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Partitioning Into Graphs With Only Small Components, Noga Alon, Guoli Ding, Bogdan Oporowski, Dirk Vertigan Mar 2003

Partitioning Into Graphs With Only Small Components, Noga Alon, Guoli Ding, Bogdan Oporowski, Dirk Vertigan

Faculty Publications

The paper presents several results on edge partitions and vertex partitions of graphs into graphs with bounded size components. We show that every graph of bounded tree-width and bounded maximum degree admits such partitions. We also show that an arbitrary graph of maximum degree four has a vertex partition into two graphs, each of which has components on at most 57 vertices. Some generalizations of the last result are also discussed. © 2002 Elsevier Science (USA). All rights reserved.

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The Betti Numbers Of Some Finite Racks, R. A. Litherland, Sam Nelson Mar 2003

The Betti Numbers Of Some Finite Racks, R. A. Litherland, Sam Nelson

Faculty Publications

We show that the lower bounds for Betti numbers given in (J. Pure Appl. Algebra 157 (2001) 135) are equalities for a class of racks that includes dihedral and Alexander racks. We confirm a conjecture from the same paper by defining a splitting for the short exact sequence of quandle chain complexes. We define isomorphisms between Alexander racks of certain forms, and we also list the second and third homology groups of some dihedral and Alexander quandles. © 2002 Elsevier Science B.V. All rights reserved.

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Black Soldiers In Blue: African American Troops In The Civil War Era, James G. Hollandsworth Mar 2003

Black Soldiers In Blue: African American Troops In The Civil War Era, James G. Hollandsworth

Civil War Book Review

Full spectrum

Collection gives thorough view of black service

If you expect to have only one volume on African American soldiers in your Civil War library, make it this book. I do not know of another work that covers the topic as thoroughly or as thoughtfully as Black Soldiers....

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The Scalawags: Southern Dissenters In The Civil War And Reconstruction, Jonathan A. Noyalas Mar 2003

The Scalawags: Southern Dissenters In The Civil War And Reconstruction, Jonathan A. Noyalas

Civil War Book Review

Against the Tide

Traitorous veil lifted from Southern Unionists

For decades following the American Civil War individuals who opposed the Reconstruction policies of the Republican Party portrayed scalawags negatively, utilizing terms such as traitor or Judas Iscariot. Historian Ja....

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A Regiment Of Slaves: The 4th United States Colored Infantry, 1863-1866, Arthur L. Bradshaw Mar 2003

A Regiment Of Slaves: The 4th United States Colored Infantry, 1863-1866, Arthur L. Bradshaw

Civil War Book Review

A distinguished unit

Story told from black soldiers' perspective

Civil War historians have recently benefited from new books that have as their basis previously unpublished journals and family letters. They are also experiencing an interest in an area that constitutes one of the....

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Annotations, Cwbr_Editor Mar 2003

Annotations, Cwbr_Editor

Civil War Book Review

No abstract provided.

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Bioengineered ‘Golden’ Indica Rice Cultivars With Β-Carotene Metabolism In The Endosperm With Hygromycin And Mannose Selection Systems, Karabi Datta, Niranjan Baisakh, Norman Oliva, Lina Torrizo, Editha Abrigo, Jing Tan, Mayank Rai, Sayda Rehana, Salim Al-Babili, Peter Beyer, Ingo Potrykus, Swapan K. Datta Mar 2003

Bioengineered ‘Golden’ Indica Rice Cultivars With Β-Carotene Metabolism In The Endosperm With Hygromycin And Mannose Selection Systems, Karabi Datta, Niranjan Baisakh, Norman Oliva, Lina Torrizo, Editha Abrigo, Jing Tan, Mayank Rai, Sayda Rehana, Salim Al-Babili, Peter Beyer, Ingo Potrykus, Swapan K. Datta

Faculty Publications

Vitamin-A deficiency (VAD) is a major malnutrition problem in South Asia, where indica rice is the staple food. Indica-type rice varieties feed more than 2 billion people. Hence, we introduced a combination of transgenes using the biolistic system of transformation enabling biosynthesis of provitamin A in the endosperm of several indica rice cultivars adapted to diverse ecosystems of different countries. The rice seed-specific glutelin promoter (Gt-1 P) was used to drive the expression of phytoene synthase (psy), while lycopene β-cyclase (lcy) and phytoene desaturase (crtI), fused to the transit peptide sequence of the pea-Rubisco small subunit, were driven by the …

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The Civil War Soldier: A Historical Reader, Charles R. Bowery Jr. Mar 2003

The Civil War Soldier: A Historical Reader, Charles R. Bowery Jr.

