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Articles 61 - 90 of 271
Full-Text Articles in Biology
Deconstructed Plastic Substrate Preferences Of Microbial Populations From The Natural Environment, Lindsay I. Putman, Laura G. Schaerer, Ruochen Wu, Daniel G. Kulas, Ali Zolghadr, Rebecca Ong, David Shonnard, Stephen Techtmann
Deconstructed Plastic Substrate Preferences Of Microbial Populations From The Natural Environment, Lindsay I. Putman, Laura G. Schaerer, Ruochen Wu, Daniel G. Kulas, Ali Zolghadr, Rebecca Ong, David Shonnard, Stephen Techtmann
Michigan Tech Publications, Part 1
Over half of the world's plastic waste is landfilled, where it is estimated to take hundreds of years to degrade. Given the continued use and disposal of plastic products, it is vital that we develop fast and effective ways to utilize plastic waste. Here, we explore the potential of tandem chemical and biological processing to process various plastics quickly and effectively. Four samples of compost or sediment were used to set up enrichment cultures grown on mixtures of compounds, including disodium terephthalate and terephthalic acid (monomers of polyethylene terephthalate), compounds derived from the chemical deconstruction of polycarbonate, and pyrolysis oil …
Editorial: Gulf Of Mexico Estuaries: Ecology Of The Nearshore And Coastal Ecosystems Impacted By The Deepwater Horizon Oil Spill, Charles W. Martin, Paola C. López-Duarte, Jill A. Olin, Brian J. Roberts
Editorial: Gulf Of Mexico Estuaries: Ecology Of The Nearshore And Coastal Ecosystems Impacted By The Deepwater Horizon Oil Spill, Charles W. Martin, Paola C. López-Duarte, Jill A. Olin, Brian J. Roberts
Michigan Tech Publications, Part 1
No abstract provided.
Chemically Catalyzed Phytoextraction For Sustainable Cleanup Of Soil Lead Contamination In A Community Garden In Jersey City, New Jersey, Zhiming Zhang, Dibyendu Sarkar, Frances Levy, Rupali Datta
Chemically Catalyzed Phytoextraction For Sustainable Cleanup Of Soil Lead Contamination In A Community Garden In Jersey City, New Jersey, Zhiming Zhang, Dibyendu Sarkar, Frances Levy, Rupali Datta
Michigan Tech Publications, Part 1
Soil lead (Pb) contamination in Pb paint-contaminated homes is a serious health risk in urban areas. Phytoextraction is a green and sustainable technology for soil Pb remediation, but its efficiency depends on the geochemical partitioning of Pb in soil. Following successful laboratory, greenhouse, and panel experiments, a field study was conducted to demonstrate the effectiveness of a chemically catalyzed phytoextraction model for Pb removal. A biodegradable chelating agent, ethylenediaminedisuccinic acid (EDDS) was applied during Pb phytoextraction by vetiver grass (Chrysopogon zizanioides) in a Pb-contaminated community garden in Jersey City, New Jersey. Results showed that soil Pb concentration was reduced from …
Mechanical Properties And Morphological Alterations In Fiber-Based Scaffolds Affecting Tissue Engineering Outcomes, James Dolgin, Samerender Nagam Hanumantharao, Stephen Farias, Carl G. Simon, Smitha Rao
Mechanical Properties And Morphological Alterations In Fiber-Based Scaffolds Affecting Tissue Engineering Outcomes, James Dolgin, Samerender Nagam Hanumantharao, Stephen Farias, Carl G. Simon, Smitha Rao
Michigan Tech Publications, Part 1
Electrospinning is a versatile tool used to produce highly customizable nonwoven nanofiber mats of various fiber diameters, pore sizes, and alignment. It is possible to create electrospun mats from synthetic polymers, biobased polymers, and combinations thereof. The post-processing of the end products can occur in many ways, such as cross-linking, enzyme linking, and thermal curing, to achieve enhanced chemical and physical properties. Such multi-factor tunability is very promising in applications such as tissue engineering, 3D organs/organoids, and cell differentiation. While the established methods involve the use of soluble small molecules, growth factors, stereolithography, and micro-patterning, electrospinning involves an inexpensive, labor …
Microplastics In Wetlands Of West Central Ohio : Concentration And Distribution, Mitchell Link
Microplastics In Wetlands Of West Central Ohio : Concentration And Distribution, Mitchell Link
Browse all Theses and Dissertations
Wetlands provide many valuable ecosystem services; however, an emerging global contaminant—microplastic (< 5 mm)—may be degrading this important resource. Few studies have extensively surveyed microplastic distribution in wetlands over a broad spatial area. Therefore, the goal of this study is to identify where microplastics are accumulating in wetlands, and whether there is any correlation between microplastic concentration and wetland quality. Soil samples were collected from 30 wetlands in west–central Ohio. Samples were physically separated, density separated, and digested. Average microplastic concentrations were 637 ± 494 items per kg soil per wetland. Higher quality wetlands are accumulating larger concentrations of microplastics. This relationship seems to be driven by greater accumulation of microplastics in forested wetlands than in wetlands surrounded by agriculture. There is no clear distribution pattern of microplastics within wetlands. These results provide insight into the role that wetlands have in association with microplastic accumulation.
