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Articles 91 - 111 of 111
Full-Text Articles in Life Sciences
Lea Proteins During Water Stress: Not Just For Plants Anymore, Steven C. Hand, Michael A. Menze, Mehmet Toner, Leaf Boswell, Daniel Moore
Lea Proteins During Water Stress: Not Just For Plants Anymore, Steven C. Hand, Michael A. Menze, Mehmet Toner, Leaf Boswell, Daniel Moore
Faculty Research & Creative Activity
Late embryogenesis abundant (LEA) proteins are extremely hydrophilic proteins that were first identified in land plants. Intracellular accumulation is tightly correlated with acquisition of desiccation tolerance, and data support their capacity to stabilize other proteins and membranes during drying, especially in the presence of sugars like trehalose. Exciting reports now show LEA proteins are not restricted to plants; multiple forms are expressed in desiccation-tolerant animals from at least four phyla. We evaluate here the expression, subcellular localization, biochemical properties and potential functions of LEA proteins in animal species during water stress. LEA proteins are intrinsically unstructured in aqueous solution, but …
Quantitative Analysis Of Lignocellulosic Components Of Non-Treated And Steam Exploded Barley, Canola, Oat And Wheat Straw Using Fourier Transform Infrared Spectroscopy, P. K. Adapa, L. G. Schonenau, Thomas Canam, T. Dumonceaux
Quantitative Analysis Of Lignocellulosic Components Of Non-Treated And Steam Exploded Barley, Canola, Oat And Wheat Straw Using Fourier Transform Infrared Spectroscopy, P. K. Adapa, L. G. Schonenau, Thomas Canam, T. Dumonceaux
Faculty Research & Creative Activity
Rapid and cost effective quantification of lignocellulosic components (cellulose, hemicelluloses and lignin) of agricultural biomass (barley, canola, oat and wheat) is essential to determine the effect of various pre-treatments (such as steam explosion) on biomass used as feedstock for the biofuel industry. Fourier Transformed Infrared (FTIR) spectroscopy was considered as an option to achieve this objective. Regression equations having R2 values of 0.89, 0.99 and 0.98 were developed to predict the cellulose, hemicelluloses and lignin compounds of biomass, respectively. The average absolute difference in predicted and measured cellulose, hemicellulose and lignin in agricultural biomass was 7.5%, 2.5%, and 3.8%, respectively.
Chemical Characterization And In Vitro Fermentation Of Brassica Straw Treated With The Aerobic Fungus, Trametes Versicolor, J. E. Ramirez-Bribiesca, Y. Wang, L. Jin, Thomas Canam, J. R. Town, A. Tsang, T. J. Dumonceaux, T. A. Mcallister
Chemical Characterization And In Vitro Fermentation Of Brassica Straw Treated With The Aerobic Fungus, Trametes Versicolor, J. E. Ramirez-Bribiesca, Y. Wang, L. Jin, Thomas Canam, J. R. Town, A. Tsang, T. J. Dumonceaux, T. A. Mcallister
Faculty Research & Creative Activity
Brassica napus straw (BNS) was either not treated or was treated with two strains of Trametes versicolor; 52J (wild type) or m4D (a cellobiose dehydrogenase-deficient mutant) with four treatments. Glucose was provided to encourage growth of the mutant strain. All treatments with T. versicolor decreased (P<0.05) neutral-detergent fibre and increased (P<0.05) protein and the concentration of lignin degradation products in straw. Ergosterol was highest (P<0.05) in straw treated with B-52J, suggesting it generated the most fungal biomass. Insoluble lignin was reduced (P<0.05) in straw treated with B-52J and B-m4D, but not with B-m4Dg. Mannose and xylose concentration were generally higher (P<0.05) in straw treated with fungi, whereas glucose and galactose were lower as compared with C-BNS. The four treatments above were subsequently assessed in rumen in vitro fermentations, along with BNS treated with 5 N NaOH. Concentrations of total volatile fatty acids after 24 and 48h were lower (P<0.05) in incubations that contained BNS treated with T. versicolor as compared with C-BNSor NaOH-treated BNS. Compared with C-BNS, in vitrodry matter disappearance and gas production were increased (P<0.05) by NaOH, but not by treatment with either strain of T. versicolor. Although treatment with T. versicolor did release more lignin degradation products, it did not appear to provide more degradable carbohydrate to in vitro rumen microbial populations, even when a mutant strain with compromised carbohydrate metabolism was utilized. Production of secondary compounds by the aerobic fungi may inhibit rumen microbial fermentation.
