Homozygous clones in the larval visual system have no defects in distal cell neuron positioning.
Some, but not all, interface glia migrate over the CNS midline. Longitudinal connectives are somewhat closer to the midline than in wild type, and the pCC/MP2 fascicle may cross the midline.
Embryos show thickening of the commissures and thinning of the longitudinals in the central nervous system.
"Fuzzy commisure" phenotype in embryonic central nervous system.
robo15, sli[+]/sli1 has abnormal neuroanatomy | embryonic stage 16 | dominant phenotype, enhanceable by kuzH143
robo15, sli[+]/sli1 has abnormal neuroanatomy | embryonic stage 16 | dominant phenotype, enhanceable by kuz112
robo15, sli[+]/sli1 has abnormal neuroanatomy | embryonic stage 16 | dominant phenotype, enhanceable by kuze29-4
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by dock04723
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by dock3
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by Pak11
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by Pak4
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by PakUAS.Tag:MYC/Scer\GAL4elav.PLu
robo15, sli1 has abnormal neuroanatomy phenotype, enhanceable by Scer\GAL4elav.PLu/PakUAS.Tag:Myr(Src64B)
robo15, sli[+]/sli1 has abnormal neuroanatomy | dominant phenotype, enhanceable by Scer\GAL4elav-C155/Nedd4UAS.Tag:MYC
robo[+]/robo15, sli1 has abnormal neuroanatomy phenotype, non-enhanceable by tutl[+]/tutlex383
robo15, sli[+]/sli1 has abnormal neuroanatomy phenotype, non-enhanceable by tutl[+]/tutlex383
robo[+], sli[+], robo15, sli1 is an enhancer of abnormal neuroanatomy | embryonic stage 16 phenotype of kuze29-4
robo[+], sli[+], robo15, sli1 is an enhancer of abnormal neuroanatomy | embryonic stage 16 phenotype of kuzH143
robo15, sli[+]/sli1 has abnormal neuroanatomy | dominant | embryonic stage 16 phenotype
robo15, sli[+]/sli1 has abnormal neuroanatomy phenotype
robo[+]/robo15, sli1 has abnormal neuroanatomy phenotype
robo15, sli1 has abnormal neuroanatomy phenotype
robo15, sli[+]/sli1 has abnormal neuroanatomy | dominant phenotype
robo15, sli1 has abnormal neuroanatomy | dominant phenotype
robo[+]/robo15, sli1 has abnormal neuroanatomy | dominant phenotype
robo15, sli[+]/sli1 has larval longitudinal connective | embryonic stage 16 phenotype, enhanceable by kuzH143
robo15, sli[+]/sli1 has commissure | embryonic stage 16 phenotype, enhanceable by kuzH143
robo15, sli[+]/sli1 has larval longitudinal connective | embryonic stage 16 phenotype, enhanceable by kuz112
robo15, sli[+]/sli1 has commissure | embryonic stage 16 phenotype, enhanceable by kuz112
robo15, sli[+]/sli1 has larval longitudinal connective | embryonic stage 16 phenotype, enhanceable by kuze29-4
robo15, sli[+]/sli1 has commissure | embryonic stage 16 phenotype, enhanceable by kuze29-4
robo15, sli1 has medial longitudinal fascicle phenotype, enhanceable by RhoGAP93BRNAi.UAS.cBa/Scer\GAL4elav.PLu
robo15, sli1 has larval MP1 neuron phenotype, enhanceable by dock04723
robo15, sli1 has larval longitudinal connective phenotype, enhanceable by dock04723
robo15, sli1 has pCC neuron phenotype, enhanceable by dock04723
robo15, sli1 has larval longitudinal connective phenotype, enhanceable by dock3
robo15, sli1 has larval longitudinal connective phenotype, enhanceable by PakUAS.Tag:MYC/Scer\GAL4elav.PLu
robo15, sli1 has larval longitudinal connective phenotype, enhanceable by Scer\GAL4elav.PLu/PakUAS.Tag:Myr(Src64B)
robo15 has presumptive embryonic/larval central nervous system phenotype, enhanceable by Pak11
robo15 has presumptive embryonic/larval central nervous system phenotype, enhanceable by Pak4
robo15, sli[+]/sli1 has larval anterior commissure phenotype, enhanceable by Scer\GAL4elav-C155/Nedd4UAS.Tag:MYC
robo15, sli[+]/sli1 has larval posterior commissure phenotype, enhanceable by Scer\GAL4elav-C155/Nedd4UAS.Tag:MYC
robo15, sli[+]/sli1 has larval ventral nerve cord phenotype, enhanceable by Scer\GAL4elav-C155/Nedd4UAS.Tag:MYC
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, enhanceable by AblEP3101/Scer\GAL4elav.PLu
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, enhanceable by ena[+]/enaGC1
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, enhanceable by ena[+]/enaGC5
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, enhanceable by ena[+]/enaGC8