Tracking The Progression Of Defects At The Neuromuscular Junction In Huntington's Disease, Katherine A. Trittschuh
Tracking The Progression Of Defects At The Neuromuscular Junction In Huntington's Disease, Katherine A. Trittschuh
Browse all Theses and Dissertations
Huntington’s disease (HD) is a genetic disorder associated with progressive cognitive and motor decline. Recent studies in HD models suggest primary peripheral pathologies arise independent of changes in the central nervous system. Our lab found defects in skeletal muscle occurring early in the progression of disease in transgenic R6/2 HD mice, resulting in membrane hyperexcitability. Additionally, there is evidence of decreased quantal content in late-stage R6/2 mice. Here, we investigate pre-synaptic and post-synaptic function at single neuromuscular junctions (NMJ) to make direct comparisons of disease progression in the muscle membrane and motor nerve terminal. We hypothesize that muscle membrane defects …
The Impact Of Study Strategies On Academic Performance For Medical Students At Wright State University, Markia Black
The Impact Of Study Strategies On Academic Performance For Medical Students At Wright State University, Markia Black
Browse all Theses and Dissertations
Studying plays an important role in the academic success of medical students. It is likely that ineffective study skills result in poor performances on required standardized exams. There is a concern for the lack of empirical data related to what study strategies are the most productive for medical students to practice. My goal is to 1) identify what study strategies students use in their pre-clinical years of medical school, 2) determine if these strategies impact students’ performance on Comprehensive Basic Science Exams and Step 1 exam, and 3) identify study methods that best support student achievement in the pre-clinical phase …
Investigating The Mechanism Of Tdp-43 Toxicity In Yeast: A Model For Amyotrophic Lateral Sclerosis, Cassidy Nicole Alspaugh
Investigating The Mechanism Of Tdp-43 Toxicity In Yeast: A Model For Amyotrophic Lateral Sclerosis, Cassidy Nicole Alspaugh
Browse all Theses and Dissertations
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease that causes the degeneration of motor neurons which leads to loss of motor function and eventual death. Over 20 genes have been implicated in ALS’s pathogenesis, one being TARDBP, which codes for TDP-43. TDP-43 mislocalizes from the nucleus, accumulates, and then aggregates in the cytoplasm and is linked to cellular toxicity. We have modeled this aggregation and toxicity of TDP-43 in budding yeast. From genetic screens of human genes and their ability to modulate TDP-43 toxicity, we found 50 human genes that were able to reduce TDP-43 toxicity. 12 of these …
To What Extent Do Non-Native Shrubs Support Higher Trophic Levels?, Ari Zakroff
To What Extent Do Non-Native Shrubs Support Higher Trophic Levels?, Ari Zakroff
Browse all Theses and Dissertations
Invasive species threaten ecosystems and economies. Globally, biological invasions are estimated to have cost over $2.1 trillion since 1970. In Eastern North American woodlands, invasive plants are rapidly displacing natives. This is concerning, because invasive plants may not support the diverse and abundant arthropod communities essential to ecosystem function. Despite the conceptual understanding of invasive shrubs’ potential to transform forest communities, scant research has focused on the effect of invasive plants on higher trophic levels here in Ohio. To address this gap, I examined the diversity and abundance of arthropod communities, caterpillar performance, and caterpillar predation on two invasive shrubs, …
A Fecal Survey To Evaluate The Prevalence Of Enteric Viruses In Laboratory Mice, Amina Khatun
A Fecal Survey To Evaluate The Prevalence Of Enteric Viruses In Laboratory Mice, Amina Khatun
Browse all Theses and Dissertations
