Results 21 to 30 of about 2,130,071 (305)

Are Protein Shape-Encoded Lowest-Frequency Motions a Key Phenotype Selected by Evolution?

open access: yesApplied Sciences, 2023
At the very deepest molecular level, the mechanisms of life depend on the operation of proteins, the so-called “workhorses” of the cell. Proteins are nanoscale machines that transform energy into useful cellular work, such as ion or nutrient transport ...
Laura Orellana
doaj   +1 more source

A spatial mutation model with increasing mutation rates

open access: yesJournal of Applied Probability, 2023
AbstractWe consider a spatial model of cancer in which cells are points on the d-dimensional torus $\mathcal{T}=[0,L]^d$ , and each cell with $k-1$ mutations acquires a kth mutation at rate $\mu_k$ . We assume that the mutation rates $\mu_k$ are increasing, and we find the asymptotic waiting time for the first cell to acquire k mutations as the ...
Brian Chao, Jason Schweinsberg
openaire   +7 more sources

Semantically Driven Mutation in Genetic Programming [PDF]

open access: yes, 2008
Using semantic analysis, we present a technique known as semantically driven mutation which can explicitly detect and apply behavioural changes caused by the syntactic changes in programs that result from the mutation operation. Using semantically driven
Beadle, Lawrence   +3 more
core   +1 more source

Mutational landscape of yeast mutator strains [PDF]

open access: yesProceedings of the National Academy of Sciences, 2014
Significance Deficiencies in genome maintenance genes (so-called mutator genes) result in increased mutagenesis that impacts cell evolvability. How the mutational processes drive the evolution of genome structure is not well understood.
Serero, Alexandre   +4 more
openaire   +3 more sources

Evolution strategies with q-Gaussian mutation for dynamic optimization problems [PDF]

open access: yes, 2010
This article is posted here with permmission from IEEE - Copyright @ 2010 IEEEEvolution strategies with q-Gaussian mutation, which allows the self-adaptation of the mutation distribution shape, is proposed for dynamic optimization problems in this paper.
Yang, S   +5 more
core   +1 more source

Colorectal cancer prognosis: is it all mutation, mutation, mutation? [PDF]

open access: yesGut, 2005
For the 500 000 new cases of colorectal cancer in the world each year, identification of patients with a worse prognosis and those who are more likely to respond to treatment is a challenge. There is an increasing body of evidence correlating genetic mutations with outcome in tumours derived from human colorectal cancer cohorts.
Hassan, AB, Paraskeva, C
openaire   +2 more sources

Author Correction: ID3 regulates the MDC1-mediated DNA damage response in order to maintain genome stability

open access: yesNature Communications, 2018
This Article contains errors in Fig. 3, Fig. 4 and Fig. 7, for which we apologize. In Fig. 3, panel ‘b’, the 0.5 hour time point after Ku55933 treatment images were inadvertently replaced with duplicates of the 3 hour time point after Ku55933 treatment ...
Jung-Hee Lee   +11 more
doaj   +1 more source

Adaptive mutation with fitness and allele distribution correlation for genetic algorithms [PDF]

open access: yes, 2006
Copyright @ 2006 ACMIn this paper, a new gene based adaptive mutation scheme is proposed for genetic algorithms (GAs), where the information on gene based fitness statistics and on gene based allele distribution statistics are correlated to explicitly ...
Yang, S   +3 more
core   +1 more source

Self-adaptation of mutation distribution in evolution strategies for dynamic optimization problems [PDF]

open access: yes, 2011
Copyright @ IOS Press. All Rights Reserved.Evolution strategies with q-Gaussian mutation, which allows the self-adaptation of the mutation distribution shape, is proposed for dynamic optimization problems in this paper.
Yang, S, Yang, Shengxiang, Tinós, R
core   +1 more source

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