Population structure of Macrobrachium australiense (Decapoda: Palaemonidae) in Western Queensland, Australia: The role of contemporary and history processes

Article Abstract:

Mitochondrial sequences are used to investigate the genetic structure and inferred patterns of dispersal associated with the flow regime for the freshwater prawn, Macrobrachium australiense (Decapoda: Palaemonidae), sampling 28 localities throughout eight catchments. Analysis of population differentiation indicates contemporary high levels of genetic subdivision and restricted gene flow among populations within and among catchments.

Commercial Fishing, Fishing, Fresh Water Fish, Genetic aspects, Shrimping, Fishes, Fresh-water, Freshwater fishes

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Patterns of population structure in maize landraces from the Central Valleys of Oaxaca in Mexico

Article Abstract:

The impact of traditional farmer management of maize population in Central Valleys of Oaxaca, Mexico in structuring molecular diversity and on the population dynamics of maize landraces is reported. Significant homozygote excess was found even though, one would expect outbreeding maize plant populations to fit Hardy-Weinberg equilibrium.

Mexico, Reports, Plant molecular genetics, Plant breeding

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Population structure and strong divergent selection shape phenotypic diversification in maize landraces

Article Abstract:

The impact of farmer's selection on phenotypic differentiation and diversification in the Central Valley of Oaxaca is described. It is suggested that although quantitative traits appear to be under strong divergent selection, a considerable amount of gene flow occurs among populations.

Forecasts, trends, outlooks, Evaluation, Forecasts and trends, Market trend/market analysis, Phenotype, Phenotypes, Quantitative genetics

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