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Articles 991 - 1020 of 40083
Full-Text Articles in Entire DC Network
Cancer-Associated Fibroblast-Derived Acetate Promotes Pancreatic Cancer Development By Altering Polyamine Metabolism Via The Acss2–Sp1–Sat1 Axis, Divya Murthy, Kuldeep S. Attri, Surendra K. Shukla, Ravi Thakur, Nina V. Chaika, Chunbo He, Dezhen Wang, Kanupriya Jha, Aneesha Dasgupta, Ryan J. King, Scott E. Mulder, Joshua Souchek, Teklab Gebregiworgis, Vikant Rai, Rohit Patel, Tuo Hu, Sandeep Rana, Sai Sundeep Kollala, Camila Pacheco, Paul M. Grandgenett, Fang Yu, Vikas Kumar, Audrey J. Lazenby, Adrian R. Black, Susanna Ulhannan, Ajay Jain, Barish H. Edil, David L. Klinkebiel, Robert Powers, Amarnath Natarajan, Michael A. Hollingsworth, Kamiya Mehla2,, Quan Ly, Sarika Chaudhary, Rosa F. Hwang, Kathryn E. Wellen, Pankaj K. Singh
Cancer-Associated Fibroblast-Derived Acetate Promotes Pancreatic Cancer Development By Altering Polyamine Metabolism Via The Acss2–Sp1–Sat1 Axis, Divya Murthy, Kuldeep S. Attri, Surendra K. Shukla, Ravi Thakur, Nina V. Chaika, Chunbo He, Dezhen Wang, Kanupriya Jha, Aneesha Dasgupta, Ryan J. King, Scott E. Mulder, Joshua Souchek, Teklab Gebregiworgis, Vikant Rai, Rohit Patel, Tuo Hu, Sandeep Rana, Sai Sundeep Kollala, Camila Pacheco, Paul M. Grandgenett, Fang Yu, Vikas Kumar, Audrey J. Lazenby, Adrian R. Black, Susanna Ulhannan, Ajay Jain, Barish H. Edil, David L. Klinkebiel, Robert Powers, Amarnath Natarajan, Michael A. Hollingsworth, Kamiya Mehla2,, Quan Ly, Sarika Chaudhary, Rosa F. Hwang, Kathryn E. Wellen, Pankaj K. Singh
Robert Powers Publications
The ability of tumour cells to thrive in harsh microenvironments depends on the utilization of nutrients available in the milieu. Here we show that pancreatic cancer-associated fibroblasts (CAFs) regulate tumour cell metabolism through the secretion of acetate, which can be blocked by silencing ATP citrate lyase (ACLY) in CAFs. We further show that acetyl-CoA synthetase short-chain family member 2 (ACSS2) channels the exogenous acetate to regulate the dynamic cancer epigenome and transcriptome, thereby facilitating cancer cell survival in an acidic microenvironment. Comparative H3K27ac ChIP–seq and RNA–seq analyses revealed alterations in polyamine homeostasis through regulation of SAT1 gene expression and enrichment …
Bermad: Batch Effect Removal For Single-Cell Rna-Seq Data Using A Multi-Layer Adaptation Autoencoder With Dual-Channel Framework, Xiangxin Zhan, Yanbin Yin, Han Zhang
Bermad: Batch Effect Removal For Single-Cell Rna-Seq Data Using A Multi-Layer Adaptation Autoencoder With Dual-Channel Framework, Xiangxin Zhan, Yanbin Yin, Han Zhang
Department of Food Science and Technology: Faculty Publications
Motivation: Removal of batch effect between multiple datasets from different experimental platforms has become an urgent problem, since single-cell RNA sequencing (scRNA-seq) techniques developed rapidly. Although there have been some methods for this problem, most of them still face the challenge of under-correction or over-correction. Specifically, handling batch effect in highly nonlinear scRNA-seq data requires a more powerful model to address under-correction. In the meantime, some previous methods focus too much on removing difference between batches, which may disturb the biological signal heterogeneity of datasets generated from different experiments, thereby leading to over-correction.
