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Articles 31 - 60 of 1283
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Bola3 And Nfu1 Link Mitoribosome Iron-Sulfur Cluster Assembly To Multiple Mitochondrial Dysfunctions Syndrome, Hui Zhong, Alexandre Janer, Oleh Khalimonchuk, Hana Antonicka, Eric Shoubridge, Antoni Barrientos
Bola3 And Nfu1 Link Mitoribosome Iron-Sulfur Cluster Assembly To Multiple Mitochondrial Dysfunctions Syndrome, Hui Zhong, Alexandre Janer, Oleh Khalimonchuk, Hana Antonicka, Eric Shoubridge, Antoni Barrientos
Department of Biochemistry: Faculty Publications
The human mitochondrial ribosome contains three [2Fe-2S] clusters whose assembly pathway, role, and implications for mitochondrial and metabolic diseases are unknown. Here, structure-function correlation studies show that the clusters play a structural role during mitoribosome assembly. To uncover the assembly pathway, we have examined the effect of silencing the expression of Fe-S cluster biosynthetic and delivery factors on mitoribosome stability. We find that the mitoribosome receives its [2Fe-2S] clusters from the GLRX5-BOLA3 node. Additionally, the assembly of the small subunit depends on the mitoribosome biogenesis factor METTL17, recently reported containing a [4Fe-4S] cluster, which we propose is inserted via the …
Serological Prevalence Of Crimean–Congo Hemorrhagic Fever Virus Infection In Small Ruminants And Cattle In The Gambia, Jerusha Matthews, Arss Secka, David Scott Mcvey, Kimberly A. Dodd, Bonto Faburay
Serological Prevalence Of Crimean–Congo Hemorrhagic Fever Virus Infection In Small Ruminants And Cattle In The Gambia, Jerusha Matthews, Arss Secka, David Scott Mcvey, Kimberly A. Dodd, Bonto Faburay
School of Veterinary and Biomedical Sciences: Faculty Publications
Crimean–Congo hemorrhagic fever virus (CCHFV) is a widely distributed tickborne zoonotic agent that infects a variety of host species. There is a lack of information on the true geographic distribution of the prevalence and risk of CCHFV in West Africa. A countrywide cross-sectional study involving 1413 extensively managed indigenous small ruminants and cattle at livestock sales markets and in village herds, respectively, was carried out in The Gambia. In sheep, an overall anti-CCHFV antibody prevalence of 18.9% (95% CI: 15.5–22.8%), goats 9.0% (95% CI: 6.7–11.7%), and cattle 59.9% (95% CI: 54.9–64.7%) was detected. Significant variation (p < 0.05) in the prevalence of anti-CCHFV antibodies at sites in the five administrative regions (sheep: 4.8–25.9%; goats: 1.8–17.1%) and three agroecological zones (sheep: 8.9–32.9%; goats: 4.1–18.0%) was also observed. Comparatively, higher anti-CCHFV antibody prevalence was detected in cattle (33.3–84.0%) compared to small ruminants (1.8–8.1%). This study represents the first countrywide investigation of the seroprevalence of CCHFV in The Gambia, and the results suggest potential circulation and endemicity of the virus in the country. These data provide critical information vital to the development of informed policies for the surveillance, diagnosis, and control of CCFHV infection in The Gambia and the region.
A Ferritin Nanoparticle-Based Zika Virus Vaccine Candidate Induces Robust Humoral And Cellular Immune Responses And Protects Mice From Lethal Virus Challenge, Aryamav Pattnaik, Bikash R. Sahoo, Lucas R. Struble, Gloria E. O. Borgstahl, You Zhou, Rodrigo Franco, Raul G. Barletta, Fernando A. Osorio, Thomas M. Petro, Asit K. Pattnaik
A Ferritin Nanoparticle-Based Zika Virus Vaccine Candidate Induces Robust Humoral And Cellular Immune Responses And Protects Mice From Lethal Virus Challenge, Aryamav Pattnaik, Bikash R. Sahoo, Lucas R. Struble, Gloria E. O. Borgstahl, You Zhou, Rodrigo Franco, Raul G. Barletta, Fernando A. Osorio, Thomas M. Petro, Asit K. Pattnaik
School of Veterinary and Biomedical Sciences: Faculty Publications
The severe consequences of the Zika virus (ZIKV) infections resulting in congenital Zika syndrome in infants and the autoimmune Guillain–Barre syndrome in adults warrant the development of safe and efficacious vaccines and therapeutics. Currently, there are no approved treatment options for ZIKV infection. Herein, we describe the development of a bacterial ferritin-based nanoparticle vaccine candidate for ZIKV. The viral envelope (E) protein domain III (DIII) was fused in-frame at the amino-terminus of ferritin. The resulting nanoparticle displaying the DIII was examined for its ability to induce immune responses and protect vaccinated animals upon lethal virus challenge. Our results show that …
Time And Temperature Stability Of Tritrichomonas Foetus In Phosphate-Buffered Saline As Evaluated By A Reverse Transcription Real-Time Pcr Assay And Field Analysis, Duan S. Loy, Renata Spuri Gomes, Enakshy Dutta, Bruce W. Brodersen, John Dustin Loy
