The Department of Biological Sciences at the University of Montana engages with the study of living systems, revealing the fundamental principles that govern the complexity of cells and system ecology. Research and creative scholarship by the faculty of the Department includes studies into conserving rare species; signal transduction; protein trafficking; immunology; cellular lifespan; genetics of behavior; molecular mechanisms of diseases; ecology and evolution; functional morphology; and evolutionary genomics.

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Submissions from 2009

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Bushmeat Poaching Reduces the Seed Dispersal and Population Growth Rate of a Mammal-Dispersed Tree, Jedidiah F. Brodie, Olga E. Helmy, Warren Y. Brockelman, and John L. Maron

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Functional Differences Within a Guild of Tropical Mammalian Frugivores, Jedidiah F. Brodie, Olga E. Helmy, Warren Y. Brockelman, and John L. Maron

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Common Garden Comparisons of Native and Introduced Plant Populations: Latitudinal Clines Can Obscure Evolutionary Inferences, Robert I. Colautti, John L. Maron, and Spencer C.H. Barrett

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Transition state structures and the roles of catalytic residues in GAP-facilitated GTPase of Ras as elucidated by (18)O kinetic isotope effects, Xinlin Du and Stephen R. Sprang

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Fluctuating Asymmetry in Elk Cervus Elaphus Antlers is Unrelated to Environmental Conditions in the Greater Yellowstone Ecosystem, Scott L. Eggeman, Mark Hebblewhite, Julie Cunningham, and Ken Hamlin

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Linking Wildlife Populations with Ecosystem Change: State-of-the-Art Satellite Ecology for National-Park Science, Mark Hebblewhite

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Ecological Facilitation May Drive Major Evolutionary Transitions, Zaal Kikvidze and Ragan M. Callaway

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E Unibus Plurum: Genomic Analysis of an Experimentally Evolved Polymorphism in Escherichia Coli, Margie A. Kinnersley, William E. Holben, and Frank Rosenzweig

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A Continent-Wide Clone: Population Genetic Variation of the Invasive Plant Hieracium Aurantiacum (Orange Hawkweed; Asteraceae) in North America, Eli S. Loomis and Lila Fishman

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What Drives Long-Distance Dispersal? A Test of Theoretical Predictions, Winsor H. Lowe

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Bar-Coded Pyrosequencing Reveals Shared Bacterial Community Properties Along the Temperature Gradients of Two Alkaline Hot Springs in Yellowstone National Park, Scott R. Miller, Aaron L. Strong, Kenneter L. Jones, and Mark C. Ungerer

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Ecological Specialization in a Spatially Structured Population of the thermophilic Cyanobacterium Mastigocladus Laminosus, Scott R. Miller, Carin Williams, Aaron L. Strong, and Darla Carvey

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Pestilence, persistence and pathogenicity: infection strategies of Bartonella, Michael F. Minnick and James M. Battisti

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Empirical Testing of 16S rRNA Gene PCR Primer Pairs Reveals Variance in Target Specificity and Efficacy Not Suggested by in Silico Analysis, Sergio E. Morales and William E. Holben

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Structural basis for inhibition of mammalian adenylyl cyclase by calcium, Tung-Chung Mou, Nanako Masada, Dermot M. Cooper, and Stephen R. Sprang

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Geographical Patterning of Sixteen Goat Breeds from Italy, Albania and Greece Assessed by Single Nucleotide Polymorphisms, Lorraine Pariset, Antonella Cuteri, Christina Ligda, Alessio Valentini, and ECONOGENE Consortium

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Landscape Genomics and Biased Fst Approaches Reveal Single Nucleotide Polymorphisms under Selection in Goat Breeds of North-East Mediterranean, Lorraine Pariset, Stephane Joost, Paolo Ajmone Marsan, Alessio Valentini, and ECONOGENE Consortium

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Function, Regulation, and Transcriptional Organization of the Hemin Utilization Locus of Bartonella Quintana, Nermi L. Parrow, Jasmin Abbott, Amanda R. Lockwood, James M. Battisti, and Michael F. Minnick

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Differential interactions of the catalytic subunits of adenylyl cyclase with forskolin analogs, Cibele Pinto, Melanie Hübner, Andreas Gille, Mark Richter, Tung-Chung Mou, Stephen R. Sprang, and Roland Seifert

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A Unique Group I Intron in Coxiella Burnetii is a Natural Splice Mutant, Rahul Raghavan, Linda D. Hicks, and Michael F. Minnick