Results: In this article, we …
Calibration Of Hybrid-Maize Model For Simulation Of Soil Moisture And Yield In Production Corn Fields, Anthony A. Amori, Olufemi P. Abimbola, Trenton E. Franz, Daran Rudnick, Javed Iqbal, Haishun Yang
Calibration Of Hybrid-Maize Model For Simulation Of Soil Moisture And Yield In Production Corn Fields, Anthony A. Amori, Olufemi P. Abimbola, Trenton E. Franz, Daran Rudnick, Javed Iqbal, Haishun Yang
Department of Agronomy and Horticulture: Faculty Publications
Model calibration is essential for acceptable model performance and applications. The Hybrid-Maize model, developed at the University of Nebraska-Lincoln, is a process-based crop simulation model that simulates maize growth as a function of crop and field management and environmental conditions. In this study, we calibrated and validated the Hybrid-Maize model using soil moisture and yield data from eight commercial production fields in two years. We used a new method for the calibration and multi-parameter optimization (MPO) based on kriging with modified criteria for selecting the parameter combinations. The soil moisture-related parameter combination (SM-PC3) improved simulations of soil water dynamics, but …
What Waterfowl Hunters Want: Exploring Heterogeneity In Hunting Trip Preferences, Katherine A. Sainsbury, Howard W. Harshaw, David C. Fulton, Nicholas W. Cole, Ashley A. Dayer, Jennie N. Duberstein, Andrew H. Raedeke, Rudy M. Schuster, Mark P. Vrtiska
What Waterfowl Hunters Want: Exploring Heterogeneity In Hunting Trip Preferences, Katherine A. Sainsbury, Howard W. Harshaw, David C. Fulton, Nicholas W. Cole, Ashley A. Dayer, Jennie N. Duberstein, Andrew H. Raedeke, Rudy M. Schuster, Mark P. Vrtiska
School of Natural Resources: Faculty Publications
Canadian and American waterfowl hunters were surveyed to identify their hunting trip preferences. Respondents were individuals that were now participating or had participated in waterfowl hunting, and most had hunted the majority of the last five years. We identified four latent classes of waterfowl hunters that varied in their preferences for harvest, access effort, length of travel, quantity of waterfowl seen, and the potential for interference/competition. We found a diminishing return associated with the number of waterfowl harvested, and that ‘devoted’ and ‘local’ hunters did not perceive appreciable benefit from harvesting more birds beyond harvesting a single bird. Results highlight …
Human-Driven Fire And Vegetation Dynamics On The Caribbean Island Of Barbuda From Early Indigenous To Modern Times, Allison R. Leblanc, Lisa M. Kennedy, Michael J. Burn, Université Laval, Sophia Perdikaris
Human-Driven Fire And Vegetation Dynamics On The Caribbean Island Of Barbuda From Early Indigenous To Modern Times, Allison R. Leblanc, Lisa M. Kennedy, Michael J. Burn, Université Laval, Sophia Perdikaris
Department of Anthropology: Faculty Publications
We present a multiproxy analysis of a sediment core from Freshwater Pond, Barbuda, one of just a few inland paleoenvironmental records from the Lesser Antilles. Our results shed light on the relative contributions of climate variability and Pre- and Post-Columbian human activities to vegetation and fire dynamics on Barbuda. The presence of macroscopic charcoal and pollen of ethnobotanically-useful and disturbance-indicator plant taxa in the sediment record suggests that Pre-Columbian subsistence activities occurred within a few kilometers of the pond between ~150 BCE and ~1250 CE. Our record extends anthropogenic fires back into the early Ceramic (500 BCE–1500 CE) and possibly …
Relation Of Life Sciences Students’ Metacognitive Monitoring To Neural Activity During Biology Error Detection, Mei Grace Behrendt, Caron Clark, Mckenna Elliott, Joseph Dauer
Relation Of Life Sciences Students’ Metacognitive Monitoring To Neural Activity During Biology Error Detection, Mei Grace Behrendt, Caron Clark, Mckenna Elliott, Joseph Dauer
Department of Educational Psychology: Faculty Publications
Metacognitive calibration—the capacity to accurately self-assess one’s performance—forms the basis for error detection and self-monitoring and is a potential catalyst for conceptual change. Limited brain imaging research on authentic learning tasks implicates the lateral prefrontal and anterior cingulate brain regions in expert scientific reasoning. This study aimed to determine how variation in undergraduate life sciences students’ metacognitive calibration relates to their brain activity when evaluating the accuracy of biological models. Fifty undergraduate students enrolled in an introductory life sciences course completed a biology model error detection task during fMRI. Students with higher metacognitive calibration recruited lateral prefrontal regions linked in …
Psychological Distress And Behavioral Vigilance In Response To Minority Stress And Threat Among Members Of The Asian American And Pacific Islander Community During The Covid-19 Pandemic, Andrew S. Franks, Rin Nguyen, Y. Jenny Xiao, Dena Abbott
Psychological Distress And Behavioral Vigilance In Response To Minority Stress And Threat Among Members Of The Asian American And Pacific Islander Community During The Covid-19 Pandemic, Andrew S. Franks, Rin Nguyen, Y. Jenny Xiao, Dena Abbott
Department of Educational Psychology: Faculty Publications
