Comparison of diversities of Escherichia coli O157 shed from a cohort of spring-born beef calves at pasture and in housing

Article Abstract:

The differences between the prevalence of shedding, the genetic and phenotypic diversity and antibiotic susceptibility among Escherichia coli O157 isolates shed by a cohort of spring-born calves in pasture and while housed are examined. The results demonstrate a difference in the pulsed-field gel electrophoresis and phage types of isolates shed by cattle at pasture when compared with those shed by the same cattle when weaned and housed.

Genetic aspects, Pastures

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Proteomic profiling of recombinant Escherichia coli in high-cell-density fermentations for improved production of an antibody fragment biopharmaceutical

Article Abstract:

An analysis of a proteomic is conducted over time with high-cell-density, industrial, phosphate-limited Escherichia coli fermentations at the 10-litre scale using two-dimensional polyacrylamide gel electrophoresis. E.coli protein changes associated with culture conditions were distinguished from protein changes associated with heterologous protein expression.

Proteomics, Polyacrylamide

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