Please use this identifier to cite or link to this item: https://doi.org/10.1111/j.1462-5822.2012.01795.x
Title: A role of autophagy in Trypanosoma brucei cell death
Authors: Li, F.-J. 
Shen, Q.
Wang, C.
Sun, Y.
Yuan, A.Y. 
He, C.Y. 
Issue Date: Aug-2012
Citation: Li, F.-J., Shen, Q., Wang, C., Sun, Y., Yuan, A.Y., He, C.Y. (2012-08). A role of autophagy in Trypanosoma brucei cell death. Cellular Microbiology 14 (8) : 1242-1256. ScholarBank@NUS Repository. https://doi.org/10.1111/j.1462-5822.2012.01795.x
Abstract: The early branching eukaryote Trypanosoma brucei contains functional autophagy machinery that allows regulated degradation of its own cellular components. In this study, we examined the function of two Atg8 genes, TbAtg8.1 and TbAtg8.2, in starvation-induced autophagosome formation and cell death in procyclic T.brucei. Upon starvation, both TbAtg8.1 and TbAtg8.2 localize to punctate structures characteristic of autophagosomes as shown by fluorescence and electron microscopy, and wortmannin and chloroquine treatments. While TbAtg8.1 depletion has no detectable effects on TbAtg8.2 recruitment to autophagosomes, TbAtg8.2 depletion greatly reduced the autophagosome relocation of TbAtg8.1. Depletion of TbAtg8.1 and 8.2, individually or together, promote cell survival under starvation conditions. Taken together, these observations confirm the presence of an autophagy-related cell death pathway in T.brucei, where TbAtg8.1 and TbAtg8.2 play essential but distinct roles in autophagosome formation and cell death. © 2012 Blackwell Publishing Ltd.
Source Title: Cellular Microbiology
URI: http://scholarbank.nus.edu.sg/handle/10635/99960
ISSN: 14625814
DOI: 10.1111/j.1462-5822.2012.01795.x
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