The study was conducted to investigate the prevalence of four enteric viruses in mouse research facilities that may not be captured by routine pathogen screening. Fecal samples were collected from contact-sentinel mouse cages between April 2022 and January 2023, and screened for the presence of viral genome by RT-qPCR. Out of a total of 50 samples, murine norovirus and murine astrovirus were detected in two (4%) and one (2%) sample, respectively, while murine adenovirus and murine rotavirus were not detected. Furthermore, all samples were screened for the presence of infectious murine noroviruses and astroviruses using the RAW264.7 and Vero cells …
Deciphering The Pathway Of Human Astrovirus Release From Infected Cells, Joshua Eduful
Deciphering The Pathway Of Human Astrovirus Release From Infected Cells, Joshua Eduful
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During infection, viruses are released from infected cells and spread to neighboring cells either through a lytic pathway (by rupturing cells), a non-lytic pathway (such as the use of extracellular vesicles), or both pathways. Human astroviruses (HAstV) are highly prevalent non-enveloped positive sense RNA viruses. They are separated into three clades, classic-type, MLB-type and VA-type, in humans. They are identified as the third leading cause of viral gastroenteritis in children, the elderly, and immunocompromised patients. Yet, little is known about the replication, transmission, immunity, and epidemiology of these viruses. Thus, I sought to investigate the possible pathways HAstV utilize to …
Characterization Of The Roles Of Mitochondria In The Toxicity Of Α-Synuclein In A Respiratory Cell Model, Breonna Elizabeth Gillespie
Characterization Of The Roles Of Mitochondria In The Toxicity Of Α-Synuclein In A Respiratory Cell Model, Breonna Elizabeth Gillespie
Browse all Theses and Dissertations
Although α-synuclein (α-syn) has been linked genetically and pathologically to Parkinson’s disease, the mechanism by which it drives disease pathogenesis is not fully understood. When α-syn is overexpressed in yeast, it forms abnormal cytoplasmic accumulations and leads to cell death, resembling the phenotypes observed in neurons. Such yeast models have been widely used to uncover molecular mechanisms of α-syn toxicity, but the induction of α-syn relies on growing yeast in galactose, a fermentable carbon source. Yeast does not require cellular respiration when grown in galactose, thus limiting the understanding of α-syn toxicity when cellular respiration is essential for neurons. We …
Optimized Production Of Second-Generation Bioethanol From A Spent C4 Grass: Vetiver (Chrysopogon Zizanioides), Sameer Neve, Dibyendu Sarkar, Zhiming Zhang, Rupali Datta
Optimized Production Of Second-Generation Bioethanol From A Spent C4 Grass: Vetiver (Chrysopogon Zizanioides), Sameer Neve, Dibyendu Sarkar, Zhiming Zhang, Rupali Datta
Michigan Tech Publications, Part 1
Vetiver grass (Chrysopogon zizanioides) is well-known for its contaminant phytoextraction potential and its capacity to reduce soil erosion, owing to its massive, dense root system. However, the shoots are not major contributors to either of these processes, and are either not utilized at all or they become part of the waste stream. It is well-recognized that lignocellulosic biomass can serve as a source of raw material to produce second-generation bioethanol. This study investigated the simultaneous saccharification and fermentation (SSF) of acid–alkali pretreated vetiver (VG) shoots by Saccharomyces cerevisiae. Vetiver shoots were obtained from three sources: (1) shoots from VG grown …
An Updated Nomenclature For Plant Ribosomal Protein Genes, M Regina Scarpin, Michael Busche, Ryan E. Martinez, Lisa C. Harper, Leonore Reiser, Dóra Szakonyi, Catharina Merchante, Ting Lan, Wei Xiong, Beixin Mo, Guiliang Tang, Xuemei Chen, Julia Bailey-Serres, Karen S. Browning, Jacob O. Brunkard
An Updated Nomenclature For Plant Ribosomal Protein Genes, M Regina Scarpin, Michael Busche, Ryan E. Martinez, Lisa C. Harper, Leonore Reiser, Dóra Szakonyi, Catharina Merchante, Ting Lan, Wei Xiong, Beixin Mo, Guiliang Tang, Xuemei Chen, Julia Bailey-Serres, Karen S. Browning, Jacob O. Brunkard
Michigan Tech Publications, Part 1
No abstract provided.
