Lola's Role in Drosophila Olfactory Neuron Wiring
Author Information
Author(s): Spletter Maria Lynn, Liu Jian, Liu Justin, Su Helen, Giniger Edward, Komiyama Takaki, Quake Stephen, Luo Liqun
Primary Institution: Howard Hughes Medical Institute, Stanford University
Hypothesis
Lola regulates the identity and targeting specificity of Drosophila olfactory projection neurons.
Conclusion
Lola is essential for the proper wiring of axons and dendrites in most classes of projection neurons.
Supporting Evidence
- Lola is expressed in all neurons adjacent to the antennal lobe at all stages of development.
- Loss of lola results in wiring defects in both axons and dendrites of all lineages of projection neurons.
- Overexpression of individual lola isoforms fails to rescue the lola null phenotypes.
- Lola regulates the expression of multiple genes controlling projection neuron identity and wiring specificity.
Takeaway
Lola is like a guide that helps brain cells connect correctly, making sure they reach the right places.
Methodology
The study used the MARCM system to analyze the function of lola in wiring specificity of olfactory projection neurons.
Limitations
The study does not clarify the specific roles of individual lola isoforms in all contexts.
Digital Object Identifier (DOI)
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