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. 1999 Oct 18;147(2):435–446. doi: 10.1083/jcb.147.2.435

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© 1999 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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Immuno-EM of autophagosomes. A and B, Mature autophagosome. C and D, Premature autophagosome. Arrows show expanded regions of the intramembrane space of the premature autophagosomes. TK116 cells were incubated in SD(−N) medium for one hour (D), two hours (B and C), or three hours (A). The localization of 3 × HA–Apg8p was detected with anti-HA antibody, followed by the incubation with 5-nm gold- (A and D) or 10-nm gold- (B and C) conjugated goat anti–mouse IgG. AP, autophagosome; N, nucleus; V, vacuole.