Selection pressures
Preliminary evidence of different selection pressures on cancer cells as compared to normal tissues
... natural selection [18]. These, so-called “ tests of selection ” attempt to differ- entiate neutral evolution ...natural selection to conserve the amino acid sequence (puri- fying ...natural ...
11
Progression of phosphine resistance in susceptible Tribolium castaneum (Herbst) populations under different immigration regimes and selection pressures
... Insecticide resistance is an escalating global issue for a wide variety of agriculturally important pests. The genetic basis and biochemical mechanisms of resistance are well characterized in some systems, but little is ...
12
Challenges in estimating insecticide selection pressures from mosquito field data.
... The estimated values of h, 0.77 to 0.78, point to partial dominance of the resistance allele under field settings. Alleles conferring knockdown resistance were found to be to be recessive or semi-recessive in their ...
11
B epitopes and selection pressures in feline immunodeficiency virus envelope glycoproteins.
... 664 Downloaded from http://jvi.asm.org/ on November 9, 2019 by guest In order to map linear B epitopes in feline immunodeficiency virus FIV envelope glycoproteins Env, a random library o[r] ...
9
Evolution of size-dependent flowering in Onopordum illyricum: A quantitative assessment of the role of stochastic selection pressures
... influence the evolution of flowering strategies. The sim- plest models predict the size and age at flowering, which maximizes seed production, assuming a constant environ- ment and a deterministic growth trajectory. We ...
25
The effects of female status on sex differentiated mate preferences
... In the past, EP researchers have argued against a “structural powerlessness hypothesis”, suggesting that female status has not contributed to sex- differentiated mate preferences. More recently, however, EP’s sexual ...
290
Bill Redness Is Positively Associated with Reproduction and Survival in Male and Female Zebra Finches
... to selection on the other sex. When selection pressures differ between the sexes this can cause intralocus sexual ...antagonistic selection pressures have been demonstrated for few ...
6
Evolutionary origins of ultrasonic hearing and laryngeal echolocation in bats inferred from morphological analyses of the inner ear
... to selection pressures relating to the accommodation of elon- gated auditory sensory membranes of the inner ear [5], however, a previous study found no significant relationship between the number of ...
15
Surprisingly low limits of selection in plant domestication
... of selection that would be ...of selection pressures ...of selection as outlined in the simplest form of the Haldane-based model can be ameliorated, when the severity of the population ...
12
Genotype-Specific Evolution of Hepatitis E Virus
... different selection pressures on the genotypes ...the selection pressure analyses, or could be due simply to differences in the substitution rate ...positive selection in genotype 1 sequences, ...
16
The Evolution of Antifungal Peptides in Drosophila
... positive selection, suggesting that they may be coevolving with ...the selection pressures acting on Drosophila antifungal peptides (drosomycins) from both the divergence of drosomycin genes within ...
13
A deep sequencing approach to estimate Plasmodium falciparum complexity of infection (COI) and explore apical membrane antigen 1 diversity
... investigate the P. falciparum population genetic structure at both the individual and population level in the DRC, and (3) to explore AMA1 amino acid frequencies and potential selection pressures between ...
15
Probability theory applied to genetic populations
... no selection pressures* whereas the other models have particular offspring distributions* and have non-random mating and selection* When mutation is present* the most use ful result obtainable by ...
214
Complex dynamics and stability of resistance to antimalarial drugs
... Natural selection pressures against resistance mutations may be relatively large, evidence coming from the rare origin of resistance to the widely used antimalarials chloroquine (Wootton et ...and ...
10
4. Evolution
... allele frequency can be influenced by the founder effect which is the limited variety of alleles that start the new population. • There are different selection pressures on the two[r] ...
30
A proteomic study of sperm competition in mammals
... Along with evolutionary responses to selection pressures, individuals exhibit plasticity in reproductive traits according to the level of competition within their local population. Phenotypic plasticity ...
267
A Chip off the Old Block: A Model for the Evolution of Genomic Imprinting via Selection for Parental Similarity
... selection pressures to resemble a parent. In our model, this form of selection arises from migrational load, the conflict between local adaptation and immigration, which is represented by opposite ...
5
Culture and Cancer
... through selection pressure, and begins to write itself on that system’s ge- netic sequences or other internal structures in a distorted manner permitting definition of a mutual information I[K] splitting criterion ...
26
Evolving concepts of tumor heterogeneity
... Genetic heterogeneity of tumors is rooted in one of the key hallmarks of cancer: genetic instability [2]. Several mechanisms are in place in normal cells that protect against chromosome and nucleotide damage by prevent- ...
8
Effects of tractor bias ply tyre inflation pressure on stress distribution in silty loam soil
... The measured tyre contact area and calculated mean ground pressure at different inflation pressures are presented in Table 2. The width of the contact area was found to be equal or slightly smaller than the tyre ...
6