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Mini-Review - Commissioned

Subversion of RAB5-regulated autophagy by the intracellular pathogen Ehrlichia chaffeensis

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Pages 343-349 | Received 25 Apr 2017, Accepted 16 May 2017, Published online: 05 Jul 2017

Figures & data

Figure 1. Proposed model for Etf-1-mediated autophagy fueling E. chaffeensis growth. Secreted Etf-1 interacts with RAB5, VPS34, and Beclin 1 to induce complex formation and localize to the ATG5-positive “precursor of preautophagosomes.” If not fused with E. chaffeensis inclusions, Etf-1 autophagosomes mature to autolysosomes to generate cytosolic nutrients (∘∘) (right side). When nascent Etf-1 preautophagosomes fuse with E. chaffeensis inclusions, they deliver captured cytosolic nutrients to the inclusions where lysosomal fusion is blocked (left side).

Figure 1. Proposed model for Etf-1-mediated autophagy fueling E. chaffeensis growth. Secreted Etf-1 interacts with RAB5, VPS34, and Beclin 1 to induce complex formation and localize to the ATG5-positive “precursor of preautophagosomes.” If not fused with E. chaffeensis inclusions, Etf-1 autophagosomes mature to autolysosomes to generate cytosolic nutrients (∘∘) (right side). When nascent Etf-1 preautophagosomes fuse with E. chaffeensis inclusions, they deliver captured cytosolic nutrients to the inclusions where lysosomal fusion is blocked (left side).