Faculty publications from the Biology Department at Gettysburg College.

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2023

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Dopamine Injections to the Midbrain Periaqueductal Gray Inhibit Vocal-Motor Production in a Teleost Fish, Alexander Allen, Elizabeth Heisler, and James Matthew Kittelberger

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Warmer Temperature Overrides the Effects of Antidepressants on Amphibian Metamorphosis and Behavior, Peter Fong, Aylin Doganoglu, Eleanor Sandt, and Sierra Turbeville

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Evidence That Bivalve Burrowing Is Mediated by Serotonin Receptors: Activation of Foot Inflation and Protrusion by Serotonin, Serotonergic Ligands and SSRI-Type Antidepressants in Three Species of Freshwater Bivalve, Peter P. Fong, Rebecca Blaszczyk, Mary Butler, and Jake Stergio

Genomic and Phenotypic Signatures of Bacteriophage Coevolution with the Phytopathogen Pseudomonas syringae, Catherine A. Hernandez, Veronique A. Delesalle, Gregory P. Krukonis, Jenna M. DeCurzio, and Britt Koskella

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A Novel Subcluster of Closely Related Bacillus Phages with Distinct Tail Fiber/Lysin Gene Combinations, Rachel E. Loney, Veronique A. Delesalle, Brianne E. Chaudhry, Megan Czerpak, Alexandra A. Guffey, Leo Goubet-McCall, Michael McCarty, Madison S. Strine, Natalie T. Tanke, Albert C. Vill, and Gregory P. Krukonis

Bacillus subtilis Phages Related to SIOphi from Desert Soils of the Southwest United States, Leigh H. Magness, Veronique A. Delesalle, Albert C. Vill, Madison S. Strine, Brianne E. Chaudhry, Katherine B. Lichty, Alexandra A. Guffey, Jenna M. DeCurzio, and Gregory P. Krukonis

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Mixed-Species Assemblages and Disease: the Importance of Differential Vector and Parasite Attraction in Transmission Dynamics, Paula A. Trillo, Ximena E. Bernal, and Richard J. Hall

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Comparative Genomics of Bacillus subtilis Phages Related to phiNIT1 from Desert Soils of the Southwest United States, Albert C. Vill, Veronique A. Delesalle, Leigh H. Magness, Brianne E. Chaudhry, Katherine B. Lichty, Madison S. Strine, Alexandra A. Guffey, Jenna M. DeCurzio, and Gregory P. Krukonis

2022

Beyond Sound: Bimodal Acoustic Calls Used in Mate-Choice and Aggression by Red-Eyed Treefrogs, Michael S. Caldwell, Kayla A. Britt, Lilianna C. Mischke, and Hannah I. Collins

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Forty Years without Family: Three Novel Bacteriophages with High Similarity to SPP1 Reveal Decades of Evolutionary Stasis since the Isolation of Their Famous Relative, Veronique A. Delesalle, Brianne E. Tomko, Albert C. Vill, Katherine B. Lichty, and Gregory P. Krukonis

Multi-Night Territorial Behavior, Chorus Attendance, and Mating Success in Red-Eyed Treefrogs, Ryan P. Dougherty, Rachael M. Pulica, and Michael S. Caldwell

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Cold Shock Induces a Terminal Investment Reproductive Response in C. elegans, Leah Gulyas and Jennifer R. Powell

Mid-Flight Prey Switching in the Fringed-Lipped Bat (Trachops cirrhosus), Ciara E. Kernan, Alexandra M. Yiambilis, Zowie E. Searcy, Rachael M. Pulica, R. A. Page, and Michael S. Caldwell

Algae on the Brain in Bioengineering, Ryan R. Kerney, Matthew A. Cherubino, and Zoe Bender

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Ca2+ Entry Units in a Superfast Fish Muscle, James Matthew Kittelberger, Clara Franzini-Armstrong, and Simona Boncompagni

