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Articles 2011 - 2040 of 39285
Full-Text Articles in Entire DC Network
A New Species Of Parrot Snake, Leptophis (Serpentes: Colubridae) From The Brazilian Cerrado, Nelson R. Albuquerque, Roullien H. Martins, Priscila Carvalho, Donald B. Shepard, Diego J. Santana
A New Species Of Parrot Snake, Leptophis (Serpentes: Colubridae) From The Brazilian Cerrado, Nelson R. Albuquerque, Roullien H. Martins, Priscila Carvalho, Donald B. Shepard, Diego J. Santana
Biological Sciences Faculty Publications and Presentations
We describe a new species of Leptophis (parrot snake) from the Cerrado ecoregion of Brazil. The new species, L. mystacinus sp. nov., differs from all other congeners in the following unique character combination: two Spectrum Green (129) to Light Parrot Green (133) dorsolateral stripes separated by a Buff (5) vertebral stripe, usually continuous onto the tail; loreal scale absent; postocular stripe Jet Black (300), wide and long (up 11 scales long onto nuchal region); maxillary teeth 21-25; ventrals 158-173; subcaudals 141-164; black spots on head absent; supracephalic plates of head not edged with black pigment; adult color pattern lacking dark …
An Effective Secure Multi-Objective Task Scheduling Algorithm In Multi-Cloud Environment, V K S K Sai Vadapalli, Ramesh Babu Gurujukota, Phaneendra Varma Chintalapati, Satyanarayana Murty, G. Sai Chaitanya Kumar, Satish Kumar Kode
An Effective Secure Multi-Objective Task Scheduling Algorithm In Multi-Cloud Environment, V K S K Sai Vadapalli, Ramesh Babu Gurujukota, Phaneendra Varma Chintalapati, Satyanarayana Murty, G. Sai Chaitanya Kumar, Satish Kumar Kode
Karbala International Journal of Modern Science
In cloud environments, task scheduling is essential for improving performance. Nevertheless, the existence of several heterogeneous clouds makes scheduling extremely difficult, requiring increasingly advanced algorithms to manage these environments' diversity and dynamic nature. To solve this, numerous authors have created a variety of task schedulers utilizing heuristic and metaheuristic techniques. Nevertheless, it remains dynamic and challenging because task scheduling is an NP-hard issue. Furthermore, in many complicated situations, it is still problematic to guarantee security throughout the task’s execution. Therefore, this paper introduces a multi-objective security-aware task scheduler using the Crayfish Mud Ring Optimization Algorithm for a multi-cloud environment. This …
Population Variability Across Geographical Ranges: Perspectives And Challenges, Cleber Ten Caten, Tad Dallas
Population Variability Across Geographical Ranges: Perspectives And Challenges, Cleber Ten Caten, Tad Dallas
Faculty Publications
Populations fluctuate over time and across geographical space, and understanding how different factors contribute to population variability is a central goal in population ecology. There is a particular interest in identifying trends of population variability within geographical ranges as population densities of species can fluctuate substantially across geographical space. A common assumption is that populations vary more near species geographical range edges because of unsuitable environments and higher vulnerability to environmental variability in these areas. However, empirical data rarely support this expectation, suggesting that population variability is not related to its position within species geographical ranges. We propose that performance …
Evaluation Of Variable Selection Techniques On The Genetic Architecture Of Flowering Time In Maize, Felix Yeboah
Evaluation Of Variable Selection Techniques On The Genetic Architecture Of Flowering Time In Maize, Felix Yeboah
Data Science and Data Mining
In this project, we investigate several variable selection procedures to give an overview of how well they perform on a genomic dataset using three different penalized regression approaches. Comparisons between different methods were performed. These methods include Ridge, lasso, and Elastic Net. We utilized 4494 observations with 7389 SNPs gene scores to predict time to male flowering (dtoa). We assessed the performance of these three models in terms of mean square error. Not surprisingly, Lasso and Elastic Net perform better than Ridge Regression. Overall, Elastic Net performed better in predicting the time of male flowering (dtoa).