Succession, Scott Meiners, Steward Pickett
Succession, Scott Meiners, Steward Pickett
Faculty Research & Creative Activity
Succession in a strict sense refers to the recovery and revegetation of an area following a disturbance such as the cessation of agriculture, the retreat of a glacier, or an intense forest fi re. Succession is a special case of vegetation dynamics, although many early ecologists referred to all vegetation change as succession. Succession includes a series of compositional and structural changes, often in a directional manner. The common occurrence of natural disturbances coupled with the extent of human activity on the planet makes succession one of the most ubiquitous ecological processes. Because invasion is a crucial feature of succession, …
Succession, Scott J. Meiners, Steward Pickett
Succession, Scott J. Meiners, Steward Pickett
Faculty Research & Creative Activity
Succession in a strict sense refers to the recovery and revegetation of an area following a disturbance such as the cessation of agriculture, the retreat of a glacier, or an intense forest fi re. Succession is a special case of vegetation dynamics, although many early ecologists referred to all vegetation change as succession. Succession includes a series of compositional and structural changes, often in a directional manner. The common occurrence of natural disturbances coupled with the extent of human activity on the planet makes succession one of the most ubiquitous ecological processes. Because invasion is a crucial feature of succession, …
Metabolic Restructuring During Energy-Limited States: Insights From Artemia Franciscana Embryos And Other Animals, Steven C. Hand, Michael A. Menze, Apu Borcar, Yuvraj Patil, Joseph A. Covi, Julie A. Reynolds, Mehmet Toner
Metabolic Restructuring During Energy-Limited States: Insights From Artemia Franciscana Embryos And Other Animals, Steven C. Hand, Michael A. Menze, Apu Borcar, Yuvraj Patil, Joseph A. Covi, Julie A. Reynolds, Mehmet Toner
Faculty Research & Creative Activity
Many life history stages of animals that experience environmental insults enter developmental arrested states that are characterized by reduced cellular proliferation, with or without a concurrent reduction in overall metabolism. In the case of the most profound metabolic arrest reported in invertebrates, i.e., anaerobic quiescence in Artemia franciscana embryos, acidification of the intracellular milieu is a major factor governing catabolic and anabolic downregulation. Release of ion gradients from intracellular compartments is the source for approximately 50% of the proton equivalents needed for the 1.5 unit acidification that is observed. Recovery from the metabolic arrest requires re-sequestration of the protons with …
Domain And Propositions Of Succession Theory, Steward Pickett, Scott Meiners, Mary Cadenasso
Domain And Propositions Of Succession Theory, Steward Pickett, Scott Meiners, Mary Cadenasso
Faculty Research & Creative Activity
Succession is perhaps the oldest of ecological concepts, having arisen when ecology was emerging as a self-conscious discipline (Mcintosh 1985). Yet it continues to address many fundamental issues in ecology, to support important applications, and to synthesize the insights and perspectives of other theories. Thus, it fulfills two functions key in assessing the utility of a contemporary ecological theory. First, it exhibits the attributes of a mature, welldeveloped, and intensively tested theory (Glenn-Lewin et al. 1992; Pickett and Cadenasso 2005). Second, it provides a linkage among theories and applications that have usually been considered separately (Walker et al. 2007). For …