Time And Temperature Stability Of Tritrichomonas Foetus In Phosphate-Buffered Saline As Evaluated By A Reverse Transcription Real-Time Pcr Assay And Field Analysis, Duan S. Loy, Renata Spuri Gomes, Enakshy Dutta, Bruce W. Brodersen, John Dustin Loy
School of Veterinary and Biomedical Sciences: Faculty Publications
Tritrichomonas foetus (TF) is a significant reproductive pathogen of cattle, and sample collection, handling, transport, and testing are significant hurdles to surveillance programs. Recent methods have been developed that allow for the direct detection of TF using a reverse transcription real-time PCR (direct RT-qPCR) approach. To evaluate these methods, a comparative analysis was conducted to assess the technical performance of this assay with a commercially available real- time PCR (qPCR) assay. In addition, the evaluation of two types of collection media (PBS and TF transport tube) was conducted that evaluated sample stability from 0 to 3 days when stored at …
A Multiscale Mechanistic Model Of Human Dendritic Cells For In-Silico Investigation Of Immune Responses And Novel Therapeutics Discovery, Sara Sadat Aghamiri, Bhanwar Lal Puniya, Rada Amin, Tomáš Helikar
A Multiscale Mechanistic Model Of Human Dendritic Cells For In-Silico Investigation Of Immune Responses And Novel Therapeutics Discovery, Sara Sadat Aghamiri, Bhanwar Lal Puniya, Rada Amin, Tomáš Helikar
Department of Biochemistry: Faculty Publications
Dendritic cells (DCs) are professional antigen-presenting cells (APCs) with the unique ability to mediate inflammatory responses of the immune system. Given the critical role of DCs in shaping immunity, they present an attractive avenue as a therapeutic target to program the immune system and reverse immune disease disorders. To ensure appropriate immune response, DCs utilize intricate and complex molecular and cellular interactions that converge into a seamless phenotype. Computational models open novel frontiers in research by integrating large-scale interaction to interrogate the influence of complex biological behavior across scales. The ability to model large biological networks will likely pave the …
Editorial: Structure And Function Of Chloroplasts, Volume Iii, Hongbo Gao, Alistair J. Mccormick, Rebecca Roston, Yan Lu
Editorial: Structure And Function Of Chloroplasts, Volume Iii, Hongbo Gao, Alistair J. Mccormick, Rebecca Roston, Yan Lu
Department of Biochemistry: Faculty Publications
Chloroplasts are endosymbiotic organelles derived from cyanobacteria. They have a double envelope membrane, including the outer envelope and the inner envelope. A complex membrane system, thylakoids, exists inside the chloroplast. It is the site of the light-dependent reactions of photosynthesis. The stroma is the main site of the carbon fixation reactions. Although photosynthesis is a very complicated process with many proteins involved, there are many other important processes that occur in chloroplasts, including the regulation of photosynthesis, the biogenesis and maintenance of the structures, carbohydrate, lipid, tetrapyrrole, amino acid, and isoprenoid metabolism, production of some phytohormones, production of specialized metabolites, …
Association Of IsvSa3 With Multidrug Resistance In Salmonella Enterica Isolates From Cattle (Bos Taurus), Gentry L. Lewis, Robert J. Fenton, Etsuko Moriyama, John Dustin Loy, Rodney A. Moxley
Association Of IsvSa3 With Multidrug Resistance In Salmonella Enterica Isolates From Cattle (Bos Taurus), Gentry L. Lewis, Robert J. Fenton, Etsuko Moriyama, John Dustin Loy, Rodney A. Moxley
School of Veterinary and Biomedical Sciences: Faculty Publications
Salmonella enterica is, globally, an important cause of human illness with beef being a significant attributable source. In the human patient, systemic Salmonella infection requires antibiotic therapy, and when strains are multidrug resistant (MDR), no effective treatment may be available. MDR in bacteria is often associated with the presence of mobile genetic elements (MGE) that mediate horizontal spread of antimicrobial resistance (AMR) genes. In this study, we sought to determine the potential relationship of MDR in bovine Salmonella isolates with MGE. The present study involved 111 bovine Salmonella isolates obtained collectively from specimens derived from healthy cattle or their environments …
Comparison Of Two Diagnostic Assays For The Detection Of Serum Neutralizing Antibody To Porcine Epidemic Diarrhea Virus, Justin Brown, Korakrit Poonsuk, Ting-Yu Cheng, Chris Rademacher, Erin Kalkwarf, Liying Tian, Lauren A. Mckeen, Chong Wang, Luis Gimenez-Lirola, David Baum, Locke A. Karriker