Spatiotemporal Patterns Of Chlorophyll-A Concentration In A Hypersaline Lake Using High Temporal Resolution Remotely Sensed Imagery, R. Douglas Ramsey, Soren M. Brothers, Melissa Cobo, Wayne A. Wurtsbaugh
Spatiotemporal Patterns Of Chlorophyll-A Concentration In A Hypersaline Lake Using High Temporal Resolution Remotely Sensed Imagery, R. Douglas Ramsey, Soren M. Brothers, Melissa Cobo, Wayne A. Wurtsbaugh
Wildland Resources Faculty Publications
The Great Salt Lake (GSL) is the largest saline lake in the Western Hemisphere. It supports billion-dollar industries and recreational activities, and is a vital stopping point for migratory birds. However, little is known about the spatiotemporal variation of phytoplankton biomass in the lake that supports these resources. Spectral reflectance provided by three remote sensing products was compared relative to their relationship with field measurements of chlorophyll a (Chl a). The MODIS product MCD43A4 with a 500 m spatial resolution provided the best overall ability to map the daily distribution of Chl a. The imagery indicated significant spatial …
A Global Dataset Of Nitrogen Fixation Rates Across Inland And Coastal Waters, Robinson W. Fulweiler, Megan E. Berberich, Shelby A. Rinehart, Jason M. Taylor, Michelle Catherine Kelly, Nicholas E. Ray, Autumn Oczkowski, Sawyer J. Balint, Alexandra H. Geisser, Catherine R. Mahoney, Mar Benavides, Matthew J. Church, Brianna Loeks, Silvia E. Newell, Malin Olofsson, Jimmy C. Oppong, Sarah S. Roley, Carmella Vizza, Samuel T. Wilson, Peter M. Groffman, J. Thad Scott, Amy Marcarelli
A Global Dataset Of Nitrogen Fixation Rates Across Inland And Coastal Waters, Robinson W. Fulweiler, Megan E. Berberich, Shelby A. Rinehart, Jason M. Taylor, Michelle Catherine Kelly, Nicholas E. Ray, Autumn Oczkowski, Sawyer J. Balint, Alexandra H. Geisser, Catherine R. Mahoney, Mar Benavides, Matthew J. Church, Brianna Loeks, Silvia E. Newell, Malin Olofsson, Jimmy C. Oppong, Sarah S. Roley, Carmella Vizza, Samuel T. Wilson, Peter M. Groffman, J. Thad Scott, Amy Marcarelli
Michigan Tech Publications
Biological nitrogen fixation is the conversion of dinitrogen (N2) gas into bioavailable nitrogen by microorganisms with consequences for primary production, ecosystem function, and global climate. Here we present a compiled dataset of 4793 nitrogen fixation (N2-fixation) rates measured in the water column and benthos of inland and coastal systems via the acetylene reduction assay, 15N2 labeling, or N2/Ar technique. While the data are distributed across seven continents, most observations (88%) are from the northern hemisphere. 15N2 labeling accounted for 67% of water column measurements, while the acetylene reduction assay accounted for 81% of benthic N2-fixation observations. Dataset median area-, volume-, …
Diversity And Distribution Of Hydrocarbon-Degrading Genes In The Cold Seeps From The Mediterranean And Caspian Seas, Yogita Warkhade, Laura G. Schaerer, Isaac Bigcraft, Terry C. Hazen, Stephen M. Techtmann
Diversity And Distribution Of Hydrocarbon-Degrading Genes In The Cold Seeps From The Mediterranean And Caspian Seas, Yogita Warkhade, Laura G. Schaerer, Isaac Bigcraft, Terry C. Hazen, Stephen M. Techtmann
Michigan Tech Publications
Marine cold seeps are unique ecological niches characterized by the emergence of hydrocarbons, including methane, which fosters diverse microbial communities. This study investigates the diversity and distribution of hydrocarbon-degrading genes and organisms in sediments from the Caspian and Mediterranean Seas, utilizing 16S rRNA and metagenomic sequencing to elucidate microbial community structure and functional potential. Our findings reveal distinct differences in hydrocarbon degrading gene profiles between the two seas, with pathways for aerobic and anaerobic hydrocarbon degradation co-existing in sediments from both basins. Aerobic pathways predominate in the surface sediments of the Mediterranean Sea, while anaerobic pathways are favored in the …
