ArticleJournal of neurophysiology2008
Inhibitory interactions among olfactory glomeruli do not necessarily reflect spatial proximity.
Article in Journal of neurophysiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Coincidence of pheromone and plant odor leads to sensory plasticity in the heliothine olfactory system.PloS one · 2017Article
- Neuroethology of Olfactory-Guided Behavior and Its Potential Application in the Control of Harmful Insects.Frontiers in physiology · 2016Review
- The neural bases of host plant selection in a Neuroecology framework.Frontiers in physiology · 2015Review
- Unexpected plant odor responses in a moth pheromone system.Frontiers in physiology · 2015Article
- Olfactory coding in the insect brain: data and conjectures.The European journal of neuroscience · 2014Review
- Data-driven inference of network connectivity for modeling the dynamics of neural codes in the insect antennal lobe.Frontiers in computational neuroscience · 2014Article
- Glomerular interactions in olfactory processing channels of the antennal lobes.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2013Review
- Local interneuron diversity in the primary olfactory center of the moth Manduca sexta.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2011Article
- Neuronal processing of complex mixtures establishes a unique odor representation in the moth antennal lobe.Frontiers in neural circuits · 2011Article
- Histamine-immunoreactive local neurons in the antennal lobes of the hymenoptera.The Journal of comparative neurology · 2010Article
- Innate recognition of pheromone and food odors in moths: a common mechanism in the antennal lobe?Frontiers in behavioral neuroscience · 2010Article
- Neural correlates of behavior in the moth Manduca sexta in response to complex odors.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Reconstruction of virtual neural circuits in an insect brain.Frontiers in neuroscience · 2009Article
- Serotonin modulates olfactory processing in the antennal lobe of Drosophila.Journal of neurogenetics · 2009Article
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3 authors.
Funding
Abstract
Inhibitory interactions shape the activity of output neurons in primary olfactory centers and promote contrast enhancement of odor representations. Patterns of interglomerular connectivity, however, are largely unknown. To test whether the proximity of glomeruli to one another is correlated with interglomerular inhibitory interactions, we used intracellular recording and staining methods to record the responses of projection (output) neurons (PNs) associated with glomeruli of known olfactory tuning in the primary olfactory center of the moth Manduca sexta. We focused on Toroid I, a glomerulus in the male-specific macroglomerular complex (MGC) specialized to one of the two key components of the conspecific females' sex pheromone, and the adjacent, sexually isomorphic glomerulus 35, which is highly sensitive to Z-3-hexenyl acetate (Z3-6:OAc). We used the two odorants to activate these reference glomeruli and tested the effects of olfactory activation in other glomeruli. We found that Toroid-I PNs were not inhibited by input to G35, whereas G35 PNs were inhibited by input to Toroid-I PNs. We also recorded the responses of PNs arborizing in other sexually isomorphic glomeruli to stimulation with the sex pheromone and Z3-6:OAc. We found that inhibitory responses were not related to proximity to the MGC and G35: both distant and adjacent PNs were inhibited by stimulation with the sex pheromone, some others were affected by only one odorant, and yet others by neither. Similar results were obtained in female PNs recorded in proximity to female-specific glomeruli. Our findings indicate that inhibitory interactions among glomeruli are widespread and independent of their spatial proximity.
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