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Group I Introns and Inteins: Disparate Origins But Convergent Parasitic Strategies, Rahul Raghavan and Michael F. Minnick

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Desulfovibrio idahonensis sp. nov., sulfatereducing bacteria isolated from a metal(loid)-contaminated freshwater sediment, H. Sass, S. Ramamoorthy, C. Yarwood, H. Langner, P. Schumann, R. M. Kroppenstedt, S. Spring, and R. Frank Rosenzweig

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Evidence for the Evolution of Reduced Mycorrhizal Dependence During Plant Invasion, Elizabeth K. Seifert, James D. Bever, and John L. Maron

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Differential Inhibition of Various Adenylyl Cyclase Isoforms and Soluble Guanylyl Cyclase by 2',3'-O-(2,4,6-Trinitrophenyl)-Substituted Nucleoside 5'-Triphosphates, Srividya Suryanarayana, Martin Göttle, Melanie Hübner, Andreas Gille, Tung-Chung Mou, Stephen R. Sprang, Mark Richter, and Roland Seifert

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Plasma Testosterone Correlates with Morph Type Across Breeding Substages in Male White-Throated Sparrows, M. B. Swett and Creagh W. Breuner

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Ontogeny and Individual Variation in the Adrenocortical Response of Zebra Finch (Taeniopygia Guttata) Nestlings, Haruka Wada, Katrina G. Salvante, Emily Wagner, Tony D. Williams, and Creagh W. Breuner

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Intersubunit Interactions Modulate pH-Induced Activation of Membrane Fusion by the Junín Virus Envelope Glycoprotein GPC, Joanne York and Jack H. Nunberg

Submissions from 2008

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LOSITAN: A Workbench to Detect Molecular Adaptation Based on a Fst-Outlier Method, Tiago Antao, Ana Lopes, Ricardo J. Lopes, Albano Beja-Pereira, and Gordon Luikart

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Extant or Extinct? White-Tailed Jack Rabbits and Yellowstone's Food Web, Joel Berger

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Undetected Species Losses, Food Webs, and Ecological Baselines: a Cautionary Tale from the Greater Yellowstone Ecosystem, USA, Joel Berger

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Protecting Migration Corridors: Challenges and Optimism for Mongolian Saiga, Joel Berger, Julie K. Young, and Kim Murray Berger

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Indirect Effects and Traditional Trophic Cascades: a Test Involving Wolves, Coyotes, and Pronghorn, Kim Murray Berger, Eric M. Gese, and Joel Berger

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Novel Weapons: Invasive Plant Suppresses Fungal Mutualists in America but not in its Native Europe, Ragan M. Callaway, Don Cipollini, Kathryn Barto, Giles C. Thelen, STeven G. Hallett, Daniel Prati, Kristina Stinson, and John Klironomos

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Recognition of the activated states of Galpha13 by the rgRGS domain of PDZRhoGEF, Zhe Chen, William D. Singer, Shahab M. Danesh, Paul C. Sternweis, and Stephen R. Sprang

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A method to determine 18 O kinetic isotope effects in the hydrolysis of nucleotide triphosphates, Xinlin Du, Kurt Ferguson, Robert Gregory, and Stephen R. Sprang

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Scientific Review for the Identification of Critical Habitat for Woodland Caribou (Rangifer tarandus caribou), Boreal Population, in Canada, Mark Hebblewhite and Environment Canada

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The Ecological Importance of Severe Wildfires: Some Like it Hot, Richard L. Hutto

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What Constitutes a Natural Fire Regime? Insight from the Ecology and Distribution of Coniferous Forest Birds in North America, Richard L. Hutto, Courtney J. Conway, Victoria A. Saab, and Jeffrey R. Walters

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Phytotoxic Effects of (+/-)-Catechin in Vitro, in Soil, and in the Field, Inderjit, Jarrod L. Pollock, Ragan M. Callaway, and William E. Holben

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An Invader Differentially Affects Leaf Physiology of Two Natives Across a Gradient in Diversity, Pamela Kittelson, John L. Maron, and Marilyn Marler

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Effects of Native Species Diversity and Resource Additions on Invader Impact, John L. Maron and Marilyn Marler

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Weed-Biocontrol Insects Reduce Native-Plant Recruitment Through Second-Order Apparent Competition, Dean E. Pearson and Ragan M. Callaway