Plasmodium Berghei Subpellicular Microtubule Protein-1 (Pbspm-1) Is A Microtubule Stabilizing Protein That Affects Schizont Development, Manuel Joseph Widuch
Plasmodium Berghei Subpellicular Microtubule Protein-1 (Pbspm-1) Is A Microtubule Stabilizing Protein That Affects Schizont Development, Manuel Joseph Widuch
Master's Theses
In eukaryotes, microtubules (MTs) are regulated by microtubule-associated proteins (MAP), only a few of which have been characterized in the malaria parasite to date. Here we present the functional characterization of STOP axonemal protein 1 (SAXO1) of the rodent parasite Plasmodium berghei. The protein exhibits high sequence and organizational conservation to the subpellicular microtubule protein 1 (SPM1) of the apicomplexan parasite Toxoplasma gondii and SAXO1 of Trypanosoma brucei. SAXO1 proteins are conserved in most eukaryotes where they form a protein family. We refer to this protein as PbSPM1. It is a 38 kD protein that is organized into an N-terminal …
Computational Investigation Of The Unveils Nsd2 Inhibition Potential Of Berberis Vulgaris, Sambucus Nigra, And Morus Alba Through Virtual Screening, Molecular Docking, Md Simulation, And Dft Analyses, Supriyo Saha, Vanshita Gupta, Ahad Hossain, Prinsa Prinsa, Jannatul Ferdous, Kiran Bharat Lokhande, Vikash Jakhmola, Sarkar M. A. Kawsar
Computational Investigation Of The Unveils Nsd2 Inhibition Potential Of Berberis Vulgaris, Sambucus Nigra, And Morus Alba Through Virtual Screening, Molecular Docking, Md Simulation, And Dft Analyses, Supriyo Saha, Vanshita Gupta, Ahad Hossain, Prinsa Prinsa, Jannatul Ferdous, Kiran Bharat Lokhande, Vikash Jakhmola, Sarkar M. A. Kawsar
Karbala International Journal of Modern Science
Nuclear receptor binding set domain protein 2 (NSD2) plays a key role in chromatin regulation and is associated with different cancers and other developmental problems. Berries are rich in major secondary metabolites with anticancer properties. Here, we virtually screened 145 berry phytochemicals as putative NSD2 inhibitors via structure-based virtual screening, molecular docking, MD simulations, and DFT and ADMET analyses. Among them, α-carotene had the maximum docking score of -9.9 kcal/mol, followed by sulfuretin and β-amyrin. MD simulation analysis revealed that the dynamic behavior of the ligand‒NSD2 complexes was within the limit, indicating no significant changes in the structural integrity of …
Post-Transcriptional And Post-Translational Regulation Of Anthocyanin Biosynthesis In Sweetpotato By Ib-Mir2111 And Ibkfb: Implications For Health Promotion, Ruimin Tang, Cailiang Zhao, Jingjian Dong, Xiayu Liu, Lu Chang, Jianghui Li, Haitao Dong, Yuntao Lv, Zhuang Luo, Meiling Wu, Shan Shen, Qianwen Shan, Yuan Li, Qijun Chen, Runzhi Li, Liheng He, Qinghe Cao, Guiliang Tang, Xiaoyun Jia
Post-Transcriptional And Post-Translational Regulation Of Anthocyanin Biosynthesis In Sweetpotato By Ib-Mir2111 And Ibkfb: Implications For Health Promotion, Ruimin Tang, Cailiang Zhao, Jingjian Dong, Xiayu Liu, Lu Chang, Jianghui Li, Haitao Dong, Yuntao Lv, Zhuang Luo, Meiling Wu, Shan Shen, Qianwen Shan, Yuan Li, Qijun Chen, Runzhi Li, Liheng He, Qinghe Cao, Guiliang Tang, Xiaoyun Jia
Michigan Tech Publications
Introduction: Sweet potato (Ipomoea batatas (L.) Lam.) is a genetically intricate hexaploid crop. The purple-fleshed variety, enriched with anthocyanin pigments, is an outstanding source for creating high-value functional products. Previous research on anthocyanin biosynthesis has primarily focused on the above-ground plant parts at the transcriptional level. However, the regulatory mechanisms underlying anthocyanin accumulation in underground tuberous roots of sweet potato remain largely unexplored. Objectives: This study aimed to elucidate the post-transcriptional and post-translational mechanisms of Ib-miR2111 and its target gene IbKFB in anthocyanin synthesis in sweet potato. Methods: Genetic manipulation techniques were used to validate the function of Ib-miR2111 and …
