. Swalla

  3. Pluripotency of a founding field: rebranding developmental biology

    Article • Development, February 2024, The Company of Biologists

    Professor Billie J. Swalla

  4. Reflections on forty years as a female tunicate researcher

    Article • genesis, November 2023, Wiley

    Professor Billie J. Swalla

  5. Loss of collagen gene expression in the notochord of the tailless tunicate Molgula occulta

    Article • Integrative and Comparative Biology, July 2023, Oxford University Press (OUP)

    Professor Billie J. Swalla

  6. The Degenerate Tale of Ascidian Tails

    Article • Integrative and Comparative Biology, June 2021, Oxford University Press (OUP)

    Professor Billie J. Swalla

  7. An Introduction to an Evolutionary Tail: EvoDevo, Structure, and Function of Post-Anal Appendages

    Article • Integrative and Comparative Biology, June 2021, Oxford University Press (OUP)

    Professor Billie J. Swalla

  8. Future Tail Tales: A Forward-Looking, Integrative Perspective on Tail Research

    Article • Integrative and Comparative Biology, May 2021, Oxford University Press (OUP)

    Professor Billie J. Swalla

  9. Transitional chordates and vertebrate origins: Tunicates

    Article • January 2021, Elsevier

    Professor Billie J. Swalla

  10. A cis ‐regulatory change underlying the motor neuron‐specific loss of Ebf expression in immotile tunicate larvae

    Article • Evolution & Development, December 2020, Wiley

    Alberto Stolfi, Professor Billie J. Swalla

  11. Tunicata J. B. Lamarck 1816 [C. B. Cameron and B. J. Swalla], converted clade name

    Article • April 2020, Taylor & Francis

    Professor Billie J. Swalla

  12. A cis-regulatory change underlying the motor neuron-specific loss of terminal selector gene expression in immotile tunicate larvae

    Article • March 2019, Cold Spring Harbor Laboratory Press

    Alberto Stolfi, Professor Billie J. Swalla

  13. Research Infrastructures offer capacity to address scientific questions never attempted before: Are all taxa equal?

    Article • August 2018, PeerJ

    Professor Billie J. Swalla

  14. Getting a Head with Ptychodera flava Larval Regeneration

    Article • Biological Bulletin, June 2018, University of Chicago Press

    Professor Billie J. Swalla

  15. Phylogenomics offers resolution of major tunicate relationships

    Article • Molecular Phylogenetics and Evolution, April 2018, Elsevier

    Professor Billie J. Swalla

  16. Phylogenomics offers resolution of major tunicate relationships

    Article • December 2017, Cold Spring Harbor Laboratory Press

    Professor Billie J. Swalla

  17. ANISEED 2017: extending the integrated ascidian database to the exploration and evolutionary comparison of genome-scale datasets

    Article • Nucleic Acids Research, November 2017, Oxford University Press (OUP)

    Professor Billie J. Swalla

  18. Evolutionary loss of melanogenesis in the tunicate Molgula occulta

    Article • EvoDevo, July 2017, Springer Science + Business Media

    Professor Billie J. Swalla

  19. “I WOULD SWIM 500 MILES”: UNEXPECTED CONNECTIVITY OF NAUTILUS POPULATIONS ACROSS THE INDO-PACIFIC

    Article • January 2017, Geological Society of America

    Professor Billie J. Swalla

  20. Head regeneration in hemichordates is not a strict recapitulation of development

    Article • Developmental Dynamics, October 2016, Wiley

    Professor Billie J. Swalla

  21. The Global Diversity of Hemichordata

    Article • PLoS ONE, October 2016, PLOS

    Professor Billie J. Swalla

  22. The Presence of a Functionally Tripartite Through-Gut in Ctenophora Has Implications for Metazoan Character Trait Evolution