In-Vitro Cell Culture Model To Determine Toxic Effects Of Soil Arsenic Due To Direct Dermal Exposure, Manas Warke, Madeline English, Laura De Marchi, Rohan Deep Sarkar, Srinivas Kannan, Rupali Datta, Smitha Rao
In-Vitro Cell Culture Model To Determine Toxic Effects Of Soil Arsenic Due To Direct Dermal Exposure, Manas Warke, Madeline English, Laura De Marchi, Rohan Deep Sarkar, Srinivas Kannan, Rupali Datta, Smitha Rao
Michigan Tech Publications, Part 1
Arsenic (As) is one of the most toxic environmental pollutants, classified as a Class I carcinogen. Anthropogenic activities have led to an increase in As contamination of soils. Using animal models to study the health impacts of As is time and cost-prohibitive, hence attempts have been made to develop in-vitro cell culture models. However, most studies so far have not represented realistic environmental exposure conditions. We exposed Human Immortalized Keratinocyte (HaCaT) and Primary Human Dermal Fibroblasts (HDFa) cells to the water-soluble fraction of arsenic extracted from As spiked Immokalee soil to study the effect of soil As on skin cells. …
Removal Of Heavy Metals From Stormwater Runoff Using Granulated Drinking Water Treatment Residuals, Viravid Na Nagara, Dibyendu Sarkar, Evert J. Elzinga, Rupali Datta
Removal Of Heavy Metals From Stormwater Runoff Using Granulated Drinking Water Treatment Residuals, Viravid Na Nagara, Dibyendu Sarkar, Evert J. Elzinga, Rupali Datta
Michigan Tech Publications, Part 1
Stormwater runoff is a significant source of heavy metals, including cadmium (Cd), chromium (Cr), and nickel (Ni), which pose ecological and human health problems. Various filter media have been evaluated for heavy metal removal from stormwater via adsorption, most involving chemical- or energy-intensive processes. Aluminum-based drinking water treatment residuals (WTR), a non-hazardous byproduct of drinking water treatment, are an inexpensive sorbent for heavy metals. However, the low permeability of WTR is a problem and requires mixing with sand and carbon materials to improve flow; but such amendments also reduce its sorption capacity. To overcome this problem, a granulated WTR sorbent …
Correlation Of Phosphorus Adsorption With Chemical Properties Of Aluminum-Based Drinking Water Treatment Residuals Collected From Various Parts Of The United States, Roxana Rahmati, Virinder Sidhu, Rosita Nunez, Rupali Datta, Dibyendu Sarkar
Correlation Of Phosphorus Adsorption With Chemical Properties Of Aluminum-Based Drinking Water Treatment Residuals Collected From Various Parts Of The United States, Roxana Rahmati, Virinder Sidhu, Rosita Nunez, Rupali Datta, Dibyendu Sarkar
Michigan Tech Publications, Part 1
Over the past several decades, the value of drinking water treatment residuals (WTRs), a byproduct of the coagulation process during water purification, has been recognized in various environmental applications, including sustainable remediation of phosphorus (P)-enriched soils. Aluminum-based WTRs (Al-WTRs) are suitable adsorbent materials for P, which can be obtained and processed inexpensively. However, given their heterogeneous nature, it is essential to identify an easily analyzable chemical property that can predict the capability of Al-WTRs to bind P before soil amendment. To address this issue, thirteen Al-WTRs were collected from various geographical locations around the United States. The non-hazardous nature of …
Phosphorus And Heavy Metals Removal From Stormwater Runoff Using Granulated Industrial Waste For Retrofitting Catch Basins, Viravid Na Nagara, Dibyendu Sarkar, Rupali Datta
Phosphorus And Heavy Metals Removal From Stormwater Runoff Using Granulated Industrial Waste For Retrofitting Catch Basins, Viravid Na Nagara, Dibyendu Sarkar, Rupali Datta
Michigan Tech Publications, Part 1
Phosphorus and heavy metals are washed off and transported with stormwater runoff to nearby surface water bodies resulting in environmental and human health risks. Catch basins remain one of the primary gateways through which stormwater runoff and pollutants from urban areas are transported. Retrofitting catch basins to enhance their phosphorus and heavy metal removal can be an effective approach. In this study, aluminum-based water treatment residual (WTR, a non-hazardous byproduct of the water treatment process) was granulated via a green method to serve as a sustainable filter material, called WTR granules, for enhancing the capabilities of catch basins to remove …
The Use Of Non-Model Drosophila Species To Study Natural Variation In Tor Pathway Signaling, Tessa Steenwinkel, Kailee K. Hamre, Thomas Werner
The Use Of Non-Model Drosophila Species To Study Natural Variation In Tor Pathway Signaling, Tessa Steenwinkel, Kailee K. Hamre, Thomas Werner
Michigan Tech Publications, Part 1
