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Articles 571 - 600 of 10789
Full-Text Articles in Entire DC Network
Top-Down Control Of Ammonia Oxidizers By Grazing In The North Pacific, Silin Ni, Min Nina Xu, Moge Du, Edward A. Laws, Shuh Ji Kao
Top-Down Control Of Ammonia Oxidizers By Grazing In The North Pacific, Silin Ni, Min Nina Xu, Moge Du, Edward A. Laws, Shuh Ji Kao
Faculty Publications
The impact of grazing pressure on ammonia oxidizers (AO) has never been quantified in the field. Here we develop a new method to quantify the grazing rates on AO in aquatic systems. We introduce 15NH4+ tracer into the traditional dilution experiments to measure AO's apparent growth rates by using the end-product of 15NH4+ oxidation, that is, 15NOx−. Field studies in the North Pacific revealed that 15NOx− in the end-product was sensitive enough to detect AO's grazing rates. Experiments from the lower euphotic zone showed NH4+ replete growth rates of 0.40 …
Complexity Of Avian Evolution Revealed By Family-Level Genomes, Josefin Stiller, Shaohong Feng, Al Aabid Chowdhury, Iker Rivas-González, David A. Duchêne, Qi Fang, Yuan Deng, Alexey Kozlov, Alexandros Stamatakis, Santiago Claramunt, Jacqueline M.T. Nguyen, Simon Y.W. Ho, Brant C. Faircloth, Julia Haag, Peter Houde, Joel Cracraft, Metin Balaban, Uyen Mai, Guangji Chen, Rongsheng Gao, Chengran Zhou, Yulong Xie, Zijian Huang, Zhen Cao, Zhi Yan, Huw A. Ogilvie, Luay Nakhleh, Bent Lindow, Benoit Morel, Jon Fjeldså, Peter A. Hosner, Rute R. Da Fonseca, Bent Petersen
Complexity Of Avian Evolution Revealed By Family-Level Genomes, Josefin Stiller, Shaohong Feng, Al Aabid Chowdhury, Iker Rivas-González, David A. Duchêne, Qi Fang, Yuan Deng, Alexey Kozlov, Alexandros Stamatakis, Santiago Claramunt, Jacqueline M.T. Nguyen, Simon Y.W. Ho, Brant C. Faircloth, Julia Haag, Peter Houde, Joel Cracraft, Metin Balaban, Uyen Mai, Guangji Chen, Rongsheng Gao, Chengran Zhou, Yulong Xie, Zijian Huang, Zhen Cao, Zhi Yan, Huw A. Ogilvie, Luay Nakhleh, Bent Lindow, Benoit Morel, Jon Fjeldså, Peter A. Hosner, Rute R. Da Fonseca, Bent Petersen
Faculty Publications
Despite tremendous efforts in the past decades, relationships among main avian lineages remain heavily debated without a clear resolution. Discrepancies have been attributed to diversity of species sampled, phylogenetic method and the choice of genomic regions1–3. Here we address these issues by analysing the genomes of 363 bird species4 (218 taxonomic families, 92% of total). Using intergenic regions and coalescent methods, we present a well-supported tree but also a marked degree of discordance. The tree confirms that Neoaves experienced rapid radiation at or near the Cretaceous–Palaeogene boundary. Sufficient loci rather than extensive taxon sampling were more effective …
Hydrodynamic And Biochemical Impacts On The Development Of Hypoxia In The Louisiana-Texas Shelf - Part 1: Roles Of Nutrient Limitation And Plankton Community, Yanda Ou, Z. George Xue
Hydrodynamic And Biochemical Impacts On The Development Of Hypoxia In The Louisiana-Texas Shelf - Part 1: Roles Of Nutrient Limitation And Plankton Community, Yanda Ou, Z. George Xue
Faculty Publications
A three-dimensional coupled hydrodynamic-biogeochemical model with multiple nutrient and plankton functional groups was developed and adapted to the Gulf of Mexico to investigate the role of nutrients and the complexity of plankton community in dissolved oxygen (DO) dynamics. A 15-year hindcast was achieved covering the period of 2006-2020. Extensive model validation against in situ data demonstrates that the model was capable of reproducing vertical distributions of DO and spatial distributions of bottom DO concentration, as well as their interannual variations. The study demonstrates that bottom DO dynamics and hypoxia evolution are significantly influenced by both physical processes and local biochemistry, …
