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Review Article

Maternal-neonatal listeriosis

, ORCID Icon & ORCID Icon
Pages 391-397 | Received 08 May 2019, Accepted 29 Mar 2020, Published online: 03 May 2020

Figures & data

Figure 1. InlA and InlB dependent breaching of the placental barrier by Listeria monocytogenes.

(a) The placental barrier between the maternal blood and the fetus lies in an epithelium, the syncytiotrophoblast, which results from the fusion of underlying cytotrophoblast cells. Syncytiotrophoblast expresses E-cadherin, which is accessible for bacteria in the maternal blood. (b) Listeria monocytogenes adheres to syncytiotrophoblast via InlA interaction with Ecad. InlB is required for L. monocytogenes entry by activating PI3-K via c-Met in the syncytiotrophoblast, leading to the actin cytoskeleton rearrangements needed for bacterial internalization.
Figure 1. InlA and InlB dependent breaching of the placental barrier by Listeria monocytogenes.