Nutrition and growth are strongly linked, but not much is known about how nutrition leads to growth. To understand the connection between nutrition through the diet, growth, and proliferation, we need to study the phenotypes resulting from the activation and inhibition of central metabolic pathways. One of the most highly conserved metabolic pathways across eukaryotes is the Target of Rapamycin (TOR) pathway, whose primary role is to detect the availability of nutrients and to either induce or halt cellular growth. Here we used the model organism Drosophila melanogaster (D. mel.) and three non-model Drosophila species with different dietary needs, Drosophila …
High Daily And Year-Round Variability In Denitrification And Nitrogen Fixation In A Northern Temperate River, Kevin Nevorski, Amy M. Marcarelli
High Daily And Year-Round Variability In Denitrification And Nitrogen Fixation In A Northern Temperate River, Kevin Nevorski, Amy M. Marcarelli
Michigan Tech Publications, Part 1
Rates of nitrogen (N) cycling processes like denitrification and dinitrogen (N2) fixation, which together are the primary contributors to N2 flux rates from surface waters, may change at different time scales from seasons to weeks to days. Yet, we know little about the magnitude, mechanisms or drivers of these temporal changes, especially at shorter daily and weekly timescales. Quantifying variation in rates and drivers across temporal scales is essential to understand how nutrient cycling processes operate in aquatic ecosystems and predict how they may respond to shifting seasonal dynamics caused by global change (i.e., earlier snowmelt and extreme weather events). …
Virucidal N95 Respirator Face Masks Via Ultrathin Surface-Grafted Quaternary Ammonium Polymer Coatings, Mirco Sorci, Tanner D. Fink, Vaishali Sharma, Sneha Singh, Ruiwen Chen, Brigitte L. Arduini, Katharine Dovidenko, Caryn L. Heldt, Edmund F. Palermo, R Helen Zha
Virucidal N95 Respirator Face Masks Via Ultrathin Surface-Grafted Quaternary Ammonium Polymer Coatings, Mirco Sorci, Tanner D. Fink, Vaishali Sharma, Sneha Singh, Ruiwen Chen, Brigitte L. Arduini, Katharine Dovidenko, Caryn L. Heldt, Edmund F. Palermo, R Helen Zha
Michigan Tech Publications, Part 1
N95 respirator face masks serve as effective physical barriers against airborne virus transmission, especially in a hospital setting. However, conventional filtration materials, such as nonwoven polypropylene fibers, have no inherent virucidal activity, and thus, the risk of surface contamination increases with wear time. The ability of face masks to protect against infection can be likely improved by incorporating components that deactivate viruses on contact. We present a facile method for covalently attaching antiviral quaternary ammonium polymers to the fiber surfaces of nonwoven polypropylene fabrics that are commonly used as filtration materials in N95 respirators via ultraviolet (UV)-initiated grafting of biocidal …
Classification Of Eurasian Watermilfoil (Myriophyllum Spicatum) Using Drone-Enabled Multispectral Imagery Analysis, Colin Brooks, Amanda Grimm, Amy Marcarelli, Nicholas Marion, Robert Shuchman, Michael Sayers
Classification Of Eurasian Watermilfoil (Myriophyllum Spicatum) Using Drone-Enabled Multispectral Imagery Analysis, Colin Brooks, Amanda Grimm, Amy Marcarelli, Nicholas Marion, Robert Shuchman, Michael Sayers
Michigan Tech Publications, Part 1
Remote sensing approaches that could identify species of submerged aquatic vegetation (SAV) and measure their extent in lake littoral zones would greatly enhance SAV study and management, especially if these approaches can provide faster or more accurate results than traditional field methods. Remote sensing with multispectral sensors can provide this capability, but SAV identification with this technology must address the challenges of light extinction in aquatic environments where chlorophyll, dissolved organic carbon, and suspended minerals can affect water clarity and the strength of the sensed light signal. Here, we present an uncrewed aerial system (UAS)-enabled methodology to identify the extent …
Mechanobiology In The Comorbidities Of Ehlers Danlos Syndrome, Shaina P. Royer, Sangyoon J. Han
Mechanobiology In The Comorbidities Of Ehlers Danlos Syndrome, Shaina P. Royer, Sangyoon J. Han
Michigan Tech Publications, Part 1
Ehlers-Danlos Syndromes (EDSs) are a group of connective tissue disorders, characterized by skin stretchability, joint hypermobility and instability. Mechanically, various tissues from EDS patients exhibit lowered elastic modulus and lowered ultimate strength. This change in mechanics has been associated with EDS symptoms. However, recent evidence points toward a possibility that the comorbidities of EDS could be also associated with reduced tissue stiffness. In this review, we focus on mast cell activation syndrome and impaired wound healing, comorbidities associated with the classical type (cEDS) and the hypermobile type (hEDS), respectively, and discuss potential mechanobiological pathways involved in the comorbidities.