Halogeton And Greasewood Poisoning In Cattle And Sheep In Utah, E. Jane Kelly, Stephen T. Lee, Ammon Brown, Daniel Cook
Halogeton And Greasewood Poisoning In Cattle And Sheep In Utah, E. Jane Kelly, Stephen T. Lee, Ammon Brown, Daniel Cook
Poisonous Plant Research (PPR)
Halogeton (Halogeton glomeratus) is a fast-growing annual plant while greasewood (Sarcobatus vermiculatus) is a perennial shrub of the Western States. Oxalates are the toxic principle in halogeton and greasewood. Most losses occur when hungry animals are allowed to graze in heavy stands of halogeton and greasewood. Halogeton and greasewood are always dangerous and become more toxic as the growing season progresses. Here we report on two clinical cases of halogeton and greasewood poisoning in cattle and sheep. Histologically, oxalate crystals were observed in the kidneys of the cow and sheep consistent with oxalate poisoning. Oxalate was …
Mitochondrial A3 Adenosine Receptor As A Mechanism For The Protective Effects Of A3ar Agonists On Chemotherapy-Induced Neuropathic Pain, Timothy M. Doyle, Kali Janes, Wen Hua Xiao, Grant R. Kolar, Hans F. Luecke, Michael Anne Gratton, Dilip K. Tosh, Kenneth A. Jacobson, Gary J. Bennett, Daniela Salvemini
Mitochondrial A3 Adenosine Receptor As A Mechanism For The Protective Effects Of A3ar Agonists On Chemotherapy-Induced Neuropathic Pain, Timothy M. Doyle, Kali Janes, Wen Hua Xiao, Grant R. Kolar, Hans F. Luecke, Michael Anne Gratton, Dilip K. Tosh, Kenneth A. Jacobson, Gary J. Bennett, Daniela Salvemini
Biological Sciences Faculty Research & Creative Works
Alterations in mitochondrial function are the linchpin in numerous disease states including in the development of chemotherapy-induced neuropathic pain (CIPN), a major dose-limiting toxicity of widely used chemotherapeutic cytotoxins. In CIPN, mitochondrial dysfunction is characterized by deficits in mitochondrial bioenergetics (e.g., decreased ATP production) that are thought to drive the degeneration of the peripheral nerve sensory axon terminal sensory arbors in the skin (the intraepidermal nerve fibers; IENFs) and induce abnormal spontaneous discharge in peripheral nerve sensory axons. Preserving mitochondrial function is anticipated to prevent CIPN. We have now discovered that the G-protein-coupled receptor, A3 adenosine receptor subtype (A3AR), is …
Investigating Student Noticing Of Quantitative Reasoning In Introductory Biology Labs, Jeremy L. Hsu, Sara Gartland, Joelle Prate, Charles Hohensee
Investigating Student Noticing Of Quantitative Reasoning In Introductory Biology Labs, Jeremy L. Hsu, Sara Gartland, Joelle Prate, Charles Hohensee
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Quantitative reasoning (QR) is a key skill for undergraduate biology education. Despite this, many students struggle with QR. Here, we use the theoretical framework of student noticing to investigate why some students struggle with QR in introductory biology labs. Under this framework, what students notice when given new information and data influences how they process this information and connect it with other events to form new conceptions. Students must mentally isolate given features, create mental records of those features, and identify features or objects that they connect to existing knowledge. Identifying these features or objects is thus critical since they …
Career: The Behavioral, Hormonal, And Neural Basis Of Coyote Monogamy, Sara M. Freeman
Career: The Behavioral, Hormonal, And Neural Basis Of Coyote Monogamy, Sara M. Freeman
Funded Research Records
No abstract provided.
The Southwest Climate Adaptation Science Center (Sw Casc), Michelle Baker
The Southwest Climate Adaptation Science Center (Sw Casc), Michelle Baker
Funded Research Records
No abstract provided.