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Complete Genome Sequences of Two Temperate Bacillus subtilis Phages Isolated at Tumamoc Hill Desert Laboratory, Gregory P. Krukonis, Amanda K. Kemp, Katie F. Storrie, Vivian R. Chavira, Hayden W. Lantrip, Victoria D. Perez, Desiree A. Reyes, Julian A. Truax, Rachel Loney, and Veronique A. Delesalle

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Developmental Basis of Evolutionary Lung Loss in Plethodontid Salamanders, Zachary R. Lewis, Ryan R. Kerney, and James Hanken

Screening Salamanders for Symbionts, Elli Vickers and Ryan R. Kerney

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Comparative Genomics of Six Lytic Bacillus subtilis Phages from the Southwest United States, Albert C. Vill, Veronique A. Delesalle, Brianne E. Tomko, Katherine B. Lichty, Madison S. Strine, Alexandra A. Guffey, Elizabeth A. Burton, Natalie T. Tanke, and Gregory P. Krukonis

Organismal and Cellular Interactions in Vertebrate–Alga Symbioses, Hui Yang, Baptiste Genot, Solange Duhamel, Ryan R. Kerney, and John A. Burns

2021

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Diversity and substrate-specificity of green algae and other micro-eukaryotes colonizing amphibian clutches in Germany, revealed by DNA metabarcoding, Sten Anslan, Maria Sachs, Lois Rancilhac, Henner Brinkmann, Jörn Petersen, Sven Künzel, Anja Schwarz, Hartmut Arndt, Ryan R. Kerney, and Miguel Vences

The Flowering of Ecology: Maria Sibylla Merian's Caterpillar Book, Kay Etheridge

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Developing Inside a Layer of Germs—A Potential Role for Multiciliated Surface Cells in Vertebrate Embryos, Ryan R. Kerney

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Complete Genome Sequence of the Pantoea Phage AH07, Gregory P. Krukonis, Sam J. Roth, and Veronique A. Delesalle

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Complete Genome Sequences of Four Phages of the Horse Chestnut Phyllosphere, Gregory P. Krukonis, Sam J. Roth, and Veronique A. Delesalle

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Genome Sequences of Erwinia Phyllophages AH04 and AH06, Gregory P. Krukonis, Sam J. Roth, and Veronique A. Delesalle

2020

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Heterotrophic Carbon Fixation in a Salamander-alga Symbiosis, John A. Burns, Ryan Kerney, and Solange Duhamel

2019

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Leonardo and the Whale, Kay Etheridge

Short-Term Exposure to Tricyclic Antidepressants Delays Righting Time in Marine and Freshwater Snails with Evidence for Low-Dose Stimulation of Righting Speed by Imipramine, Peter P. Fong, Kelsey E. Dipenta, Sarahrose M. Jonik, and Courtney D. Ward

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Predicting the Future: Parental Progeny Investment in Response to Environmental Stress Cues, Leah Gulyas and Jennifer R. Powell

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Co-Cultures of Oophila Amblystomatis Between Ambystoma Maculatum and Ambystoma Gracile Hosts Show Host-Symbiont Fidelity, Ryan R. Kerney, Jasper S. Leavitt, Elizabeth M. Hill, Huanjia Zhang, Eunsoo Kim, and John Burns

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The Influence of Signaling Conspecific and Heterospecific Neighbors on Eavesdropper Pressure, Paula A. Trillo, Christopher S. Benson, Michael S. Caldwell, Tiffany L. Lam, Oliver H. Pickering, and David M. Logue

2018

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Characterization of Pax3 and Sox10 Transgenic Xenopus Laevis Embryos as Tools to Study Neural Crest Development, Mansour Alkobtawi, Heather Ray, Elias H. Barriga, Mauricio Moreno, Ryan R. Kerney, Anne-Helene Monsoro-Burq, Jean-Pierre Saint-Jeannet, and Roberto Mayor

