Fig. 4. Electron micrographs of sso1 sso2-1 (H902) and congenic wild-type (NY179) cells at different temperatures. The cells were first grown in YPD at 24°C until an A₆₀₀ of 1.0. An aliquot of each culture was then incubated at 37°C for 3 hours. (a) sso1 sso2-1 cells at 37°C; (b) wild-type cells at 24°C; (c) wild-type cells at 37°C. The arrow in panel a points to the incomplete septum that can frequently be found in sso1 sso2-1 cells at the restrictive temperature. Bars, 1 µm (a,b); 500 nm (c).

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