442 Works

Concerto No. 1, Movement Three. Allegro Energico

Caleb Lambert & Vladislav Blazhevich
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Concerto No. 2, Movement Two. Andante

Caleb Lambert & Vladislav Blazhevich
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Walking Distance (2019)

Peter Naughton & Peter Naughton
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Sweets (2017, rev. 2019)

Peter Naughton & Peter Naughton
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Scenic Route, for solo piano (2007)

Nicha Pimthong & Zachary Stanton
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Three Pieces for piano (2011) - II. Lullaby

Nicha Pimthong & Zachary Stanton
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Five Mazurkas, for piano (2016) - IV. The Fractured Mazurka

Nicha Pimthong & Luke Dahn
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

100 Veränderungen über ein Volkslied, Preludio

Younjung Guan & Eduard Marxsen
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

100 Veränderungen über ein Volkslied, Var. 61 - 70

Younjung Guan & Eduard Marxsen
This project was completed for the Doctor of Music Arts degree at the University of Iowa School of Music.

Research Revisited: Cognitive Effects of Greek Affiliation in College: Additional Evidence

Ernest T. Pascarella, Lamont Flowers & Elizabeth J. Whitt

Data from: Validation of serum neurofilaments as prognostic & potential pharmacodynamic biomarkers for ALS

Michael Benatar, Lanyu Zhang, Lily Wang, Volkan Granit, Jeffrey Statland, Richard Barohn, Andrea Swenson, John Ravitz, Carlayne Jackson, Ted Burns, Jaya Trivedi, Erik Pioro, James Caress, Jonathan Katz, Jacob McCauley, Rosa Rademakers, Andrea Malaspina, Lyle Ostrow & Joanne Wuu
Objective. Identify preferred neurofilament assays, and clinically validate serum NfL and pNfH as prognostic and potential pharmacodynamic biomarkers relevant to ALS therapy development. Methods. Prospective, multi-center, longitudinal observational study of patients with ALS (n=229), primary lateral sclerosis (PLS, n=20) and progressive muscular atrophy (PMA, n=11). Biological specimens were collected, processed and stored according to strict standard operating procedures (SOPs) 1. Neurofilament assays were performed in a blinded manner by independent contract research organizations (CROs). Results....

Data from: Male phenotypes in a female framework: evidence for degeneration in sperm produced by male snails from asexual lineages

Joseph Jalinsky, John Logsdon & Maurine Neiman
How changes in selective regimes affect trait evolution is an important open biological question. We take advantage of naturally occurring and repeated transitions from sexual to asexual reproduction in a New Zealand freshwater snail species, Potamopyrgus antipodarum, to address how evolution in an asexual content— including the potential for relaxed selection on male-specific traits— influences sperm morphology. The occasional production of male offspring by the otherwise all-female asexual P. antipodarum lineages affords a unique and...

Data from: Sex in the wild: how and why field-based studies contribute to solving the problem of sex

Maurine Neiman, Patrick Gerardus Meirmans, Tanja Schwander & Stephanie Meirmans
Why and how sexual reproduction is maintained in natural populations, the so-called “queen of problems”, is a key unanswered question in evolutionary biology. Recent efforts to solve the problem of sex have often emphasized results generated from laboratory settings. Here, we use a survey of representative “sex in the wild” literature to review and synthesize the outcomes of empirical studies focused on natural populations. Especially notable results included relatively strong support for mechanisms involving niche...

Data from: De novo transcriptome characterization of a sterilizing trematode parasite (Microphallus sp.) from two species of New Zealand snails

Laura Bankers & Maurine Neiman
Snail-borne trematodes represent a large, diverse, and evolutionarily, ecologically, and medically important group of parasites, often imposing strong selection on their hosts and causing host morbidity and mortality. Even so, there are very few genomic and transcriptomic resources available for this important animal group. We help to fill this gap by providing transcriptome resources from trematode metacercariae infecting two congeneric snail species, Potamopyrgus antipodarum and P. estuarinus. This genus of New Zealand snails has gained...

