Toxolysin 4 Contributes to Efficient Parasite Egress from Host Cells.

Egress from host cells is an essential step in the lytic cycle of T. gondii and other apicomplexan parasites; however, only a few parasite secretory proteins are known to affect this process. The putative metalloproteinase toxolysin 4 (TLN4) was previously shown to be an extensively processed microneme protein, but further characterization was impeded by the inability to genetically ablate .

Methylation-dependent DNA discrimination in natural transformation of .

, a leading cause of bacterial gastroenteritis, is naturally competent. Like many competent organisms, restricts the DNA that can be used for transformation to minimize undesirable changes in the chromosome. Although can be transformed by -derived DNA, it is poorly transformed by the same DNA propagated in or produced with PCR.

Complete Annotated Genome Sequences of Three Campylobacter jejuni Strains Isolated from Naturally Colonized Farm-Raised Chickens.

Campylobacter jejuni is a leading cause of bacterially derived foodborne illness. Human illness is commonly associated with the handling and consumption of contaminated poultry products. Three C.

Characterization and localization of the Campylobacter jejuni transformation system proteins CtsE, CtsP, and CtsX.

The human pathogen Campylobacter jejuni is naturally competent for transformation with its own DNA. Genes required for efficient transformation in C. jejuni include those similar to components of type II secretion systems found in many Gram-negative bacteria (R.