Comparison Of Two Diagnostic Assays For The Detection Of Serum Neutralizing Antibody To Porcine Epidemic Diarrhea Virus, Justin Brown, Korakrit Poonsuk, Ting-Yu Cheng, Chris Rademacher, Erin Kalkwarf, Liying Tian, Lauren A. Mckeen, Chong Wang, Luis Gimenez-Lirola, David Baum, Locke A. Karriker
School of Veterinary and Biomedical Sciences: Faculty Publications
Lactogenic immunity is important for the protection of piglets against many pathogens including porcine epidemic diarrhea virus. Circulating neutralizing antibodies levels in sow sera may help determine if a detectable immune response could confer protection to piglets. Neutralizing antibodies can be detected through various diagnostic assays. This study evaluated the diagnostic characteristics of two neutralizing antibody assays for porcine epidemic diarrhea virus neutralizing antibodies in serum of challenged gilts. Four treatment groups, control, non-vaccinated, vaccinated prior to challenge, and vaccinated following challenge, were comprised of 20 gilts. Serum sample were collected from each gilt prior to and following challenge with …
Comparison Of Two Diagnostic Assays For The Detection Of Serum Neutralizing Antibody To Porcine Epidemic Diarrhea Virus, Justin Brown, Korakrit Poonsuk, Ting-Yu Cheng, Chris Rademacher, Erin Kalkwarf, Liying Tian, Lauren A. Mckeen, Chong Wang, Luis Gimenez-Lirola, David Baum, Locke A. Karriker
Comparison Of Two Diagnostic Assays For The Detection Of Serum Neutralizing Antibody To Porcine Epidemic Diarrhea Virus, Justin Brown, Korakrit Poonsuk, Ting-Yu Cheng, Chris Rademacher, Erin Kalkwarf, Liying Tian, Lauren A. Mckeen, Chong Wang, Luis Gimenez-Lirola, David Baum, Locke A. Karriker
School of Veterinary and Biomedical Sciences: Faculty Publications
Lactogenic immunity is important for the protection of piglets against many pathogens including porcine epidemic diarrhea virus. Circulating neutralizing antibodies levels in sow sera may help determine if a detectable immune response could confer protection to piglets. Neutralizing antibodies can be detected through various diagnostic assays. This study evaluated the diagnostic characteristics of two neutralizing antibody assays for porcine epidemic diarrhea virus neutralizing antibodies in serum of challenged gilts. Four treatment groups, control, non-vaccinated, vaccinated prior to challenge, and vaccinated following challenge, were comprised of 20 gilts. Serum sample were collected from each gilt prior to and following challenge with …
Endogenous L- To D-Amino Acid Residue Isomerization Modulates Selectivity Between Distinct Neuropeptide Receptor Family Members, Baba M. Yussif, Cole V. Blasing, James W. Checco
Endogenous L- To D-Amino Acid Residue Isomerization Modulates Selectivity Between Distinct Neuropeptide Receptor Family Members, Baba M. Yussif, Cole V. Blasing, James W. Checco
Department of Biochemistry: Faculty Publications
The L- to D-amino acid residue isomerization of neuropeptides is an understudied post-translational modification found in animals across several phyla. Despite its physiological importance, little information is available regarding the impact of endogenous peptide isomerization on receptor recognition and activation. As a result, the full roles peptide isomerization play in biology are not well understood. Here, we identify that the Aplysia allatotropin-related peptide (ATRP) signaling system utilizes L- to D-residue isomerization of one amino acid residue in the neuropeptide ligand to modulate selectivity between two distinct G protein-coupled receptors (GPCRs). We first identified a novel receptor for ATRP that is …
Supplementation Of Sulfide Or Acetate And 2-Mercaptoethane Sulfonate Restores Growth Of The Methanosarcina Acetivorans Δhdrabc Deletion Mutant During Methylotrophic Methanogenesis, Alicia M. Salvi, Niaz Bahar Chowdhury, Rajib Saha, Nicole R. Buan
Supplementation Of Sulfide Or Acetate And 2-Mercaptoethane Sulfonate Restores Growth Of The Methanosarcina Acetivorans Δhdrabc Deletion Mutant During Methylotrophic Methanogenesis, Alicia M. Salvi, Niaz Bahar Chowdhury, Rajib Saha, Nicole R. Buan
Department of Biochemistry: Faculty Publications
Methanogenic archaea are important organisms in the global carbon cycle that grow by producing methane gas. Methanosarcina acetivorans is a methanogenic archaeum that can grow using methylated compounds, carbon monoxide, or acetate and produces renewable methane as a byproduct. However, there is limited knowledge of how combinations of substrates may affect metabolic fluxes in methanogens. Previous studies have shown that heterodisulfide reductase, the terminal oxidase in the electron transport system, is an essential enzyme in all methanogens. Deletion of genes encoding the nonessential methylotrophic heterodisulfide reductase enzyme (HdrABC) results in slower growth rate but increased metabolic efficiency. We hypothesized that …
