Results 31 to 40 of about 2,668,959 (274)

Could humans recognize odor by phonon assisted tunneling? [PDF]

open access: yes, 2006
Our sense of smell relies on sensitive, selective atomic-scale processes that are initiated when a scent molecule meets specific receptors in the nose. However, the physical mechanisms of detection are not clear.
A. M. Stoneham   +16 more
core   +2 more sources

The evolution of sexual signaling is linked to odorant receptor tuning in perfume-collecting orchid bees

open access: yesNature Communications, 2020
Sexual signaling is an important reproductive barrier known to evolve early during the formation of new species, but the genetic mechanisms that facilitate the divergence of sexual signals remain elusive.
Philipp Brand   +6 more
semanticscholar   +1 more source

The key food odorant receptive range of broadly tuned receptor OR2W1.

open access: yesFood Chemistry, 2021
Mammals perceive a multitude of odorants by their chemical sense of olfaction, a high-dimensional stimulus-detection system, with hundreds of narrowly or broadly tuned receptors, enabling pattern recognition by the brain.
F. Haag, A. Di Pizio, D. Krautwurst
semanticscholar   +1 more source

Tuning Insect Odorant Receptors [PDF]

open access: yesFrontiers in Cellular Neuroscience, 2018
Among the insect olfactory receptors the odorant receptors (ORs) evolved in parallel to the onset of insect flight. A special property of this receptor type is the capability to adjust sensitivity of odor detection according to previous odor contacts.
openaire   +4 more sources

Onset of Odorant Receptors [PDF]

open access: yesAnnals of the New York Academy of Sciences, 2009
Odorant receptors are thought to be critical determinants of olfactory sensory neuron axon targeting and organization. Nonetheless, a systematic characterization of the onset of odorant receptor expression has not yet been done in the main olfactory epithelium.
Diego J, Rodriguez-Gil   +5 more
openaire   +2 more sources

Alternative polyadenylation produces multiple 3’ untranslated regions of odorant receptor mRNAs in mouse olfactory sensory neurons

open access: yesBMC Genomics, 2019
Background Odorant receptor genes constitute the largest gene family in mammalian genomes and this family has been extensively studied in several species, but to date far less attention has been paid to the characterization of their mRNA 3′ untranslated ...
Mohamed Doulazmi   +4 more
doaj   +1 more source

The Wire Is Not the Territory: Understanding Representational Drift in Olfaction With Dynamical Systems Theory

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract Representational drift is a phenomenon of increasing interest in the cognitive and neural sciences. While investigations are ongoing for other sensory cortices, recent research has demonstrated the pervasiveness in which it occurs in the piriform cortex for olfaction.
Ann‐Sophie Barwich   +1 more
wiley   +1 more source

Mutagenesis of the Orco Odorant Receptor Co-receptor Impairs Olfactory Function in the Malaria Vector Anopheles coluzzii

open access: yesbioRxiv, 2020
Mosquitoes rely heavily on their olfactory systems for host seeking, selection of oviposition sites, and avoiding predators and other environmental dangers.
Huahua Sun   +4 more
semanticscholar   +1 more source

Inhibition of insect olfactory behavior by an airborne antagonist of the insect odorant receptor co-receptor subunit. [PDF]

open access: yesPLoS ONE, 2017
Response to volatile environmental chemosensory cues is essential for insect survival. The odorant receptor (OR) family is an important class of receptors that detects volatile molecules; guiding insects towards food, mates, and oviposition sites.
Devin Kepchia   +4 more
doaj   +1 more source

Innate immune signaling in the olfactory epithelium reduces odorant receptor levels: modeling transient smell loss in COVID-19 patients

open access: yesmedRxiv, 2020
Post-infectious anosmias typically follow death of olfactory sensory neurons (OSNs) with a months-long recovery phase associated with parosmias. While profound anosmia is the leading symptom associated with COVID-19 infection, many patients regain ...
S. Rodriguez   +16 more
semanticscholar   +1 more source

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