Method for screening for inhibitors and activators of type III s

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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4352523, 43525233, 43525234, C12Q 168

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061365424

ABSTRACT:
This invention relates to mutant strains of gram-negative bacteria that constitutively secrete proteins via the type III secretion machinery. It also relates to methods of identifying molecules that are able to activate or inhibit secretion in wild-type strains of gram-negative bacteria by exposing gram-negative bacterial cells to a sample molecule, wherein said bacterial cells contain a reporter gene transcriptionally fused to a promoter of a gene activated or regulated by the type III secretion machinery, and detecting the presence or activity of the product of the reporter gene.

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