Trophic Interactions In Microbiomes Influence Plant Host Population Size And Ecosystem Function, Jiaqi Tan, Na Wei, Martin M. Turcotte
Trophic Interactions In Microbiomes Influence Plant Host Population Size And Ecosystem Function, Jiaqi Tan, Na Wei, Martin M. Turcotte
Faculty Publications
Plant microbiomes that comprise diverse microorganisms, including prokaryotes, eukaryotes and viruses, are the key determinants of plant population dynamics and ecosystem function. Despite their importance, little is known about how species interactions (especially trophic interactions) between microbes from different domains modify the importance of microbiomes for plant hosts and ecosystems. Using the common duckweed Lemna minor, we experimentally examined the effects of predation (by bacterivorous protists) and parasitism (by bacteriophages) within microbiomes on plant population size and ecosystem phosphorus removal. Our results revealed that the addition of predators increased plant population size and phosphorus removal, whereas the addition of parasites …
Synthesis And Regioselective Functionalization Of Tetrafluorobenzo-[Α]-Fused Bopypy Dyes, Sebastian O. Oloo, Guanyu Zhang, Petia Bobadova-Parvanova, Seleen Al Horani, Masa Al Horani, Frank R. Fronczek, Kevin M. Smith, Maria Da Graça H. Vicente
Synthesis And Regioselective Functionalization Of Tetrafluorobenzo-[Α]-Fused Bopypy Dyes, Sebastian O. Oloo, Guanyu Zhang, Petia Bobadova-Parvanova, Seleen Al Horani, Masa Al Horani, Frank R. Fronczek, Kevin M. Smith, Maria Da Graça H. Vicente
Faculty Publications
The synthesis of a new bis-BF2 tetrafluorobenzo-[α]-fused BOPYPY dye from 4,5,6,7-tetrafluoroisoindole and 2-hydrazinopyrazine is reported. The regioselectivity of nucleophilic substitution reactions at the periphery of the tetrafluorinated BOPYPY and its α-bromo derivative were investigated using N-, O-, S-, and C-based nucleophiles. Among the aromatic fluorine atoms, the F2 atom is consistently regioselectively substituted, except when the α-position contains a thiophenol group; in this case, F4 is substituted instead due to stabilizing π-π-stacking between the two aromatic groups. The α-bromo BOPYPY derivative also reacts under Stille cross-coupling reaction conditions to produce the corresponding α-substituted product. The spectroscopic properties of …
Perspective—Surface-Display Techniques In Electrochemical Biosensor Designs For Health Monitoring, Courtney J. Weber, Megan D. Whisonant, Olivia M. Clay, Olja Simoska
Perspective—Surface-Display Techniques In Electrochemical Biosensor Designs For Health Monitoring, Courtney J. Weber, Megan D. Whisonant, Olivia M. Clay, Olja Simoska
Faculty Publications
Enzymatic and microbial electrochemical biosensors integrate enzymes and microorganisms as biological recognition elements into the sensor design and functionality. Enzyme-based sensors offer high sensitivity and selectivity for target analyte detection. However, these have limited stability necessary for continuous analyte monitoring. Contrarily, microbe-based electrochemical sensors provide a means for continuous analyte sensing but are associated with challenges related to analyte selectivity in complex samples. To address these limitations, surface-display methods, which bind enzymes to microbial surfaces, enhance biosensor selectivity and sensitivity. This perspective outlines the application of surface-display techniques, offering a promising avenue for health monitoring.