Civil War Book Review

Soldier's story

Comprehensive anthology features seminal scholarship

The Civil War enthusiast interested in delving into the existing scholarship on the war's common soldiers can be forgiven for feeling overwhelmed. Since Bell Irvin Wiley published Life of Johnny Reb in 19....

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Jefferson Davis, Confederate President, Donald C. Simmons Mar 2003

Jefferson Davis, Confederate President, Donald C. Simmons

Civil War Book Review

Mystery man

Highly accessible reference tackles scholarly conflicts

Jefferson Davis has undoubtedly been the subject of more books and scholarly articles than any other nineteenth-century American political figure. Herman Hattaway and Richard Beringer, in this well researched wor....

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Mr. Lincoln's Wars: A Novel In Thirteen Stories, Wolfgang Hochbruck Mar 2003

Mr. Lincoln's Wars: A Novel In Thirteen Stories, Wolfgang Hochbruck

Civil War Book Review

Telling Tales

Stories pivot around axis of Lincoln There was a time in American Literary History when most of the fiction about the American Civil War kept re-fighting the war from one or the other, more or less, jaundiced point of view. The result was a dead pile of second and ....

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Urban Emancipation: Popular Politics In Reconstruction Mobile, 1860-1890, Aaron Sheehan-Dean Mar 2003

Urban Emancipation: Popular Politics In Reconstruction Mobile, 1860-1890, Aaron Sheehan-Dean

Civil War Book Review

Why did Reconstruction fail?

Perspectives on post-war African-American politics

Over the past several decades, revisionist scholars of Reconstruction have focused on the possibilities of social change embodied in the interracial cooperation of the Republican party after the Civi....

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War And Ruin: William T. Sherman And The Savannah Campaign, John Deppen Mar 2003

War And Ruin: William T. Sherman And The Savannah Campaign, John Deppen

Civil War Book Review

Few deliberate depredations

March to the Sea is reexamined

No amount of objective analysis or careful scrutiny of the historical record will ever redeem Major General William T. Sherman in the eyes of many Southerners. After generations of vilification, Sherman remains a fiend, a....

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White Doves At Morning, James Gordon Bennett Mar 2003

White Doves At Morning, James Gordon Bennett

Civil War Book Review

From crime fiction to historical novel

Familiar author takes on a new genre

After making his commercial bones in crime fiction, James Lee Burke takes a shot at an historical novel with White Doves at Morning, a Civil War melodrama featuring the best-selling author's usual....

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Fields Of Fury: The American Civil War, Larry Olpin Mar 2003

Fields Of Fury: The American Civil War, Larry Olpin

Civil War Book Review

Battle primer

Scholar reaches out to young audience

There can be little doubt with regard to James M. McPherson's rank as a Civil War scholar; he ranks among the very best. Aside from his seminal one volume history of the war, Battle Cry of Freedom, a partial list of his l....

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Carboxylate Groups On The Manganese-Stabilizing Protein Are Required For Efficient Binding Of The 24 Kda Extrinsic Protein To Photosystem Ii, Terry M. Bricker, Laurie K. Frankel Feb 2003

Carboxylate Groups On The Manganese-Stabilizing Protein Are Required For Efficient Binding Of The 24 Kda Extrinsic Protein To Photosystem Ii, Terry M. Bricker, Laurie K. Frankel

Faculty Publications

The effects of the modification of carboxylate groups on the manganese-stabilizing protein on the binding of the 24 kDa extrinsic protein to Photosystem II were investigated. Carboxylate groups on the manganese-stabilizing protein were modified with glycine methyl ester in a reaction facilitated by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide. The manganese-stabilizing protein which was modified while associated with NaCl-washed membranes could bind to calcium chloride-washed PS II membranes and reconstitute oxygen evolution in a manner similar to that observed for unmodified manganese-stabilizing protein (Frankel, L,K, Cruz, J. C. and Bricker, T. M. (1999) Biochemistry 38, 14271-14278), However, PS II membranes reconstituted with this modified protein …

