Single odorant molecules?
Article Abstract:
A. Menini, C. Picco and S. Firestein fail to account for non-linear current generation, intrinsic transduction noise and other factors in their supposition that quantal activation is responsible for olfactory transduction. The theory that individual odorant molecules are detected by vertebrate olfactory receptors rather than that intrinsic transduction noise is responsible for the increase in response is not backed by their data which shows more than doubling in response to doubled molecules.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1995
User Contributions:
Comment about this article or add new information about this topic:
Mechanism of odorant adaptation in the olfactory receptor cell
Article Abstract:
The adaptational mechanism in intact olfactory cells is investigated through the use of a combination of odorant stimulation and caged cAMP photolysis. Odorant- and cAMP-induced responses indicated that adaptation occurs entirely downstream of the cyclase. A modulation of the cAMP-gated channel by Ca2+ feedback is determined as the principal mechanism underlying odorant adaptation.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
Odorant receptors make scents
Article Abstract:
Olfaction, which is non-recognized at an elaborate sensory system, deploys a large family of odorant receptors to analyze the chemical environment. The complex process of interaction between the odorant receptors reveals that they act as bidirectional chemical detectors and determine the function of sensory neurons.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Another role rolls in. Molecular mechanisms of kinetochore capture by spindle microtubules. Tension between two kinetochores suffices for their bi-orientation on the mitotic spindle
- Abstracts: Picosecond discharges and stick-slip friction at a moving meniscus of mercury on glass. Mechanical detection of magnetic resonance
- Abstracts: Working for food under conditions of varying motivation in broilers. Superparasitism acceptance and patch-leaving mechanisms in parasitoids: A comparison between two sympatric wasps
- Abstracts: Sneaking behavior and nest defence are affected by predation risk in the common goby. Influence of predation risk on individual competitive ability and growth in Eurasian perch, Perca fluviatilis
- Abstracts: A waiting game between the black-bellied plover and its fiddler crab prey. Predation risk on incubating adults constrains the choice of thermally favorable nest sites in a plover