Fig 9.
(A and B) Competition between ZK819-66T (Bgl+) (□) and ZK819Tn10 (Bgl−) (■). One-day-old cultures of the two strains were mixed in ratios of 1:1,000 (A) and 1,000:1 (B) in spent medium derived from a 3-week-old parent culture (n = 2).
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