Data from: The quantitative genetics of incipient speciation: heritability and genetic correlations of skeletal traits in populations of diverging Favia fragum ecomorphs.

David B Carlon, Ann F Budd, Catherine Lippé & Rose L Andrew
Recent speciation events provide potential opportunities to understand the microevolution of reproductive isolation. We used a marker-based approach and a common garden to estimate the additive genetic variation in skeletal traits in a system of two ecomorphs within the coral species Favia fragum: a Tall ecomorph that is a seagrass specialist, and a Short ecomorph that is most abundant on coral reefs. Considering both ecomorphs, we found significant narrow-sense heritability (h²) in a suite of...

Data from: Wide variation in ploidy level and genome size in a New Zealand freshwater snail with coexisting sexual and asexual lineages

Maurine Neiman, Dorota Paczesniak, Deanna M Soper, Austin T Baldwin & Gery Hehman
Natural animal populations are rarely screened for ploidy-level variation at a scale that allows detection of potentially important aberrations of common ploidy patterns. This type of screening can be especially important for the many mixed sexual/asexual systems where sexuals are presumed to be dioecious diploids and asexuals are assumed to be triploid and all-female. For example, elevation of ploidy level above triploidy can be a source of genetic variation and raises the possibility of gene...

Data from: Divergence before the host shift? Prezygotic reproductive isolation among three varieties of a specialist fly on a single host plant

Alaine C. Hippee, Maren E. Elnes, Jarod S. Armenta, Marty A. Condon & Andrew A. Forbes
1. Although divergence via host-plant shifting is a common theme in the speciation of some phytophagous insects, it is not clear whether host shifts are typically initiators of speciation or if they instead contribute to divergence events already in progress. While host shifts appear to be generally associated with speciation events for flies in the genus Strauzia, three sympatric varieties of the sunflower fly [Strauzia longipennis (Wiedemann)] co-occur on the same host plant in the...

Data from: Genome-wide association studies in dogs and humans identify ADAMTS20 as a risk variant for cleft lip and palate

Zena T. Wolf, Harrison A. Brand, John R. Shaffer, Elizabeth J. Leslie, Boaz Arzi, Cali E. Willet, Timothy C. Cox, Toby McHenry, Nicole Narayan, Eleanor Feingold, Xioajing Wang, Saundra Sliskovic, Nili Karmi, Noa Safra, Carla Sanchez, Frederic W. B. Deleyiannis, Jeffrey C. Murray, Claire M. Wade, Mary L. Marazita & Danika L. Bannasch
Cleft lip with or without cleft palate (CL/P) is the most commonly occurring craniofacial birth defect. We provide insight into the genetic etiology of this birth defect by performing genome-wide association studies in two species: dogs and humans. In the dog, a genome-wide association study of 7 CL/P cases and 112 controls from the Nova Scotia Duck Tolling Retriever (NSDTR) breed identified a significantly associated region on canine chromosome 27 (unadjusted p=1.1 x 10-13; adjusted...

Data from: Are there age-related differences in the ability to learn configural responses?

Rachel Clark, Michael Freedberg, Eliot Hazeltine & Michelle W. Voss
Age is often associated with a decline in cognitive abilities that are important for maintaining functional independence, such as learning new skills. Many forms of motor learning appear to be relatively well preserved with age, while learning tasks that involve associative binding tend to be negatively affected. The current study aimed to determine whether age differences exist on a configural response learning task, which includes aspects of motor learning and associative binding. Young (M =...