Stigmatization, hostility, and violence towards the Asian American and Pacific Islander (AAPI) community have increased sharply during the COVID-19 pandemic. It is important to conduct research to promote understanding of the effects of such stigmatization on the AAPI community. Accordingly, the present study used a combined minority stress and integrated threat framework to examine whether factors related to AAPI identity would moderate the relationship between stigmatization/threat associated with AAPI identity and increased psychological distress and behavioral vigilance. AAPI individuals were recruited online from both Turk Prime and Reddit and completed measures of perceived stigmatization; integrated threat; depression, anxiety, and stress; …
Vitamin E Biofortification: Enhancement Of Seed Tocopherol Concentrations By Altered Chlorophyll Metabolism, Ping Qin, Peng Chen, Yuanwei Zhou, Wei Zhang, Yunyun Zhang, Jingjing Xu, Lu Gan, Yingnan Liu, Jill Romer, Peter Dörmann, Edgar B. Cahoon, Chunyu Zhang
Vitamin E Biofortification: Enhancement Of Seed Tocopherol Concentrations By Altered Chlorophyll Metabolism, Ping Qin, Peng Chen, Yuanwei Zhou, Wei Zhang, Yunyun Zhang, Jingjing Xu, Lu Gan, Yingnan Liu, Jill Romer, Peter Dörmann, Edgar B. Cahoon, Chunyu Zhang
Department of Biochemistry: Faculty Publications
Homogentisate Phytyltransferase (HPT) catalyzes condensation of homogentisate (HGA) and phytyl diphosphate (PDP) to produce tocopherols, but can also synthesize tocotrienols using geranylgeranyl diphosphate (GGDP) in plants engineered for deregulated HGA synthesis. In contrast to prior tocotrienol biofortification efforts, engineering enhanced tocopherol concentrations in green oilseeds has proven more challenging due to the integral role of chlorophyll metabolism in supplying the PDP substrate. This study show that RNAi suppression of CHLSYN coupled with HPT overexpression increases tocopherol concentrations by >two-fold in Arabidopsis seeds. We obtained additional increases in seed tocopherol concentrations by engineering increased HGA production via overexpression of …
The Spliceosome-Associated Protein Cwc15 Promotes Mirna Biogenesis In Arabidopsis, Bangjun Zhou, Huihui Yu, Yong Xue, Mu Li, Chi Zhang, Bin Yu
The Spliceosome-Associated Protein Cwc15 Promotes Mirna Biogenesis In Arabidopsis, Bangjun Zhou, Huihui Yu, Yong Xue, Mu Li, Chi Zhang, Bin Yu
School of Biological Sciences: Faculty Publications
MicroRNAs (miRNAs) play a key role in regulating gene expression and their biogenesis is precisely controlled through modulating the activity of microprocessor. Here, we report that CWC15, a spliceosome-associated protein, acts as a positive regulator of miRNA biogenesis. CWC15 binds the promoters of genes encoding miRNAs (MIRs), promotes their activity, and increases the occupancy ofDNA-dependent RNA polymerases atMIR promoters, suggesting that CWC15 positively regulates the transcription of primary miRNA transcripts (pri-miRNAs). In addition, CWC15 interacts with Serrate (SE) and HYL1, two key components of microprocessor, and is required for efficient primiRNA processing and the HYL1-pri-miRNA interaction. Moreover, CWC15 interacts with …
African Swine Fever Virus Early Protein Pi73r Suppresses The Type-I Ifn Promoter Activities, Danh C. Lai, Jayeshbhai Chaudhari, Hiep L.X. Vu
African Swine Fever Virus Early Protein Pi73r Suppresses The Type-I Ifn Promoter Activities, Danh C. Lai, Jayeshbhai Chaudhari, Hiep L.X. Vu
Department of Animal Science: Faculty Publications
African swine fever virus is known to suppress type-I interferon (IFN) responses. The main objective of this study was to screen early-expressed viral genes for their ability to suppress IFN production. Out of 16 early genes examined, I73R exhibited robust suppression of cGAS-STING-induced IFN-β promoter activities, impeding the function of both IRF3 and NF-κB transcription factors. As a result, I73R obstructed IRF3 nuclear translocation following the treatment of cells with poly(dA:dT), a strong inducer of the cGAS-STING signaling pathway. Although the I73R protein exhibits structural homology with the Zα domain binding to the left-handed helical form of DNA known as …
Isothiocyanates Potentiate Tazemetostat-Induced Apoptosis By Modulating The Expression Of Apoptotic Genes, Members Of Polycomb Repressive Complex 2, And Levels Of Tri-Methylating Lysine 27 At Histone 3 In Human Malignant Melanoma Cells, Ioannis Anestopoulos, Ioannis Paraskevaidis, Sotiris Kyriakou, Lambrini E. Giova, Dimitrios T. Trafalis, Sotiris Botaitis, Rodrigo Franco, Aglaia Pappa, Mihalis L. Panayiotidis
Isothiocyanates Potentiate Tazemetostat-Induced Apoptosis By Modulating The Expression Of Apoptotic Genes, Members Of Polycomb Repressive Complex 2, And Levels Of Tri-Methylating Lysine 27 At Histone 3 In Human Malignant Melanoma Cells, Ioannis Anestopoulos, Ioannis Paraskevaidis, Sotiris Kyriakou, Lambrini E. Giova, Dimitrios T. Trafalis, Sotiris Botaitis, Rodrigo Franco, Aglaia Pappa, Mihalis L. Panayiotidis
School of Veterinary and Biomedical Sciences: Faculty Publications
In this study, we utilized an in vitro model consisting of human malignant melanoma as well as non-tumorigenic immortalized keratinocyte cells with the aim of characterizing the therapeutic effectiveness of the clinical epigenetic drug Tazemetostat alone or in combination with various isothiocyanates. In doing so, we assessed markers of cell viability, apoptotic induction, and expression levels of key proteins capable of mediating the therapeutic response. Our data indicated, for the first time, that Tazemetostat caused a significant decrease in viability levels of malignant melanoma cells in a dose- and time-dependent manner via the induction of apoptosis, while non-malignant keratinocytes were …