Displaying And Delivering Viral Membrane Antigens Via Ww Domain–Activated Extracellular Vesicles, Sengjin Choi, Zhiping Yang, Qiyu Wang, Zhi Qiao, Maoyun Sun, Joshua Wiggins, Shi-Hua Xiang, Quan Lu
Displaying And Delivering Viral Membrane Antigens Via Ww Domain–Activated Extracellular Vesicles, Sengjin Choi, Zhiping Yang, Qiyu Wang, Zhi Qiao, Maoyun Sun, Joshua Wiggins, Shi-Hua Xiang, Quan Lu
School of Veterinary and Biomedical Sciences: Faculty Publications
Membrane proteins expressed on the surface of enveloped viruses are conformational antigens readily recognized by B cells of the immune system. An effective vaccine would require the synthesis and delivery of these native conformational antigens in lipid membranes that preserve specific epitope structures. We have created an extracellular vesicle–based technology that allows viral membrane antigens to be selectively recruited onto the surface of WW domain–activated extracellular vesicles (WAEVs). Budding of WAEVs requires secretory carrier-associated membrane protein 3, which through its proline-proline-alanine-tyrosine motif interacts with WW domains to recruit fused viral membrane antigens onto WAEVs. Immunization with influenza and HIV viral …
Vaccines Against Group B Coxsackieviruses And Their Importance, Kiruthiga Mone, Ninaad Lasrado, Meghna Sur, Jay Reddy
Vaccines Against Group B Coxsackieviruses And Their Importance, Kiruthiga Mone, Ninaad Lasrado, Meghna Sur, Jay Reddy
School of Veterinary and Biomedical Sciences: Faculty Publications
The group B coxsackieviruses (CVBs) exist in six serotypes (CVB1 to CVB6). Disease associations have been reported for most serotypes, and multiple serotypes can cause similar diseases. For example, CVB1, CVB3, and CVB5 are generally implicated in the causation of myocarditis, whereas CVB1 and CVB4 could accelerate the development of type 1 diabetes (T1D). Yet, no vaccines against these viruses are currently available. In this review, we have analyzed the attributes of experimentally tested vaccines and discussed their merits and demerits or limitations, as well as their impact in preventing infections, most importantly myocarditis and T1D.
Personalized Matched Targeted Therapy In Advanced Pancreatic Cancer: A Pilot Cohort Analysis, Justin Shaya, Shumei Kato, Jacob J. Adashek, Hitendra Patel, Paul T. Fanta, Gregory P. Botta, Jason K. Sicklick, Razelle Kurzrock
Personalized Matched Targeted Therapy In Advanced Pancreatic Cancer: A Pilot Cohort Analysis, Justin Shaya, Shumei Kato, Jacob J. Adashek, Hitendra Patel, Paul T. Fanta, Gregory P. Botta, Jason K. Sicklick, Razelle Kurzrock
School of Veterinary and Biomedical Sciences: Faculty Publications
Despite progress, 2-year pancreatic cancer survival remains dismal. We evaluated a biomarker-driven, combination/N-of-one strategy in 18 patients (advanced/metastatic pancreatic cancer) (from Molecular Tumor Board). Targeted agents administered/ patient = 2.5 (median) (range, 1–4); first-line therapy (N = 5); second line, (N = 13). Comparing patients (high versus low degrees of matching) (matching score ≥50% versus <50%; reflecting number of alterations matched to targeted agents divided by number of pathogenic alterations), survival was significantly longer (hazard ratio [HR] 0.24 (95% confidence interval [CI], 0.078–0.76, P = 0.016); clinical benefit rates (CBR) (stable disease ≥6 months/partial/complete response) trended higher (45.5 vs 0.0%, P = 0.10); progression-free survival, HR, 95% CI, 0.36 (0.12–1.10) (p = 0.075). First versus ≥2nd-line therapy had higher CBRs (80.0 vs 7.7%, P = …50%;>
Genome‑Wide Investigation Of Snrk2 Gene Family In Two Jute Species: Corchorus Olitorius And Corchorus Capsularis, Borhan Ahmed, Fakhrul Hasan, Anika Tabassum, Rasel Ahmed, Rajnee Hassan, Ruhul Amin, Mobashwer Alam
Genome‑Wide Investigation Of Snrk2 Gene Family In Two Jute Species: Corchorus Olitorius And Corchorus Capsularis, Borhan Ahmed, Fakhrul Hasan, Anika Tabassum, Rasel Ahmed, Rajnee Hassan, Ruhul Amin, Mobashwer Alam
Department of Biochemistry: Faculty Publications
Background Sucrose non-fermenting-1 (SNF1)-related protein kinase 2 (SnRK2), a plant-specific serine/threonine kinase family, is associated with metabolic responses, including abscisic acid signaling under biotic and abiotic stresses. So far, no information on a genome-wide investigation and stress-mediated expression profiling of jute SnRK2 is available. Recent whole-genome sequencing of two Corchorus species prompted to identify and characterize this SnRK2 gene family.
