Entries from 2010-07-01 to 1 month

community genetics

Wade MJ 2007 The co-evolutionary genetics of ecological communities. Nat Rev Genet 8:185-195. I show how the co-inheritance of trans-specific gene combinations can be estimated using a parameter that was devised to measure epistasis betwee…

coevolutionary genetics

Nuismer SL, Gomulkiewicz R & Ridenhour BJ 2010 When is correlation coevolution? Am Nat 175:525-537. coevolution is neither a necessary nor a sufficient condition for the evolution of spatially correlated traits between two species coevolut…

stochastic community dynamics

Gandon S & Nuismer SL 2009 Interactions between genetic drift, gene flow, and selection mosaics drive parasite local adaptation. Am Nat 173:212-224. after selection, gene flow between habitats occurred with the probability of moving betwee…

stochastic community dynamics

Gavrilets S & Michalakis Y 2008 Effects of environmental heterogeneity on victim–exploiter coevolution. Evolution 62:3100-3116. such heterogeneity in fitness may help to maintain polymorphism and population differentiation as has been obse…

stochastic community dynamics

Gandon S 2002 Local adaptation and the geometry of host–parasite coevolution. Ecol Lett 5:246-256. genetic drift may decouple the dynamics of the different populations and counteract the effect of migration genetic drift is classically vie…

allopolyploidy

Cifuentesa M, Eberb F, Lucasb M-O, Lodeb M, Chèvreb A-M & Jenczewskia E 2010 Repeated polyploidy drove different levels of crossover suppression between homoeologous chromosomes in Brassica napus allohaploids. Plant Cell 22:2265-2276. poly…

allopolyploidy

Koh J, Soltis PS & Soltis DE 2010 Homeolog loss and expression changes in natural populations of the recently and repeatedly formed allotetraploid Tragopogon mirus (Asteraceae). BMC Genomics 11:97. many polyploid species have formed repeat…

allopolyploidy

Meimberg H, Rice KJ, Milan NF, Njoku CC & McKay JK 2009 Multiple origins promote the ecological amplitude of allopolyploid Aegilops (Poaceae). Am J Bot 96:1262-1273. polyploid species can exhibit higher ecological tolerance than their prog…

allopolyploidy & epistasis

Wang J, Tian L, Lee HS, Wei NE, Jiang H, Watson B, Madlung A, Osborn TC, Doerge RW, Comai L & Chen ZJ 2006 Genomewide nonadditive gene regulation in Arabidopsis allotetraploids. Genetics 172:507-517.

compensatory evolution

Meer MV, Kondrashov AS, Artzy-Randrup Y & Kondrashov FA 2010 Compensatory evolution in mitochondrial tRNAs navigates valleys of low fitness. Nature 464:279-282. fitness landscapes traversed by switches between different AU and GC Watson–Cr…

neutrality

Nei M, Suzuki Y & Nozawa M 2010 The neutral theory of molecular evolution in the genomic era. Annu Rev Genom Hum Genet 11:265-289. at present, genome-wide analyses of natural selection consist of collections of single-locus analyses phenot…

neutrality

Nei M 2007 The new mutation theory of phenotypic evolution. PNAS 104:12235-12242. I want to emphasize that any mutation would never be strictly neutral because its function depends on other genes and environmental conditions in this sense,…

near neutrality & compensatory evolution

Nei M 2005 Selectionism and neutralism in molecular evolution. Mol Biol Evol 22:2318-2342. Charles Darwin proposed that evolution occurs primarily by natural selection this view has been controversial from the beginning this controversy is…

near neutrality & compensatory evolution

Itoh T, Martin W & Nei M 2002 Acceleration of genomic evolution caused by enhanced mutation rate in endocellular symbionts. PNAS 99:12944-12948. we are not considering the strict neutrality of alleles which would never exist in nature we a…

near neutrality

Nei M & Kumar S 2000 Molecular evolution and phylogenetics. Oxford UP. ISBN:9780195135855 the problem is the fate of slightly deleterious mutations the continuous accumulation of slightly deleterious mutations in a protein will eventually …

neutrality

Takahata N 2007 Molecular clock: an anti-neo-Darwinian legacy. Genetics 176:1-6. the high evolutionary rate estimated from hemoglobin and other proteins was a key to development of the neutral theory by Motoo Kimura rather than, as sometim…

neutrality versus near neutrality

Takahata N 1996 Neutral theory of molecular evolution. Curr Opin Genet Dev 6:767-772. Kimura was once sympathetic to the 'slightly deleterious' hypothesis of Ohta when criticisms against the neutral theory were most intense he himself prop…

near neutrality & compensatory evolution

Ohta T 2002 Near-neutrality in evolution of genes and gene regulation. PNAS 99:16134-16137. the nearly neutral mutations are defined such that their fate in the population depends on both selection and drift (12) stabilizing selection on e…

near neutrality

Ohta T & Gillespie JH 1996 Development of neutral and nearly neutral theories. Theor Popul Biol 49:128-142. emphasis is placed on the nearly neutral theory as this version of the neutral theory has explained the widest range of phenomena h…

near neutrality & compensatory evolution

Gillespie JH 1995 On Ohta's hypothesis: most amino acid substitutions are deleterious. J Mol Evol 40:64-69. Ohta's hypothesis that most amino acid substitutions are deleterious grew out of a class of population-genetics models called shift…

near neutrality & compensatory evolution

Ohta T 1995 Synonymous and nonsynonymous substitutions in mammalian genes and the nearly neutral theory. J Mol Evol 40:56-63. the slightly deleterious mutation theory predicted a negative correlation between amino acid substitutions and th…

near neutrality & compensatory evolution

Ohta T 1992 The nearly neutral theory of molecular evolution. Annu Rev Ecol Syst 23:263-286. in view of the importance of negative selection caused by constraints, it is likely that many nearly neutral mutants are very slightly deleterious…

near neutrality

Tachida H 1991 A study on a nearly neutral mutation model in finite populations. Genetics 128:183-192. as a nearly neutral mutation model, the house-of-cards model is studied in finite populations if 4Nσ is large compared to one, a few adv…

near neutrality

Ohta T & Tachida H 1990 Theoretical study of near neutrality. I. Heterozygosity and rate of mutant substitution. Genetics 126:219-229. the definition of near neutrality is that the product of effective population size (N) and selection coe…

near neutrality & compensatory evolution

Ohta T 1974 Mutational pressure as the main cause of molecular evolution and polymorphism. Nature 252:351-354. it becomes increasingly necessary to re-examine evolutionary theories in particular the orthodox neo-Darwinian view that the rat…

near neutrality & compensatory evolution

Ohta T 1973 Slightly deleterious mutant substitutions in evolution. Nature 252:351-354. the concept of neutral mutant substitution in the population by random genetic drift can be extended to include random fixation of very slightly delete…

near neutrality

Ohta T 1972 Population size and rate of evolution. J Mol Evol 1:305-314. there is much substitution of nearly neutral mutations, for which the selection intensity varies from time to time or from region to region the hypothesis presented h…

near neutrality

Ohta T 1972 Evolutionary rate of cistrons and DNA divergence. J Mol Evol 1:150-157. the majority of the amino acid substitutions in evolution are the result of random fixation of nearly neutral mutations for which selection intensity fluct…

near neutrality

Ohta T & Kimura M 1971 On the constancy of the evolutionary rate of cistrons. J Mol Evol 1:18-25. remarkable constancy of the rate of amino acid substitution in each protein over a vast period of geologic time constitutes so far the strong…