Classification of adult Drosophila eye cell polarity modifiers.

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Classification of adult Drosophila eye cell polarity modifiers. Classification of adult Drosophila eye cell polarity modifiers. (A–D”) Side view, adult female eyes, posterior to the left. Classification of genetic modifiers was based on genetic interaction with GMR > crbintra and/or GMR > aPKCCA and if RNAi expression alone via GMR-GAL4 also resulted in an aberrant eye phenotype. Classes of interactors are indicated. (A–A”) Class 1: modifier genes only interacted with GMR > aPKCCA. (A) Adult eyes expressing UAS-PI3Ki (VDRC 38985) showed no interaction with GMR-GAL4 or (A’) GMR > crbintra but modified (A”) GMR > aPKCCA to generate a small, glassy eye with decreased necrotic areas. (B–B”) Class 2: modifier genes only interacted with GMR > crbintra. (B) Adult eyes expressing UAS-PhKγi (VDRC 33054) showed no interaction with GMR-GAL4 or (B”) GMR > aPKCCA but modified (B’) GMR > crbintra to generate a larger eye with slight ruffling at the posterior edge (arrowhead). (C–C”) Class 3: modifier genes interacted with both GMR > crbintra and GMR > aPKCCA. (C) Adult eyes expressing UAS-CASKi (VDRC 104793 and 34184) showed a normal phenotype with GMR – GAL4 alone but modified (C’) GMR > crbintra to generate slightly larger eyes and (C”) GMR > aPKCCA to reduce necrosis. (D–D”) Class 4: genes modified all three parental phenotypes. (D) Adult eyes expressing UAS-msni (NIG 1697R-1) interact with GMR-GAL4 to generate glassy eyes. (D’) UAS-msni also modified GMR > crbintra to produce elongated rough adult eyes and (D”) modified GMR > aPKCCA to generate small, glassy eyes with reduced areas of necrosis. (E) Venn diagram depicting the number of genes in each Class. Green shading denotes Class 1, GMR > aPKCCA. Pink shading represents Class 2, GMR > crbintra. Brown central region (arrowhead) overlapping Class 1 and 2 represents Class 3 genes that modified both GMR > crbintra and GMR > aPKCCA. Gray shading denotes Class 4, genes that interacted with GMR > crbintra and GMR > aPKCCA and also produced an aberrant eye phenotype when expressed alone via GMR-GAL4. RNAi, RNA interference; UAS, upstream activating sequence; VDRC, Vienna Drosophila RNAi Center. Linda M. Parsons et al. G3 2017;7:2497-2509 ©2017 by Genetics Society of America