Chemical Characterization And In Vitro Fermentation Of Brassica Straw Treated With The Aerobic Fungus, Trametes Versicolor, J. Ramirez-Bribiesca, Y. Wang, L. Jin, Thomas Canam, J. Town, A. Tsang, T. Dumonceaux, T. Mcallister
Chemical Characterization And In Vitro Fermentation Of Brassica Straw Treated With The Aerobic Fungus, Trametes Versicolor, J. Ramirez-Bribiesca, Y. Wang, L. Jin, Thomas Canam, J. Town, A. Tsang, T. Dumonceaux, T. Mcallister
Faculty Research & Creative Activity
Brassica napus straw (BNS) was either not treated or was treated with two strains of Trametes versicolor; 52J (wild type) or m4D (a cellobiose dehydrogenase-deficient mutant) with four treatments. Glucose was provided to encourage growth of the mutant strain. All treatments with T. versicolor decreased (P<0.05) neutral-detergent fibre and increased (P<0.05) protein and the concentration of lignin degradation products in straw. Ergosterol was highest (P<0.05) in straw treated with B-52J, suggesting it generated the most fungal biomass. Insoluble lignin was reduced (P<0.05) in straw treated with B-52J and B-m4D, but not with B-m4Dg. Mannose and xylose concentration were generally higher (P<0.05) in straw treated with fungi, whereas glucose and galactose were lower as compared with C-BNS. The four treatments above were subsequently assessed in rumen in vitro fermentations, along with BNS treated with 5 N NaOH. Concentrations of total volatile fatty acids after 24 and 48h were lower (P<0.05) in incubations that contained BNS treated with T. versicolor as compared with C-BNSor NaOH-treated BNS. Compared with C-BNS, in vitrodry matter disappearance and gas production were increased (P<0.05) by NaOH, but not by treatment with either strain of T. versicolor. Although treatment with T. versicolor did release more lignin degradation products, it did not appear to provide more degradable carbohydrate to in vitro rumen microbial populations, even when a mutant strain with compromised carbohydrate metabolism was utilized. Production of secondary compounds by the aerobic fungi may inhibit rumen microbial fermentation.
A Content Analysis Of Food Advertisements During Children’S Television Programming, Melanie Burns, Jillian Hurt
A Content Analysis Of Food Advertisements During Children’S Television Programming, Melanie Burns, Jillian Hurt
Faculty Research & Creative Activity
No abstract provided.
Verbena Hastata L., John E. Ebinger
A Content Analysis Of Food Advertisements During Children’S Television Programming, Melanie Burns, Jillian Hurt
A Content Analysis Of Food Advertisements During Children’S Television Programming, Melanie Burns, Jillian Hurt
Faculty Research & Creative Activity until 2018 (FCS)
No abstract provided.
Social Dimensions Of Lake Ecology: Stakeholder Perception Surveys Used To Design Effective Lake Management Plans, Laurie Nannini
Social Dimensions Of Lake Ecology: Stakeholder Perception Surveys Used To Design Effective Lake Management Plans, Laurie Nannini
Masters Theses
No abstract provided.
Interactions Of Diet And Behavior In A Death-Feigning Snake (Heterodon Nasicus), Andrew Michael Durso
Interactions Of Diet And Behavior In A Death-Feigning Snake (Heterodon Nasicus), Andrew Michael Durso
Masters Theses
No abstract provided.
