Digital Commons Network^™

Nutrient Enhanced Coastal Ocean Productivity In The Northern Gulf Of Mexico, William J. Wiseman Jr., Michael J. Dagg, Nancy N. Rabalais, Terry E. Whitledge Apr 1999

Temple And Sacrifice, Roy Gane Apr 1999

The Boundaries Of The Silenced Hmr Domain In Saccharomyces Cerevisiae, David Donze, Christopher R. Adams, Jasper Rine, Rohinton T. Kamakaka Mar 1999

Particle Fluxes During Austral Spring And Summer In The Southern Ross Sea, Antarctica, Vernon L. Asper, Walker O. Smith Jr. Mar 1999

Monte Carlo Study Of The Capacitance Of The Double Layer In A Model Molten Salt, Douglas Henderson, Dezso Boda, Kwong-Yu Chan Mar 1999

An Estimate Of The Uptake Of Atmospheric Methyl Bromide By Agricultural Soils, Ruth K. Varner, Patrick M. Crill, Robert W. Talbot, Joanne H. Shorter Mar 1999

Orientation Of Heparin-Binding Sites In Native Vitronectin. Analyses Of Ligand Binding To The Primary Glycosaminoglycan-Binding Site Indicate That Putative Secondary Sites Are Not Functional, Angelia D. Gibson, John A. Lamerdin, Ping Zhuang, Kunnumal Baburaj, Engin H. Serpersu, Cynthia B. Peterson Mar 1999

The Behavior Of Inorganic Material In Biomass-Fired Power Boilers: Field And Laboratory Experiences, Larry Lin Baxter 8507091, Thomas R. Miles, Thomas R. Miles Jr, Bryan M. Jenkins, Thomas Milne, David Dayton, Richard W. Bryers, Larry L. Oden Mar 1999

Combustion Properties Of Biomass, B. M. Jenkins, Larry Lin Baxter 8507091, T. R. Miles Jr, T. R. Miles Mar 1999

Erratum: Lizards Took Express Train To Polynesia (Nature (1999) 397 (13- 114), C. Austin Feb 1999

Crystal Structure Of The H256a Mutant Of Rat Testis Fructose-6- Phosphate,2-Kinase/Fructose-2,6-Bisphosphatase: Fructose 6-Phosphate In The Active Site Leads To Mechanisms For Both Mutant And Wild Type Bisphosphatase Activities, Mi H. Yuen, Hiroyuki Mizuguchi, Yong Hwan Lee, Paul F. Cook, Kosaku Uyeda, Charles A. Hasemann Jan 1999

Rainfall Stimulation Of Primary Production In Western Atlantic Ocean Waters: Roles Of Different Nitrogen Sources And Co-Limiting Nutrients, Hans W. Paerl, Joan D. Willey, Malia Go, Benjamin L. Peierls, James L. Pinckney, Marilyn L. Fogel Jan 1999

Interaction Of Soil Moisture And Seedling Shelters On Water Relations Of Baldcypress Seedlings, Ty Swirin, Hans Williams, Bob Keeland Jan 1999

Caudal Distraction By Rat Snakes (Colubridae, Elaphe): A Novel Behavior Used When Capturing Mammalian Prey, Stephen J. Mullin Jan 1999

Does Nonrandom Nest Placement Imply Nonrandom Nest Predation?: A Reply, Robert J. Cooper, R. Randy Wilson, Gary D. Zenitsky, Stephen J. Mullin, Jennifer A. Dececco, Matthew R. Marshall, Dorothy J. Wolf, Lars Y. Pomara Jan 1999

Iron-Induced Oxidative Stress In Erythrocyte Membranes Of Non-Insulin-Dependent Diabetic Nigerians, Gbolahan W. Okunade, Odutayo O. Odunuge, Olufunso O. Olorunsogo Jan 1999

Reversal Of Sodium Arsenite Inhibition Of Rat Liver Microsomal Ca2+ Pumping Atpase By Vitamin C, Odutayo O. Odunuge, Gbolahan W. Okunade, Olufunso O. Olorunsogo Jan 1999

Relationships Of Selected Soil Properties And Community Species Composition In Turkey Hill Wilderness Area In East Texas, Kenneth W. Farrish, Brian P. Oswald Jan 1999

Management Of Droughty Site: Typic Quartzipsamments, Ecological Considerations, David Kulhavy, W. G. Ross, L. Allen Smith, R. R. Cahal Jan 1999

Changes In Understory Woody Vegetation In Red-Cockaded Woodpecker (Picoides Borealis) Nesting Clusters, W. D. Hacker, W. G. Ross, David Kulhavy Jan 1999

Seedling Survival And Natural Regeneration For A Bottomland Hardwood Planting On Sites Differing In Site Preparation, Daniel T. Johns, Brett Williams, Hans M. Williams, Matthew Stroupe Jan 1999

Seedling Survival And Natural Regeneration For A Bottomland Hardwood Planting On Sites Differing In Site Preparation, Daniel T. Johns, Brett Williams, Hans M. Williams, Matthew Stroupe