    Article • Current Biology, October 2016, Elsevier

    William Browne, Professor Billie J. Swalla

  23. A revisited phylogeography of Nautilus pompilius

    Article • Ecology and Evolution, June 2016, Wiley

    Professor Billie J. Swalla

  24. Simulating social-ecological systems: the Island Digital Ecosystem Avatars (IDEA) consortium

    Article • GigaScience, March 2016, Oxford University Press (OUP)

    Professor Billie J. Swalla

  25. ANISEED 2015: a digital framework for the comparative developmental biology of ascidians

    Article • Nucleic Acids Research, September 2015, Oxford University Press (OUP)

    Dr Filomena Ristoratore, Professor Billie J. Swalla

  26. The deuterostome ancestor was likely a vermiform worm with gill slits and a central nervous system.

    Article • January 2015, Elsevier

    Professor Billie J. Swalla

  27. Phylogenomic Resolution of the Hemichordate and Echinoderm Clade

    Article • Current Biology, December 2014, Elsevier

    Professor Billie J. Swalla

  28. Metamorphosis in solitary ascidians

    Article • genesis, October 2014, Wiley

    Professor Billie J. Swalla

  29. Guidelines for the nomenclature of genetic elements in tunicate genomes

    Article • genesis, October 2014, Wiley

    Alberto Stolfi, Professor Billie J. Swalla

  30. Evaluating a lightweight transcriptome assembly pipeline on two closely related ascidian species

    Article • September 2014, PeerJ

    Professor Billie J. Swalla

  31. Divergent mechanisms regulate conserved cardiopharyngeal development and gene expression in distantly related ascidians

    Article • eLife, September 2014, eLife

    Professor Billie J. Swalla, Alberto Stolfi, Dr Filomena Ristoratore

  32. The ctenophore genome and the evolutionary origins of neural systems

    Article • Nature, May 2014, Springer Science + Business Media

    Professor Billie J. Swalla

  33. Hemichordate Molecular Phylogeny Reveals a Novel Cold-Water Clade of Harrimaniid Acorn Worms

    Article • Biological Bulletin, December 2013, University of Chicago Press

    Professor Billie J. Swalla

  34. Modern Antarctic acorn worms form tubes

    Article • Nature Communications, November 2013, Springer Science + Business Media

    Professor Billie J. Swalla

  35. Arthur H. Whiteley (1916-2013)

    Article • Molecular Reproduction and Development, July 2013, Wiley

    Professor Billie J. Swalla

  36. MicroRNAs support the monophyly of enteropneust hemichordates

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, May 2013, Wiley

    Professor Billie J. Swalla

  37. Developmental mode influences diversification in ascidians

    Article • Proceedings of the Royal Society B Biological Sciences, April 2013, Royal Society Publishing

    Professor Billie J. Swalla

  38. The Magnitude of Global Marine Species Diversity

    Article • Current Biology, December 2012, Elsevier

    Dr Mark John Costello, Dr. Peter Uetz, Masayuki Osawa, Professor Billie J. Swalla

  39. Ptychoderid Hemichordate Neurulation without a Notochord

    Article • Integrative and Comparative Biology, September 2012, Oxford University Press (OUP)

    Professor Billie J. Swalla

  40. Evolution and development of budding by stem cells: Ascidian coloniality as a case study

    Article • Developmental Biology, September 2012, Elsevier

    Professor Billie J. Swalla

  41. A new metazoan from the Vendian of the White Sea, Russia, with possible affinities to the ascidians

    Article • Paleontological Journal, January 2012, Pleiades Publishing Ltd

    Professor Billie J. Swalla

  42. Phylogeography and reproductive variation of the poecilogonous polychaeteBoccardiaproboscidea(Annelida:Spionidae) along theWestCoast ofNorthAmerica