Application Of Dna Barcodes In The Genetic Diversity Of Hard Ticks (Acari: Ixodidae) In Kazakhstan, Ziwei Zheng, Weixin Zeng, Suwen Wang, Wenbo Tan, Xiaobo Lu, Kenesbay Kairullayev, Ligu Mi, Wurelihazi Hazihan, Gang Liu, Meihua Yang, Yuanzhi Wang
Application Of Dna Barcodes In The Genetic Diversity Of Hard Ticks (Acari: Ixodidae) In Kazakhstan, Ziwei Zheng, Weixin Zeng, Suwen Wang, Wenbo Tan, Xiaobo Lu, Kenesbay Kairullayev, Ligu Mi, Wurelihazi Hazihan, Gang Liu, Meihua Yang, Yuanzhi Wang
Harold W. Manter Laboratory of Parasitology: Library Materials
Forty-five tick species have been recorded in Kazakhstan. However, their genetic diversity and evolutionary relationships, particularly when compared to ticks in neighbouring countries, remain unclear. In the present study, 148 mitochondrial cytochrome c oxidase subunit I (COI) sequence data from our laboratory and NCBI (National Center for Biotechnology Information; https://www.ncbi.nlm.nih.gov/) data were used to address this knowledge gap. Phylogenetic analyses showed that i) Hyalomma anatolicum anatolicum (Koch, 1844) ticks from Jambyl Oblast (southeastern Kazakhstan) and Gansu Province (northwestern China) constituted a newly deviated clade; and ii) Dermacentor reticulatus (Fabricius, 1974) ticks from South Kazakhstan Oblast were closer …
Heavy Metal Movement Through Insect Food Chains In Pristine Thermal Springs Of Yellowstone National Park, Braymond Adams, John Bowley, Monica Rohwer, Erik Oberg, Kelly Willemssens, Wendy Wintersteen, Robert K.D. Peterson, Leon G. Higley
Heavy Metal Movement Through Insect Food Chains In Pristine Thermal Springs Of Yellowstone National Park, Braymond Adams, John Bowley, Monica Rohwer, Erik Oberg, Kelly Willemssens, Wendy Wintersteen, Robert K.D. Peterson, Leon G. Higley
School of Natural Resources: Faculty Publications
Yellowstone National Park thermal features regularly discharge various heavy metals and metalloids. These metals are taken up by microorganisms that often form mats in thermal springs. These microbial mats also serve as food sources for invertebrate assemblages. To examine how heavy metals move through insect food webs associated with hot springs, two sites were selected for this study. Dragon-Beowulf Hot Springs, acid-sulfate chloride springs, have a pH of 2.9, water temperatures above 70 oC, and populations of thermophilic bacterial, archaeal, and algal mats. Rabbit Creek Hot Springs, alkaline springs, have a pH of up to 9, some water temperatures …
Antibody Profiling And Predictive Modeling Discriminate Between Kaposi Sarcoma And Asymptomatic Kshv Infection, Sydney J. Bennett, Dicle Yalcin, Sara R. Privatt, Owen Ngalamika, Salum J. Lidenge, John T. West, Charles Wood
Antibody Profiling And Predictive Modeling Discriminate Between Kaposi Sarcoma And Asymptomatic Kshv Infection, Sydney J. Bennett, Dicle Yalcin, Sara R. Privatt, Owen Ngalamika, Salum J. Lidenge, John T. West, Charles Wood
School of Biological Sciences: Faculty Publications
Protein-level immunodominance patterns against Kaposi sarcoma-associated herpesvirus (KSHV), the aetiologic agent of Kaposi sarcoma (KS), have been revealed from serological probing of whole protein arrays, however, the epitopes that underlie these patterns have not been defined. We recently demonstrated the utility of phage display in high-resolution linear epitope mapping of the KSHV latency-associated nuclear antigen (LANA/ORF73). Here, a VirScan phage immunoprecipitation and sequencing approach, employing a library of 1,988 KSHV proteome-derived peptides, was used to quantify the breadth and magnitude of responses of 59 sub-Saharan African KS patients and 22 KSHV-infected asymptomatic individuals (ASY), and ultimately to support an application …
The Impact Of Iron Supplementation On The Preterm Neonatal Gut Microbiome: A Pilot Study, Matthew Van Ormer, Maranda Thompson, Melissa K. Thoene, Jean-Jack Riethoven, Sathish Kumar Natarajan, Ann Anderson-Berry
The Impact Of Iron Supplementation On The Preterm Neonatal Gut Microbiome: A Pilot Study, Matthew Van Ormer, Maranda Thompson, Melissa K. Thoene, Jean-Jack Riethoven, Sathish Kumar Natarajan, Ann Anderson-Berry
Department of Nutrition and Health Sciences: Faculty Publications
Objective The gastrointestinal microbiome in preterm infants exhibits significant influence on optimal outcomes–with dysbiosis shown to substantially increase the risk of the life-threatening necrotizing enterocolitis. Iron is a vital nutrient especially during the perinatal window of rapid hemoglobin production, tissue growth, and foundational neurodevelopment. However, excess colonic iron exhibits potent oxidation capacity and alters the gut microbiome–potentially facilitating the proliferation of pathological bacterial strains. Breastfed preterm infants routinely receive iron supplementation starting 14 days after delivery and are highly vulnerable to morbidities associated with gastrointestinal dysbiosis. Therefore, we set out to determine if routine iron supplementation alters the preterm gut …
A Review Of Proton Exchange Membrane Degradation Pathways, Mechanisms, And Mitigation Strategies In A Fuel Cell, Dharmjeet Madhav, Junru Wang, Rajesh Keloth, Jorben Mus, Frank Buysschaert, Veerle Vandeginste
A Review Of Proton Exchange Membrane Degradation Pathways, Mechanisms, And Mitigation Strategies In A Fuel Cell, Dharmjeet Madhav, Junru Wang, Rajesh Keloth, Jorben Mus, Frank Buysschaert, Veerle Vandeginste