Employing Digital Pcr For Enhanced Detection Of Perinatal Toxoplasma Gondii Infection: A Cross-Sectional Surveillance And Maternal-Infant Outcomes Study In El Salvador, Mary K. Lynn, Marvin Stanley Rodriguez Aquino, Pamela Michelle Cornejo Rivas, Xiomara Miranda, David F. Torres-Romero, Hanson Cowan, Madeleine M. Meyer, Willber D. Castro-Godoy, Mufaro Kanyangarara Ph.D., Stella Coker Watson Self Ph.D., Ms, Berry A. Campbell, Melissa Nolan Ph.D., Mph
Employing Digital Pcr For Enhanced Detection Of Perinatal Toxoplasma Gondii Infection: A Cross-Sectional Surveillance And Maternal-Infant Outcomes Study In El Salvador, Mary K. Lynn, Marvin Stanley Rodriguez Aquino, Pamela Michelle Cornejo Rivas, Xiomara Miranda, David F. Torres-Romero, Hanson Cowan, Madeleine M. Meyer, Willber D. Castro-Godoy, Mufaro Kanyangarara Ph.D., Stella Coker Watson Self Ph.D., Ms, Berry A. Campbell, Melissa Nolan Ph.D., Mph
Faculty Publications
Toxoplasma gondii is a parasitic infection that can be transmitted in utero, resulting in fetal chorioretinitis and other long-term neurological outcomes. If diagnosed early, pregnancy-safe chemotherapeutics can prevent vertical transmission. Unfortunately, diagnosis of acute, primary infection among pregnant women remains neglected, particularly in low-and-middle-income countries. Clinically actionable diagnosis is complex due to the commonality of infection during childhood and early adulthood which spawn long-last antibody titers and historically unreliable direct molecular diagnostics. The current study employed a cross-sectional T. gondii perinatal surveillance study using digital PCR, a next generation molecular diagnostic platform, and a maternal-fetal outcomes survey to ascertain …
White Matter Trajectories Over The Lifespan, Stefania Conte, Dabriel Zimmerman, John E. Richards
White Matter Trajectories Over The Lifespan, Stefania Conte, Dabriel Zimmerman, John E. Richards
Faculty Publications
White matter (WM) changes occur throughout the lifespan at a different rate for each developmental period. We aggregated 10879 structural MRIs and 6186 diffusion-weighted MRIs from participants between 2 weeks to 100 years of age. Age-related changes in gray matter and WM partial volumes and microstructural WM properties, both brain-wide and on 29 reconstructed tracts, were investigated as a function of biological sex and hemisphere, when appropriate. We investigated the curve fit that would best explain age-related differences by fitting linear, cubic, quadratic, and exponential models to macro and microstructural WM properties. Following the first steep increase in WM volume …
Development Of An Experimentally Validated Computational Fluid Dynamics Model For A Pbi Membrane-Based Anhydrous Hcl Electrolyzer, Kris Likit-Anurak, Hunter R. Teel, Ishwor Karki, Ben I. Howard, Brian C. Benicewicz, Sirivatch Shimpalee, Benjamin H. Meekins
Development Of An Experimentally Validated Computational Fluid Dynamics Model For A Pbi Membrane-Based Anhydrous Hcl Electrolyzer, Kris Likit-Anurak, Hunter R. Teel, Ishwor Karki, Ben I. Howard, Brian C. Benicewicz, Sirivatch Shimpalee, Benjamin H. Meekins
Faculty Publications
We report the development of an experimentally-validated computational fluid dynamics (CFD) model for simulation of an anhydrous HCl electrolyzer. The experimental data from 3 membrane variants was used to provide kinetic and membrane parameters for the model. The model not only accurately simulates overall electrolyzer performance, but it also provides key insights into the transport phenomena within the electrolyzer. The model allows simulation of experimental parameters like high HCl flowrates and increased cell pressure that pose a high safety risk to researchers. The model shows hotspots in the temperature distribution that will need to be addressed by flow field modification …
Engineering The Signal Resolution Of A Paper-Based Cell-Free Glutamine Biosensor With Genetic Engineering, Metabolic Engineering, And Process Optimization, Tyler J. Free, Joseph P. Talley, Chad D. Hyer, Catherine J. Millar, Joel S. Griffitts, Bradley Charles Bundy
Engineering The Signal Resolution Of A Paper-Based Cell-Free Glutamine Biosensor With Genetic Engineering, Metabolic Engineering, And Process Optimization, Tyler J. Free, Joseph P. Talley, Chad D. Hyer, Catherine J. Millar, Joel S. Griffitts, Bradley Charles Bundy
Faculty Publications