    Article • Evolution & Development, November 2011, Wiley

    Professor Billie J. Swalla

  43. Boltenia embryos flash an orange crescent

    Article • Molecular Reproduction and Development, October 2011, Wiley

    Professor Billie J. Swalla

  44. Global Diversity of Ascidiacea

    Article • PLoS ONE, June 2011, PLOS

    Professor Billie J. Swalla

  45. Molgula pugetiensis is a Pacific Tailless Ascidian Within the Roscovita Clade of Molgulids

    Article • Biological Bulletin, December 2010, University of Chicago Press

    Professor Billie J. Swalla

  46. Empowering 21st Century Biology

    Article • BioScience, December 2010, Oxford University Press (OUP)

    Professor Billie J. Swalla

  47. First Pacific record of the north Atlantic ascidian Molgula citrina – bioinvasion or circumpolar distribution?

    Article • Aquatic Invasions, December 2010, Regional Euro-Asian Biological Invasions Centre Oy (REABIC)

    Professor Billie J. Swalla

  48. Early lineage specification of long-lived germline precursors in the colonial ascidianBotryllus schlosseri

    Article • Development, October 2009, The Company of Biologists

    Professor Billie J. Swalla

  49. Deciphering deuterostome phylogeny: molecular, morphological, and palaeontological perspectives

    Article • August 2009, Oxford University Press (OUP)

    Professor Billie J. Swalla

  50. Whole body regeneration in a colonial ascidian, Botrylloides violaceus

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, July 2009, Wiley

    Professor Billie J. Swalla

  51. Central nervous system development and regeneration in ptychoderid hemichordates

    Article • Developmental Biology, July 2009, Elsevier

    Professor Billie J. Swalla

  52. Molecular phylogeny of hemichordata, with updated status of deep-sea enteropneusts

    Article • Molecular Phylogenetics and Evolution, July 2009, Elsevier

    Professor Billie J. Swalla

  53. This is how I became interested in evolution and development, a field I eventually helped create.

    Article • Evolution & Development, February 2009, Wiley

    Professor Billie J. Swalla

  54. Regeneration in Hemichordates and Echinoderms

    Article • January 2009, Springer Science + Business Media

    Professor Billie J. Swalla

  55. Chordate origins and evolution

    Article • genesis, November 2008, Wiley

    Professor Billie J. Swalla

  56. Man is but a worm: Chordate origins

    Article • genesis, November 2008, Wiley

    Professor Billie J. Swalla

  57. Anterior regeneration in the hemichordate Ptychodera flava

    Article • Developmental Dynamics, October 2008, Wiley

    Professor Billie J. Swalla

  58. Euro chordates: Ascidian community swims ahead. The 4th International Tunicate meeting in Villefranche sur Mer

    Article • Developmental Dynamics, March 2008, Wiley

    Professor Billie J. Swalla

  59. Deciphering deuterostome phylogeny: molecular, morphological and palaeontological perspectives

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, January 2008, Royal Society Publishing

    Professor Billie J. Swalla

  60. Analysis of large scale expression sequenced tags (ESTs) from the anural ascidian, Molgula tectiformis

    Article • Developmental Biology, July 2007, Elsevier

    Professor Billie J. Swalla

  61. A complement response may activate metamorphosis in the ascidian Boltenia villosa

    Article • Development Genes and Evolution, May 2007, Springer Science + Business Media

    Professor Billie J. Swalla

  62. Development and evolution of chordate cartilage

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, March 2007, Wiley

    Professor Billie J. Swalla

  63. Vasa expression in a colonial ascidian, Botrylloides violaceus

    Article • Evolution & Development, March 2007, Wiley

    Professor Billie J. Swalla

  64. The Hsp90 Capacitor, Developmental Remodeling, and Evolution: The Robustness of Gene Networks and the Curious Evolvability of Metamorphosis

    Article • Critical Reviews in Biochemistry and Molecular Biology, January 2007, Taylor & Francis

