Search Results - "Funk, DJ"
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PERSPECTIVE: REPRODUCTIVE ISOLATION CAUSED BY NATURAL SELECTION AGAINST IMMIGRANTS FROM DIVERGENT HABITATS
Published in Evolution (01-04-2005)“…The classification of reproductive isolating barriers laid out by Dobzhansky and Mayr has motivated and structured decades of research on speciation. We argue,…”
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SPECIES-LEVEL PARAPHYLY AND POLYPHYLY: Frequency, Causes, and Consequences, with Insights from Animal Mitochondrial DNA
Published in Annual review of ecology, evolution, and systematics (01-01-2003)“…Many uses of gene trees implicitly assume that nominal species are monophyletic in their alleles at the study locus. However, in well-sampled gene trees,…”
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Ecological divergence exhibits consistently positive associations with reproductive isolation across disparate taxa
Published in Proceedings of the National Academy of Sciences - PNAS (28-02-2006)“…To what degree is the divergent adaptation responsible for life's phenotypic variety also responsible for generating the millions of species that manifest this…”
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Isolating a role for natural selection in speciation: host adaptation and sexual isolation in Neochlamisus bebbianae leaf beetles
Published in Evolution (01-12-1998)“…Muller (1942) and Mayr (1963) hypothesized that natural selection indirectly causes the evolution of reproductive barriers between allopatric populations by…”
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Herbivorous insects: model systems for the comparative study of speciation ecology
Published in Genetica (01-11-2002)“…Does ecological divergence drive species-level evolutionary diversification? How so and to what degree? These questions were central to the thinking of the…”
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Individual advantages to ecological specialization: insights on cognitive constraints from three conspecific taxa
Published in Proceedings of the Royal Society. B, Biological sciences (07-04-2006)“…make many host-associated decisions in nature, our results suggest that cognitive constraints may play a major role in the evolutionary dynamics of ongoing…”
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Temperature-Dependent Far-Infrared Spectra of Single Crystals of High Explosives Using Terahertz Time-Domain Spectroscopy
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (21-04-2005)“…Survey spectra of single-crystal HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine), RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine), and PETN…”
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Time resolved study of the laser ablation induced shockwave
Published in Thin solid films (01-04-2004)“…Laser ablation is used in laser plasma thrusters (LPT), in which the created plasma provides the thrust that is used to stabilize the trajectory of satellites…”
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THE EVOLUTION OF UNISEXUALITY IN CALLIGRAPHA LEAF BEETLES: MOLECULAR AND ECOLOGICAL INSIGHTS ON MULTIPLE ORIGINS VIA INTERSPECIFIC HYBRIDIZATION
Published in Evolution (01-02-2006)“…Interspecific hybridization is a well-established cause of unisexual origins in vertebrates. This mechanism is also suspected in other apomictic taxa, but…”
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Shock Induced Reaction Observed via Ultrafast Infrared Absorption in Poly(vinyl nitrate) Films
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-10-2004)“…Ultrafast laser shock generation methods and broad-band infrared reflection absorption spectroscopy have provided evidence that shock-induced chemistry in a…”
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Shock temperature measurement using neutron resonance spectroscopy
Published in Physical review letters (01-04-2005)“…We report a direct measurement of temperature in a shocked metal using Doppler broadening of neutron resonances. The 21.1-eV resonance in 182W was used to…”
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Molecular systematics of cytochrome oxidase I and 16S from Neochlamisus leaf beetles and the importance of sampling
Published in Molecular biology and evolution (01-01-1999)“…If a gene tree is to be judiciously used for inferring the histories of closely related taxa, (1) its topology must be sufficiently resolved and robust that…”
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Specialists make faster decisions than generalists: experiments with aphids
Published in Proceedings of the Royal Society. B, Biological sciences (22-01-1999)“…Theoretical studies and a few recent experimental reports suggest that the evolution of diet breadth in herbivorous insects is constrained by a limited neural…”
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Measurement of shock wave rise times in metal thin films
Published in Physical review letters (09-10-2000)“…We have measured the rise time of laser-generated shock waves in vapor plated metal thin films using frequency-domain interferometry with subpicosecond time…”
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Theoretical and Experimental Study of the Vibrational Spectra of the α, β, and δ Phases of Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX)
Published in The journal of physical chemistry. B (17-10-2002)“…The vibrational spectra of the α, β, and δ phases of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) have been investigated by complimentary theoretical…”
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Intraspecific Variation in Symbiont Genomes: Bottlenecks and the Aphid-Buchnera Association
Published in Genetics (Austin) (01-02-2001)“…Buchnera are maternally transmitted bacterial endosymbionts that synthesize amino acids that are limiting in the diet of their aphid hosts. Previous studies…”
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Mutation exposed: a neutral explanation for extreme base composition of an endosymbiont genome
Published in Journal of molecular evolution (01-12-2004)“…The influence of neutral mutation pressure versus selection on base composition evolution is a subject of considerable controversy. Yet the present study…”
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Intraspecific phylogenetic congruence among multiple symbiont genomes
Published in Proceedings of the Royal Society. B, Biological sciences (22-12-2000)“…Eukaryotes often form intimate endosymbioses with prokaryotic organisms. Cases in which these symbionts are transmitted cytoplasmically to host progeny create…”
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Spectrally modified chirped pulse generation of sustained shock waves
Published in Applied physics letters (27-05-2002)“…A method is described for generating shock waves with 10–20 ps risetime followed by >200 ps constant pressure, using spectrally modified (clipped) chirped…”
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A Conservative Test of Genetic Drift in the Endosymbiotic Bacterium Buchnera: Slightly Deleterious Mutations in the Chaperonin groEL
Published in Genetics (Austin) (01-12-2003)“…The obligate endosymbiotic bacterium Buchnera aphidicola shows elevated rates of sequence evolution compared to free-living relatives, particularly at…”
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