Faculty Publications

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In January 1998, three tracts in Hardin County, TX, were hand-planted with seven species of 1-0 bareroot bottomland hardwood seedlings. The tracts, managed by The Nature Conservancy of Texas, were previously 20-year-old pine plantations. The tracts are located within the floodplain of Village Creek. An objective for this conversion is the restoration of a bottomland hardwood wetland in order to meet Clean Water Act requirements. A pre-harvest plant inventory was conducted for each tract. The tracts were clearcut during the Winter and Spring of 1997. Following harvest, each tract was subjected to a different site preparation technique. One tract was …

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Some Aspects Of The Adsorption Of A Lennard-Jones Gas On A Rough Surface, Douglas Henderson, Pawel Bryk, Stefan Sokolowski Jan 1999

Some Aspects Of The Adsorption Of A Lennard-Jones Gas On A Rough Surface, Douglas Henderson, Pawel Bryk, Stefan Sokolowski

Faculty Publications

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We study the adsorption, including wetting, of a Lennard-Jones gas on a rough surface consisting of rough layer on a smooth substrate with which the gas interacts via a 9-3 potential. The rough layer is two molecular diameters thick and consists of a disordered quenched matrix of hard spheres. As well as interacting with the other matrix spheres by the hard-sphere potential, the matrix molecules interact with the gas molecules by the hard-sphere potential. Hence, on average, the degree to which the gas molecules can approach the substrate depends only on the density of the matrix layer. The density of …

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Biochemical And Biophysical Analysis Of The Intracellular Lipid Binding Proteins Of Adipocytes, Melanie A. Simpson, Vince J. Licata, Natalie Ribarik Coe, David A. Bernlohr Jan 1999

Biochemical And Biophysical Analysis Of The Intracellular Lipid Binding Proteins Of Adipocytes, Melanie A. Simpson, Vince J. Licata, Natalie Ribarik Coe, David A. Bernlohr

Faculty Publications

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Adipocytes express two lipid-binding proteins; the major one termed the adipocyte lipid-binding protein or aP2 (ALBP/aP2) and a minor one referred to as the keratinocyte lipid-binding protein (KLBP). In order to evaluate the potential physiological roles for these proteins, their biochemical and biophysical properties have been analyzed and compared. ALBP/aP2 and KLBP exhibit similar binding affinities for most long-chain fatty acids; however, ALBP/aP2 exhibits a two to three-fold increased affinity for myristic, palmitic, oleic and linoleic acids, the predominant fatty acids of adipocytes. As measured by guanidinium hydrochloride denaturation, the stability of ALBP/aP2 is nearly 3 kcal/mol greater than that …

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Hydrostatic Pressure Alters The Time Course Of Gtp[S] Binding To G Proteins In Brain Membranes From Two Congeneric Marine Fishes, Joseph F. Siebenaller, Thomas F. Murray Jan 1999

Hydrostatic Pressure Alters The Time Course Of Gtp[S] Binding To G Proteins In Brain Membranes From Two Congeneric Marine Fishes, Joseph F. Siebenaller, Thomas F. Murray

Faculty Publications

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The effects of hydrostatic pressure on the receptor-stimulated exchange of guanosine triphosphate (GTP) for guanosine diphosphate (GDP) on the α subunit of G proteins were studied in two congeneric marine teleost fishes that differ in their depths of distribution. The poorly hydrolyzable GTP analog [35S]guanosine 5'-[γ-thio]triphosphate ([35S]GTP[S]) was used to monitor the modulation of signal transduction by the A(I) adenosine receptor agonist N6-R-(phenylisopropyl)adenosine (R-PIA) in brain membranes of the scorpaenids Sebastolobus alascanus and S. altivelis. The maximal binding (B(max)) and dissociation constant (K(d)) values, determined from equilibrium binding isotherms at atmospheric pressure (5°C), were similar in the two species. The …

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Protein And Ligand Adaptation In A Retinoic Acid Binding Protein, Rekha Pattanayek, Marcia E. Newcomer Jan 1999

Protein And Ligand Adaptation In A Retinoic Acid Binding Protein, Rekha Pattanayek, Marcia E. Newcomer

Faculty Publications

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A retinoic acid binding protein isolated from the lumen of the rat epididymis (ERABP) is a member of the lipocalin superfamily. ERABP binds both the all-trans and 9-cis isomers of retinoic acid, as well as the synthetic retinoid (E)-4-[2-(5,6,7,8)-tetrahydro-5,5,8,8-tetramethyl-2 napthalenyl-1 propenyl]-benzoic acid (TTNPB), a structural analog of all-trans retinoic acid. The structure of ERABP with a mixture of all-trans and 9-cis retinoic acid has previously been reported. To elucidate any structural differences in the protein when bound to the all-trans and 9-cis isomers, the structures of all-trans retinoic acid-ERABP and 9-cis retinoic acid ERABP were determined. Our results indicate that …

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Attributes Of Atmospheric Carbon Monoxide Oxidation By Maine Forest Soils, G. M. King Jan 1999

