TABLE 3

Tests for rectal colonization by vital dye staining for bacteria

StrainRectal stainingOther stainingComment
N2+++0
srf-2(yj262)00
srf-3(yj10)+++Some general surface staining
srf-5(ct115)0+Some alae staining
sur-2(e2706)+++0
egl-5(e2725)+++0
bus-1(e2678)00
bus-2(e2687)+0
bus-3(e2606)++
bus-4(e2693)00
bus-5(e2701)+0Rare rectal staining
bus-6(e2728)00Occasional weak staining
bus-8(e2698)+0
bus-10(e2702)00
bus-12(e2740)+++Abnormal male staining
bus-13(e2716)++Variable staining
bus-14(e2779)++++
bus-15(e2709)++0
bus-16(e2802)0+Patches on cuticle
bus-17(e2800)00
bus-18(e2795)0+Pre- and post-anal patches
  • 0, no bacterial staining; +, detectable staining; ++, some staining; +++, strong staining.