Specialized cancer treatments have the potential to exploit glutamine dependence to increase patient survival rates. Glutamine diagnostics capable of tracking a patient’s response to treatment would enable a personalized treatment dosage to optimize the tradeoff between treatment success and dangerous side effects. Current clinical glutamine testing requires sophisticated and expensive lab-based tests, which are not broadly available on a frequent, individualized basis. To address the need for a low-cost, portable glutamine diagnostic, this work engineers a cell-free glutamine biosensor to overcome assay background and signal-to-noise limitations evident in previously reported studies. The findings from this work culminate in the development …
Effect Of Treated/Untreated Recycled Aggregate Concrete: Structural Behavior Of Rc Beams, Ayman Abdo, Ayman El-Zohairy, Yasser Alashker, Mohamed Abd El-Aziz Badran Mohamed
Effect Of Treated/Untreated Recycled Aggregate Concrete: Structural Behavior Of Rc Beams, Ayman Abdo, Ayman El-Zohairy, Yasser Alashker, Mohamed Abd El-Aziz Badran Mohamed
Faculty Publications
Using recycled concrete aggregates from construction and demolition wastes on structural concrete is a sustainable solution to reduce the consumption of natural resources and the detrimental effects of concrete production on the environment. This paper has collected much data from the literature to study fresh, mechanical properties and durability of concrete made of treated/untreated recycled aggregate (RA). Furthermore, the flexural and shear behavior of recycled aggregate concrete (RAC) beams was studied. This study discussed the distinctions and similarities between reinforced RAC beams and reinforced natural aggregate concrete (NAC) beams. The results of this review’s analysis clearly show that reinforced RAC …
Acoustofluidic Scanning Fluorescence Nanoscopy With A Large Field Of View, Geonsoo Jin, Neil Upreti, Joseph Rich, Jianping Xia, Chenglong Zhao, Tony Jun Huang
Acoustofluidic Scanning Fluorescence Nanoscopy With A Large Field Of View, Geonsoo Jin, Neil Upreti, Joseph Rich, Jianping Xia, Chenglong Zhao, Tony Jun Huang
Faculty Publications
Large-field nanoscale fluorescence imaging is invaluable for many applications, such as imaging subcellular structures, visualizing protein interactions, and high-resolution tissue imaging. Unfortunately, conventional fluorescence microscopy requires a trade-off between resolution and field of view due to the nature of the optics used to form the image. To overcome this barrier, we developed an acoustofluidic scanning fluorescence nanoscope that simultaneously achieves superior resolution, a large field of view, and strong fluorescent signals. The acoustofluidic scanning fluorescence nanoscope utilizes the superresolution capabilities of microspheres that are controlled by a programmable acoustofluidic device for rapid fluorescence enhancement and imaging. The acoustofluidic scanning fluorescence …
Analysis Of Modeled 3d Solar Magnetic Field During 30 X/M-Class Solar Flares, Seth H. Garland, Vasyl B. Yurchyshyn, Robert D. Loper, Benjamin F. Akers, Daniel J. Emmons Ii
Analysis Of Modeled 3d Solar Magnetic Field During 30 X/M-Class Solar Flares, Seth H. Garland, Vasyl B. Yurchyshyn, Robert D. Loper, Benjamin F. Akers, Daniel J. Emmons Ii
Faculty Publications
Using non-linear force free field (NLFFF) extrapolation, 3D magnetic fields were modeled from the 12-min cadence Solar Dynamics Observatory Helioseismic and Magnetic Imager (HMI) photospheric vector magnetograms, spanning a time period of 1 hour before through 1 hour after the start of 18 X-class and 12 M-class solar flares. Several magnetic field parameters were calculated from the modeled fields directly, as well as from the power spectrum of surface maps generated by summing the fields along the vertical axis, for two different regions: areas with photospheric |Bz|≥ 300 G (active region—AR) and areas above the photosphere with the …
Theory And Tools: The Future Of Technology-Based Learning (Script), Andrew S. Gibbons Iii
Theory And Tools: The Future Of Technology-Based Learning (Script), Andrew S. Gibbons Iii
Faculty Publications
We are entering a narrow passage that will see great instability in learning technology, instruction, and distance education. My purpose is to talk about two changes that I believe will redirect the entire future of technology-based education.
Theory And Tools: The Future Of Technology-Based Learning (Slides), Andrew S. Gibbons Iii
Theory And Tools: The Future Of Technology-Based Learning (Slides), Andrew S. Gibbons Iii
Faculty Publications
We are entering a narrow passage that will see great instability in learning technology, instruction, and distance education. My purpose is to talk about two changes that I believe will redirect the entire future of technology-based education.