Charting A New Vision: Lessons On Vision & Change From A Network Of Biology Educators, Jeremy L. Hsu, Anjali Misra, Michael J. Wolyniak, Carlos C. Goller, Stephanie Mathews, Uma Swamy, Dina L. Newman, Michael E. Moore
Charting A New Vision: Lessons On Vision & Change From A Network Of Biology Educators, Jeremy L. Hsu, Anjali Misra, Michael J. Wolyniak, Carlos C. Goller, Stephanie Mathews, Uma Swamy, Dina L. Newman, Michael E. Moore
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
The 2011 Vision & Change report outlined several recommendations for transforming undergraduate biology education, sparking multiple pedagogical reform efforts. Among these was the Promoting Active Learning and Mentoring (PALM) network, an NSF-funded program that provided mentorship and training to instructors on implementing active learning in the classroom. Here, we provide a perspective on how members of the biology education community in PALM view the recommendations of Vision & Change, drawing upon our experiences both as members of PALM and as leaders of an associated project funded by another NSF grant that hosted PALM alumni at various conferences. These efforts …
Tdp43 Autoregulation Gives Rise To Dominant Negative Isoforms That Are Tightly Controlled By Transcriptional And Post-Translational Mechanisms, Megan M. Dykstra, Kaitlin Weskamp, Nicolás B. Gómez, Jacob Waksmacki, Elizabeth Tank, M. Rebecca Glineburg, Allison Snyder, Emile Pinarbasi, Michael Bekier, Xingli Li, Morgan R. Miller, Jen Bai, Shameena Shahzad, Neha Nedumaran, Clare Wieland, Corey Stewart, Sydney Willey, Nikolas Grotewold, Jonathon Mcbride, John J. Moran, Aditya V. Suryakumar, Michael Lucas, Peter M. Tessier, Michael Ward, Peter K. Todd, Sami J. Barmada
Tdp43 Autoregulation Gives Rise To Dominant Negative Isoforms That Are Tightly Controlled By Transcriptional And Post-Translational Mechanisms, Megan M. Dykstra, Kaitlin Weskamp, Nicolás B. Gómez, Jacob Waksmacki, Elizabeth Tank, M. Rebecca Glineburg, Allison Snyder, Emile Pinarbasi, Michael Bekier, Xingli Li, Morgan R. Miller, Jen Bai, Shameena Shahzad, Neha Nedumaran, Clare Wieland, Corey Stewart, Sydney Willey, Nikolas Grotewold, Jonathon Mcbride, John J. Moran, Aditya V. Suryakumar, Michael Lucas, Peter M. Tessier, Michael Ward, Peter K. Todd, Sami J. Barmada
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
The nuclear RNA-binding protein TDP43 is integrally involved in the pathogenesis of amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Previous studies uncovered N-terminal TDP43 isoforms that are predominantly cytosolic in localization, prone to aggregation, and enriched in susceptible spinal motor neurons. In healthy cells, however, these shortened (s)TDP43 isoforms are difficult to detect in comparison to full-length (fl)TDP43, raising questions regarding their origin and selective regulation. Here, we show that sTDP43 is created as a by-product of TDP43 autoregulation and cleared by nonsense-mediated RNA decay (NMD). sTDP43-encoding transcripts that escape NMD are rapidly degraded post-translationally via the proteasome …
Extensive Admixture Among Karst-Obligate Salamanders Reveals Evidence Of Recent Divergence And Gene Exchange Through Aquifers, Chris C. Nice, Katherine L. Bell, Zachariah Gompert, Lauren K. Lucas, James R. Ott, Ruben U. Tovar, Paul Crump, Peter H. Diaz
Extensive Admixture Among Karst-Obligate Salamanders Reveals Evidence Of Recent Divergence And Gene Exchange Through Aquifers, Chris C. Nice, Katherine L. Bell, Zachariah Gompert, Lauren K. Lucas, James R. Ott, Ruben U. Tovar, Paul Crump, Peter H. Diaz
Biology Faculty Publications
Karst ecosystems often contain extraordinary biodiversity, but the complex underground aquifers of karst regions present challenges for assessing and conserving stygobiont diversity and investigating their evolutionary history. We examined the karst-obligate salamanders of the Eurycea neotenes species complex in the Edwards Plateau region of central Texas using population genomics data to address questions about population connectivity and the potential for gene exchange within the underlying aquifer system. The E. neotenes species complex has historically been divided into three nominal species, but their status, and spatial extent of species ranges, have remained uncertain. We discovered evidence of extensive admixture among species …