Result We identified seven SnRK2 genes of each of Corchorus olitorius (Co) and C. capsularis (Cc) genomes, with similar physico-molecular properties and sub-group patterns of other models and related crops. In both species, the SnRK2 …
Functional Impact Of A Cancer-Related Variant In Human Δ1‑Pyrroline-5-Carboxylate Reductase 1, Oseeyi I. Daudu, Kaylen R. Meeks, Lu Zhang, Javier Seravalli, John J. Tanner, Donald F. Becker
Functional Impact Of A Cancer-Related Variant In Human Δ1‑Pyrroline-5-Carboxylate Reductase 1, Oseeyi I. Daudu, Kaylen R. Meeks, Lu Zhang, Javier Seravalli, John J. Tanner, Donald F. Becker
Department of Biochemistry: Faculty Publications
Pyrroline-5-carboxylate reductase (PYCR) is a proline biosynthetic enzyme that catalyzes the NAD(P)H-dependent reduction of Δ1-pyrroline-5-carboxylate (P5C) to proline. Humans have three PYCR isoforms, with PYCR1 often upregulated in different types of cancers. Here, we studied the biochemical and structural properties of the Thr171Met variant of PYCR1, which is found in patients with malignant melanoma and lung adenocarcinoma. Although PYCR1 is strongly associated with cancer progression, characterization of a PYCR1 variant in cancer patients has not yet been reported. Thr171 is conserved in all three PYCR isozymes and is located near the P5C substrate binding site. We found that …
Cellular Zinc Deficiency Impairs Heme Biosynthesis In Developing Erythroid Progenitors, Juyoung Kim, Jaekwon Lee, Moon-Suhn Ryu
Cellular Zinc Deficiency Impairs Heme Biosynthesis In Developing Erythroid Progenitors, Juyoung Kim, Jaekwon Lee, Moon-Suhn Ryu
Department of Biochemistry: Faculty Publications
Anemia is the most prevalent nutrition-related disorder worldwide. Zinc is an essential trace element for various biological processes in the body, and zinc deficiency has been associated with anemia in humans. However, the molecular mechanisms by which zinc availability alters red blood cell development remain uncertain. The present study identifies the essentiality of zinc during erythroid development, particularly for normal heme biosynthesis. G1E-ER4 mouse cells were used as an in vitro model of terminal erythroid differentiation, which featured elevated cellular zinc content by development. Restriction of zinc import compromised the rate of heme and -globin production and, thus, the hemoglobinization …
Presumptive Hepatogenous Photosensitization In Beef Cattle Winter Grazing A Cover Crop Containing Brassica Spp. Turnips, Matthew M. Hille, Scott A. Fritz, Breanna C. Brown
Presumptive Hepatogenous Photosensitization In Beef Cattle Winter Grazing A Cover Crop Containing Brassica Spp. Turnips, Matthew M. Hille, Scott A. Fritz, Breanna C. Brown
School of Veterinary and Biomedical Sciences: Faculty Publications
Over a period of ~2 wk, 5 adult beef cows developed severe necrotizing skin lesions on the face and neck shortly after being moved to a field with a cover crop of Brassica spp. turnips. We describe here the clinical signs, hematology, and serum chemistry results, as well as gross and histopathologic findings, from this outbreak. We made a presumptive diagnosis of Brassica-associated liver disease (BALD) based on the similarities in the history and diagnostic findings observed with previously reported cases of BALD from elsewhere in the world. BALD has not been reported previously in cattle in North America, …
Mites [Of Dogs And Cats], Susan E. Little, Roberto Cortinas
Mites [Of Dogs And Cats], Susan E. Little, Roberto Cortinas
School of Veterinary and Biomedical Sciences: Faculty Publications
Veterinary parasitology: 20,000-word article details recognition and treatments for mite infestations of dogs and cats. Mite species reviewed include:
Cheyletiella spp. (“Walking Dandruff”)
Demodex spp. (Hair Follicle Mites, Red Mange, Demodicosis, Demodectic Mange)
Sarcoptes scabiei (Itch Mite, Scabies, Sarcoptic Mange)
Notoedres cati (Feline Head and Neck Mange)
Otodectes cynotis (Ear Mites)
Pneumonyssoides caninum (Nasal Mite)
Lynxacarus radovskyi (Fur Mite, Hair Clasping Mite)
Trombiculid Mites (Chiggers, Red Bugs, Berry Bugs, Harvest Mites, Scrub Itch or Grass Itch Mites)
Discussions include Etiology and epidemiology, Pathogenesis, Clinical features, Diagnosis, Treatment and prognosis, Immunity, Prevention, and Public health aspects.
Complete with 209 references.