robo[+]/robo15, sli1 has commissure phenotype, non-enhanceable by tutl[+]/tutlex383
robo15, sli[+]/sli1 has commissure phenotype, non-enhanceable by tutl[+]/tutlex383
robo15, sli1 has medial longitudinal fascicle phenotype, non-enhanceable by RacGAP84CUAS.cRa/Scer\GAL4elav.PLu
robo15, sli1 has medial longitudinal fascicle phenotype, non-enhanceable by RhoGAP100FRNAi.UAS.cBa
robo15, sli1 has medial longitudinal fascicle phenotype, non-enhanceable by CdGAPrRNAi.UAS
robo15, sli1 has medial longitudinal fascicle phenotype, non-enhanceable by RhoGAP19DRNAi.UAS.cBa
robo15, sli1 has medial longitudinal fascicle phenotype, non-enhanceable by tumRNAi.UAS.cBa
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, suppressible by Abl1/Abl[+]
robo15, sli[+]/sli1 has larval longitudinal connective phenotype, suppressible by Abl4/Abl[+]
robo[+], sli[+], robo15, sli1 is an enhancer of larval longitudinal connective | embryonic stage 16 phenotype of kuze29-4
robo[+], sli[+], robo15, sli1 is an enhancer of commissure | embryonic stage 16 phenotype of kuze29-4
robo[+], sli[+], robo15, sli1 is an enhancer of larval longitudinal connective | embryonic stage 16 phenotype of kuzH143
robo[+], sli[+], robo15, sli1 is an enhancer of commissure | embryonic stage 16 phenotype of kuzH143
AblEP3101, robo15, Scer\GAL4elav.PLu is an enhancer of larval longitudinal connective phenotype of sli1
robo[+]/robo15 is an enhancer of larval longitudinal connective phenotype of sli1
robo[+], ena[+], enaGC1, robo15 is an enhancer of larval longitudinal connective phenotype of sli1
robo[+], ena[+], enaGC5, robo15 is an enhancer of larval longitudinal connective phenotype of sli1
robo[+], ena[+], enaGC8, robo15 is an enhancer of larval longitudinal connective phenotype of sli1
robo[+], Abl1, robo15, Abl[+] is a suppressor of larval longitudinal connective phenotype of sli1
robo[+], Abl4, robo15, Abl[+] is a suppressor of larval longitudinal connective phenotype of sli1
robo15/robo11 is a suppressor | partially of larval ventral nerve cord commissure phenotype of Scer\GAL4elav.PLu, robo2UAS.cSa
robo15, sli[+]/sli1 has larval longitudinal connective | embryonic stage 16 phenotype
robo15, sli[+]/sli1 has commissure | embryonic stage 16 phenotype
robo[+]/robo15, sli1 has commissure phenotype
robo15, sli[+]/sli1 has commissure phenotype
robo15, sli1 has medial longitudinal fascicle phenotype
robo15, sli1 has pCC neuron phenotype
robo15, sli1 has larval MP1 neuron phenotype
robo15, sli1 has larval longitudinal connective phenotype
robo15, sli1 has larval ventral nerve cord phenotype
robo15, sli1 has larval anterior commissure phenotype
robo15, sli1 has larval posterior commissure phenotype
robo[+]/robo15, sli1 has larval ventral nerve cord phenotype
robo15, sli[+]/sli1 has larval anterior commissure phenotype
robo[+]/robo15, sli1 has larval anterior commissure phenotype
robo[+]/robo15, sli1 has larval posterior commissure phenotype
robo15, sli[+]/sli1 has larval posterior commissure phenotype
sli[1], robo[5] transheterozygous stage 16 embryos exhibit thinner than normal fascicles and midline crossing defects.
A kuzH143 background enhances the FasII midline crossing phenotype seen in sli1, robo5 transheterozygous stage 16 embryos.
A kuz112 background enhances the FasII midline crossing phenotype seen in sli1, robo5 transheterozygous stage 16 embryos.
A kuze29-4 background enhances the FasII axon midline crossing phenotype seen in sli1, robo5 transheterozygous stage 16 embryos.
One copy each of sli1 and robo5 enhances the FasII axon midline crossing phenotype seen in kuzH143 stage 16 embryos.
In robo15/+, sli1/+ transheterozygous embryos, the medial longitudinal pathway occasionally crosses the midline. The addition of RhoGAP93BdsRNA.Scer\UAS (driven by Scer\GAL4elav.PLu) significantly enhances this phenotype.
When RhoGAP93BScer\UAS.cHa is driven by RhoGAP93BScer\UAS.cHa in a sli1/+, robo15/+ background, the axon scaffold of the ventral midline is severely disrupted. The ectopic crossing defect see at low frequency in sli1/+, robo15 embryos is enhanced.
In robo15/+, sli1/+ transheterozygous embryos, the medial longitudinal pathway occasionally crosses the midline. The addition of RacGAP84CScer\UAS.cRa (driven by Scer\GAL4elav.PLu) has no effect on this phenotype.