Temporal Variation Of Bacterial Community And Nutrients In Tibetan Glacier Snowpack, Yuying Chen, Keshao Liu, Yongqin Liu, Trista J. Vick‐Majors, Feng Wang, Mukan Ji
Temporal Variation Of Bacterial Community And Nutrients In Tibetan Glacier Snowpack, Yuying Chen, Keshao Liu, Yongqin Liu, Trista J. Vick‐Majors, Feng Wang, Mukan Ji
Michigan Tech Publications, Part 1
The Tibetan Plateau harbors the largest number of glaciers outside the polar regions, which are the source of several major rivers in Asia. These glaciers are also major sources of nutrients for downstream ecosystems, while there is a little amount of data available on the nutrient transformation processes on the glacier surface. Here, we monitored the carbon and nitrogen concentration changes in a snowpit following a snowfall in the Dunde Glacier of the Tibetan Plateau. The association of carbon and nitrogen changes with bacterial community dynamics was investigated in the surface and subsurface snow (depth at 0–15 and 15–30 cm, …
Health Risk From Toxic Metals In Wild Rice Grown In Copper Mining-Impacted Sediments, Rohan Deep Sarkar, Zhiming Zhang, Manas Warke, Rupali Datta
Health Risk From Toxic Metals In Wild Rice Grown In Copper Mining-Impacted Sediments, Rohan Deep Sarkar, Zhiming Zhang, Manas Warke, Rupali Datta
Michigan Tech Publications, Part 1
Northern wild rice is of great dietary and cultural importance to the Native American population in the Upper Peninsula of Michigan. Millions of tons of mine tailings were discharged into Lake Superior and other inland lakes during the copper mining boom in the early 20th century in this area. This includes L’Anse Bay, located within the Keweenaw Bay Indian Community (KBIC) reservation. Since wild rice restoration is being encouraged by the KBIC, we investigated the distribution of toxic metals in sediments, water, and wild rice and their potential impact on human health from two locations. Sand Point sloughs on L’Anse …
Draft Genome Sequencing Of Three Glutaraldehyde-Tolerant Bacteria From Produced Water From Hydraulic Fracturing, Stephen Techtmann, Andrew L. Baldwin, Dotun Aluko, Justin Andersen, Cole Becker, Grace Chandler, Steve Forgrave, Madelyn Jones, Ina Klasner, Jared Martini, Noah Mason, Ryleigh Parsons, Nick Peterson, Erik Reynolds, Lydia Schroeder
Draft Genome Sequencing Of Three Glutaraldehyde-Tolerant Bacteria From Produced Water From Hydraulic Fracturing, Stephen Techtmann, Andrew L. Baldwin, Dotun Aluko, Justin Andersen, Cole Becker, Grace Chandler, Steve Forgrave, Madelyn Jones, Ina Klasner, Jared Martini, Noah Mason, Ryleigh Parsons, Nick Peterson, Erik Reynolds, Lydia Schroeder
Michigan Tech Publications, Part 1
Here, we report the draft genome sequence of three glutaraldehyde-resistant isolates from produced water from hydraulic fracturing operations. The three strains were identified as sp. strain G11, sp. strain G15, and sp. strain G16. The genome sequences of these isolates will provide insights into biocide resistance in hydraulic fracturing operations.