Incorporating Solvent Effects In Dft: Insights From Cation Exchange In Faujasites, An T. Ta, Ayoub Daouli, R. Seaton Ullberg, Eric Fonseca, Vanessa Proust, Agnès Grandjean, Richard G. Hennig, Hans Conrad Zur Loye, Michael Badawi, Simon R. Phillpot
Incorporating Solvent Effects In Dft: Insights From Cation Exchange In Faujasites, An T. Ta, Ayoub Daouli, R. Seaton Ullberg, Eric Fonseca, Vanessa Proust, Agnès Grandjean, Richard G. Hennig, Hans Conrad Zur Loye, Michael Badawi, Simon R. Phillpot
Faculty Publications
Zeolites are versatile materials renowned for their extra-framework cation exchange capabilities, with applications spanning diverse fields, including nuclear waste treatment. While detailed experimental characterization offers valuable insight, density functional theory (DFT) proves particularly adept at investigating ion exchange in zeolites, owing to its atomic and electronic resolution. However, the prevalent occurrence of zeolitic ion exchange in aqueous environments poses a challenge to conventional DFT modeling, traditionally conducted in a vacuum. This study seeks to enhance zeolite modeling by systematically evaluating predictive differences across varying degrees of aqueous solvent inclusion. Specifically focusing on monovalent cation exchange in Na-X zeolites, we explore …
Detection Of Ochyromera Ligustri (Coleoptera: Curculionidae: Curculioninae) In Ligustrum Spp. (Oleaceae) Using Newly Developed Pcr Primers, Ilgoo Kang, Amy Roda, Brandi Misiaszek, Tanner Sparks, Rodrigo Diaz
Detection Of Ochyromera Ligustri (Coleoptera: Curculionidae: Curculioninae) In Ligustrum Spp. (Oleaceae) Using Newly Developed Pcr Primers, Ilgoo Kang, Amy Roda, Brandi Misiaszek, Tanner Sparks, Rodrigo Diaz
Faculty Publications
Ligustrum spp. (Oleaceae) have become invasive species in the US and negatively affect native plant diversity and richness in forests. Ochyromera ligustri (Coleoptera: Curculionidae) is considered a potential biological control agent in the US because adults feed on the foliage and larvae are seed-feeders of Ligustrum spp. To discover the relationships between O. ligustri and Ligustrum spp., fruit dissections or rearing and field observations are required. In the current research project, novel PCR primers were developed to rapidly detect the DNA of O. ligustri in molecular analyses without rearing and observation. The developed PCR primers worked even with 0.01 ng …
Mapping And Omics Integration: Towards Precise Rice Disease Resistance Breeding, John Christian Ontoy, Jong Hyun Ham
Mapping And Omics Integration: Towards Precise Rice Disease Resistance Breeding, John Christian Ontoy, Jong Hyun Ham
Faculty Publications
Rice (Oryza sativa), as a staple crop feeding a significant portion of the global population, particularly in Asian countries, faces constant threats from various diseases jeopardizing global food security. A precise understanding of disease resistance mechanisms is crucial for developing resilient rice varieties. Traditional genetic mapping methods, such as QTL mapping, provide valuable insights into the genetic basis of diseases. However, the complex nature of rice diseases demands a holistic approach to gain an accurate knowledge of it. Omics technologies, including genomics, transcriptomics, proteomics, and metabolomics, enable a comprehensive analysis of biological molecules, uncovering intricate molecular interactions within the rice …
Exploring Pathways Toward Open-Hardware Ecosystems To Safeguard Genetic Resources For Biomedical Research Communities Using Aquatic Model Species, Yue Liu, Jack C. Koch, Lucía Arregui, Allyssa Oune, Sarah Bodenstein, Maria T. Gutierrez-Wing, Terrence R. Tiersch
Exploring Pathways Toward Open-Hardware Ecosystems To Safeguard Genetic Resources For Biomedical Research Communities Using Aquatic Model Species, Yue Liu, Jack C. Koch, Lucía Arregui, Allyssa Oune, Sarah Bodenstein, Maria T. Gutierrez-Wing, Terrence R. Tiersch
Faculty Publications
Development of reliable germplasm repositories is critical for preservation of genetic resources of aquatic species, which are widely utilized to support biomedical innovation by providing a foundational source for naturally occurring variation and development of new variants through genetic manipulations. A significant barrier in repository development is the lack of cryopreservation capability and reproducibility across the research community, posing great risks of losing advances developed from billions of dollars of research investment. The emergence of open scientific hardware has fueled a new movement across biomedical research communities. With the increasing accessibility of consumer-level fabrication technologies, such as three-dimensional printers, open …
