EAEC Under StressLoss of Biofilm Formation
Enteroaggregative Escherichia coli is an emerging foodborne pathogen as a significant diarrheal pathogen in multiple population groups. However, the associated phenotypic changes by which EAEC bacteria survive acid conditions, is not completely understood.
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Figure 2 (E-F): Phenotypic characterization of EAEC (T8) under acid stress. (E) HEp-2 adherence assay performed at different pH on the adherence of EAEC (T8) infected HEp-2 cells (in vitro). The adherence patterns were photographed at 100-X magnification with digital camera in a light microscope. (F) The morphological changes associated with acid stress were analyzed by electron microscope. Data are a representative experiment performed 3 times with similar results with mean ± S.D. Loss of characteristic rod-shape of EAEC (T8) .