James B. Anderson

http://www.fz-juelich.de/nic-series/volume10 Diffusion and Green’s Function Quantum Monte Carlo Methods (2009)

James B. Anderson, J. Grotendorst, D. Marx, A. Muramatsu (eds, James B. Anderson

Permission to make digital or hard copies of portions of this work for personal or classroom use is granted provided that the copies are not made or distributed for profit or commercial advantage and...

Divergent adaptation promotes reproductive isolation among experimental populations of the filamentous fungus Neurospora (2008)

Dettman, Jeremy R, Anderson, James B, Kohn, Linda M

Abstract Background An open, focal issue in evolutionary biology is how reproductive isolation and speciation are initiated; elucidation of mechanisms with empirical evidence has lagged behind...

BACKGROUND AND SAMPLING EFFECTS IN FREE JET STUDIES BY MOLECULAR BEAM MEASUREMENTS, (2005)

Fenn,John B., Anderson,James B.

The effects of finite background pressures on free supersonic jets from sonic nozzles were investigated. It was found that at sufficiently low jet densities, which were characterized in terms of...

HIGH ENERGY MOLECULAR BEAMS. (2005)

Anderson,James B., Fenn,John B.

A description is presented of research on producing and using high energy and high intensity molecular beams. Two studies were completed. One was concerned with a theoretical and experimental...

76-Inch Diameter Centrifuge Facility. (2002)

Anderson,James B., Reichenbach,R. E.

The purpose of this Technical Note is to serve as an operating guide for the 76-inch diameter centrifuge facility. The operating procedures recommended in this manual evolved during the initial...

A very high accuracy potential energy surface for H3 (1999)

Wu, Y.-S. Mark, Kuppermann, Aron, Anderson, James B.

An exact quantum Monte Carlo (EQMC) method was used to calculate the potential energy surface (PES) for the ground electronic state of H3 over a grid of about 76000 nuclear geometries. The absolute...

HIGH ENERGY MOLECULAR BEAMS. (1998)

Anderson,James B., Fenn,John B.

A description of research on producing high energy molecular beams is given. Results of previously published work are summarized for the development of techniques for generating neutral beams in the...

AN INVESTIGATION OF THE EFFECT OF ACCELERATION ON THE BURNING RATE OF COMPOSITE PROPELLANTS. (1998)

Anderson, James B., Reichenbach, Roy E.

The average burning rates of composite solid rocket propellant were measured in acceleration fields up to 2000 times the standard acceleration of gravity. The acceleration vector was perpendicular to...

INTERMEDIATE ENERGY MOLECULAR BEAMS FROM FREE JETS OF MIXED GASES. (1998)

Anderson, James B.

Velocities and velocity distributions of species in molecular beams extracted from free jets are examined theoretically and experimentally. An extension of a nearly-inviscid flow theory is successful...

Direct Simulation of Ultrafast Detonations in Mixtures (1998)

O'Connor, Patrick D., Long, Lyle N., Anderson, James B.

nearly a century experimental measurements of the velocities of detonations in gases have been found in general agreement with those of the Chapman-Jouguet (C-J) hypothesis predicting velocities,...

mtDNA recombination in a natural population

Saville, Barry J., Kohli, Yatika, Anderson, James B.

Variation in mtDNA has been used extensively to draw inferences in phylogenetics and population biology. In the majority of eukaryotes investigated, transmission of mtDNA is uniparental and clonal,...

Multilocus Genotyping Indicates that the Ability To Invade the Bloodstream Is Widespread among Candida albicans Isolates

Luu, Lien N., Cowen, Leah E., Sirjusingh, Caroline, Kohn, Linda M., Anderson, James B.

Multilocus genotyping was used to compare populations of Candida albicans from oral mucosa and blood. No significant differences in allele frequencies between the two samples were detected, and in a...

Multilocus Genotypes and DNA Fingerprints Do Not Predict Variation in Azole Resistance among Clinical Isolates of Candida albicans

Cowen, Leah E., Sirjusingh, Caroline, Summerbell, Richard C., Walmsley, Sharon, Richardson, Susan, Kohn, Linda M., ...