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Salt Dependence Of Dna Binding By Thermus Aquaticus And Escherichia Coli Dna Polymerases, Kausiki Datta, Vince J. Licata Feb 2003

Salt Dependence Of Dna Binding By Thermus Aquaticus And Escherichia Coli Dna Polymerases, Kausiki Datta, Vince J. Licata

Faculty Publications

DNA binding properties of the Type 1 DNA polymerases from Thermus aquaticus (Taq, Klentaq) and Escherichia coli (Klenow) have been examined as a function of [KCl] and [MgCl2]. Full-length Taq and its Klentaq "large fragment" behave similarly in all assays. The two different species of polymerases bind DNA with submicromolar affinities in very different salt concentration ranges. Consequently, at similar [KCl] the binding of Klenow is ∼3 kcal/mol (150×) tighter than that of Taq/Klentaq to the same DNA. Linkage analysis reveals a net release of 2-3 ions upon DNA binding of Taq/Klentaq and 4-5 ions upon binding of Klenow. DNA …

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Revised Analysis Of The Supersoft X-Ray Phase, Helium Enrichment, And Turnoff Time In The 2000 Outburst Of The Recurrent Nova Ci Aquilae, Izumi Hachisu, Mariko Kato, Bradley E. Schaefer Feb 2003

Revised Analysis Of The Supersoft X-Ray Phase, Helium Enrichment, And Turnoff Time In The 2000 Outburst Of The Recurrent Nova Ci Aquilae, Izumi Hachisu, Mariko Kato, Bradley E. Schaefer

Faculty Publications

Recurrent nova CI Aquilae entered the final decline phase a bit before 2001 May, about 300 days after the optical maximum, showing the slowest evolution among recurrent novae. Based on the optically thick wind mass-loss theory of the thermonuclear runaway model, we have estimated the turnoff time of the CI Aql 2000 outburst to be in late 2001 March, after a luminous supersoft X-ray source phase lasting ∼150 days (from 2000 November until 2001 March). We have also found, by fitting our theoretical light curves with the 1917 and 2000 outbursts, the white dwarf (WD) mass to be MWD = …

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Review Of The Final Frontier, Michael F. Russo Feb 2003

Review Of The Final Frontier, Michael F. Russo

Faculty Publications

No abstract provided.

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Nonlinear Equations And Wavelets, A. Ludu, R. F. O'Connell, J. P. Draayer Feb 2003

Nonlinear Equations And Wavelets, A. Ludu, R. F. O'Connell, J. P. Draayer

Faculty Publications

Wavelet-inspired approaches for localized solutions of nonlinear partial differential equations (NDPE) were presented. A multi-scale similarity analysis was used which gives specific relations between the velocity, amplitude and width of localized solutions of nonlinear differential equations. This approach does not need the explicit form of the exact solutions.

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Faculty Senate Resolution 03-06, Louisiana State University And Agricultural & Mechanical College Feb 2003

Faculty Senate Resolution 03-06, Louisiana State University And Agricultural & Mechanical College

LSU Faculty Senate Publications

Faculty Senate Resolution to co-sponser the open forum on the Bush Administration's policy toward Iraq, adopted on February 10, 2003.

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Faculty Senate Resolution 03-05, Louisiana State University And Agricultural & Mechanical College Feb 2003

Faculty Senate Resolution 03-05, Louisiana State University And Agricultural & Mechanical College

LSU Faculty Senate Publications

Faculty Senate Resolution on Louisiana higher education funding, adopted on February 10, 2003.

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Climatic Influences On Riverine Nitrate Flux: Implications For Coastal Marine Eutrophication And Hypoxia, Dubravko Justic, R. Eugene Turner, Nancy N. Rabalais Feb 2003

Climatic Influences On Riverine Nitrate Flux: Implications For Coastal Marine Eutrophication And Hypoxia, Dubravko Justic, R. Eugene Turner, Nancy N. Rabalais

Faculty Publications

The average nitrate flux of the lower Mississippi River increased 3.3-fold between 1954–1967 and 1983–2000. During the same time period, the average nitrate concentration increased 2.3-fold while the average discharge increased 40%. Partitioning of the observed trend in nitrate flux among the two flux components, nitrate concentration and discharge, revealed that about 80% of the observed increase in flux could be explained by the increase in nitrate concentration. This indicates that a historical increase in the anthropogenic nutrient inputs has had a far greater impact on the lower Mississippi River nitrate flux than a change in climate. The influence of …

