Fig. 6. Prospore membrane proteins accumulate at the SPB in sec1 and spo20 sec9 but not mpc54 mutants. sec1ts/sec1ts (AN127), sec9ts/sec9ts, spo20
/spo20
(AN211) mpc54
/mpc54
(NY541) cells expressing GFP-Spo20p51-91 (from pRS426-G20 or pRS424-G20) were sporulated and examined by fluorescence microscopy. DNA was visualized using DAPI. Bars, 1
m.