If variation in azole resistance is due to inherent differences in strains of Candida albicans, as a predominantly clonal organism, then correlation between multilocus genotypes and drug resistance...

Evolution of Drug Resistance in Experimental Populations of Candida albicans

Cowen, Leah E., Sanglard, Dominique, Calabrese, David, Sirjusingh, Caroline, Anderson, James B., Kohn, Linda M.

Adaptation to inhibitory concentrations of the antifungal agent fluconazole was monitored in replicated experimental populations founded from a single, drug-sensitive cell of the yeast Candida...

Infrequent Genetic Exchange and Recombination in the Mitochondrial Genome of Candida albicans

Anderson, James B., Wickens, Claire, Khan, Mustafa, Cowen, Leah E., Federspiel, Nancy, Jones, Ted, ...

Previous analyses of diploid nuclear genotypes have concluded that recombination has occurred in populations of the yeast Candida albicans. To address the possibilities of clonality and recombination...

Divergence in Fitness and Evolution of Drug Resistance in Experimental Populations of Candida albicans

Cowen, Leah E., Kohn, Linda M., Anderson, James B.

The dissemination and persistence of drug-resistant organisms in nature depends on the relative fitness of sensitive and resistant genotypes. While resistant genotypes are expected to be at an...

Population genomics of drug resistance in Candida albicans

Cowen, Leah E., Nantel, André, Whiteway, Malcolm S., Thomas, David Y., Tessier, Daniel C., Kohn, Linda M., ...

We followed adaptation in experimental microbial populations to inhibitory concentrations of an antimicrobial drug. The evolution of drug resistance was accompanied in all cases by changes in gene...

Localization of the Mating Type Gene in Agaricus bisporus

Xu, Jianping, Kerrigan, Richard W., Horgen, Paul A., Anderson, James B.

The cultivated mushroom Agaricus bisporus is secondarily homothallic. Most basidia produce two basidiospores, each of which receives two of the four postmeiotic nuclei. Usually, the two packaged...

Crosses among Homokaryons from Commercial and Wild-Collected Strains of the Mushroom Agaricus brunnescens (= A. bisporus)

Castle, Alan J., Horgen, Paul A., Anderson, James B.

A new technique for the production of hybrid strains of the cultivated mushroom Agaricus brunnescens is described. Homokaryons were recovered from regenerated protoplasts obtained from several...

Restriction Fragment Length Polymorphisms in the Mushrooms Agaricus brunnescens and Agaricus bitorquis

Castle, Alan J., Horgen, Paul A., Anderson, James B.

Two Agaricus species, A. brunnescens (a commercial mushroom) and A. bitorquis (a wild, edible species), were examined for restriction fragment length polymorphisms. EcoRI-digested nuclear DNA from...

In Vitro Evolution of Itraconazole Resistance in Aspergillus fumigatus Involves Multiple Mechanisms of Resistance

Da Silva Ferreira, Márcia Eliana, Capellaro, José Luiz, Dos Reis Marques, Everaldo, Malavazi, Iran, Perlin, David, Park, Steven, ...

We investigated the evolution of resistance to the antifungal drug itraconazole in replicate populations of Aspergillus fumigatus that were founded from a strain with a genotype of sensitivity to a...

Isolation of Chloroplastic Phosphoglycerate Kinase 1: Kinetics of the Two-Enzyme Phosphoglycerate Kinase/Glyceraldehyde-3-Phosphate Dehydrogenase Couple

Macioszek, Jerzy, Anderson, James B., Anderson, Louise E.

We report here a method for the isolation of high specific activity phosphoglycerate kinase (EC 2.7.2.3) from chloroplasts. The enzyme has been purified over 200-fold from pea (Pisum sativum L.)...

Haploidy, Diploidy and Evolution of Antifungal Drug Resistance in Saccharomyces cerevisiae

Anderson, James B., Sirjusingh, Caroline, Ricker, Nicole

We tested the hypothesis that the time course of the evolution of antifungal drug resistance depends on the ploidy of the fungus. The experiments were designed to measure the initial response to the...

