Reference Report

Reference
Citation	Hakeda-Suzuki, S., Berger-Müller, S., Tomasi, T., Usui, T., Horiuchi, S.Y., Uemura, T., Suzuki, T. (2011). Golden Goal collaborates with Flamingo in conferring synaptic-layer specificity in the visual system. Nat. Neurosci. 14(3): 314--323. (Export to RIS)
FlyBase ID	FBrf0213128
Publication Type	Research paper
PubMed ID	21317905
PubMed Abstract	Neuronal connections are often organized in layers that contain synapses between neurons that have similar functions. In Drosophila, R7 and R8 photoreceptors, which detect different wavelengths, form synapses in distinct medulla layers. The mechanisms underlying the specificity of synaptic-layer selection remain unclear. We found that Golden Goal (Gogo) and Flamingo (Fmi), two cell-surface proteins involved in photoreceptor targeting, functionally interact in R8 photoreceptor axons. Our results indicate that Gogo promotes R8 photoreceptor axon adhesion to the temporary layer M1, whereas Gogo and Fmi collaborate to mediate axon targeting to the final layer M3. Structure-function analysis suggested that Gogo and Fmi interact with intracellular components through the Gogo cytoplasmic domain. Moreover, Fmi was also required in target cells for R8 photoreceptor axon targeting. We propose that Gogo acts as a functional partner of Fmi for R8 photoreceptor axon targeting and that the dynamic regulation of their interaction specifies synaptic-layer selection of photoreceptors.
DOI	10.1038/nn.2756
Related Publication(s)
Supplementary material	Online Methods. [FBrf0213428]
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Language of Publication	English
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Publication Type	Journal
Abbreviation	Nat. Neurosci.
Title	Nature Neuroscience
Publication Year	1998-
ISBN/ISSN	1097-6256
Data from Reference
Alleles (20)
	gogo^D869 gogo^D1600 gogo^{FL.Scer\UAS.T:Hsap\MYC} gogo^H1675 gogo^{ΔC.Scer\UAS.T:Hsap\MYC} Mmus\Cd8a^{GMR.T:Hsap\MYC,T:Zzzz\KO-mKO} Mmus\Cd8a^{Rh4.T:Avic\GFP} Mmus\Cd8a^{Rh6.T:Avic\GFP} Mmus\Cd8a^{Scer\UAS.T:Hsap\MYC,T:Zzzz\KO-mKO} Scer\GAL4^9-9 Scer\GAL4^Act.PU Scer\GAL4^caps-NP3294 Scer\GAL4^GMR.PU Scer\GAL4^sca-109-68 Scer\GAL80^ts.αTub84B stan^E59 stan^E86 stan^GMR.PH stan^Scer\UAS.cUa stan^{ΔIntra.Scer\UAS}
Constructs (11)
	P{GMR-fmi.H} P{GMR-GAL4.U} P{GMR-mCD8mKOrange} P{Rh4-mCD8-GFP} P{Rh6-mCD8-GFP} P{tubP-GAL80^ts} P{UAS-fmi.U} P{UAS-fmi.ΔIntra} P{UAS-gogo.FL} P{UAS-gogo.ΔC} P{UAS-mCD8-mKO-myc}
Genes (9)
	CadN chp elav gogo Mmus\Cd8a Scer\GAL4 Scer\GAL80 stan unc-5
Insertions (3)
	P{GAL4}9-9 P{GawB}caps^NP3294 P{GawB}sca^109-68