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. 2009 Nov 20;192(3):643–656. doi: 10.1128/JB.00700-09

FIG. 3.

FIG. 3.

Structure of neutral lipid inclusions in A. borkumensis SK2 and A. jadensis T9. Cells of A. borkumensis SK2 were cultivated in ONR7a medium containing 0.5% (vol/vol) hexadecane. Cells of A. jadensis T9 were cultivated in MWM medium containing 0.3% (vol/vol) hexadecane. Ultrathin sections of cells were analyzed by TEM as reported previously (44). Samples were taken after 12 h (early exponential growth phase), 48 h (late exponential growth phase), and 96 h (stationary growth phase) for A. borkumensis SK2 and after 32 h (exponential growth phase) and 60 h and 72 h (stationary growth phase) for A. jadensis T9. The scale bars correspond to 200 nm. Cells of A. borkumensis SK2 after 12 h (A), 48 h (B), or 96 h (C) and A. jadensis T9 after 32 h (D), 60 h (E), and 72 h (F) of growth are shown. Cells of A. jadensis T9 after 60 h without lipid inclusions were observed (G).