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Fig. 1. sma-9 mutants display Sma and Mab phenotypes similar to those of
DBL-1 pathway mutants. (A,B) Male tail phenotype. Wild-type male tail (A) has
nine bilateral pairs of sensory rays; sma-9(wk55) mutant (B) displays
a ray 8-9 fusion. (C-F) Body size phenotype. sma-9(lf)
mutant (D) is Sma compared with N2 (C). Cosmid T05A10 rescued
sma-9(wk55) body size (E). (F) dsRNAi of sma-9 3'
exons in him-5. (G-J) Genetic interactions. lon-1;sma-9
double mutant (G) is neither Lon nor Sma. dbl-1 overexpression in
wild-type background is Lon (J). However, the animal displays a Sma phenotype
in sma-9(wk55) background (H). (I) lon-1 single mutant. All
animals in C-J are young adults photographed at the same magnification, with
anterior oriented to the left.
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