    Professor Billie J. Swalla

  65. Building divergent body plans with similar genetic pathways

    Article • Heredity, July 2006, Springer Science + Business Media

    Professor Billie J. Swalla

  66. Evolution and Development of the Chordates: Collagen and Pharyngeal Cartilage

    Article • Molecular Biology and Evolution, November 2005, Oxford University Press (OUP)

    Professor Billie J. Swalla

  67. Nodal signaling and the evolution of deuterostome gastrulation

    Article • Developmental Dynamics, August 2005, Wiley

    Professor Billie J. Swalla

  68. Procurement and Culture of Ascidian Embryos

    Article • January 2004, Elsevier

    Professor Billie J. Swalla

  69. A morphological and genetic characterization of metamorphosis in the ascidian Boltenia villosa

    Article • Development Genes and Evolution, December 2003, Springer Science + Business Media

    Professor Billie J. Swalla

  70. A molecular analysis of ascidian metamorphosis reveals activation of an innate immune response

    Article • Development, October 2002, The Company of Biologists

    Professor Billie J. Swalla

  71. Making Sense of Changing Animal Embryos

    Article • Science, June 2002, American Association for the Advancement of Science

    Professor Billie J. Swalla

  72. Brachyury expression in tailless Molgulid ascidian embryos

    Article • Evolution & Development, May 2002, Wiley

    Professor Billie J. Swalla

  73. Evaluating Hypotheses of Deuterostome Phylogeny and Chordate Evolution with New LSU and SSU Ribosomal DNA Data

    Article • Molecular Biology and Evolution, May 2002, Oxford University Press (OUP)

    Professor Billie J. Swalla

  74. Isolation of genes involved in ascidian metamorphosis: epidermal growth factor signaling and metamorphic competence

    Article • Development Genes and Evolution, April 2001, Springer Science + Business Media

    Professor Billie J. Swalla

  75. Phylogeny of the Urochordates: Implications for Chordate Evolution

    Article • January 2001, Springer Science + Business Media

    Professor Billie J. Swalla

  76. The evolution of anural larvae in molgulid ascidians

    Article • Seminars in Cell and Developmental Biology, December 2000, Elsevier

    Professor Billie J. Swalla

  77. Tunicates have unusual nuclear lamins with a large deletion in the carboxyterminal tail domain

    Article • Gene, September 2000, Elsevier

    Professor Billie J. Swalla

  78. Evolution of the chordate body plan: New insights from phylogenetic analyses of deuterostome phyla

    Article • Proceedings of the National Academy of Sciences, April 2000, Proceedings of the National Academy of Sciences

    Professor Billie J. Swalla

  79. Urochordates Are Monophyletic Within the Deuterostomes

    Article • Systematic Biology, January 2000, Oxford University Press (OUP)

    Professor Billie J. Swalla

  80. Evolution of the ascidian anural larva: evidence from embryos and molecules

    Article • Molecular Biology and Evolution, May 1999, Oxford University Press (OUP)

    Professor Billie J. Swalla

  81. A multigene locus containing the Manx and bobcat genes is required for development of chordate features in the ascidian tadpole larva

    Article • Development, April 1999, The Company of Biologists

    Professor Billie J. Swalla

  82. Introduction to the Symposium: The Evolution of Development Patterns and Process

    Article • American Zoologist, September 1998, Oxford University Press (OUP)

    Professor Billie J. Swalla

  83. Before the backbone

    Article • Trends in Ecology & Evolution, June 1997, Elsevier

    Professor Billie J. Swalla

  84. The origin and evolution of animal appendages

    Article • Proceedings of the National Academy of Sciences, May 1997, Proceedings of the National Academy of Sciences

    Dr Beverley Sherbon, Professor Billie J. Swalla

  85. Requirement of the Manx Gene for Expression of Chordate Features in a Tailless Ascidian Larva

    Article • Science, November 1996, American Association for the Advancement of Science

