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Xds is required to digest DNA in mucin. Digestion of mucin at 24 hours. Strains are as follows: (A) ES114, dns (Δdns::FRT), xds (xds::miniTn5), dns+ (Δdns::FRT PnrdR dns), xds+ (xds + pVSV105 xds cmr). (B) ES114, xdsΔdns (xds::miniTn5Δdns::FRT), Δxds Δdns (KV8865).