Data from: Parasite resistance predicts fitness better than fecundity in a natural population of the freshwater snail Potamopyrgus antipodarum

Dorota Paczesniak, Kirsten Klappert, Kirstin Kopp, Maurine Neiman, Katri Seppälä, Curtis M. Lively & Jukka Jokela
The cost of males should give asexual females an advantage when in competition with sexual females. In addition, high-fecundity asexual genotypes should have an advantage over low-fecundity clones, leading to reduction in clonal diversity over time. To evaluate fitness components in a natural population, we measured the annual reproductive rate of individual sexual and asexual female Potamopyrgus antipodarum, a New Zealand freshwater snail, in field enclosures that excluded competitors and predators. We used allozyme genotyping...

Abnormal Development of Cerebellar-Striatal Circuitry in Huntington’s Disease: Supplemental Figures

Jordan Schultz, Alexander Tereshchenko, Joel Bruss, Vincent Magnotta, Eric Epping & Peg Nopoulos
Objective: To test the hypothesis that the trajectory of functional connections over time of the striatum and the cerebellum differs between pre-symptomatic patients with the HD gene expansion (GE) and patients with a family history of HD but without the gene-expansion (GNE), we evaluated function MRI data from the Kids-HD study. Methods: We utilized resting-state, functional MRI data from participants in the Kids-HD study between 6 to 18 years old. Participants were divided into the...

Data from: The neuropathic diabetic foot ulcer microbiome is associated with clinical factors.

Sue E. Gardner, Stephen L. Hillis, Kris Heilmann, Julia A. Segre & Elizabeth A. Grice
Nonhealing diabetic foot ulcers (DFUs) are a common and costly complication of diabetes. Microbial burden, or "bioburden," is believed to underlie delayed healing, although little is known of those clinical factors that may influence microbial load, diversity, and/or pathogenicity. We profiled the microbiomes of neuropathic nonischemic DFUs without clinical evidence of infection in 52 individuals using high-throughput sequencing of the bacterial 16S ribosomal RNA gene. Comparatively, wound cultures, the standard diagnostic in the clinic, vastly...

Data from: Sequential divergence and the multiplicative origin of community diversity

Glen R. Hood, Andrew A. Forbes, Thomas H. Q. Powell, Scott P. Egan, Gabriela Hamerlinck, James J. Smith & Jeffrey L. Feder
Understanding how new life forms originate is a central question in biology. Population divergence is usually studied with respect to how single lineages diverge into daughter taxa. However, populations may not always differentiate in isolation; divergence of one taxon could create new niche opportunities in higher trophic levels, leading to the sequential origin of many new taxa. Here, we show that this may be occurring for three species of parasitoid wasps attacking Rhagoletis fruit flies....

Data from: Genetic variation for mitochondrial function in the New Zealand freshwater snail Potamopyrgus antipodarum

Joel Sharbrough, Jennifer L. Cruise, Megan Beetch, Nicole M. Enright & Maurine Neiman
The proteins responsible for mitochondrial function are encoded by two different genomes with distinct inheritance regimes, rendering rigorous inference of genotype–phenotype connections intractable for all but a few model systems. Asexual organisms provide a powerful means to address these challenges because offspring produced without recombination inherit both nuclear and mitochondrial genomes from a single parent. As such, these offspring inherit mitonuclear genotypes that are identical to the mitonuclear genotypes of their parents and siblings and...

Data from: Phylogenomic analyses of Crassiclitellata support major Northern and Southern Hemisphere clades and a Pangaean origin for earthworms

Frank Anderson, Bronwyn Waller Williams, Kevin H. Horn, Christer Erséus, Kenneth M. Halanych, Scott R. Santos & Samuel W. James
Background: Earthworms (Crassiclitellata) are a diverse group of annelids of substantial ecological and economic importance. Earthworms are primarily terrestrial infaunal animals, and as such are probably rather poor natural dispersers. Therefore, the near global distribution of earthworms reflects an old and likely complex evolutionary history. Despite a long-standing interest in Crassiclitellata, relationships among and within major clades remain unresolved. Methods: In this study, we evaluate crassiclitellate phylogenetic relationships using 38 new transcriptomes in combination with...

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