Butterfly Eyespots Evolved Via Cooption Of An Ancestral Gene-Regulatory Network That Also Patterns Antennae, Legs, And Wings, Suriya Narayanan Murugesan, Heidi Connahs, Yuji Matsuoka, Mainak Das Gupta, Galen J. Tiong, Manizah Huq, Thomas Werner, Et. Al.
Butterfly Eyespots Evolved Via Cooption Of An Ancestral Gene-Regulatory Network That Also Patterns Antennae, Legs, And Wings, Suriya Narayanan Murugesan, Heidi Connahs, Yuji Matsuoka, Mainak Das Gupta, Galen J. Tiong, Manizah Huq, Thomas Werner, Et. Al.
Michigan Tech Publications, Part 1
Butterfly eyespots are beautiful novel traits with an unknown developmental origin. Here we show that eyespots likely originated via cooption of parts of an ancestral appendage gene-regulatory network (GRN) to novel locations on the wing. Using comparative transcriptome analysis, we show that eyespots cluster most closely with antennae, relative to multiple other tissues. Furthermore, three genes essential for eyespot development, (), (), and (), share similar regulatory connections as those observed in the antennal GRN. CRISPR knockout of -regulatory elements (CREs) for and led to the loss of eyespots, antennae, legs, and also wings, demonstrating that these CREs are highly …
Understanding The Modus Operandi Of Class Ii Knox Transcription Factors In Secondary Cell Wall Biosynthesis, Akula Nookaraju, Shashank K. Pandey, Yogesh Ahlawat, Chandrashekhar P. Joshi
Understanding The Modus Operandi Of Class Ii Knox Transcription Factors In Secondary Cell Wall Biosynthesis, Akula Nookaraju, Shashank K. Pandey, Yogesh Ahlawat, Chandrashekhar P. Joshi
Michigan Tech Publications, Part 1
Lignocellulosic biomass from the secondary cell walls of plants has a veritable potential to provide some of the most appropriate raw materials for producing second-generation biofuels. Therefore, we must first understand how plants synthesize these complex secondary cell walls that consist of cellulose, hemicellulose, and lignin in order to deconstruct them later on into simple sugars to produce bioethanol via fermentation. Knotted-like homeobox (KNOX) genes encode homeodomain-containing transcription factors (TFs) that modulate various important developmental processes in plants. While Class I KNOX TF genes are mainly expressed in the shoot apical meristems of both monocot and eudicot plants and are …
Temperature-Induced Multi-Species Cohort Effects In Sympatric Snakes, Richard B. King
Temperature-Induced Multi-Species Cohort Effects In Sympatric Snakes, Richard B. King
Faculty Articles, Papers, and Other Scholarship
In reptiles, reproductive maturity is often determined by size rather than age. Consequently, growth early in life may influence population dynamics through effects on generation time and survival to reproduction. Because reproductive phenology and pre- and post-natal growth are temperature dependent, environmental conditions may induce multi-species cohort effects on body size in sympatric reptiles. I present evidence of this using 10 years of neonatal size data for three sympatric viviparous snakes, Dekay's Brown snakes (Storeria dekayi), Red-bellied Snakes (S. occipitomaculata), and Common Garter snakes (Thamnophis sirtalis). End-of-season neonatal size varied in parallel across species such that snoutvent length was 36%61% …
Impact Of Edds Dosage On Lead Phytoextraction In Contaminated Urban Residential Soils, Zhiming Zhang, Dibyendu Sarkar, Virinder Sidhu, Manas Warke, Rupali Datta
Impact Of Edds Dosage On Lead Phytoextraction In Contaminated Urban Residential Soils, Zhiming Zhang, Dibyendu Sarkar, Virinder Sidhu, Manas Warke, Rupali Datta
Michigan Tech Publications, Part 1
Lead (Pb) contamination in soils of residential properties due to peeling and chipping of Pb-based paint can cause human health problems. Phytoextraction is a green technology that has the potential to remediate soil Pb. The efficiency of phytoextraction is dependent on the geochemical forms of Pb in soil. A biodegradable chelating agent, ethylenediaminedisuccinic acid (EDDS), was previously shown to enhance Pb removal by facilitating phytoextraction. In this study, EDDS was tested at various concentrations for its potential in mobilizing Pb in urban residential soils in Jersey City, New Jersey, and San Antonio, Texas. Results show that the concentrations of plant-available …