    Professor Billie J. Swalla

  86. Mechanism of an Evolutionary Change in Muscle Cell Differentiation in Ascidians with Different Modes of Development

    Article • Developmental Biology, March 1996, Elsevier

    Professor Billie J. Swalla

  87. A Maternal RNA Localized in the Yellow Crescent Is Segregated to the Larval Muscle Cells during Ascidian Development

    Article • Developmental Biology, August 1995, Elsevier

    Professor Billie J. Swalla

  88. Multiple origins of anural development in ascidians inferred from rDNA sequences

    Article • Journal of Molecular Evolution, April 1995, Springer Science + Business Media

    Professor Billie J. Swalla

  89. Heterochronic expression of an adult muscle actin gene during ascidian larval development

    Article • Developmental Genetics, January 1994, Wiley

    Professor Billie J. Swalla

  90. Mechanisms of gastrulation and tail formation in ascidians

    Article • Microscopy Research and Technique, November 1993, Wiley

    Professor Billie J. Swalla

  91. Novel genes expressed differentially in ascidians with alternate modes of development

    Article • Development, October 1993, The Company of Biologists

    Professor Billie J. Swalla

  92. An ankryin-like protein in ascidian eggs and its role in the evolution of direct development

    Article • Zygote, August 1993, Cambridge University Press

    Professor Billie J. Swalla

  93. Factors necessary for restoring an evolutionary change in an anural ascidian embryo

    Article • Developmental Biology, October 1992, Elsevier

    Professor Billie J. Swalla

  94. Evolution of alternate modes of development in ascidians

    Article • BioEssays, April 1992, Wiley

    Professor Billie J. Swalla

  95. Vestigial Brain Melanocyte Development During Embryogenesis of an Anural Ascidian

    Article • Embryologia, February 1992, Wiley

    Professor Billie J. Swalla

  96. An evolutionary change in the muscle lineage of an anural ascidian embryo is restored by interspecific hybridization with a urodele ascidian

    Article • Developmental Biology, June 1991, Elsevier

    Professor Billie J. Swalla

  97. Identification of a cytoskeletal protein localized in the myoplasm of ascidian eggs: localization is modified during anural development

    Article • Development, February 1991, The Company of Biologists

    Professor Billie J. Swalla

  98. Interspecific hybridization between an anural and urodele ascidian: Differential expression of urodele features suggests multiple mechanisms control anural development

    Article • Developmental Biology, December 1990, Elsevier

    Professor Billie J. Swalla

  99. Mechanism of Dorsoventral Axis Determination in the Ascidian Embryo

    Article • January 1990, Springer Science + Business Media

    Professor Billie J. Swalla

  100. Patterns of Gene Expression During Ascidian Development

    Article • January 1990, Springer Science + Business Media

    Professor Billie J. Swalla

  101. Interspecific hybridization between direct and indirect developing ascidinas

    Article • Cell Differentiation and Development, August 1989, Elsevier

    Professor Billie J. Swalla

  102. Analysis of type II collagen RNA localization in chick wing buds by in situ hybridization

    Article • Developmental Biology, January 1988, Elsevier

    Professor Billie J. Swalla

  103. The independence of myogenesis and chondrogenesis in micromass cultures of chick wing buds

    Article • Developmental Biology, July 1986, Elsevier

    Professor Billie J. Swalla

  104. Developmental significance of a cortical cytoskeletal domain in Chaetopterus eggs

    Article • Developmental Biology, October 1985, Elsevier

    Professor Billie J. Swalla

  105. Inhibition of limb chondrogenesis by fibronectin

    Article • Differentiation, June 1984, Elsevier

    Professor Billie J. Swalla

  106. Epithelial enhancement of connective tissue differentiation in explanted somites

    Article • Development, February 1984, The Company of Biologists

    Professor Billie J. Swalla

  107. Two distinct classes of prechondrogenic cell types in the embryonic limb bud

    Article • Developmental Biology, May 1983, Elsevier

    Professor Billie J. Swalla