Entries from 2009-05-01 to 1 month

mutation accumulation

Loewe L & Cutter AD 2008 On the potential for extinction by Muller's ratchet in Caenorhabditis elegans. BMC Evol Biol 8:125. the rate of fitness decline expected to occur via Muller's ratchet for a purely selfing population with the dynami…

miRNA & mutational robustness

Borenstein E & Ruppin E 2006 Direct evolution of genetic robustness in microRNA. PNAS 103:6593-6598. the structure of miRNA precursor stem loops exhibits significantly increased mutational robustness in comparison with a sample of random R…

miRNA & mutational robustness

Szollosi GJ & Derenyi I 2009 Congruent evolution of genetic and environmental robustness in micro-RNA. Mol Biol Evol 26:867-874. theoretical results indicate that the direct evolution of robustness requires high mutation rates and/or large…

evo-devo

Sommer RJ 2009 The future of evo-devo: model systems and evolutionary theory. Nat Rev Genet 10:416-422. evo-devo has to concentrate on a few well-selected model organisms to allow the development of a sophisticated analytical tool kit for …

epistasis

Brandvain Y & Wade MJ 2009 The functional transfer of genes from the mitochondria to the nucleus: the effects of selection, mutation, population size and rate of self-fertilization. Genetics, in press. doi:10.1534/genetics.108.100024

evolvability

McGuigan K & Sgro CM 2009 Evolutionary consequences of cryptic genetic variation. TREE 24:305-311. little empirical evidence that stressful or novel environments release cryptic genetic variation, or that, once released, it contributes to …

neutral versus nearly neutral theories

Hughes AL 2008 Near neutrality: leading edge of the neutral theory of molecular evolution. Ann NY Acad Sci 1133:162-179. slightly deleterious mutations in coding regions will usually be nonsynonymous the ratio of nonsynonymous to synonymou…

mutational robustness

Frank SA 2007 Maladaptation and the paradox of robustness in evolution. PLoS ONE 2:e1021. at a short time scale robustness can increase fitness but leads to a reduction of "performance" at longer time scales (Gros & Tenaillon 2009b)

mutational robustness

Gros P-A & Tenaillon O 2009 Selection for chaperone-like mediated genetic robustness at low mutation rate: impact of drift, epistasis and complexity. Genetics, in press. ISSUE HIGHLIGHTS most organisms are unaffected by most mutations curr…

simulation method

Kim Y & Wiehe T 2009 Simulation of DNA sequence evolution under models of recent directional selection. Briefings Bioinf 10:84-96.

epistasis

Wagner A 2008 Neutralism and selectionism: a network-based reconciliation. Nat Rev Genet 9:965-074.

de-canalization

Gibson G 2009 Decanalization and the origin of complex disease. Nat Rev Genet 10:134-140. uncovering of cryptic genetic variation that is a major source of disease susceptibility

cis versus trans effects

Hughes KA, Ayroles JF, Reedy MM. Drnevich JM, Rowe KC, Ruedi EA, Caceres CE & Paige KN 2006 Segregating variation in the transcriptome: cis regulation and additivity of effects. Genetics 173:1347-1355. cis and trans effects on gene express…

cis versus trans effects

Genissel A, McIntyre LM, Wayne ML & Nuzhdin SV 2008 Cis and trans regulatory effects contribute to natural variation in transcriptome of Drosophila melanogaster. Mol Biol Evol 25:101-110. numerous cis effects (90%) but much fewer trans eff…

preadaptation

Bock WJ 1959 Preadaptation and multiple evolutionary pathways. Evolution 13:194-211. Genetic draft!? Simpson (1953, pp. 194-198)

preadaptation

Hartl DL & Dykhuizen DE 1985 The neutral theory and the molecular basis of preadaptation. Pages 107-124 in Ohta T & Aoki K, eds. Population genetics and molecular evolution. Japan Sci Soc Press. ISBN:3540155848

natural selecton

Stearns SC & Hoekstra RF 2000 Evolution: an introduction. Oxford UP. ISBN:0198549687 the loose application of 'natural selection' to the entire process, including the response enabled by heritable variation, is confusing we therefore use '…

population genetics

Hamilton MB 2009 Population genetics. Wiley. ISBN:9781405132770

fisherian geometry

Tenaillon O, Silander OK, Uzan J-P & Chao L 2007 Quantifying organismal complexity using a population genetic approach. PLoS ONE 2:e217. phenotypic complexity is proportional to the drift load

fisherian geometry

Barton NH 2001 The role of hybridization in evolution. Mol Ecol 10:551-568. Orr's analysis assumes that substitutions occur rapidly, so that the population is usually fixed this requires that 2sPNU s is the typical selective advantage of a…

medaka

Wittbrodt J, Shima A & Schartl M 2002 Medaka — a model organism from the Far East. Nat Rev Genet 3:53-64. nothing is known about sex determination in zebrafish none of the many markers of the zebrafish genetic map have been found to be sex…

mutation pathway

Blount ZD, Borland CZ & Lenski RE 2008 Historical contingency and the evolution of a key innovation in an experimental population of Escherichia coli. PNAS 105:7899-7906. the phenotypic change required two mutations, one of which occurred …