Exposure to the Antifouling chemical Medotomidine Slows Development, Reduces Body Mass, and Delays Metamorphosis in Wood Frog (Lithobates Sylvaticus) Tadpoles, Janine M. Barr, Julia R. Palmucci, Olivia J. Lambert, and Peter P. Fong

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Algae Living in Salamanders, Friend or Foe?, John Burns and Ryan R. Kerney

Differential Sensitivity to the Antifouling Chemical Medetomidine Between Wood Frog and American Toad Tadpoles with Evidence for Low-dose Stimulation and High-dose Inhibition of Metamorphosis, Peter P. Fong, Olivia J. Lambert, Margot L. Hoagland, and Emily R. Kurtz

Adaptive Changes in Sexual Signalling in Response to Urbanization, Wouter H. Halfwek, Michiel Blaas, Lars Kramer, Nadia Hijner, Paula A. Trillo, Ximena E. Bernal, Rachel A. Page, Sandra Goutte, Michael J. Ryan, and Jacintha Ellers

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Early Limb Patterning in the Direct‐Developing Salamander Plethodon Cinereus Revealed by Sox9 and Col2a1, Ryan R. Kerney, James Hanken, and David C. Blackburn

Regulation of Neural Crest Development by the Formin Family Protein Daam1, Olga Ossipova, Ryan R. Kerney, Jean‐Pierre Saint‐Jeannet, and Sergei Y. Sokol

Prevalence of Group I Salmonella Kentucky in Domestic Food Animals from Pennsylvania and Overlap with Human Clinical CRISPR Sequence Types, Hallie E. Rauch, Dorothy M. Vosik, Subhashinie Kariyawasam, Nkuchia M’ikanatha, and Nikki Shariat

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High-Resolution Identification of Multiple Salmonella Serovars in a Single Sample by Using CRISPR-SeroSeq, Cameron P. Thompson, Alexandra N. Doak, Naufa Amirani, Erin A. Schroeder, Justin Wright, Subhashinie Kariyawasam, Regina Lamendella, and Nikki Shariat

CRISPR Typing and Antibiotic Resistance Correlates with Polyphyletic Distribution in Human Isolates of Salmonella Kentucky, Dorothy M. Vosik, Deepanker Tewari, Lisa Dettinger, Nkuchia M. M'ikanatha, and Nikki Shariat

2017

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Transciptome Analysis Illuminates the Nature of the Intracellular Interaction in a Vertebrate-Algal Symbiosis, John A. Burns, Huanjia Zhang, Elizabeth M. Hill, Eunsoo Kim, and Ryan R. Kerney

The Prospects of Artificial Endosymbioses, Ryan R. Kerney, Zakiya N. Whatley, Sarah N. Rivera, and David Hewitt

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Probing for Binding Regions of the FtsZ Protein Surface through Site-Directed Insertions: Discovery of Fully Functional FtsZ-Fluorescent Proteins, Desmond A. Moore, Zakiya N. Whatley, Chandra P. Joshi, Masaki Osawa, and Harold P. Erickson

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Comparative Postembryonic Skeletal Ontogeny in Two Sister Lineages of Old World Tree Frogs (Rhacophoridae: Taruga, Polypedates), Gayani Senevirathne, Ryan R. Kerney, and Madhava Meegaskumbura

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Differential Uptake of Gold Nanoparticles by 2 Species of Tadpole, the Wood Frog (Lithobates Sylvaticus) and the Bullfrog (Lithobates Catesbeianus), Lucas B. Thompson, Gerardo L.F. Carfagno, Kurt Andresen, Andrea J. Sitton, Taylor B. Bury, Laura L. Lee, Kevin T. Lerner, and Peter P. Fong

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Mating Patterns and Post-Mating Isolation in Three Cryptic Species of the Engystomops Petersi Species Complex, Paula A. Trillo, Andrea E. Narvaez, Santiago R. Ron, and Kim L. Hoke