Sexual Orientation-Based Microaggressions And Cannabis Use Outcomes Among Sexual Minority Individuals: The Impact Of Negative Affect And Coping-Motivated Cannabis Use, Evan M. Threeton, Paige E. Morris, Julia D. Buckner
Sexual Orientation-Based Microaggressions And Cannabis Use Outcomes Among Sexual Minority Individuals: The Impact Of Negative Affect And Coping-Motivated Cannabis Use, Evan M. Threeton, Paige E. Morris, Julia D. Buckner
Faculty Publications
Introduction: Sexual minority individuals report significantly more cannabis use and problems than their heterosexual peers, possibly due to their frequent experiences with sexual orientation-based microaggressions. As a result, sexual minority individuals may turn to cannabis use to cope with the negative affect associated with these experiences. No known studies have tested this hypothesis; therefore, the current study tested if sexual orientation microaggressions are positively associated with negative affect (anxiety and depression), cannabis coping motives, and cannabis-related outcomes (frequency, problems); if coping motives are positively associated with cannabis-related outcomes; and if negative affect and cannabis use to cope with negative affect …
Transitioning From A Research Protocol To A Scalable Applied Pathway For Xenopus Laevis Sperm Cryopreservation At A National Stock Center: The Effect Of Cryoprotectants, Lucía Arregui, Jack C. Koch, Terrence R. Tiersch
Transitioning From A Research Protocol To A Scalable Applied Pathway For Xenopus Laevis Sperm Cryopreservation At A National Stock Center: The Effect Of Cryoprotectants, Lucía Arregui, Jack C. Koch, Terrence R. Tiersch
Faculty Publications
Sperm cryopreservation is a critical tool for safeguarding and managing valuable genetic resources. Protocols for cryopreservation of Xenopus laevis sperm were available but lacking sperm quality evaluation and scalability and the outcomes were inconsistent. The goal of this study was to begin developing a center-level cryopreservation pathway for this species by integrating French straws as containers that would facilitate germplasm repository development. The objectives were to analyze the effect of: (1) three sperm concentrations (33, 50, and 100 × 106 sperm/mL) on post-thaw fertilization, (2) three final concentrations (2.5%, 5%, and 10%) of dimethyl sulfoxide, methanol, and dimethylformamide (DMFA) on …
Energy Compensation For Crop Growth Under Plastic Mulching: Theories, Models, And Limitations, Dianyuan Ding, Ting Li, Lihong Wu, Xi Zhang, Ying Zhao, Hao Feng, Chao Zhang, Ole Wendroth
Energy Compensation For Crop Growth Under Plastic Mulching: Theories, Models, And Limitations, Dianyuan Ding, Ting Li, Lihong Wu, Xi Zhang, Ying Zhao, Hao Feng, Chao Zhang, Ole Wendroth
Faculty Publications
Plastic film mulching (PM) is a useful agronomic means to adapt to the environmental conditions of dryland agriculture and improve crop production. To improve the theoretical framework of PM technology, this study focuses on the interaction between the soil temperature change caused by PM and crop growth. The definition, action mechanism, and simulation of the compensatory effect of PM on growing degree days are introduced to reveal the effect of soil temperature under PM on crop development and growth. Our summary shows that the strength of the warming effect changes with the growth and development of crops, strengthening during the …
Song And Genetic Divergence Within A Subspecies Of White-Crowned Sparrow (Zonotrichia Leucophrys Nuttalli), Amy Rongyan Luo, Sara Lipshutz, Jennifer Phillips, Robb T. Brumfield, Elizabeth Perrault Derryberry
Song And Genetic Divergence Within A Subspecies Of White-Crowned Sparrow (Zonotrichia Leucophrys Nuttalli), Amy Rongyan Luo, Sara Lipshutz, Jennifer Phillips, Robb T. Brumfield, Elizabeth Perrault Derryberry
Faculty Publications