Plastic Recognition And Electrogenic Uniport Translocation Of 1st-, 2nd-, And 3rd-Row Transition And Post-Transition Metals By Primary-Active Transmembrane P1b-2-Type Atpase Pumps, Sameera S. Abeyrathna, Nisansala S. Abeyrathna, Priyanka Basak, Gordon W. Irvine, Limei Zhang, Gabriele Meloni
Plastic Recognition And Electrogenic Uniport Translocation Of 1st-, 2nd-, And 3rd-Row Transition And Post-Transition Metals By Primary-Active Transmembrane P1b-2-Type Atpase Pumps, Sameera S. Abeyrathna, Nisansala S. Abeyrathna, Priyanka Basak, Gordon W. Irvine, Limei Zhang, Gabriele Meloni
Department of Biochemistry: Faculty Publications
Transmembrane P-type ATPase pumps catalyze the extrusion of transition metal ions across cellular lipid membranes to maintain essential cellular metal homeostasis and detoxify toxic metals. Zn()-pumps of the P-type subclass, in addition to Zn , select diverse metals (Pb, Cdand Hg) at their transmembrane binding site and feature promiscuous metal-dependent ATP hydrolysis in the presence of these metals. Yet, a comprehensive understanding of the transport of these metals, their relative translocation rates, and transport mechanism remain elusive. We developed a platform for the characterization of primary-active Zn()-pumps in proteoliposomes to study metal selectivity, translocation events and transport mechanism in real-time, …
A Facile Strategy For The Fabrication Of Cell-Laden Porous Alginate Hydrogels Based On Two-Phase Aqueous Emulsions, Wen Xue, Donghee Lee, Yunfan Kong, Mitchell Kuss, Ying Huang, Taesung Kim, Soonkyu Chung, Andrew T. Dudley, Seung-Hyun Ro, Bin Duan
A Facile Strategy For The Fabrication Of Cell-Laden Porous Alginate Hydrogels Based On Two-Phase Aqueous Emulsions, Wen Xue, Donghee Lee, Yunfan Kong, Mitchell Kuss, Ying Huang, Taesung Kim, Soonkyu Chung, Andrew T. Dudley, Seung-Hyun Ro, Bin Duan
Department of Biochemistry: Faculty Publications
Porous alginate (Alg) hydrogels possess many advantages as cell carriers. However, current pore generation methods require either complex or harsh fabrication processes, toxic components, or extra purification steps, limiting the feasibility and affecting the cellular survival and function. In this study, a simple and cell-friendly approach to generate highly porous cell-laden Alg hydrogels based on two-phase aqueous emulsions is reported. The pre-gel solutions, which contain two immiscible aqueous phases of Alg and caseinate (Cas), are cross-linked by calcium ions. The porous structure of the hydrogel construct is formed by subsequently removing the Cas phase from the ion-cross-linked Alg hydrogel. Those …
Genetic Control Of Photoprotection And Photosystem Ii Operating Efficiency In Plants, Seema Sahay, Marcin Grzybowski, James Schnable, Katarzyna Głowacka
Genetic Control Of Photoprotection And Photosystem Ii Operating Efficiency In Plants, Seema Sahay, Marcin Grzybowski, James Schnable, Katarzyna Głowacka
Department of Biochemistry: Faculty Publications
• Photoprotection against excess light via nonphotochemical quenching (NPQ) is indispensable for plant survival. However, slow NPQ relaxation under low light conditions can decrease yield of field-grown crops up to 40%.
• Using semi-high-throughput assay, we quantified the kinetics of NPQ and photosystem II operating efficiency (ΦPSII) in a replicated field trial of more than 700 maize (Zea mays) genotypes across 2 yr. Parametrized kinetics data were used to conduct genome-wide association studies.
• For six candidate genes involved in NPQ and ΦPSII kinetics in maize the loss of function alleles of orthologous genes in Arabidopsis (Arabidopsis thaliana) …
Chemical Characterization And Biological Evaluation Of Epilobium Parviflorum Extracts In An In Vitro Model Of Human Malignant Melanoma, Sotiris Kyriakou, Venetia Tragkola, Ioannis Paraskevaidis, Mihalis Plioukas, Dimitrios T. Trafalis, Rodrigo Franco, Aglaia Pappa, Mihalis I. Panayiotidi
Chemical Characterization And Biological Evaluation Of Epilobium Parviflorum Extracts In An In Vitro Model Of Human Malignant Melanoma, Sotiris Kyriakou, Venetia Tragkola, Ioannis Paraskevaidis, Mihalis Plioukas, Dimitrios T. Trafalis, Rodrigo Franco, Aglaia Pappa, Mihalis I. Panayiotidi
School of Veterinary and Biomedical Sciences: Faculty Publications
Malignant melanoma is an aggressive type of skin cancer characterised by high metastatic capacity and mortality rate. On the other hand, Epilobium parviflorum is known for its medicinal properties, including its anticancer potency. In this context, we aimed to (i) isolate various extracts of E. parviflorum, (ii) characterize their phytochemical content, and (iii) determine their cytotoxic potential in an in vitro model of human malignant melanoma. To these ends, we utilized various spectrophotometric and chromatographic (UPLC-MS/MS) approaches to document the higher content of the methanolic extract in polyphenols, soluble sugars, proteins, condensed tannins, and chlorophylls -a and -b as …
