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We report the population structure and dynamics of one Escherichia coli population of wild mallard ducks in their natural environment over four winter seasons, following the characterization of 100 isolates each consecutive season.
Macro‐restriction analysis was used to define isolates variously as multi‐ or 1‐year pulsed‐field gel electrophoresis (PFGE) types. Isolates were characterized genotypically...
Long terminal repeat (LTR) retrotransposons are major components of plant genomes influencing genome size and evolution. Using two separate approaches, we identified the Ty1-copia retrotransposon families Cotzilla and SALIRE in the Beta vulgaris (sugar beet) genome. While SALIRE elements are similar to typical Ty1-copia retrotransposons, Cotzilla elements belong to a lineage called Sireviruses. Hallmarks...
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