Table 1.

Reducing the activity of hlh-2 and hlh-3 causes the NSM sister cells to survive

A



% NSM sister cell survival (n) at:
Genotype15°C20°C25°C
+/+ 0 (416) 0 (414) 0 (408) 
hlh-2(bx108) 1 (350) 4 (400) 5 (410) 
hlh-6(RNAi) 0 (116)   
hlh-2(RNAi) 15 (130)   
A



% NSM sister cell survival (n) at:
Genotype15°C20°C25°C
+/+ 0 (416) 0 (414) 0 (408) 
hlh-2(bx108) 1 (350) 4 (400) 5 (410) 
hlh-6(RNAi) 0 (116)   
hlh-2(RNAi) 15 (130)   
B

Genotype% NSM sister cell survival (n) at 25°C
hlh-6(RNAi) 0±0 (136) 
hlh-2(bx108) 5 (410) 
hlh-2(bx108);hlh-6(RNAi) 4±1 (176) 
hlh-3(RNAi) 7±3 (178) 
hlh-2(bx108);hlh-3(RNAi) 30±11 (140) 
B

Genotype% NSM sister cell survival (n) at 25°C
hlh-6(RNAi) 0±0 (136) 
hlh-2(bx108) 5 (410) 
hlh-2(bx108);hlh-6(RNAi) 4±1 (176) 
hlh-3(RNAi) 7±3 (178) 
hlh-2(bx108);hlh-3(RNAi) 30±11 (140) 

(A) Reducing the activity of hlh-2 causes NSM sister cell survival. The presence of NSM sister cells was scored as described in the Materials and Methods using the Ptph-1gfp reporter. dsRNA for RNAi was delivered by feeding. The complete genotype of the animals scored was as follows: bcls25, hlh-2(bx108); bcls25, hlh-6(RNAi); bcls25, hlh-2(RNAi); bcls25.

(B) Reducing the activity of hlh-3 causes NSM sister cell survival and enhances hlh-2(bx108). The presence of NSM sister cells was scored as described in the Materials and Methods using the Ptph-1gfp reporter. dsRNA for RNAi was delivered by injections. The complete genotype of the animals scored were as follows: hlh-6(RNAi); bcls25, hlh-2(bx108); bcls25, hlh-2(bx108); hlh-6(RNAi); bcls25, hlh-3(RNAi); bcls25, hlh-2(bx108); hlh-3(RNAi); bcls25. Values are average percent survival obtained for the progeny of different injected animals±s.d.

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