Mode of selection and experimental evolution of antifungal drug resistance in Saccharomyces cerevisiae.

Anderson, James B, Sirjusingh, Caroline, Parsons, Ainslie B, Boone, Charles, Wickens, Claire, Cowen, Leah E, ...

We show that mode of selection, degree of dominance of mutations, and ploidy are determining factors in the evolution of resistance to the antifungal drug fluconazole in yeast. In experiment 1, yeast...

Dikaryons of the basidiomycete fungus Schizophyllum commune: evolution in long-term culture.

Clark, Travis A, Anderson, James B

The impact of ploidy on adaptation is a central issue in evolutionary biology. While many eukaryotic organisms exist as diploids, with two sets of gametic genomes residing in the same nucleus, most...

Antagonism between Two Mechanisms of Antifungal Drug Resistance

Anderson, James B., Ricker, Nicole, Sirjusingh, Caroline

This study tested for interaction between two independently evolved mechanisms of fluconazole resistance in Saccharomyces cerevisiae. One set of strains was from a 400-generation evolution...

mtDNA recombination in a natural population

Saville, Barry J., Kohli, Yatika, Anderson, James B.

Variation in mtDNA has been used extensively to draw inferences in phylogenetics and population biology. In the majority of eukaryotes investigated, transmission of mtDNA is uniparental and clonal,...

Multilocus Genotyping Indicates that the Ability To Invade the Bloodstream Is Widespread among Candida albicans Isolates

Luu, Lien N., Cowen, Leah E., Sirjusingh, Caroline, Kohn, Linda M., Anderson, James B.

Multilocus genotyping was used to compare populations of Candida albicans from oral mucosa and blood. No significant differences in allele frequencies between the two samples were detected, and in a...

Multilocus Genotypes and DNA Fingerprints Do Not Predict Variation in Azole Resistance among Clinical Isolates of Candida albicans

Cowen, Leah E., Sirjusingh, Caroline, Summerbell, Richard C., Walmsley, Sharon, Richardson, Susan, Kohn, Linda M., ...

If variation in azole resistance is due to inherent differences in strains of Candida albicans, as a predominantly clonal organism, then correlation between multilocus genotypes and drug resistance...

Evolution of Drug Resistance in Experimental Populations of Candida albicans

Cowen, Leah E., Sanglard, Dominique, Calabrese, David, Sirjusingh, Caroline, Anderson, James B., Kohn, Linda M.

Adaptation to inhibitory concentrations of the antifungal agent fluconazole was monitored in replicated experimental populations founded from a single, drug-sensitive cell of the yeast Candida...

Infrequent Genetic Exchange and Recombination in the Mitochondrial Genome of Candida albicans

Anderson, James B., Wickens, Claire, Khan, Mustafa, Cowen, Leah E., Federspiel, Nancy, Jones, Ted, ...

Previous analyses of diploid nuclear genotypes have concluded that recombination has occurred in populations of the yeast Candida albicans. To address the possibilities of clonality and recombination...

Divergence in Fitness and Evolution of Drug Resistance in Experimental Populations of Candida albicans

Cowen, Leah E., Kohn, Linda M., Anderson, James B.

The dissemination and persistence of drug-resistant organisms in nature depends on the relative fitness of sensitive and resistant genotypes. While resistant genotypes are expected to be at an...

Population genomics of drug resistance in Candida albicans

Cowen, Leah E., Nantel, André, Whiteway, Malcolm S., Thomas, David Y., Tessier, Daniel C., Kohn, Linda M., ...

We followed adaptation in experimental microbial populations to inhibitory concentrations of an antimicrobial drug. The evolution of drug resistance was accompanied in all cases by changes in gene...

Localization of the Mating Type Gene in Agaricus bisporus

Xu, Jianping, Kerrigan, Richard W., Horgen, Paul A., Anderson, James B.

