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Assessing the benefits and risks of translocations in changing environments: a genetic perspective
A classification of translocations based on specific genetic goals for both threatened species and ecological restoration is provided, separating targets based on ‘genetic rescue’ of current population fitness from those focused on maintaining adaptive potential.
Numerous transposed sequences of mitochondrial cytochrome oxidase I-II in aphids of the genus Sitobion (Hemiptera: Aphididae).
It is concluded that a proportion of the inferred change in the nonmitochondrial sequences occurred before transposition, and that Sitobion aphids (and other species exhibiting mtDNA transposition) may be important for studying the molecular evolution of mtDNA and pseudogenes.
Genetic structure of an aphid studied using microsatellites: cyclic parthenogenesis, differentiated lineages and host specialization
- P. Sunnucks, P. D. De Barro, G. Lushai, N. Maclean, D. Hales
- Biology, MedicineMolecular ecology
- 1 November 1997
Single‐locus microsatellites and a mitochondrial DNA marker are applied to a subset of the same DNA extracts, and several additional inferences are made about important genetic and population processes in S. avenae are made.
SSCP is not so difficult: the application and utility of single‐stranded conformation polymorphism in evolutionary biology and molecular ecology
- P. Sunnucks, A. Wilson, L. Beheregaray, K. Zenger, J. French, A. C. Taylor
- Medicine, BiologyMolecular ecology
- 1 November 2000
SSCP (single‐stranded conformation polymorphism) offers a sensitive but inexpensive, rapid, and convenient method for determining which DNA samples in a set differ in sequence, so that only an informative subset need be sequenced.
Decline of a biome: Evolution, contraction, fragmentation, extinction and invasion of the Australian mesic zone biota
A review confirms long-held views of the ancestral position of the Australian mesic biome but also reveals new insights into the complexity of the processes of contraction, fragmentation, extinction and invasion during the evolution of this biome.
Nuclear gene phylogeography using PHASE: dealing with unresolved genotypes, lost alleles, and systematic bias in parameter estimation
It is found that PHASE usually had very low false-positives and the majority of genotypes that could not be resolved with high confidence included an allele occurring only once in a dataset, and genotypes involving two low-frequency alleles were disproportionately represented in the pool of unresolved genotypes.
The impact of habitat fragmentation on dispersal of Cunningham’s skink (Egernia cunninghami): evidence from allelic and genotypic analyses of microsatellites
Analysis of dispersal patterns of a rock crevice‐dwelling lizard, Cunningham’s skink, in a naturally vegetated reserve and an adjacent deforested site indicates that habitat fragmentation has the potential to alter at least the microevolution of E. cunninghami populations.
Migration and genetic structure of the grain aphid (Sitobion avenae) in Britain related to climate and clonal fluctuation as revealed using microsatellites
- K. S. Llewellyn, H. Loxdale, R. Harrington, C. Brookes, S. Clark, P. Sunnucks
- Biology, MedicineMolecular ecology
- 19 December 2002
The view that the aphid is highly migratory is supported and also support a theoretical model and previous data suggesting that the reproductive mode is clinal in S. avenae, because natural selection is sufficiently powerful to overcome the homogenizing effects of strong migration.
Ecology and evolution of sex in aphids.
Understanding of the genetic and evolutionary consequences of reproductive modes in aphids and their distributions in nature has greatly advanced, and they have provided tools that promise to make aphids important organisms with which to examine general advantages of sex.
Environmentally related patterns of reproductive modes in the aphid Myzus persicae and the predominance of two ‘superclones’ in Victoria, Australia
Interestingly, obligate parthenogens were, on average, more heterozygous and exhibited larger allele size differences between the two alleles at individual loci than cyclical parthenogenesis, which may reflect the previously proposed model of biased mutational divergence of microsatellite alleles within asexual aphid lineages.