A Review And Meta-Analysis Of The Efficacy Of Arbuscular Mycorrhizal Fungi In Remediating Toxic Metals In Mine-Affected Soil, Sonali Banerjee, Jajati Mandal, Dibyendu Sarkar, Rupali Datta, Pradip Bhattacharyya
A Review And Meta-Analysis Of The Efficacy Of Arbuscular Mycorrhizal Fungi In Remediating Toxic Metals In Mine-Affected Soil, Sonali Banerjee, Jajati Mandal, Dibyendu Sarkar, Rupali Datta, Pradip Bhattacharyya
Michigan Tech Publications
Mines are natural reservoirs of various minerals, metals, and metalloids. Several heavy metals (HMs), such as Pb, Cd, Cr, Cu, and Ni, are major anthropogenic pollutants that cause severe environmental pollution. The accumulation of these toxic HMs in soils has raised several concerns for crop growth, food safety, and marketing. Physiological and biochemical processes in plants are severely impacted by HMs, disrupting normal metabolic activities and reducing biomass production. Phytoremediation plays a pivotal role in addressing HM contamination by offering an eco-friendly, economical, and holistic solution. Similarly, arbuscular mycorrhizal fungi (AMF) play a significant role by forming a symbiotic relationship …
The Role Of Neurofilament Light (Nfl) And Glial Fibrillary Acidic Protein (Gfap) In Ms And Aqp4-Nmosd: Advancing Clinical Applications., Sara Samadzadeh, Roy D. Sleator
The Role Of Neurofilament Light (Nfl) And Glial Fibrillary Acidic Protein (Gfap) In Ms And Aqp4-Nmosd: Advancing Clinical Applications., Sara Samadzadeh, Roy D. Sleator
Department of Biological Sciences Publications
Fluid biomarkers such as Glial Fibrillary Acidic Protein (GFAP) and Neurofilament Light (NfL) play important roles in the diagnosis, monitoring, and evaluation of therapeutic responses in conditions such as Multiple Sclerosis (MS) and Aquaporin-4 Neuromyelitis Optica Spectrum Disorder (AQP4-NMOSD). These biomarkers offer key insights into the underlying pathophysiological mechanisms of these diseases, enabling effective follow-up and personalized treatment approaches, which are essential for improving patient outcomes. Herein, we synthesize the structural attributes, functional roles, and clinical significance of GFAP and NfL in the context of MS and AQP4-NMOSD. We explore the critical implications of these biomarkers in disease manifestation and …
The Rad6-Like Ubiquitin Conjugase Gene Osubc7 Has A Positive Role In The Early Cold Stress Tolerance Response Of Rice, Huy Phan, Michael Schläppi
The Rad6-Like Ubiquitin Conjugase Gene Osubc7 Has A Positive Role In The Early Cold Stress Tolerance Response Of Rice, Huy Phan, Michael Schläppi
Biological Sciences Faculty Research and Publications
Background/Objectives: Cold stress poses a significant threat to Asian rice cultivation, disrupting important physiological processes crucial for seedling establishment and overall plant growth. It is, thus, crucial to elucidate genetic pathways involved in cold stress tolerance response mechanisms. Methods: We mapped OsUBC7, a Radiation-sensitive 6 (RAD6)-type homolog of rice, to a low-temperature seedling survivability (LTSS) QTL and used genomics, molecular genetics, and physiological assays to assess its role in plant resilience against low-temperature stress. Results: OsUBC7 is cold responsive and has higher expression levels in cold-tolerant japonica than cold-sensitive indica. Overexpression of OsUBC7 enhances LTSS of indica and freezing tolerance …
Using Phylogenetics And Floral Evolution Of Sicklebill Hummingbird-Pollinated Centropogon Subgenus Centropogon To Support Undergraduate Research, Janet Mansaray
Using Phylogenetics And Floral Evolution Of Sicklebill Hummingbird-Pollinated Centropogon Subgenus Centropogon To Support Undergraduate Research, Janet Mansaray
LSU Doctoral Dissertations
The genus Centropogon subgenus Centropogon, offers an ideal system for studying macroevolutionary patterns due to its diverse floral morphologies and specialized pollinator interactions. This subgenus comprises 55 species, mostly found in mid-elevation Andean forests, where many species exhibit abruptly curved flowers, often associated with pollination by sicklebill hummingbirds. Using phylogenomic approaches, we conducted the first densely sampled analysis of this group, confirming the monophyly of two sections. Our study highlighted extensive gene tree discordance, likely driven by incomplete lineage sorting. Floral curvature and inflorescence structure evolved in a correlated fashion, leading to multiple independent losses of traits linked to …