Department of Chemical and Biomolecular Engineering: Faculty Publications
Proton exchange membrane fuel cells (PEMFCs) have the potential to tackle major challenges associated with fossil fuel-sourced energy consumption. Nafion, a perfluorosulfonic acid (PFSA) membrane that has high proton conductivity and good chemical stability, is a standard proton exchange membrane (PEM) used in PEMFCs. However, PEM degradation is one of the significant issues in the long-term operation of PEMFCs. Membrane degradation can lead to a decrease in the performance and the lifespan of PEMFCs. The membrane can degrade through chemical, mechanical, and thermal pathways. This paper reviews the different causes of all three routes of PFSA degradation, underlying mechanisms, their …
Copper−Cystine Biohybrid-Embedded Nanofiber Aerogels Show Antibacterial And Angiogenic Properties, Anik Karan, Navatha S. Polavaram, Margarita Darder, Yajuan Su, Syed Muntazir Andrabi, S M Shatil Shahriar, Johnson V. John, Zeyu Luo, Mark A. Decoster, Yu Shrike Zhang, Jingwei Xie
Copper−Cystine Biohybrid-Embedded Nanofiber Aerogels Show Antibacterial And Angiogenic Properties, Anik Karan, Navatha S. Polavaram, Margarita Darder, Yajuan Su, Syed Muntazir Andrabi, S M Shatil Shahriar, Johnson V. John, Zeyu Luo, Mark A. Decoster, Yu Shrike Zhang, Jingwei Xie
Department of Mechanical and Materials Engineering: Faculty Publications
Copper−cystine-based high aspect ratio structures (CuHARS) possess exceptional physical and chemical properties and exhibit remarkable biodegradability in human physiological conditions. Extensive testing has confirmed the biocompatibility and biodegradability of CuHARS under diverse biological conditions, making them a viable source of essential Cu2+. These ions are vital for catalyzing the production of nitric oxide (NO) from the decomposition of Snitrosothiols (RSNOs) found in human blood. The ability of CuHARS to act as a Cu2+ donor under specific concentrations has been demonstrated in this study, resulting in the generation of elevated levels of NO. Consequently, this dual function makes …
Taxonomic Notes On The Cladodinae, Lampyrinae, And Lampyrinae/Lampyridae Incertae Sedis (Coleoptera: Lampyridae), Oliver Keller, Gavin J. Martin
Taxonomic Notes On The Cladodinae, Lampyrinae, And Lampyrinae/Lampyridae Incertae Sedis (Coleoptera: Lampyridae), Oliver Keller, Gavin J. Martin
Insecta Mundi
We propose several nomenclatural changes for taxa in the subfamily Cladodinae and the lampyrid tribes Cratomorphini, Lamprocerini, Lampyrini, Photinini, and Pleotomini in the subfamily Lampyrinae (Coleoptera: Lampyridae). We present evidence for the correct year of description of Calotrachelum flavolineatum Pic, 1941, Diaphanes lateapicalis breveapicalis Pic, 1954, Photinus conradti Pic, 1940, and all species described by Charles Émile Blanchard. Spellings are corrected for Diaphanes lateapicalis breveapicalis Pic, 1954, Diaphanes latipennis dartevillei Pic, 1952, Diaphanes longecarinatus Pic, 1955, Diaphanes moultoni latemarginatus Pic, 1938, Lampyris olivieriana von Heyden, 1890, and Photinus reductemarginalis Pic, 1941. We propose Lucidota puertoestrellaensis Keller and Martin nomen novum …
Hybridization And Gene Expression: Beyond Differentially Expressed Genes, Anna Runemark, Emily C. Moore, Erica L. Larson
Hybridization And Gene Expression: Beyond Differentially Expressed Genes, Anna Runemark, Emily C. Moore, Erica L. Larson
School of Biological Sciences: Faculty Publications
Gene expression has a key role in reproductive isolation, and studies of hybrid gene expression have identified mechanisms causing hybrid sterility. Here, we review the evidence for altered gene expression following hybridization and outline the mechanisms shown to contribute to altered gene expression in hybrids. Transgressive gene expression, transcending that of both parental species, is pervasive in early generation sterile hybrids, but also frequently observed in viable, fertile hybrids. We highlight studies showing that hybridization can result in transgressive gene expression, also in established hybrid lineages or species. Such extreme patterns of gene expression in stabilized hybrid taxa suggest that …
Blood Lead, Cadmium And Hair Mercury Concentrations And Association With Soil, Dust And Occupational Factors In E-Waste Recycling Workers In Bangladesh, Sarker Masud Parvez, Farjana Jahan, Jaynal Abedin, Mahbubur Rahman, Shaikh Sharif Hasan, Nafisa Islam, Nirupam Aich, Mohammad Moniruzzaman, Zahir Islam, Masatake Fujimura, Rubhana Raqib, Luke D. Knibbs, Peter D. Sly
Blood Lead, Cadmium And Hair Mercury Concentrations And Association With Soil, Dust And Occupational Factors In E-Waste Recycling Workers In Bangladesh, Sarker Masud Parvez, Farjana Jahan, Jaynal Abedin, Mahbubur Rahman, Shaikh Sharif Hasan, Nafisa Islam, Nirupam Aich, Mohammad Moniruzzaman, Zahir Islam, Masatake Fujimura, Rubhana Raqib, Luke D. Knibbs, Peter D. Sly
Department of Civil and Environmental Engineering: Faculty Publications
Background: Electronic waste (e-waste) recycling activities release toxic metals, which pose substantial hazard to the environment and human health. We evaluated metal concentrations in biological and environmental samples, and examined the associations between biological lead (Pb), cadmium (Cd), and mercury (Hg) with soil and dust metals, and other possible determinants, among populations exposed and non-exposed to e-waste in Bangladesh.
