ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2009
Calcium current diversity in physiologically different local interneuron types of the antennal lobe.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 41 citations in OpenAlex.
- Multi-unit recordings in the stick insectFrontiers in physiology · 2026Article
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- Social modulation of individual preferences in cockroaches.iScience · 2021Article
- Odor processing in the cockroach antennal lobe-the network components.Cell and tissue research · 2021Review
- Transient voltage-activated KJournal of neurophysiology · 2017Article
- Honeybee locomotion is impaired by Am-CaScientific reports · 2017Article
- Two Parallel Olfactory Pathways for Processing General Odors in a Cockroach.Frontiers in neural circuits · 2017Article
- Properties and physiological function of Ca2+-dependent K+ currents in uniglomerular olfactory projection neurons.Journal of neurophysiology · 2016Article
- Neuroethology of Olfactory-Guided Behavior and Its Potential Application in the Control of Harmful Insects.Frontiers in physiology · 2016Review
- Two types of local interneurons are distinguished by morphology, intrinsic membrane properties, and functional connectivity in the moth antennal lobe.Journal of neurophysiology · 2015Article
- Modeling the cellular mechanisms and olfactory input underlying the triphasic response of moth pheromone-sensitive projection neurons.PloS one · 2015Article
- Rapid and slow chemical synaptic interactions of cholinergic projection neurons and GABAergic local interneurons in the insect antennal lobe.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
- Characterization of the first honeybee Ca²⁺ channel subunit reveals two novel species- and splicing-specific modes of regulation of channel inactivation.Pflugers Archiv : European journal of physiology · 2013Article
- Spatio-temporal activity patterns of odor-induced synchronized potentials revealed by voltage-sensitive dye imaging and intracellular recording in the antennal lobe of the cockroach.Frontiers in systems neuroscience · 2012Article
- Article
- Spiking patterns and their functional implications in the antennal lobe of the tobacco hornworm Manduca sexta.PloS one · 2011Article
- Histamine-immunoreactive local neurons in the antennal lobes of the hymenoptera.The Journal of comparative neurology · 2010Article
- A 4-dimensional representation of antennal lobe output based on an ensemble of characterized projection neurons.Journal of neuroscience methods · 2009Article
- Article
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5 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Behavioral and physiological studies show that neuronal interactions among the glomeruli in the insect antennal lobe (AL) take place during the processing of odor information. These interactions are mediated by a complex network of inhibitory and excitatory local interneurons (LNs) that restructure the olfactory representation in the AL, thereby regulating the tuning profile of projection neurons. In Periplaneta americana, we characterized two LN types with distinctive physiological properties: (1) type I LNs that generated Na(+)-driven action potentials on odor stimulation and exhibited GABA-like immunoreactivity (GLIR) and (2) type II LNs, in which odor stimulation evoked depolarizations, but no Na(+)-driven action potentials (APs). Type II LNs did not express voltage-dependent transient Na(+) currents and accordingly would not trigger transmitter release by Na(+)-driven APs. Ninety percent of type II LNs did not exhibit GLIR. The distinct intrinsic firing properties were reflected in functional parameters of their voltage-activated Ca(2+) currents (I(Ca)). Consistent with graded synaptic release, we found a shift in the voltage for half-maximal activation of I(Ca) to more hyperpolarized membrane potentials in the type II LNs. These marked physiological differences between the two LN types imply consequences for their computational capacity, synaptic output kinetics, and thus their function in the olfactory circuit.
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