2016

Tongue and Taste Organ Development in the Ontogeny of Direct-Developing Salamander Plethodon Cinereus (Lissamphibia: Plethodontidae), Karolina Budzik, Krystyna Żuwała, and Ryan R. Kerney

Inherent Directionality Determines Spatial Release from Masking at the Tympanum in a Vertebrate with Internally Coupled Ears, Michael S. Caldwell, Norman Lee, and Mark A. Bee

Testing Hypotheses for the Presence of the tRNA Genes in Mycobacteriophage Genomes, Veronique A. Delesalle, Natalie T. Tanke, Albert C. Vill, and Gregory P. Krukonis

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Review of "Eye of Newt and Toe of Frog, Adder’s Fork and Lizards’ Leg, the Lore and Mythology of Amphibians and Reptiles", Kay Etheridge

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The Biology of Metamorphosis Insectorum Surinamensium, Kay Etheridge

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The History and Influence of Maria Sibylla Merian's Bird-Eating Tarantula: Circulating Images and the Production of Natural Knowledge, Kay Etheridge

Exposure to SSRI-type Antidepressants Increases Righting Time in the Marine Snail Ilyanassa Obsoleta, Peter P. Fong, Taylor B. S. Bury, Elizabeth E. Donovan, Olivia J. Lambert, Julia R. Palmucci, and Stephanie K. Adamczak

Long-term Exposure to Gold Nanoparticles Accelerates Larval Metamorphosis Without Affecting Mass in Wood Frogs (Lithobates sylvaticus) at Environmentally Relevant Concentrations, Peter P. Fong, Lucas B. Thompson, Gerardo L.F. Carfagno, and Andrea J. Sitton

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Long-term Recovery from Acute Cold Shock in Caenorhabditis Elegans, Joseph D. Robinson and Jennifer R. Powell

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Unearthing the Fossorial Tadpoles of the Indian Dancing Frog Family Micrixalidae, Gayani Senevirathne, Sonali Garg, Ryan R. Kerney, Madhava Meegaskumbura, and S. D. Biju

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From Clinging to Digging: The Postembryonic Skeletal Ontogeny of the Indian Purple Frog, Nasikabatrachus sahyadrensis (Anura: Nasikabatrachidae), Gayani Senevirathne, Ashish Thomas, Ryan R. Kerney, James Hanken, S. D. Biju, and Madhava Meegaskumbura

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Course-based Science Research Promotes Learning in Diverse Students at Diverse Institutions, Nancy L. Staub, Lawrence S. Blumer, Christopher W. Beck, Veronique A. Delesalle, Gerald D. Griffin, Robert B. Merritt, Bettye Sue Hennington, Wendy H. Grillo, Gail P. Hollowell, Sandra L. White, and Catherine M. Mader

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Collateral Damage or Shadow of Safety? The Effects of Signaling Heterospecific Neighbours on the Risks of Parasitism and Predation, Paula A. Trillo, Ximena E. Bernal, Michael S. Caldwell, Wouter H. Halfwek, Mallory O. Wessel, and Rachel A. Page

2015

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Revised Distribution for Otomops martiensseni (Chiroptera: Molossidae) in Southern Africa, Rick A. Adams, Frank J. Bonaccorso, and John R. Winkelmann

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The Ecology of the Raupen Books, Kay Etheridge

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Maria Sibylla Merian (1647-1717): Pioneering Naturalist, Artist, and Inspiration for Catesby, Kay Etheridge and Florence F.J.M. Pieters

The Antidepressants Venlafaxine (“Effexor”) and Fluoxetine (“Prozac”) Produce Different Effects on Locomotion in Two Species of Marine Snail, The Oyster Drill (Urosalpinx cinerea) and the Starsnail (Lithopoma americanum), Peter P. Fong, Taylor B. Bury, Abigail D. Dworkin-Brodsky, Christina M. Jasion, and Rose C. Kell