Methods: A total of 199 e-waste workers and 104 non-exposed individuals were recruited. We measured blood Pb (BPb) and Cd (BCd) concentrations and total Hg (THg) from hair samples. Data were collected on occupational, and behavioral factors. We fitted …
Development Of The Quantitative Modelling Observation Protocol (Qmop) For Undergraduate Biology Courses: Validity Evidence For Score Interpretation And Uses, Lyrica Lucas, Anum Khushal, Robert Mayes, Brian Couch, Joseph Dauer
Development Of The Quantitative Modelling Observation Protocol (Qmop) For Undergraduate Biology Courses: Validity Evidence For Score Interpretation And Uses, Lyrica Lucas, Anum Khushal, Robert Mayes, Brian Couch, Joseph Dauer
School of Natural Resources: Faculty Publications
Educational reform priorities such as emphasis on quantitative modelling (QM) have positioned undergraduate biology instructors as designers of QM experiences to engage students in authentic science practices that support the development of datadriven and evidence-based reasoning. Yet, little is known about how biology instructors adapt to the pedagogical movement towards incorporating QM opportunities for students in the courses they teach. This study presents the development of the Quantitative Modelling Observation Protocol (QMOP), a classroom observation instrument designed to support the need to characterise various approaches that instructors use to implement QM instruction in undergraduate biology. QMOP provides information about the …
Disruption Of The Sorghum Circadian Clock Impacts Sorghum-Sugarcane Aphid Interaction Dynamics And Aphid Feeding Behavior, Kumar Shrestha, Prince Zogli, Lise Pingault, Sajjan Grover, Juan Betancurt Cardona, Joe Louis
Disruption Of The Sorghum Circadian Clock Impacts Sorghum-Sugarcane Aphid Interaction Dynamics And Aphid Feeding Behavior, Kumar Shrestha, Prince Zogli, Lise Pingault, Sajjan Grover, Juan Betancurt Cardona, Joe Louis
Department of Entomology: Faculty Publications
Circadian clocks play a pivotal role in orchestrating metabolic rhythms in response to environmental stress. Sorghum bicolor (sorghum), a multipurpose cereal crop, suffers severe growth and yield reduction due to feeding by sugarcane aphids (SCA; Melanaphis sacchari), which are phloem-feeding pests. Previously, it has been shown that sorghum utilizes a multitude of defense mechanisms to curb SCA colonization. However, our understanding of the impact of circadian clock on sorghum-aphid interaction dynamics is limited. To explore this, a time-series transcriptomics was conducted on sorghum plants in disrupted circadian rhythm with and without SCA infestation. Transcriptomic analysis revealed a total of …
3d Learning Spaces For Second Language Learning, Emma Olson
3d Learning Spaces For Second Language Learning, Emma Olson
Honors Program: Senior Projects (Public)
Many language teaching techniques and approaches have been used and adapted to culminate in the development of Communicative Language Teaching, which focuses on developing functional proficiency and communicative competence. 3D learning spaces are becoming increasingly more popular for language learning as well, and more specifically, socially-based virtual worlds (or “metaverses”) make good educational tools for developing communicative competence, as they engage learners in situational and experiential learning through increasing authenticity, lowering anxiety levels (i.e., affective filters), and allowing for the development of tools that can support both structured and spontaneous speaking opportunities. After a brief literature review, this thesis therefore …
Declining Pronghorn (Antilocapra Americana) Population Productivity Caused By Woody Encroachment And Oil And Gas Development, Victoria M. Donovan, Jeffrey L. Beck, Carissa L. Wonkka, Caleb P. Roberts, Craig R. Allen, Dirac L. Twidwell Jr
Declining Pronghorn (Antilocapra Americana) Population Productivity Caused By Woody Encroachment And Oil And Gas Development, Victoria M. Donovan, Jeffrey L. Beck, Carissa L. Wonkka, Caleb P. Roberts, Craig R. Allen, Dirac L. Twidwell Jr
School of Natural Resources: Faculty Publications
Conservation is increasingly focused on preventing losses in species’ populations before they occur. Tracking changes in demographic parameters that can impact a population’s resilience in response to drivers of global change can support early conservation efforts. We assessed trends in population productivity (late summer juveniles per 100 females) relative to drivers of global change in 40 pronghorn (Antilocapra americana) herds across sagebrush (Artemisia spp.) steppe in Wyoming. Pronghorn are an iconic rangeland species that have been exposed to increasing levels of anthropogenic, climatic, and land-use change. Using data collected across the state of Wyoming, we (1) assessed …
A Systematic Review Of Fourth Industrial Revolution Technologies In Smart Irrigation: Constraints, Opportunities, And Future Prospects For Sub-Saharan Africa, Joshua Wanyama, Erion Bwambale, Shafik Kiraga, Abia Katimbo, Prossie Nakawuka, Isa Kabenge, Isaac Oluk