Does Swab Type Matter? Comparing Methods For Mannheimia Haemolytica Recovery And Upper Respiratory Microbiome Characterization In Feedlot Cattle, William B. Crosby, Lee Pinnell, John T. Richeson, Cory Wolfe, Jake Castle, John Dustin Loy, Sheryl P. Gow, Keun Seok Seo, Sarah F. Capik, Amelia R. Woolums, Paul S. Morley
Does Swab Type Matter? Comparing Methods For Mannheimia Haemolytica Recovery And Upper Respiratory Microbiome Characterization In Feedlot Cattle, William B. Crosby, Lee Pinnell, John T. Richeson, Cory Wolfe, Jake Castle, John Dustin Loy, Sheryl P. Gow, Keun Seok Seo, Sarah F. Capik, Amelia R. Woolums, Paul S. Morley
School of Veterinary and Biomedical Sciences: Faculty Publications
Background: Bovine respiratory disease (BRD) is caused by interactions among host, environment, and pathogens. One standard method for antemortem pathogen identification in cattle with BRD is deep-guarded nasopharyngeal swabbing, which is challenging, costly, and waste generating. The objective was to compare the ability to recover Mannheimia haemolytica and compare microbial community structure using 29.5 inch (74.9 cm) deep-guarded nasopharyngeal swabs, 16 inch (40.6 cm) unguarded proctology swabs, or 6 inch (15.2 cm) unguarded nasal swabs when characterized using culture, real time-qPCR, and 16S rRNA gene sequencing. Samples for aerobic culture, qPCR, and 16S rRNA gene sequencing were collected from the …
First Gene-Edited Calf With Reduced Susceptibility To A Major Viral Pathogen, Aspen M. Workman, Michael P. Heaton, Brian L. Vander Ley, Dennis A. Webster, Luke Sherry, Jonathan R. Bostrom, Sabrina Larson, Theodore S. Kalbfleisch, Gregory P. Harhay, Erin E. Jobman, Daniel F. Carlson, Tad S. Sonstegard
First Gene-Edited Calf With Reduced Susceptibility To A Major Viral Pathogen, Aspen M. Workman, Michael P. Heaton, Brian L. Vander Ley, Dennis A. Webster, Luke Sherry, Jonathan R. Bostrom, Sabrina Larson, Theodore S. Kalbfleisch, Gregory P. Harhay, Erin E. Jobman, Daniel F. Carlson, Tad S. Sonstegard
School of Veterinary and Biomedical Sciences: Faculty Publications
Bovine viral diarrhea virus (BVDV) is one of the most important viruses affecting the health and well-being of bovine species throughout the world. Here, we used CRISPR-mediated homology-directed repair and somatic cell nuclear transfer to produce a live calf with a six amino acid substitution in the BVDV binding domain of bovine CD46. The result was a gene-edited calf with dramatically reduced susceptibility to infection as measured by reduced clinical signs and the lack of viral infection in white blood cells. The edited calf has no off-target edits and appears normal and healthy at 20 months of age without obvious …
Aerobic Exercise And Scaffolds With Hierarchical Porosity Synergistically Promote Functional Recovery Post Volumetric Muscle Loss, Christina Zhu, Karina Skylar, Yori Endo, Mohamadmahdi Samandari,, Mehran Karvar, Azadeh Mostafavi, Jacob Quint, Chiara Rioldi, Wojciech Swieszkowski, Joshua Mauney, Shailesh Agarwal, Ali Tamayol, Indranil Sinha
Aerobic Exercise And Scaffolds With Hierarchical Porosity Synergistically Promote Functional Recovery Post Volumetric Muscle Loss, Christina Zhu, Karina Skylar, Yori Endo, Mohamadmahdi Samandari,, Mehran Karvar, Azadeh Mostafavi, Jacob Quint, Chiara Rioldi, Wojciech Swieszkowski, Joshua Mauney, Shailesh Agarwal, Ali Tamayol, Indranil Sinha
School of Veterinary and Biomedical Sciences: Faculty Publications
Volumetric muscle loss (VML) is a composite loss of skeletal muscle tissue (greater than 20%) that heals with minimal muscle regeneration, substantial fibrosis, and subsequent functional deficits. Standard treatment, involving free functional muscle transfer and physical therapy, cannot restore full muscle function following VML. Tissue engineered scaffolds, 3D structural templates that mimic native extracellular matrix, are promising to enhance functional muscle formation and recovery. Bioprinted 3D scaffolds are engineered using bioinks, created from scaffolding material, cells, and growth factors, to replicate skeletal muscle architecture with precise control over their spatial deposition. METHODS: The present study evaluates a 3D-printed foam-like scaffold …
Oligogalactolipid Production During Cold Challenge Is Conserved In Early Diverging Lineages, Allison C. Barnes, Jennifer L. Myers, Samantha M. Surber, Zhikai Liang, Jeffrey P. Mower, James Schnable, Rebecca Roston
Oligogalactolipid Production During Cold Challenge Is Conserved In Early Diverging Lineages, Allison C. Barnes, Jennifer L. Myers, Samantha M. Surber, Zhikai Liang, Jeffrey P. Mower, James Schnable, Rebecca Roston
Department of Biochemistry: Faculty Publications
Oligogalactolipid production is a response to severe cold in many land plant lineages. It occurs during times of membrane damage and can be reproduced in multiple species by cytosolic acidification.