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Toxic Introns and Parasitic Intein in Coxiella Burnetii: Legacies of a Promiscuous Past, Rahul Raghavan, Linda D. Hicks, and Michael F. Minnick

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No Evidence for Trade-Offs: Centaurea Plants from America are Better Competitors and Defenders, Wendy M. Ridenour, Jorge M. Vivanco, Yulong Feng, Jun-Ichiro Horiuchi, and Ragan M. Callaway

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Ric-8A catalyzes guanine nucleotide exchange on G alphai1 bound to the GPR/GoLoco exchange inhibitor AGS3, Celestine J. Thomas, Gregory G. Tall, Anirban Adhikari, and Stephen R. Sprang

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Is the Effect of Forest Structure on Bird Diversity Modified by Forest Productivity?, Jacob P. Verschuyl, Andrew J. Hansen, David B. McWethy, Rex Sallabanks, and Richard L. Hutto

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Transient Elevation of Corticosterone Alters Begging Behavior and Growth of White-Crowned Sparrow Nestlings, Haruka Wada and Creagh W. Breuner

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II. Correlations between secondary structure stability and mutation frequency during somatic hypermutation, Barbara E. Wright, Karen H. Schmidt, Nick Davis, Aaron T. Hunt, and Michael F. Minnick

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I. VH gene transcription creates stabilized secondary structures for coordinated mutagenesis during somatic hypermutation, Barbara E. Wright, Karen H. Schmidt, Michael F. Minnick, and Nick Davis

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pH-Induced Activation of Arenavirus Membrane Fusion is antagonized by Small-Molecule Inhibitors, Joanne York, Dongcheng Dai, Sean M. Amberg, and Jack H. Nunberg

Submissions from 2007

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Bitopic Membrane Topology of the Stable Signal Peptide in the Tripartite Junin Virus Gp-C Envelope Glycoprotein Complex, Sudhakar S. Agnihothram, Joanne York, Meg Trahey, and Jack H. Nunberg

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Filling Key Gaps in Population and Community Ecology, Anurag A. Agrawal, David D. Ackerly, Fred Adler, A. Elizabeth Arnold, Carla Cáceres, Daniel F. Doak, Eric Post, Peter J. Hudson, John L. Maron, Kailen A. Mooney, Mary Power, Doug Schemske, Jay Stachowicz, Sharon Strauss, Monica G. Turner, and Earl Werner

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HIV-2 RNA Dimerization is Regulated by Intramolecular Interactions in Vitro, Tayyba T. Baig, Jean-Marc Lanchy, and J. Stephen Lodmell

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Transcriptional Regulation of the Heme Binding Protein Gene Family of Bartonella Quintana is Accomplished by a Novel Promoter Element and Iron Response Regulator, James M. Battisti, Laura S. Smitherman, Kate N. Sappington, Nermi L. Parrow, Rahul Raghavan, and Michael F. Minnick

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Proteomic and Immunoblot Analyses of Bartonella Quintana Total Membrane Proteins Identify Antigens Recognized by Sera from Infected Patients, Jenni K. Boonjakuakul, Helen L. Gerns, Yu-Ting Chen, Linda D. Hicks, Michael F. Minnick, Scott E. Dixon, Steven C. Hall, and Jane E. Koehler

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High Rates of Sulfate Reduction in a Low-Sulfate Hot Spring Microbial Mat are Driven by a Low Level of Diversity of Sulfate-Respiring Microorganisms, Jesse G. Dillon, Susan Fishbain, Scott R. Miller, Brad M. Bebout, Kristen S. Habicht, Samuel M. Webb, and David A. Stahl

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Conditions for Caribou Persistence in the Wolf-Elk-Caribou Systems of the Canadian Rockies, Mark Hebblewhite, Jesse Whittington, Mark Bradley, Geoff Skinner, Alan Dibb, and Clifford A. White

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An Extended Stem-Loop 1 is Necessary for Human Immunodeficiency Virus Type 2 Replication and Affects Genomic RNA Encapsidation, Jean-Marc Lanchy and J. Stephen Lodmell

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Free-Living Male Mountain White-Crowned Sparrows Exhibit Territorial Aggression Without Modulating Total or Free Plasma Testosterone, Sharon E. Lynn, Thomas P. Hahn, and Creagh W. Breuner

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Native Plant Diversity Resists Invasion at both Low and High Resource Levels, John L. Maron and Marilyn Marler