A Systematic Review Of Fourth Industrial Revolution Technologies In Smart Irrigation: Constraints, Opportunities, And Future Prospects For Sub-Saharan Africa, Joshua Wanyama, Erion Bwambale, Shafik Kiraga, Abia Katimbo, Prossie Nakawuka, Isa Kabenge, Isaac Oluk
Department of Agricultural and Biological Systems Engineering: Faculty Publications
The adoption of Fourth Industrial Revolution (4IR) technologies has revolutionized agricultural practices worldwide. However, their application in the context of sub-Saharan Africa remains a critical challenge. This study presents a systematic review that investigates the potential of 4IR technologies in smart irrigation. Sub- Saharan Africa faces multiple agricultural challenges, exacerbated by climate change, water scarcity, and inefficient irrigation practices. The need for sustainable, water-efficient, and data-driven irrigation systems is urgent to ensure food security and economic development in the region. This study addresses a crucial knowledge gap by assessing the constraints, opportunities, and prospects of implementing 4IR technologies for smart …
U.S. Cereal Rye Winter Cover Crop Growth Database, Alexandra M. Huddell, Resham Thapa, Guillermo S. Marcillo, Lori J. Abendroth, Victoria J. Ackroyd, Shalamar D. Armstrong, Gautam Asmita, Muthukumar V. Bagavathiannan, Kipling S. Balkcom, Andrea Basche, Shawn Beam, Kevin Bradley, Lucas Pecci Canisares, Heather Darby, Adam S. Davis, Pratap Devkota, Warren A. Dick, Jeffery A. Evans, Wesley J. Everman, Tauana Ferreira De A Lmeida, Michael L. Flessner, Lisa M. Fultz, Stefan Gailans, Masoud Hashemi, Joseph Haymaker, Matthew J. Helmers, Nicholas Jordan, Thomas C. Kaspar, Quirine M. Ketterings, Eileen Kladivko, Alexandra Kravchenko, Eugene P. Law, Lauren Lazaro, Ramon G. Leon, Jeffrey Liebert, John Lindquist, Kristen Loria, Jodie M. Mcvane, Jarrod O. Miller, Michael J. Mulvaney, Nsalambi V. Nkongolo, Jason K. Norsworthy, Binaya Parajuli, Christopher Pelzer, Cara Peterson, Hanna Poffenbarger, Pratima Poudel, Mark S. Reiter, Matt Ruark, Matthew R. Ryan, Spencer Samuelson, John E. Sawyer, Sarah Seehaver, Lovreet S. Shergill, Yogendra Raj Upadhyaya, Mark Vangessel, Ashley L. Waggoner, John M. Wallace, Samantha Wells, Charles White, Bethany Wolters, Alex Woodley, Rongzhong Ye, Eric Youngerman, Brian A. Needelman, Steven B. Mirsky
U.S. Cereal Rye Winter Cover Crop Growth Database, Alexandra M. Huddell, Resham Thapa, Guillermo S. Marcillo, Lori J. Abendroth, Victoria J. Ackroyd, Shalamar D. Armstrong, Gautam Asmita, Muthukumar V. Bagavathiannan, Kipling S. Balkcom, Andrea Basche, Shawn Beam, Kevin Bradley, Lucas Pecci Canisares, Heather Darby, Adam S. Davis, Pratap Devkota, Warren A. Dick, Jeffery A. Evans, Wesley J. Everman, Tauana Ferreira De A Lmeida, Michael L. Flessner, Lisa M. Fultz, Stefan Gailans, Masoud Hashemi, Joseph Haymaker, Matthew J. Helmers, Nicholas Jordan, Thomas C. Kaspar, Quirine M. Ketterings, Eileen Kladivko, Alexandra Kravchenko, Eugene P. Law, Lauren Lazaro, Ramon G. Leon, Jeffrey Liebert, John Lindquist, Kristen Loria, Jodie M. Mcvane, Jarrod O. Miller, Michael J. Mulvaney, Nsalambi V. Nkongolo, Jason K. Norsworthy, Binaya Parajuli, Christopher Pelzer, Cara Peterson, Hanna Poffenbarger, Pratima Poudel, Mark S. Reiter, Matt Ruark, Matthew R. Ryan, Spencer Samuelson, John E. Sawyer, Sarah Seehaver, Lovreet S. Shergill, Yogendra Raj Upadhyaya, Mark Vangessel, Ashley L. Waggoner, John M. Wallace, Samantha Wells, Charles White, Bethany Wolters, Alex Woodley, Rongzhong Ye, Eric Youngerman, Brian A. Needelman, Steven B. Mirsky
Department of Agronomy and Horticulture: Faculty Publications
Winter cover crop performance metrics (i.e., vegetative biomass quantity and quality) affect ecosystem services provisions, but they vary widely due to differences in agronomic practices, soil properties, and climate. Cereal rye (Secale cereale) is the most common winter cover crop in the United States due to its winter hardiness, low seed cost, and high biomass production. We compiled data on cereal rye winter cover crop performance metrics, agronomic practices, and soil properties across the eastern half of the United States. The dataset includes a total of 5,695 cereal rye biomass observations across 208 site-years between 2001–2022 and encompasses …
The 10,000-Year Biocultural History Of Fallow Deer And Its Implications For Conservation Policy, Karis H. Baker, Holly Miller, Sean Doherty, Howard W. I. Gray, Julie Daujat, Çakırlard Çakırlar, Nikolai Spassov, Katerina Trantalidou, Richard Madgwick, Angela L. Lamb, Carly Ameen, Levent Atici, Polydora Baker, Fiona Beglane, Helene Benkert, Robin Bendrey, Annelise Binois-Roman, Ruth F. Carden, Antonio Curci, Bea De Cupere, Cleia Detry, Erika Gál, Chloé Genies, Günther K. Kunst, Robert Liddiard, Rebecca Nicholson, Rossana Villa-Rojas, Joris Peters, Fabienne Pigière, Aleksander G. Pluskowski, Peta Sadler, Sandra Sicard, Lena Strid, Jack Sudds, Robert Symmons, Katie Tardio, Alejandro Valenzuela, Monique Van Veen, Sonja Vuković, Jaco Weinstock, Barbara Wilkens, Roger J. A. Wilson, Jane A. Evans, A. Rus Hoelzel, Naomi Sykes