Severe cold, defined as a damaging cold beyond acclimation temperatures, has unique responses, but the signaling and evolution of these responses are not well understood. Production of oligogalactolipids, which is triggered by cytosolic acidification in Arabidopsis (Arabidopsis thaliana), contributes to survival in severe cold. Here, we investigated oligogalactolipid production in species from bryophytes to angiosperms. Production of oligogalactolipids differed within each clade, suggesting multiple evolutionary origins of severe …
Conformal Electrodeposition Of Antimicrobial Hydrogels Formed By Self-Assembled Peptide Amphiphiles, Gervasio Zaldivar, Jiachen Feng, Leonardo Lizarraga, Yafan Yu, Luana De Campos, Kelly Mari Pires De Oliveira, Kurt Piepenbrink, Martin Conda-Sheridan, Mario Tagliazucchi
Conformal Electrodeposition Of Antimicrobial Hydrogels Formed By Self-Assembled Peptide Amphiphiles, Gervasio Zaldivar, Jiachen Feng, Leonardo Lizarraga, Yafan Yu, Luana De Campos, Kelly Mari Pires De Oliveira, Kurt Piepenbrink, Martin Conda-Sheridan, Mario Tagliazucchi
Department of Biochemistry: Faculty Publications
The colonization of biomedical surfaces by bacterial biofilms is concerning because these microorganisms display higher antimicrobial resistance in biofilms than in liquid cultures. Developing antimicrobial coatings that can be easily applied to medically-relevant complex-shaped objects, such as implants and surgical instruments, is an important and challenging research direction. This work reports the preparation of antibacterial surfaces via the electrodeposition of a conformal hydrogel of self-assembling cationic peptide-amphiphiles (PAs). Hydrogels of three PAs are electrodeposited: C16K2, C16K3, and C18K2, where Cn is an alkyl chain of n methylene …
The Effects Of Exogenously Applied Antioxidants On Plant Growth And Resilience, Aline Rodrigues De Queiroz, Connor Hines, Jeremy Brown, Seema Sahay, Jithesh Vijayan, Julie M. Stone, Nate Bickford, Melissa Wuellner, Katarzyna Glowacka, Nicole R. Buan, Rebecca Roston
The Effects Of Exogenously Applied Antioxidants On Plant Growth And Resilience, Aline Rodrigues De Queiroz, Connor Hines, Jeremy Brown, Seema Sahay, Jithesh Vijayan, Julie M. Stone, Nate Bickford, Melissa Wuellner, Katarzyna Glowacka, Nicole R. Buan, Rebecca Roston
Department of Biochemistry: Faculty Publications
Plant growth and resilience require balancing an inherently oxidative metabolism with powerful antioxidant systems that help maintain homeostasis. When the environment changes, reactive oxygen species are potent indicators of that change, allowing adaptation through re-balancing metabolism and antioxidant systems. A large body of evidence supports the use of exogenously applied antioxidants to improve both plant growth and their resilience to stress. Notably, some phenotypic effects are similar upon the application of chemically diverse antioxidants, while others are distinct. In this review, we analyze research from antioxidant treatment experiments and highlight the similarities in their practical applications and their effects on …
Akkermansia Muciniphila And Its Membrane Protein Ameliorates Intestinal Inflammatory Stress And Promotes Epithelial Wound Healing Via Crebh And Mir‑143/145, Henry Wade, Kaichao Pan, Qihua Duan, Szczepan Kaluzny, Ekta Pandey, Linda Fatumoju, Viswanathan Saraswathi, Rongxue Wu, Edward N. Harris, Qiaozhu Su
Akkermansia Muciniphila And Its Membrane Protein Ameliorates Intestinal Inflammatory Stress And Promotes Epithelial Wound Healing Via Crebh And Mir‑143/145, Henry Wade, Kaichao Pan, Qihua Duan, Szczepan Kaluzny, Ekta Pandey, Linda Fatumoju, Viswanathan Saraswathi, Rongxue Wu, Edward N. Harris, Qiaozhu Su
Department of Biochemistry: Faculty Publications
Background The intestinal epithelial barrier is the interface for interaction between gut microbiota and host metabolic systems. Akkermansia muciniphila (A. muciniphila) is a key player in the colonic microbiota that resides in the mucus layer, whose abundance is selectively decreased in the faecal microbiota of inflammatory bowel disease (IBD) patients. This study aims to investigate the regulatory mechanism among A. muciniphila, a transcription factor cAMPresponsive element-binding protein H (CREBH), and microRNA-143/145 (miR-143/145) in intestinal inflammatory stress, gut barrier integrity and epithelial regeneration.
Methods A novel mouse model with increased colonization of A muciniphila in the intestine of CREBH knockout …