Animal culture evolves alongside genomes, and the two modes of inheritance-culture and genes-interact in myriad ways. For example, stable geographic variation in culture can act as a reproductive barrier, thereby facilitating genetic divergence between "cultural populations."White-crowned sparrows (Zonotrichia leucophrys) are a well-established model species for bird song learning and cultural evolution, as they have distinct, geographically discrete, and culturally transmitted song types (i.e., song dialects). In this study, we tested the hypothesis that divergence between culturally transmitted songs drives genetic divergence within Nuttall's white-crowned sparrows (Z. l. nuttalli). In accordance with sexual selection theory, we hypothesized that cultural divergence between …
The Cospar Planetary Protection Policy For Missions To Icy Worlds: A Review Of History, Current Scientific Knowledge, And Future Directions, P. T. Doran, A. Hayes, O. Grasset, A. Coustenis, O. Prieto-Ballesteros, N. Hedman, O. Al Shehhi, E. Ammannito, M. Fujimoto, F. Groen, J. E. Moores, C. Mustin, K. Olsson-Francis, J. Peng, K. Praveenkumar, P. Rettberg, S. Sinibaldi, V. Ilyin, F. Raulin, Y. Suzuki, K. Xu, L. G. Whyte, M. Zaitsev, J. Buffo, G. Kminek, B. Schmidt
The Cospar Planetary Protection Policy For Missions To Icy Worlds: A Review Of History, Current Scientific Knowledge, And Future Directions, P. T. Doran, A. Hayes, O. Grasset, A. Coustenis, O. Prieto-Ballesteros, N. Hedman, O. Al Shehhi, E. Ammannito, M. Fujimoto, F. Groen, J. E. Moores, C. Mustin, K. Olsson-Francis, J. Peng, K. Praveenkumar, P. Rettberg, S. Sinibaldi, V. Ilyin, F. Raulin, Y. Suzuki, K. Xu, L. G. Whyte, M. Zaitsev, J. Buffo, G. Kminek, B. Schmidt
Faculty Publications
Recent discoveries related to the habitability and astrobiological relevance of the outer Solar System have expanded our understanding of where and how life may have originated. As a result, the Icy Worlds of the outer Solar System have become among the highest priority targets for future spacecraft missions dedicated to astrobiology-focused and/or direct life detection objectives. This, in turn, has led to a renewed interest in planetary protection concerns and policies for the exploration of these worlds and has been a topic of discussion within the COSPAR (Committee on Space Research) Panel on Planetary Protection. This paper summarizes the results …
Complementing Model Species With Model Clades, Makenzie E. Mabry, R. Shawn Abrahams, Ihsan A. Al-Shehbaz, William J. Baker, Simon Barak, Michael S. Barker, Russell L. Barrett, Aleksandra Beric, Samik Bhattacharya, Sarah B. Carey, Gavin C. Conant, John G. Conran, Maheshi Dassanayake, Patrick P. Edger, Jocelyn C. Hall, Yue Hao, Kasper P. Hendriks, Julian M. Hibberd, Graham J. King, Daniel J. Kliebenstein, Marcus A. Koch, Ilia J. Leitch, Frederic Lens, Martin A. Lysak, Alex C. Mcalvay, Michael T.W. Mckibben, Francesco Mercati, Richard C. Moore, Klaus Mummenhoff, Daniel J. Murphy, Lachezar A. Nikolov, Michael Pisias, Eric H. Roalson
Complementing Model Species With Model Clades, Makenzie E. Mabry, R. Shawn Abrahams, Ihsan A. Al-Shehbaz, William J. Baker, Simon Barak, Michael S. Barker, Russell L. Barrett, Aleksandra Beric, Samik Bhattacharya, Sarah B. Carey, Gavin C. Conant, John G. Conran, Maheshi Dassanayake, Patrick P. Edger, Jocelyn C. Hall, Yue Hao, Kasper P. Hendriks, Julian M. Hibberd, Graham J. King, Daniel J. Kliebenstein, Marcus A. Koch, Ilia J. Leitch, Frederic Lens, Martin A. Lysak, Alex C. Mcalvay, Michael T.W. Mckibben, Francesco Mercati, Richard C. Moore, Klaus Mummenhoff, Daniel J. Murphy, Lachezar A. Nikolov, Michael Pisias, Eric H. Roalson
Faculty Publications
Model species continue to underpin groundbreaking plant science research. At the same time, the phylogenetic resolution of the land plant tree of life continues to improve. The intersection of these 2 research paths creates a unique opportunity to further extend the usefulness of model species across larger taxonomic groups. Here we promote the utility of the Arabidopsis thaliana model species, especially the ability to connect its genetic and functional resources, to species across the entire Brassicales order. We focus on the utility of using genomics and phylogenomics to bridge the evolution and diversification of several traits across the Brassicales to …
Dispersal Sweepstakes: Biotic Interchange Propelled Air-Breathing Fishes Across The Globe, Richard C. Harrington, Matthew Kolmann, Julia J. Day, Brant C. Faircloth, Matt Friedman, Thomas J. Near
Dispersal Sweepstakes: Biotic Interchange Propelled Air-Breathing Fishes Across The Globe, Richard C. Harrington, Matthew Kolmann, Julia J. Day, Brant C. Faircloth, Matt Friedman, Thomas J. Near