The 10,000-Year Biocultural History Of Fallow Deer And Its Implications For Conservation Policy, Karis H. Baker, Holly Miller, Sean Doherty, Howard W. I. Gray, Julie Daujat, Çakırlard Çakırlar, Nikolai Spassov, Katerina Trantalidou, Richard Madgwick, Angela L. Lamb, Carly Ameen, Levent Atici, Polydora Baker, Fiona Beglane, Helene Benkert, Robin Bendrey, Annelise Binois-Roman, Ruth F. Carden, Antonio Curci, Bea De Cupere, Cleia Detry, Erika Gál, Chloé Genies, Günther K. Kunst, Robert Liddiard, Rebecca Nicholson, Rossana Villa-Rojas, Joris Peters, Fabienne Pigière, Aleksander G. Pluskowski, Peta Sadler, Sandra Sicard, Lena Strid, Jack Sudds, Robert Symmons, Katie Tardio, Alejandro Valenzuela, Monique Van Veen, Sonja Vuković, Jaco Weinstock, Barbara Wilkens, Roger J. A. Wilson, Jane A. Evans, A. Rus Hoelzel, Naomi Sykes
School of Global Integrative Studies: Faculty Publications
Over the last 10,000 y, humans have manipulated fallow deer populations with varying outcomes. Persian fallow deer (Dama mesopotamica) are now endangered. European fallow deer (Dama dama) are globally widespread and are simultaneously considered wild, domestic, endangered, invasive and are even the national animal of Barbuda and Antigua. Despite their close association with people, there is no consensus regarding their natural ranges or the timing and circumstances of their human-mediated translocations and extirpations. Our mitochondrial analyses of modern and archaeological specimens revealed two distinct clades of European fallow deer present in Anatolia and the Balkans. Zooarchaeological evidence …
Hymenopteran Parasitoid Complex And Fall Armyworm: A Case Study In Eastern India, Subhajit Pal, Swarnali Bhattacharya, Tapamay Dhar, Ankita Gupta, Arunava Ghosh, Sandip Debnath, Nikhitha Gangavarapu, Prajna Pati, Nilanjana Chaudhuri, Hirak Chatterjee, Sabita Kumar Senapati, Prateek Madhab Bhattacharya, Mahesh Kumar Gathala, Alison M. Laing
Hymenopteran Parasitoid Complex And Fall Armyworm: A Case Study In Eastern India, Subhajit Pal, Swarnali Bhattacharya, Tapamay Dhar, Ankita Gupta, Arunava Ghosh, Sandip Debnath, Nikhitha Gangavarapu, Prajna Pati, Nilanjana Chaudhuri, Hirak Chatterjee, Sabita Kumar Senapati, Prateek Madhab Bhattacharya, Mahesh Kumar Gathala, Alison M. Laing
Department of Entomology: Faculty Publications
Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) has significantly affected maize crop yields, production efficiency, and farmers’ incomes in the Indian Eastern Gangetic Plains region since it was first observed in India in 2018. A lack of awareness by maize growers of the appropriate selection, method, and timing of insecticide application not only creates a barrier to sustainable FAW control but also contributes to increased environmental pollution, reduced human health and increased production costs. We demonstrated that FAW inflicted the most damage in early whorl growth stage of maize, regardless of whether chemical insecticides were applied. FAW egg masses and …
Charting Early Trajectories Of Executive Control With The Shape School, Caron A. C. Clark, Tiffany D. Sheffield, Nicolas Chevalier, Jennifer Mize Nelson, Sandra A. Wiebe, Kimberly Andrews Espy
Charting Early Trajectories Of Executive Control With The Shape School, Caron A. C. Clark, Tiffany D. Sheffield, Nicolas Chevalier, Jennifer Mize Nelson, Sandra A. Wiebe, Kimberly Andrews Espy
Department of Psychology: Faculty Publications
Despite acknowledgement of the importance of executive control for learning and behavior, there is a dearth of research charting its developmental trajectory as it unfolds against the background of children’s sociofamilial milieus. Using a prospective, cohort-sequential design, this study describes growth trajectories for inhibitory control and cognitive flexibility across the preschool period in relation to child sex and sociofamilial resources. At ages 3, 3.75, 4.5, and 5.25 years, children (N = 388) from a broad range of social backgrounds were assessed using the Shape School, a graduated measure of executive control incorporating baseline, inhibitory control, and cognitive flexibility conditions. …
The Impact Of Social Exclusion On Anticipatory Attentional Processing, John E. Kiat, Jacob E. Cheadle, Bridget J. Goosby
The Impact Of Social Exclusion On Anticipatory Attentional Processing, John E. Kiat, Jacob E. Cheadle, Bridget J. Goosby
Department of Sociology: Faculty Publications
The importance of understanding how we anticipate and prepare for social rejection is underscored by the mental and physical toll of continual social vigilance. In this study, we investigate the impact of social rejection on anticipatory attentional processes using the well-known Cyberball task, a paradigm in which participants engage in a game of catch with virtual avatars who after an initial period of fair-play (inclusion condition) then exclude the participant from the game (exclusion condition). The degree of anticipatory attention allocated by subjects towards the avatars was assessed by measuring P3b responses towards the avatars’ preparatory actions (i.e. the phase …