The cultivated mushroom Agaricus bisporus is secondarily homothallic. Most basidia produce two basidiospores, each of which receives two of the four postmeiotic nuclei. Usually, the two packaged...

Crosses among Homokaryons from Commercial and Wild-Collected Strains of the Mushroom Agaricus brunnescens (= A. bisporus)

Castle, Alan J., Horgen, Paul A., Anderson, James B.

A new technique for the production of hybrid strains of the cultivated mushroom Agaricus brunnescens is described. Homokaryons were recovered from regenerated protoplasts obtained from several...

Restriction Fragment Length Polymorphisms in the Mushrooms Agaricus brunnescens and Agaricus bitorquis

Castle, Alan J., Horgen, Paul A., Anderson, James B.

Two Agaricus species, A. brunnescens (a commercial mushroom) and A. bitorquis (a wild, edible species), were examined for restriction fragment length polymorphisms. EcoRI-digested nuclear DNA from...

In Vitro Evolution of Itraconazole Resistance in Aspergillus fumigatus Involves Multiple Mechanisms of Resistance

Da Silva Ferreira, Márcia Eliana, Capellaro, José Luiz, Dos Reis Marques, Everaldo, Malavazi, Iran, Perlin, David, Park, Steven, ...

We investigated the evolution of resistance to the antifungal drug itraconazole in replicate populations of Aspergillus fumigatus that were founded from a strain with a genotype of sensitivity to a...

Isolation of Chloroplastic Phosphoglycerate Kinase 1: Kinetics of the Two-Enzyme Phosphoglycerate Kinase/Glyceraldehyde-3-Phosphate Dehydrogenase Couple

Macioszek, Jerzy, Anderson, James B., Anderson, Louise E.

We report here a method for the isolation of high specific activity phosphoglycerate kinase (EC 2.7.2.3) from chloroplasts. The enzyme has been purified over 200-fold from pea (Pisum sativum L.)...

Haploidy, Diploidy and Evolution of Antifungal Drug Resistance in Saccharomyces cerevisiae

Anderson, James B., Sirjusingh, Caroline, Ricker, Nicole

We tested the hypothesis that the time course of the evolution of antifungal drug resistance depends on the ploidy of the fungus. The experiments were designed to measure the initial response to the...

Mode of selection and experimental evolution of antifungal drug resistance in Saccharomyces cerevisiae.

Anderson, James B, Sirjusingh, Caroline, Parsons, Ainslie B, Boone, Charles, Wickens, Claire, Cowen, Leah E, ...

We show that mode of selection, degree of dominance of mutations, and ploidy are determining factors in the evolution of resistance to the antifungal drug fluconazole in yeast. In experiment 1, yeast...

Dikaryons of the basidiomycete fungus Schizophyllum commune: evolution in long-term culture.

Clark, Travis A, Anderson, James B

The impact of ploidy on adaptation is a central issue in evolutionary biology. While many eukaryotic organisms exist as diploids, with two sets of gametic genomes residing in the same nucleus, most...

Antagonism between Two Mechanisms of Antifungal Drug Resistance

Anderson, James B., Ricker, Nicole, Sirjusingh, Caroline

This study tested for interaction between two independently evolved mechanisms of fluconazole resistance in Saccharomyces cerevisiae. One set of strains was from a 400-generation evolution...

Acquisition of Aneuploidy Provides Increased Fitness during the Evolution of Antifungal Drug Resistance

Selmecki, Anna M., Dulmage, Keely, Cowen, Leah E., Anderson, James B., Berman, Judith

The evolution of drug resistance is an important process that affects clinical outcomes. Resistance to fluconazole, the most widely used antifungal, is often associated with acquired aneuploidy. Here...

Gene Expression and Evolution of Antifungal Drug Resistance▿ †

Anderson, James B., Sirjusingh, Caroline, Syed, Nazia, Lafayette, Shantelle

Permanent changes in gene expression result from certain forms of antifungal resistance. In this study, we asked whether any changes in gene expression are required for the evolution of a...