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. 2013 Oct;195(2):513–525. doi: 10.1534/genetics.113.155341

Figure 1.

Figure 1

Flocculation and invasive growth vary across European S. paradoxus. (A) Photograph of cultures of European S. paradoxus strains after overnight growth in rich liquid yeast peptone dextrose (YPD) medium containing 2% glucose. The eight flocculent strains and the nonflocculent strain Z1 are labeled with identifiers as in Liti et al. (2009). (B) Photographs at bottom are of invasive growth assays: a colony of each strain was grown on YPD solid medium for 5 days and then photographed before (“pre-wash”) and after (“post-wash”) removal of nonadherent cells by a water wash. At top, each bar height reports the ratio of cell density in colonies after and before a water wash as a mean of two replicate colonies; error bars represent one standard deviation. (C) Maximum-likelihood genome tree of European S. paradoxus. Branch lengths are proportional to the number of segregating sites that differentiate each pair of strains. In B and C, identifiers of flocculent strains are in purple.