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Early Intracellular Trafficking And Subsequent Activity Of Programmed Cell Death In Channel Catfish Macrophages Infected With Edwardsiella Ictaluri, Lidiya P. Dubytska, Ronald L. Thune
Early Intracellular Trafficking And Subsequent Activity Of Programmed Cell Death In Channel Catfish Macrophages Infected With Edwardsiella Ictaluri, Lidiya P. Dubytska, Ronald L. Thune
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© 2020 by the authors. Licensee MDPI, Basel, Switzerland. The development of Edwardsiella-containing-vacuoles (ECV) and the ability of Edwardsiella ictaluri to survive and replicate within macrophages suggests a unique process relative to normal phagosomal/lysosomal maturation and programed cell death. Developing ECV showed that endosomal membrane markers Rab5, EEA1, and Rab7 were all detected in both the wild type (WT) and an E. ictaluri type-3 secretion system (T3SS) mutant, 65ST. Co-localization with Lamp1, however, was significantly lower in the WT. The host cell endoplasmic reticulum marker, calnexin, co-localized to 65ST ECV significantly more than WT ECV, while Golgi vesicle marker, giantin, …