Characterization Of Dhdds Rp59 Knock-In Mouse Models Of Retinitis Pigmentosa, Mai Ngoc Nguyen
Characterization Of Dhdds Rp59 Knock-In Mouse Models Of Retinitis Pigmentosa, Mai Ngoc Nguyen
All ETDs from UAB
Cis-prenyltransferase (CPT), a prenyl chain elongation enzyme made up of two copies of dehydrodolichyl diphosphate synthase (DHDDS) and two copies of Nogo-B Receptor (NgBR), condenses metabolites from the mevalonate pathway to create dolichol, a sugar carrier required for glycosylation in all cells of the body. However, certain missense mutations in DHDDS cause non-syndromic retinitis pigmentosa (RP59). Three missense mutations, K42E, T206A, and R98W have been found in RP59 patients that present the cardinal phenotypes of RP – diminished ERG responses, attenuated retinal vessels, bone spicule-like pigmentation, and retinal thinning due to photoreceptor loss. However, no global changes in glycosylation are …
Evaluation Of Green Tea Yoghurt Enriched With Lacticaseibacillus Paracasei E1 Microcapsules On Macrophage M1 Profile In High Fat-Fructose Diet Mice, Esha Ardiansyah, Nur Alfi Maghfirotus Sa’Adah, Rahmi Izati, Belinda Nabiila Al Faizah, Dawama Nur Fadlilah, Septhyanti Aprilia Kavitarna, Mochammad Fitri Atho’Illah, Siti Nur Arifah, Yoga Dwi Jatmiko, Muhaimin Rifa’I
Evaluation Of Green Tea Yoghurt Enriched With Lacticaseibacillus Paracasei E1 Microcapsules On Macrophage M1 Profile In High Fat-Fructose Diet Mice, Esha Ardiansyah, Nur Alfi Maghfirotus Sa’Adah, Rahmi Izati, Belinda Nabiila Al Faizah, Dawama Nur Fadlilah, Septhyanti Aprilia Kavitarna, Mochammad Fitri Atho’Illah, Siti Nur Arifah, Yoga Dwi Jatmiko, Muhaimin Rifa’I
Karbala International Journal of Modern Science
Obesity is caused by an energy imbalance that increases chronic low-grade inflammation, including macrophage cell infiltration. Adipose tissue macrophages are polarized into pro-inflammatory macrophage type 1 (M1), secrete large amounts of pro-inflammatory cytokines, and activate transcription factors. Yoghurt with probiotics is popular at all ages for its health benefits and must be protected by microencapsulation. Green tea (Camellia sinensis L.) fortification provides yoghurt nutrients while improving its functional qualities and bioactivity. This study aimed to evaluate the effect of microencapsulation of Lacticaseibacillus paracasei E1 in green tea yoghurt (GTY) on the profile of M1 macrophages in mice fed a …
Role Of Ring-Box E3 Ligases In Runx2 And Sp7 Protein Turnover During Osteoblast Differentiation, Abeera Sikandar
Role Of Ring-Box E3 Ligases In Runx2 And Sp7 Protein Turnover During Osteoblast Differentiation, Abeera Sikandar
All ETDs from UAB
The bone matrix synthesis by osteoblast during skeletogenesis is regulated by several transcription factors and signaling pathways. Runx2 and Sp7 are master regulators of osteoblast differentiation and bone formation. Deletion of both genes in mice results in the complete failure of ossification. In humans, Sp7 and Runx2 genes mutations cause osteogenesis imperfecta and cleidocranial dysplasia, respectively. The progression of osteoblast differentiation requires a coordinated and temporal expression of Runx2 and Sp7 genes. Posttranslational modifications regulate the cellular levels and function of Runx2 and Sp7 proteins. Ubiquitination controls protein turnover through targeted degradation. The multi-subunit SCF-complex is the largest class of …
Metal-Rich Lacustrine Sediments From Legacy Mining Perpetuate Copper Exposure To Aquatic-Riparian Food Webs, Brittany G. Perrotta, Karen A. Kidd, Kate M. Campbell, Marie-Noële Croteau, Tyler J. Kane, Amy Marcarelli, R Blaine Mccleskey, Gordon Paterson, Craig A. Stricker, David M. Walters
Metal-Rich Lacustrine Sediments From Legacy Mining Perpetuate Copper Exposure To Aquatic-Riparian Food Webs, Brittany G. Perrotta, Karen A. Kidd, Kate M. Campbell, Marie-Noële Croteau, Tyler J. Kane, Amy Marcarelli, R Blaine Mccleskey, Gordon Paterson, Craig A. Stricker, David M. Walters
Michigan Tech Publications
