rab-7 is required for the YP170::GFP distribution in tbc-2(−) oocytes. DIC (A, C, and E) and epifluorescence (B, D, and F) images of oocytes of tbc-2(tm2241) (A and B), rab-7(RNAi) (C and D) and tbc-2(tm2241) rab-7(RNAi) (E and F) animals expressing YP170::GFP. Bar, 10 μm (D).