The Effects of Antidepressants Appear to be Rapid and at Environmentally Relevant Concentrations, Alex T. Ford and Peter P. Fong

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A Newly Discovered Bordetella Species Carries a Transcriptionally Active CRISPR-Cas with a Small Cas9 Endonuclease, Yury V. Ivanov, Nikki Shariat, Karen B. Register, Bodo Linz, Israel Rivera, Kai Hu, Edward G. Dudley, and Eric T. Harvill

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The Conserved G-Protein Coupled Receptor FSHR-1 Regulates Protective Host Responses to Infection and Oxidative Stress, Elizabeth V. Miller, Leah N. Grandi, Jennifer A. Giannini, Joseph D. Robinson, and Jennifer R. Powell

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Whole Genome Comparison of a Large Collection of Mycobacteriophages Reveals a Continuum of Phage Genetic Diversity, Welkin H. Pope, Charles A. Bowman, Daniel A. Russell, Deborah Jacobs-Sera, David J. Asai, Steven G. Cresawn, William R. Jacobs, Roger W. Hendrix, Jeffrey G. Lawrence, Graham F. Hatfull, Veronique A. Delesalle, and Gregory P. Krukonis

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Mutations that Separate the Functions of the Proofreading Subunit of the Escherichia coli Replicase, Zakiya Whatley and Kenneth N. Kreuzer

2014

Foraging Movements of Epauletted Fruit Bats (Pteropodidae) in Relation to the Distribution of Sycamore Figs (Moraceae) in Kruger National Park, South Africa, Frank J. Bonaccorso, John R. Winkelmann, Christopher M. Todd, and Adam C. Miles

Growth Inhibition of Tadpoles Exposed to Sertraline in the Presence of Conspecifics, Gerardo L.F. Carfagno and Peter P. Fong

The Biological Effects of Antidepressants on the Molluscs and Crustaceans: A Review, Peter P. Fong and Alex T. Ford

Sexually-Dimorphic Expression of Tyrosine Hydroxylase Immunoreactivity in the Brain of a Vocal Teleost Fish (Porichthys notatus), Geraldine K.E. Goebrecht, Robert A. Kowtoniuk, Brenda G. Kelly, and James Matthew Kittelberger

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Phylogenetic Analysis of Algal Symbionts Associated with Four North American Amphibian Egg Masses, Eunsoo Kim, Yuan Lin, Ryan R. Kerney, Lili Blumenberg, and Cory Bishop

Pseudomonas aeruginosa PA14 Pathogenesis in Caenorhabditis elegans, Natalia V. Kirienko, Brent O. Cezairliyan, Frederick M. Ausubel, and Jennifer R. Powell

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Cluster M Mycobacteriophages Bongo, PegLeg, and Rey with Unusually Large Repertoires of tRNA Isotopes, Welkin H. Pope, Kirk R. Anders, Madison Baird, Charles A. Bowman, Michelle M. Boyle, Gregory W. Broussard, Tiffany Chow, Kari L. Clase, Shannon Cooper, Kathleen A. Cornely, Randall J. DeJong, Veronique A. Delesalle, Lisa Deng, David Dunbar, Nicholas P. Edgington, Christina M. Ferreira, Kathleen Weston Hafer, Grant A. Hartzog, J. Robert Hatherill, Lee E. Hughes, Khristina Ipapo, Gregory P. Krukonis, Christopher G. Meier, Denise L. Monti, Matthew R. Olm, Shallee T. Page, Craig L. Peebles, Claire A. Rinehart, Michael R. Rubin, Daniel A. Russell, Erin R. Sanders, Morgan Schoer, Christopher D. Shaffer, James Wherley, Edwin Vazquez, Han Yuan, Daiyuan Zhang, Steven G. Cresawn, Deborah Jacobs-Sera, Roger W. Hendrix, and Graham F. Hatfull