Attributes Of Atmospheric Carbon Monoxide Oxidation By Maine Forest Soils, G. M. King

Faculty Publications

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CO, one of the most important trace gases, regulates tropospheric methane, hydroxyl radical, and ozone contents. Ten to 25% of the estimated global CO flux may be consumed by soils annually. Depth profiles for 14CO oxidation and CO concentration indicated that CO oxidation occurred primarily in surface soils and that photooxidation of soil organic matter did not necessarily contribute significantly to CO fluxes. Kinetic analyses revealed that the apparent K(m) was about 18 nM (17 ppm) and the V(max) was 6.9 μmol g (fresh weight)-1 h-1; the apparent K(m) was similar to the apparent K(m) for atmospheric methane consumption, but …

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Costs Of Induced Responses And Tolerance To Herbivory In Male And Female Fitness Components Of Wild Radish, A. A. Agrawal, S. Y. Strauss, M. J. Stout Jan 1999

Costs Of Induced Responses And Tolerance To Herbivory In Male And Female Fitness Components Of Wild Radish, A. A. Agrawal, S. Y. Strauss, M. J. Stout

Faculty Publications

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Theory predicts that plant defensive traits are costly due to trade-offs between allocation to defense and growth and reproduction. Most previous studies of costs of plant defense focused on female fitness costs of constitutively expressed defenses. Consideration of alternative plant strategies, such as induced defenses and tolerance to herbivory, and multiple types of costs, including allocation to male reproductive function, may increase our ability to detect costs of plant defense against herbivores. In this study we measured male and female reproductive costs associated with induced responses and tolerance to herbivory in annual wild radish plants (Raphanus raphanistrum). We induced resistance …

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Genetic Analysis Of The Role Of Herpes Simplex Virus Type 1 Glycoprotein K In Infectious Virus Production And Egress, Timothy P. Foster, Konstantin G. Kousoulas Jan 1999

Genetic Analysis Of The Role Of Herpes Simplex Virus Type 1 Glycoprotein K In Infectious Virus Production And Egress, Timothy P. Foster, Konstantin G. Kousoulas

Faculty Publications

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Herpes simplex virus type 1 (KOS)ΔgK is a mutant virus which lacks glycoprotein K (gK) and exhibits defects in virion egress (S. Jayachandra, A. Baghian, and K. G. Kousoulas, J. Virol. 69:5401-5413, 1997). To further understand the role of gK in virus egress, we constructed recombinant viruses, ΔgKhpd-1, -2, -3, and -4, that specified gK amino-terminal portions of 139, 239, 268, and 326 amino acids, respectively, corresponding to truncations immediately after each of the four putative membrane-spanning domains of gK. ΔgKhpd-1 and ΔgKhpd-2 viruses produced lower yields and smaller plaques than ΔgK. Numerous ΔgKhpd-1 capsids accumulated predominately within large double-membrane …

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Use Of Western Immunoblot Analysis For Testing Moose Serum For Brucella Suis Biovar 4 Specific Antibodies, Matthew D. Edmonds, Felicia M. Ward, Todd M. O'Hara, Philip H. Elzer Jan 1999

Use Of Western Immunoblot Analysis For Testing Moose Serum For Brucella Suis Biovar 4 Specific Antibodies, Matthew D. Edmonds, Felicia M. Ward, Todd M. O'Hara, Philip H. Elzer

Faculty Publications

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To determine if 12 moose (Alces alces) from northern Alaska with agglutinating antibodies specific for Brucella spp. had been exposed to either B. suis biovar 4 or B. abortus biovar 1, western immunoblot serologic analysis was performed. Differential serologic responses to strain specific A and M antigenic variances of the lipopolysaccharide O-polysaccharide sugar allowed strain identification. Prior to examination, test sera were absorbed with killed whole cells from either B. abortus biovar 1, containing predominately A antigen (A+ M-); B. melitensis biovar 1, containing essentially M antigen (A-M+); or B. suis biovar 4, containing both antigenic types (A+ M+). The …

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The Siderophore 2,3-Dihydroxybenzoic Acid Is Not Required For Virulence Of Brucella Abortus In Balb/C Mice, Bryan H. Bellaire, Philip H. Elzer, Cynthia L. Baldwin, R. Martin Roop Jan 1999

The Siderophore 2,3-Dihydroxybenzoic Acid Is Not Required For Virulence Of Brucella Abortus In Balb/C Mice, Bryan H. Bellaire, Philip H. Elzer, Cynthia L. Baldwin, R. Martin Roop

Faculty Publications

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2,3-Dihydroxybenzoic acid (DHBA) is the only siderophore described for Brucella, and previous studies suggested that DHBA might contribute to the capacity of these organisms to persist in host macrophages. Employing an isogenic siderophore mutant (ΔentC) constructed from virulent Brucella abortus 2308, however, we found that production of DHBA is not required for replication in cultured murine macrophages or for the establishment and maintenance of chronic infection in the BALB/c mouse model.

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