Heterozygous dock04723 enhances the longitudinal axon guidance and pCC/MP1 defects seen in transheterozygous sli1, robo5 mutants. An average of 7.4 defects are seen per animal. 67% of segments (calculated as number of defects/segments) show defects, and 72% of embryos show defects in pCC/MP1.
Heterozygous dock3 enhances the longitudinal axon ectopic midline crossing defect seen in transheterozygous sli1, robo5 mutants. An average of 5.7 defects are seen per animal. 52% of segments (calculated as number of defects/segments) show defects.
sli1, robo5 transheterozygotes exhibit approximately 2.7 defects in longitudinal axon guidance per animal. An average of 24% of segments show defects. Also 27% of embryos also exhibit defects in pCC/MP1.
Overexpression of PakScer\UAS.T:Hsap\MYC under the control of Scer\GAL4elav.PLu enhances the longitudinal axon guidance and pCC/MP1 defects seen in transheterozygous sli1, robo5 mutants. An average of 6.1 defects are seen per animal. 55% of segments (calculated as number of defects/segments) show defects.
Heterozygous Pak4 enhances the frequency of central nervous system axon defects seen in sli1, robo5 mutants. An average of 6.1 defects are seen per animal. 54% of segments (calculated as number of defects/segments) show defects.
Heterozygous Pak11 enhances the frequency of central nervous system axon defects seen in sli1, robo5 mutants. An average of 5.8 defects are seen per animal. 53% of segments (calculated as number of defects/segments) show defects.
Overexpression of PakScer\UAS.T:Myr1 under the control of Scer\GAL4elav.PLu enhances the longitudinal axon defects seen in transheterozygous sli1, robo5 mutants. An average of 14.3 defects are seen per animal.
Heterozygous dock04723 enhances the longitudinal axon guidance and pCC/MP1 defects seen in transheterozygous sli1, robo5 mutants. An average of 7.4 defects are seen per animal. 67% of segments (calculated as number of defects/segments) show defects, and 72% of embryos show defects in pCC/MP1. Heterozygous dock3 enhances the longitudinal axon ectopic midline crossing defect seen in transheterozygous sli1, robo5 mutants. An average of 5.7 defects are seen per animal. 52% of segments (calculated as number of defects/segments) show defects. sli1, robo5 transheterozygotes exhibit approximately 2.7 defects in longitudinal axon guidance per animal. An average of 24% of segments show defects. Also 27% of embryos also exhibit defects in pCC/MP1. Overexpression of PakScer\UAS.T:Hsap\MYC under the control of Scer\GAL4elav.PLu enhances the longitudinal axon guidance and pCC/MP1 defects seen in transheterozygous sli1, robo5 mutants. An average of 6.1 defects are seen per animal. 55% of segments (calculated as number of defects/segments) show defects. Heterozygous Pak4 enhances the frequency of central nervous system axon defects seen in sli1, robo5 mutants. An average of 6.1 defects are seen per animal. 54% of segments (calculated as number of defects/segments) show defects. Heterozygous Pak11 enhances the frequency of central nervous system axon defects seen in sli1, robo5 mutants. An average of 5.8 defects are seen per animal. 53% of segments (calculated as number of defects/segments) show defects. Overexpression of PakScer\UAS.T:Myr1 under the control of Scer\GAL4elav.PLu enhances the longitudinal axon defects seen in transheterozygous sli1, robo5 mutants. An average of 14.3 defects are seen per animal. 130% of segments (calculated as number of defects/segments) show defects.
In sli1/+,robo5/+ double heterozygote embryos the occasional axon crosses the midline. This phenotype is dramatically enhanced by Nedd4Scer\UAS.T:Hsap\MYC.
robo5,sli1/+,+ embryos typically display two to four axon bundles of the medial longitudinal pathway (per animal) inappropriately crossing the midline. The addition of enaGC1/+, enaGC5/+ or enaGC8/+ to these flies produces a dramatic enhancement of this phenotype, many more crossovers are seen, often several per segment. The addition of AblEP3101 driven by Scer\GAL4elav.PLu also enhances this phenotype, whilst the addition of Abl1 or Abl4 suppresses the phenotype.
robo15 is rescued by robo1ΔCC1.UAS/Scer\GAL4elav.PLu
robo15 is rescued by Scer\GAL4elav.PLu/robo1UAS.cKa
robo15 is rescued by robo1UAS.cKa/Scer\GAL4ftz.ng
robo15 is partially rescued by robo1ΔCC2.UAS/Scer\GAL4elav.PLu
robo15 is partially rescued by Scer\GAL4elav.PLu/robo1ΔCC3.UAS
The axon guidance phenotype is rescued in all segments by roboScer\UAS.cKa expressed under the control of Scer\GAL4elav.PLu. The pCC axon phenotype is also rescued by roboScer\UAS.cKa expressed under the control of Scer\GAL4ftz.ng.
Induced on: Fas3 null chromosome.