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Clonal plant species often form genetically diverse populations, even when sexual reproduction in a population is rarely observed. Here we test whether the spatially discrete clusters of plants (tussocks of graminoids) formed within populations of some clonal species can likewise be multiclonal. We sampled leaves of ramets (shoots) within 20 tussocks of the grass Achnatherum splendens in the Otindag...
Pandemic strains of influenza A virus might arise by genetic reassortment between viruses from different hosts. Pigs are susceptible to both human and avian influenza viruses and have been proposed to be intermediate hosts or mixing vessels, for the generation of pandemic influenza viruses through reassortment or adaptation to the mammalian host. In this study, we summarize and report for the first...
Since April 2006, swine herds have experienced the outbreaks of a highly pathogenic porcine reproductive and respiratory syndrome (PRRS) in China. To explore the possible mechanism of the emergence of the highly pathogenic PRRS and more fully understand the extent of genetic diversity of PRRSV in China, we analyzed the ORF5 gene sequences of 159 representative PRRSV isolates in 16 provinces from 2006...
Synthesizing genetic data at population level and vegetation data at community level may give insight into how ecological and evolutionary processes associated with different vegetation influence genetic diversity and differentiation of plant populations. We correlated population genetic patterns of Carex sempervirens with community vegetation patterns in abandoned subalpine grassland in the Swiss...
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