2013

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Leonardo and the Whale, Kay Etheridge

Antidepressants Cause Foot Detachment from Substrate in Five Species of Marine Snail, Peter P. Fong and Nikolett Molnar

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Germline Transgenic Methods for Tracking Cells and Testing Gene Function During Regeneration in the Axolotl, Shahryar Khattak, Maritta Schuez, Tobias Richter, Dunja Knapp, Saori L. Haigo, Tatiana Sandoval-Guzmán, Kristyna Hradlikova, Annett Duemmler, Ryan R. Kerney, and Elly M. Tanaka

Vocal-Motor and Auditory Connectivity of the Midbrain Periaqueductal Gray in a Teleost Fish, James Matthew Kittelberger and Andrew H. Bass

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The Deletion of the Bre1 Gene in Aspergillus nidulans Impairs Mitotic Growth, Meiosis, and DNA Damage Repair, Andrea J. Sitton and Steven W. James

2012

Antidepressants (Venlafaxine and Citalopram) Cause Foot Detachment from the Substrate in Freshwater Snails at Environmentally Relevant Concentrations, Peter Fong and Caitlin Hoy

Do Larval Traits Re-Evolve? Evidence from the Embryogenesis of a Direct-Developing Salamander (Plethodon Cinereus), Ryan R. Kerney, David C. Blackburn, Hendrick Müller, and James Hanken

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Cartilage on the Move: Cartilage Lineage Tracing During Tadpole Metamorphosis, Ryan R. Kerney, Alison L. Brittain, Brian K. Hall, and Daniel R. Buchholz

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Toxic Effects of Copper, Cadmium, and Methoxychlor Shown by Neutral Red Retention Assay in Two Species of Freshwater Molluscs, Nikolett Molnar and Peter Fong

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Conserving Our Cultural Heritage: The Role of Fungi in Biodeterioration, Hanna Szczepanowska and A. R. Cavaliere

Latitudinal Variation in Thermal Ecology of North American Ratsnakes and its Implications for the Effect of Climate Warming on Snakes, Patrick Weatherhead, Jinelle Sperry, Gerardo L.F. Carfagno, and Gabriel Blouin-Demers

2011

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Maria Sibylla Merian and the Metamorphosis of Natural History, Kay Etheridge

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Maria Sibylla Merian: The first ecologist?, Kay Etheridge

2010

Defining the Dolphin, Kay Etheridge

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Maria Sibylla Merian's Frogs, Kay Etheridge

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Latitudinal Variation in Seasonal Activity and Mortality in Ratsnakes (Elaphe obsoleta), Jinelle H. Sperry, Gabriel Blouin-Demers, Gerardo L.F. Carfagno, and Patrick J. Weatherhead

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Linking Snake Behavior to Nest Predation in a Midwestern Bird Community, Patrick J. Weatherhead, Gerardo L.F. Carfagno, Jinelle H. Sperry, Jeffrey D. Brawn, and Scott K. Robinson

2009

Review of Engaging with Nature: Essays on the Natural World in Medieval and Early Modern Europe, Kay Etheridge

2007

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Loathsome Beasts: Images of Reptiles and Amphibians in Art and Science, Kay Etheridge

2004

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Seed Mass and Morphology in Outcrossing and Selfing Species of Clarkia (Onagraceae): An SEM Study, Jennifer L. Knies, Veronique A. Delesalle, and A. R. Cavaliere

1993

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Thyroxine-induced Changes in Metabolic Rate and Cytochrome Oxidase Activity in Thamnophis sirtalis: Effects of Nutritional Status, Kay Etheridge

1991

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The Role of Steroids in Reproduction in Female Elasmobranchs and Reptiles, Ian P. Callard, Kay Etheridge, Georgia Giannoukos, Theresa Lamb, and Lorelei Perez

1990

The Energetics of Estivating Sirenid Salamanders, Kay Etheridge