Faculty Publications
Aim: Biotic interchanges between Africa, India, and Eurasia are central to explaining the present-day distribution and diversity of freshwater organisms across these landmasses. Synbranchiformes is a diverse and species-rich clade of freshwater acanthomorph fishes found on all southern continents except Antarctica, and include eel- and perch-like, air-breathing and non-air-breathing fishes. Lacking a comprehensive and resolved phylogeny of the entire clade, contemporary interpretations of synbranchiform biogeography invoke scenarios as disparate as Gondwanan vicariance and pan-global rafting to explain their modern-day distribution. Here, we study their biogeographic history of continental dispersal events and test whether these are associated with increases in lineage …
The Sequential Direct And Indirect Effects Of Mountain Uplift, Climatic Niche, And Floral Trait Evolution On Diversification Dynamics In An Andean Plant Clade, Agnes S. Dellinger, Laura Lagomarsino, Fabián Michelangeli, Stefan Dullinger, Stacey D. Smith
The Sequential Direct And Indirect Effects Of Mountain Uplift, Climatic Niche, And Floral Trait Evolution On Diversification Dynamics In An Andean Plant Clade, Agnes S. Dellinger, Laura Lagomarsino, Fabián Michelangeli, Stefan Dullinger, Stacey D. Smith
Faculty Publications
Why and how organismal lineages radiate is commonly studied through either assessing abiotic factors (biogeography, geomorphological processes, and climate) or biotic factors (traits and interactions). Despite increasing awareness that both abiotic and biotic processes may have important joint effects on diversification dynamics, few attempts have been made to quantify the relative importance and timing of these factors, and their potentially interlinked direct and indirect effects, on lineage diversification. We here combine assessments of historical biogeography, geomorphology, climatic niche, vegetative, and floral trait evolution to test whether these factors jointly, or in isolation, explain diversification dynamics of a Neotropical plant clade …
In The Spotlight—Early Career Researcher, Patricia Schneider
In The Spotlight—Early Career Researcher, Patricia Schneider
Faculty Publications
No abstract provided.
Cellulose Nanofiber As Mask/Personal Protective Equipment Surface Agent For Enhanced Anti-Bacterial Performance, Sophia Jackson, Jonathan Chen
Cellulose Nanofiber As Mask/Personal Protective Equipment Surface Agent For Enhanced Anti-Bacterial Performance, Sophia Jackson, Jonathan Chen
Faculty Publications
The utilization of face-covering masks as an extended form of personal protective equipment has led to exponential waste measures during the COVID-19 pandemic, with estimations of up to 7200 tons of medical-type waste daily. A primary cause of this waste is surgical layered disposable masks that are constructed by melt-blown nonwovens usually made of non-biodegradable thermoplastic polymers like polypropylene. To increase widespread sustainable options to the public, commercialized or do-it-yourself-based fabric masks serve as a solution, but their resistance to harmful molecules is less than that of the medical-grade masks due to the fabric structure that leaves space for penetration. …
Cpeb3 Maintains Developmental Competence Of The Oocyte, Lucie Lamacova, Denisa Jansova, Zongliang Jiang, Michal Dvoran, Daria Aleshkina, Rajan Iyyappan, Anna Jindrova, Heng Yu Fan, Yuxuan Jiao, Andrej Susor
Cpeb3 Maintains Developmental Competence Of The Oocyte, Lucie Lamacova, Denisa Jansova, Zongliang Jiang, Michal Dvoran, Daria Aleshkina, Rajan Iyyappan, Anna Jindrova, Heng Yu Fan, Yuxuan Jiao, Andrej Susor
Faculty Publications
Mammalian oocyte development depends on the temporally controlled translation of maternal transcripts, particularly in the coordination of meiotic and early embryonic development when transcription has ceased. The translation of mRNA is regulated by various RNA-binding proteins. We show that the absence of cytoplasmic polyadenylation element-binding protein 3 (CPEB3) negatively affects female reproductive fitness. CPEB3-depleted oocytes undergo meiosis normally but experience early embryonic arrest due to a disrupted transcriptome, leading to aberrant protein expression and the subsequent failure of embryonic transcription initiation. We found that CPEB3 stabilizes a subset of mRNAs with a significantly longer 3’UTR that is enriched in its …