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Structure Of The Proline Dehydrogenase Domain Of The Multifunctional Puta Flavoprotein, Yong Hwan Lee, Shorena Nadaraia, Dan Gu, Donald F. Becker, John J. Tanner Feb 2003

Structure Of The Proline Dehydrogenase Domain Of The Multifunctional Puta Flavoprotein, Yong Hwan Lee, Shorena Nadaraia, Dan Gu, Donald F. Becker, John J. Tanner

Faculty Publications

The PutA flavoprotein from Escherichia coli plays multiple roles in proline catabolism by functioning as a membrane-associated bi-functional enzyme and a transcriptional repressor of proline utilization genes. The human homolog of the PutA proline dehydrogenase (PRODH) domain is critical in p53-mediated apoptosis and schizophrenia. Here we report the crystal structure of a 669-residue truncated form of PutA that shows both PRODH and DNA-binding activities, representing the first structure of a PutA protein and a PRODH enzyme from any organism. The structure is a domain-swapped dimer with each subunit comprising three domains: a helical dimerization arm, a 120-residue domain containing a …

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Stat5a Promotes Adipogenesis In Nonprecursor Cells And Associates With The Glucocorticoid Receptor During Adipocyte Differentiation, Z. Elizabeth Floyd, Jacqueline M. Stephens Feb 2003

Stat5a Promotes Adipogenesis In Nonprecursor Cells And Associates With The Glucocorticoid Receptor During Adipocyte Differentiation, Z. Elizabeth Floyd, Jacqueline M. Stephens

Faculty Publications

The differentiation of adipocytes is regulated by the activity of a variety of transcription factors, including peroxidase proliferator-activated receptor (PPAR)-γ and C/EBPα. Our current study demonstrates that ectopic expression of STAT5A, such as that of PPAR-γ and C/EBPα, promotes adipogenesis in two nonprecursor fibroblast cell lines. Using morphologic and biochemical criteria, we have demonstrated that STAT5A and the combination of STAT5A and STAT5B are sufficient to induce the expression of early and late adipogenic markers in BALB/c and NIH-3T3 cells. Yet, the ectopic expression of STAT5B alone does not induce the expression of adipocyte genes, but enhances the induction of …

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Methylation-Sensitive Binding Of Transcription Factor Yy1 To An Insulator Sequence Within The Paternally Expressed Imprinted Gene, Peg3, Joomyeong Kim, Angela Kollhoff, Anne Bergmann, Lisa Stubbs Feb 2003

Methylation-Sensitive Binding Of Transcription Factor Yy1 To An Insulator Sequence Within The Paternally Expressed Imprinted Gene, Peg3, Joomyeong Kim, Angela Kollhoff, Anne Bergmann, Lisa Stubbs

Faculty Publications

The 5�-ends of two paternally expressed mouse genes, Peg3 and Usp29, are jointly associated with a CpG island that exhibits allele-specific methylation. Sequence comparison of the regions derived from human, mouse and cow revealed the presence of two evolutionarily conserved sequence motifs including one that is repeated multiple times within the first intron of Peg3 in all three mammals. DNA mobility shift and chromatin immunoprecipitation (ChlP) assays clearly demonstrated that this motif is an in vivo binding site for the Gli-type transcription factor YY1. The YY1-binding site contains one CpG dinucleotide, and methylation of this CpG site abolishes the binding …

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Transcriptional Initiation Under Conditions Of Anoxia-Induced Quiescence In Mitochondria From Artemia Franciscana Embryos, Brian D. Eads, Steven C. Hand Feb 2003

Transcriptional Initiation Under Conditions Of Anoxia-Induced Quiescence In Mitochondria From Artemia Franciscana Embryos, Brian D. Eads, Steven C. Hand

Faculty Publications

In response to anoxia, embryos of the brine shrimp Artemia franciscana are able coordinately to downregulate metabolism to levels low enough to permit survival for several years at room temperature. In addition to dramatic decreases in free ATP levels and heat production, intracellular pH drops from 7.8 to 6.3 overnight. Use of isolated mitochondria to study transcriptional responses to anoxia offers several advantages: (1) the localized nature of transcript initiation, processing and degradation, all of which may be followed in organello; (2) the relatively simple cis- and trans-machinery involved and (3) the ability to provide relevant physiological treatments in vitro. …