Historic copper mining left a legacy of metal-rich tailings resulting in ecological impacts along and within Torch Lake, an area of concern in the Keweenaw Peninsula, Michigan, USA. Given the toxicity of copper to invertebrates, this study assessed the influence of this legacy on present day nearshore aquatic and terrestrial ecosystems. We measured the metal (Co, Cu, Ni, Zn, Cd) and metalloid (As) concentrations in sediment, pore water, surface water, larval and adult insects, and two riparian spider taxa collected from Torch Lake and a nearby reference lake. Overall, elevated metal and metalloid concentrations, particularly Cu, were measured in all …
Single Nucleus Multiomics Reveals The Drought-Driven Gene Regulatory Atlas In Arabidopsis, Jinbao Liu
Single Nucleus Multiomics Reveals The Drought-Driven Gene Regulatory Atlas In Arabidopsis, Jinbao Liu
All ETDs from UAB
The regulation of gene expression in plant responses to drought has been thoroughly in-vestigated in previous studies. Despite this, a detailed understanding of the cell type-specific regulatory mechanisms, encompassing multi-layered biological processes, is lack-ing. In this study, we report the use of single nucleus multiomic analysis in Arabidopsis seedlings in response to drought stress. Our single-nuclei RNA (snRNA) analysis deline-ated 14 distinct clusters representing major root and shoot cell types and discovered new cell type-specific drought markers. Integration of snRNA with single-nuclei ATAC (snATAC) data in leaf epidermis, root endodermis, and guard cells revealed accessible chromatin regions (ACRs)-linked genes predominantly …
The Evolutionary Ecology Of Reproductive System Variation In Haploid-Diploid Freshwater Red Macroalgae, Sarah Connelly
The Evolutionary Ecology Of Reproductive System Variation In Haploid-Diploid Freshwater Red Macroalgae, Sarah Connelly
All ETDs from UAB
Reproductive systems describe the relative rates of sexual versus asexual reproduction and selfing versus outcrossing, governing the transmission of genetic diversity between generations and shaping evolutionary responses to environmental change. Though sex has inherent costs, it contributes to the reproductive system for most eukaryotes, generating incredible life cycle diversity. Life cycles are expected to be correlated with different reproductive systems. Diploid life cycles should be associated with outcrossing, whereas life cycles with a long-lived haploid phase are hypothesized to be associated with selfing and asexual reproduction. To test this hypothesis, we used ten polymorphic microsatellite loci to genotype 311 gametophytes …
Metabolic And Physiological Characteristics Of Diet Manipulation And Genetic Modification In Two Rat Models Of Aging, Soe Maung Maung Phone Myint
Metabolic And Physiological Characteristics Of Diet Manipulation And Genetic Modification In Two Rat Models Of Aging, Soe Maung Maung Phone Myint
All ETDs from UAB
As society and human civilization advances, humans have begun to live longer and most people live to be longer than 60, which was not the case several decades ago. According to the World Health Organization(WHO), by the turn of the next decade at 2030, 1 in 6 people will be 60 years or older, accounting for almost 1.4 billion people. Aging affects people differently but in general, it has a propensity to induce widespread and progressive molecular and cellular damage which leads to a myriad of diseases and eventually death. The greatest risk factor for most of the chronic diseases …
Fta™ Card Use For Detection Of Mycoplasma Gallisepticum In Wild Birds, Linda Purvis, Dawn E.W. Drumtra
Fta™ Card Use For Detection Of Mycoplasma Gallisepticum In Wild Birds, Linda Purvis, Dawn E.W. Drumtra
Georgia Journal of Science
Flinders Technology Associates (FTA) cards are increasingly accepted as an accurate method for nucleic acid detection, including testing for the presence of various avian diseases. However, the accuracy of FTA cards for detection of Mycoplasma gallisepticum (MG) in wild birds has not been published. Traditional techniques for testing MG in birds include serum plate agglutanation (SPA), hemagglutination inhibition (HI), polymerase chain reaction (PCR), and enzyme linked immunosorbent assay (ELISA) all of which are time consuming and require significant financial investment into specialized equipment. We tested the efficacy of using FTA cards to detect MG in wild bird carcasses collected in …