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Phylogeography of the thermophilic Cyanobacterium Mastigocladus Laminosus, Scott R. Miller, Richard W. Castenholz, and Deana Pedersen

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Direct and Interactive Effects of Enemies and Mutualists on Plant Performance: a Meta-Analysis, William F. Morris, Ruth A. Hufbauer, Anurag A. Agrawal, James D. Bever, Victoria A. Borowicz, Gregory S. Gilbert, John L. Maron, Charles E. Mitchell, Ingrid M. Parker, Alison G. Power, Mark E. Torchin, and Diego P. Vázquez

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The Unusual 23S rRNA Gene of Coxiella Burnetii: Two Self-Splicing Group I Introns Flank a 34-Base-Pair Exon, and One Element Lacks the Canonical Omega G, Rahul Raghavan, Scott R. Miller, Linda D. Hicks, and Michael F. Minnick

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Concordance of Nuclear and Mitochondrial DNA Markers in Detecting a Founder Event in Lake Clark Sockeye Salmon, Kristina M. Ramstad, Carol Ann Woody, Chris Habicht, G. Kevin Sage, James E. Seeb, and Fred W. Allendorf

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Is Selectively Harvested Forest an Ecological Trap for Olive-Sided Flycatchers?, Bruce A. Robertson and Richard L. Hutto

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Structural biology: a receptor unlocked, Stephen R. Sprang

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Structural basis of effector regulation and signal termination in heterotrimeric Galpha proteins, Stephen R. Sprang, Zhe Chen, and Xinlin Du

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Additive and Synergistic Bactericidal Activity of Antibodies Directed Against Minor Outer Membrane Proteins of Neisseria Meningitidis, Vincent E. Weynants, Christiane M. Feron, Karine K. Goraj, Martine P. Bos, Philippe A. Denoeal, Vincent G. Verlant, Jan Tommassen, Ian R. A. Peak, Ralph C. Judd, Michael P. Jennings, and Jan T. Poolman

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Climate, Hydrologic Disturbance, and Succession: Drivers of Floodplain Pattern, Diane C. Whited, Mark S. Lorang, Mary J. Harner, F. Richard Hauer, John S. Kimball, and Jack Arthur Stanford

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A Novel Zinc-Binding Domain is Essential for Formation of the Functional Junin Virus Envelope Glycoprotein Complex, Joanne York and Jack H. Nunberg

Submissions from 2006

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Role of the Stable Signal Peptide and Cytoplasmic Domain of G2 in Regulating Intracellular Transport of the Junín Virus Envelope Glycoprotein Complex, Sudhakar S. Agnihothram, Joanne York, and Jack H. Nunberg

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Environmental Signals Generate a Differential and Coordinated Expression of the Heme Receptor Gene Family of Bartonella Quintana, James M. Battisti; Kate N. Sappington; Laura S, Smitherman; Nermi L. Parrow; and Michael F. Minnick

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Facilitation by Pinus Flexilis During Succession: a Hierarchy of Mechanisms Benefits Other Plant Species, Dayna Baumeister and Ragan M. Callaway

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Mutations Conferring Aminoglycoside and Spectinomycin Resistance in Borrelia Burgdorferi, Daniel Criswell, Virginia L. Tobiason, J. Stephen Lodmell, and D. Scott Samuels

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What Use is Half a Wing in the Ecology and Evolution of Birds?, Kenneth P. Dial, Ross J. Randall, and Terry R. Dial

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Estimating Detection Probablities of River Birds Using Double Surveys, Robert J. Fletcher Jr. and Richard L. Hutto

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Frequent Fire Alters Nitrogen Transformations in Ponderosa Pine Stands of the Inland Northwest, Thomas H. Gremer and Anna Sala

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Disturbance Facilitates Invasion: The Effects are Stronger Abroad than at Home, José L. Hierro, Diego Villarreal, Özkan Eren, Jon M. Graham, and Ragan M. Callaway

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The Effects of Postfire Salvage Logging on Cavity-Nesting Birds, Richard L. Hutto and Susan M. Gallo

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Northern Region Landbird Monitoring Program: A USFS-University of Montana Partnership Designed to Provide Both Short-term and Long-term Feedback for Land Managers, Richard L. Hutto and Skip Kowalski

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Time for International Policies on Biological Invasions, Inderjit, Ragan M. Callaway, and Shalini Kaushik

