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Escherichia Coli
Research reports on Escherichia coli from University of Queensland provide new insights
March 18th, 2008
According to recent research from Brisbane, Australia, "Autotransporter (AT) proteins have been identified in many Gram-negative pathogens and are unique in that their primary sequence is sufficient to direct their transport across the bacterial membrane system. Where characterized they are uniformly associated with virulence." "Using conserved AT motifs as a search tool, four putative AT proteins were identified in the Enterohemorrhagic Escherichia coli O157:H7 EDL933 genome. The genes encoding these proteins (z0402/ehaA, z0469/ehaB, z3487/ehaC and z3948/ehaD) were PCR amplified, cloned and expressed in an E. coli K-12 MG1655flu background. Preliminary characterization...
Source: TB & Outbreaks Week (2008-03-18)
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