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Localization And Characterization Of Phenamil-Sensitive Na+ Influx In Isolated Rainbow Trout Gill Epithelial Cells, Scott D. Reid, G. S. Hawkings, F. Galvez, G. G. Goss Feb 2003

Localization And Characterization Of Phenamil-Sensitive Na+ Influx In Isolated Rainbow Trout Gill Epithelial Cells, Scott D. Reid, G. S. Hawkings, F. Galvez, G. G. Goss

Faculty Publications

Percoll density-gradient separation, combined with peanut lectin agglutinin (PNA) binding and magnetic bead separation, was used to separate dispersed fish gill cells into sub-populations. Functional characterization of each of the sub-populations was performed to determine which displayed acid-activated phenamil- and bafilomycin-sensitive Na+ uptake. Analysis of the mechanism(s) of 22Na+ influx was performed in control and acid-activated (addition of 10 mmoll-1 proprionic acid) cells using a variety of Na+ transport inhibitors (ouabain, phenamil, HOE-694 and bumetanide) and a V-type ATPase inhibitor (bafilomycin). We found that cells migrating to a 1.03-1.05 g ml-1 Percoll interface [pavement cells (PVCs)] possessed the lowest rates …

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A Genome-Wide Linkage Analysis Investigating The Determinants Of Blood Pressure In Whites And African Americans, Bonnie A. Thiel, Aravinda Chakravarti, Richard S. Cooper, Amy Luke, Sue Lewis, Audrey Lynn, Hemant Tiwari, Nicholas J. Schork, Alan B. Weder Feb 2003

A Genome-Wide Linkage Analysis Investigating The Determinants Of Blood Pressure In Whites And African Americans, Bonnie A. Thiel, Aravinda Chakravarti, Richard S. Cooper, Amy Luke, Sue Lewis, Audrey Lynn, Hemant Tiwari, Nicholas J. Schork, Alan B. Weder

Faculty Publications

Evidence for genomic regions influencing systolic and diastolic blood pressure (BP) were assessed in a whole genome linkage analysis in 211 African American and 160 white families as part of the GenNet network of the National Heart, Lung and Blood Institute-sponsored Family Blood Pressure Program. Multipoint regression and variance components linkage methods were used to analyze 372 polymorphic markers. Statistically compelling evidence for linkage (P values .0057 and .00023, respectively) was found on chromosome 1. Our results support the idea that BP regulation is most likely governed by multiple genetic loci, each with a relatively weak effect on BP in …

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A Meta-Analysis Of Genome-Wide Linkage Scans For Hypertension: The National Heart, Lung And Blood Institute Family Blood Pressure Program, Michael A. Province, Sharon L.R. Kardia, Koustubh Ranade, Dabeeru C. Rao, Bonnie A. Thiel, Richard S. Cooper, Neil Risch, Stephen T. Turner, David R. Cox, Steven C. Hunt, Alan B. Weder, Eric Boerwinkle Feb 2003

A Meta-Analysis Of Genome-Wide Linkage Scans For Hypertension: The National Heart, Lung And Blood Institute Family Blood Pressure Program, Michael A. Province, Sharon L.R. Kardia, Koustubh Ranade, Dabeeru C. Rao, Bonnie A. Thiel, Richard S. Cooper, Neil Risch, Stephen T. Turner, David R. Cox, Steven C. Hunt, Alan B. Weder, Eric Boerwinkle

Faculty Publications

Background: Four multicenter Networks (GenNet, GENOA, HyperGEN, SAPPHIRe) form the National Heart, Lung and Blood Institute Family Blood Pressure Program (FBPP), to search for hypertension/blood pressure (BP) genes. The networks used different family designs and targeted multiple ethnic groups, using standardized protocols and definitions. Linkage genome scans were done on samples within each network (N = 6245 relatives). Methods: The evidence was synthesized using meta-analysis. Results: Combining ethnic groups, no region reached LOD >2, but several small peaks were identified, including chromosome 2p where two other recent reports find hypertension linkage. Conclusions: No regions show uniformly large effects on BP/hypertension …

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Race, Genes, And Health - New Wine In Old Bottles?, Richard S. Cooper Feb 2003

Race, Genes, And Health - New Wine In Old Bottles?, Richard S. Cooper

Faculty Publications

No abstract provided.

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