Angiosperm Phylogeny: 17 Genes, 640 Taxa, Douglas Soltis, Steven Smith, Nico Cellinese, Kenneth Wurdack, David Tank, Samuel Brockington, Nancy Refulio-Rodriguez, Jay Walker, Michael Moore, Barbara Carlsward, Charles Bell, Maribeth Latvis, Sunny Crawley, Chelsea Black, Diaga Diouf, Zhenxiang Xi, Catherine Rushworth, Matthew Gitzendanner, Kenneth Sytsma, Yin-Long Qiu, Khidir Hilu, Charles Davis, Michael Sanderson, Reed Beaman, Richard Olmstead, Walter Judd, Michael Donoghue, Pamela Soltis
Angiosperm Phylogeny: 17 Genes, 640 Taxa, Douglas Soltis, Steven Smith, Nico Cellinese, Kenneth Wurdack, David Tank, Samuel Brockington, Nancy Refulio-Rodriguez, Jay Walker, Michael Moore, Barbara Carlsward, Charles Bell, Maribeth Latvis, Sunny Crawley, Chelsea Black, Diaga Diouf, Zhenxiang Xi, Catherine Rushworth, Matthew Gitzendanner, Kenneth Sytsma, Yin-Long Qiu, Khidir Hilu, Charles Davis, Michael Sanderson, Reed Beaman, Richard Olmstead, Walter Judd, Michael Donoghue, Pamela Soltis
Faculty Research & Creative Activity
• Premise of the study : Recent analyses employing up to fi ve genes have provided numerous insights into angiosperm phylogeny, but many relationships have remained unresolved or poorly supported. In the hope of improving our understanding of angiosperm phylogeny, we expanded sampling of taxa and genes beyond previous analyses. • Methods : We conducted two primary analyses based on 640 species representing 330 families. The fi rst included 25 260 aligned base pairs (bp) from 17 genes (representing all three plant genomes, i.e., nucleus, plastid, and mitochondrion). The second included 19 846 aligned bp from 13 genes (representing only …
Joy T. Desensi And Danny Rosenberg, Ethics And Morality In Sport Management, 3rd Edition, Chad R. Carlson
Joy T. Desensi And Danny Rosenberg, Ethics And Morality In Sport Management, 3rd Edition, Chad R. Carlson
Faculty Research and Creative Activity
No abstract provided.
Strength And Hypertrophy Responses To Constant And Decreasing Rest Intervals In Trained Men Using Creatine Supplementation, Tacito P. Souza-Junior, Jeffrey M. Willardson, Richard Bloomer, Richard D. Leite, Steven J. Fleck, Paulo R. Oliveira, Robert Simao
Strength And Hypertrophy Responses To Constant And Decreasing Rest Intervals In Trained Men Using Creatine Supplementation, Tacito P. Souza-Junior, Jeffrey M. Willardson, Richard Bloomer, Richard D. Leite, Steven J. Fleck, Paulo R. Oliveira, Robert Simao
Faculty Research and Creative Activity
The purpose of the current study was to compare strength and hypertrophy responses to resistance training programs that instituted constant rest intervals (CI) and decreasing rest intervals (DI) between sets over the course of eight weeks by trained men who supplemented with creatine monohydrate (CR).
Analysis Of Extinction Of Fibroblast-Specific Gene Expression In Somatic Hepatic Hybrids Using Cdna Microarray Technology, Sushma K. Shrestha
Analysis Of Extinction Of Fibroblast-Specific Gene Expression In Somatic Hepatic Hybrids Using Cdna Microarray Technology, Sushma K. Shrestha
Masters Theses
No abstract provided.
Estrogen Promotes Neurite Outgrowth In Olfactory Epithelial Explant Cultures Through The Estrogen Receptor, Apryl E. Pooley
Estrogen Promotes Neurite Outgrowth In Olfactory Epithelial Explant Cultures Through The Estrogen Receptor, Apryl E. Pooley
Masters Theses
No abstract provided.
The Evolution Of Leaf Anatomy In Badiera (Polygalaceae), Laura Brauer
The Evolution Of Leaf Anatomy In Badiera (Polygalaceae), Laura Brauer
Masters Theses
No abstract provided.
A Functional Genomics Approach To Analyze Two Methionine-[Gamma]-Lyase Orthologs In "Ferroplasma Acidarmanus" Using In Vitro Enzyme Assays, Md. A. Wadud Khan
A Functional Genomics Approach To Analyze Two Methionine-[Gamma]-Lyase Orthologs In "Ferroplasma Acidarmanus" Using In Vitro Enzyme Assays, Md. A. Wadud Khan
Masters Theses
No abstract provided.
Is Anthropogenic Habitat Change The Driving Force Of Rapid Evolution Of Southeastern U.S. Coastal Deer Populations?, Nicole L. Storm
Is Anthropogenic Habitat Change The Driving Force Of Rapid Evolution Of Southeastern U.S. Coastal Deer Populations?, Nicole L. Storm
Masters Theses
No abstract provided.