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Consumers Limit the Abundance and Dynamics of a Perennial Shrub with a Seed Bank, Matthew J. Kauffman and John L. Maron

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Unexpected Diversity and Complexity of the Guerrero Negro Hypersaline Microbial Mat, Ruth E. Ley, J. Kirk Harris, Joshua Wilcox, John R. Spear, Scott R. Miller, Brad M. Bebout, Julia A. Maresca, Donald A. Bryant, Mithcell L. Sogin, and Norman R. Pace

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APPL1 Associates with TrkA and GIPC1 and is Required for Nerve Growth Factor-Mediated Signal Transduction, D. C. Lin, C. Quevedo, N. E. Brewer, A. Bell, J. R. Testa, Mark L. Grimes, F. D. Miller, and D. R. Kaplan

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Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander, Winsor H. Lowe, Gene E. Likens, Mark A. McPeek, and Don C. Buso

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Linking Scales in Stream Ecology, Winsor H. Lowe, Gene E. Likens, and Mary E. Power

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An Introduced Predator Alters Aleutian Island Plant Communities by Thwarting Nutrient Subsidies, John L. Maron, James A. Estes, Donald A. Croll, Eric M. Danner, Sarah C. Elmendorf, and Stacey L. Buckelew

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Habitat-Specific Impacts of Multiple Consumers on Plant Population Dynamics, John L. Maron and Matthew J. Kauffman

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Molecular Population Genetics and Phenotypic Diversification of Two Populations of the thermophilic Cyanobacterium Mastigocladus Laminosus, Scott R. Miller, Michael D. Purugganan, and Stephanie E. Curtis

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Broad specificity of mammalian adenylyl cyclase for interaction with 2',3'-substituted purine- and pyrimidine nucleotide inhibitors, Tung-Chung Mou, Andreas Gille, Srividya Suryanarayana, Mark Richter, Roland Seifert, and Stephen R. Sprang

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Oligomerization of Hepatitis C Virus Core Protein is Crucial for Interaction with the Cytoplasmic Domain of E1 Envelope Protein, Kousuke Nakai, Toru Okamoto, Tomomi Kimura-Someya, Koji Ishii, Chang Kweng Lim, Hideki Tani, Eiko Matsuo, Takayuki Abe, Yoshio Mori, Tetsuro Suzuki, Tatsuo Miyamura, Jack H. Nunberg, Kohji Moriishi, and Yoshiharu Matsuura

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Desulfosporosinus lacus sp. nov., a sulfate-reducing bacterium isolated from pristine freshwater lake sediments, S. Ramamoorthy, H. Sass, H. Langner, P. Schumann, R. M. Kroppenstedt, S. Spring, J. Overmann, and R. Frank Rosenzweig

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Invasion Through Quantitative Effects: Intense Shade Drives Native Decline and Invasive Success, Kurt O. Reinhart, Julie Gurnee, Reyes Tirado, and Ragan M. Callaway

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A Framework for Understanding Ecological Traps and an Evaluation of Existing Evidence, Bruce A. Robertson and Richard L. Hutto

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Occurrence, Persistence, and Expansion of Saltcedar (Tamarix Spp.) Populations in the Great Plains of Montana, Jason P. Sexton, Anna Sala, and Kevin Murray

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Invasive Plant Suppresses the Growth of Native Tree Seedlings by Disrupting Belowground Mutualisms, Kristina A. Stinson, Stuart A. Campbell, Jeff R. Powell, Benjamin E. Wolfe, Ragan M. Callaway, Giles C. Thelen, Steven G. Hallett, Daniel Prati, and John N. Klironomos

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Stress Responses in Tropical Sparrows: Comparing Tropical and Temperate Zonotrichia, Haruka Wada, Ignacio T. Moore, Creagh W. Breuner, and John C. Wingfield

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Mechanisms of Genotoxin-Induced Transcription and Hypermutation in p53, Barbara E. Wright, Jacqueline Reimers, Karen Schmidt, Evan Burkala, Ping Wei, and Ping Wei

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Role of the Stable Signal Peptide of Junín Arenavirus Envelope Glycoprotein in pH-Dependent Membrane Fusion, Joanne York and Jack H. Nunberg

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mBet3p is Required for Homotypic Copii Vesicle Tethering in Mammalian Cells, Sidney Yu, Ayano Satoh, Marc Pypaert, Karl Mullen, Jesse C. Hay, and Susan Ferro-Novick