Pheromone Response
Pheromone Response - Related Videos
07:25
Measuring Physiological Responses of Drosophila Sensory Neurons to Lipid Pheromones Using Live Calcium Imaging
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Cited by 4 •
2016
The forelegs and proboscis of Drosophila contain a rich repertoire of gustatory sensory neurons. Here, we present a method using calcium imaging to measure physiological responses from sensory neurons in the foreleg and proboscis of live flies upon exogenous application of a gustatory pheromone.
07:31
Using an Adapted Microfluidic Olfactory Chip for the Imaging of Neuronal Activity in Response to Pheromones in Male C. Elegans Head Neurons
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Cited by 20 •
2017
The use of an adapted "olfactory chip" for the efficient calcium imaging of C. elegans males is described here. Studies of male exposure to glycerol and a pheromone are also shown.
06:49
Volatile Sex Pheromone Extraction and Chemoattraction Assay in Caenorhabditis elegans
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Cited by 1 •
2024
This protocol establishes methods for extracting and quantifying responses to the volatile sex pheromone in C. elegans, providing tools to study chemical communication and navigation trajectory.
09:31
Imaging Pheromone Sensing in a Mouse Vomeronasal Acute Tissue Slice Preparation
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Cited by 15 •
2011
In mice, the ability to detect pheromones is principally mediated by the vomeronasal organ (VNO). Here, an acute tissue slice preparation of VNO for performing calcium imaging is described. This physiological approach allows observations of subpopulations and/or individual neurons in a living tissue and is convenient for receptor-ligand identification.
09:35
The Identification of Sea Lamprey Pheromones Using Bioassay-Guided Fractionation
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Cited by 4 •
2018
Here, we present a protocol to isolate and characterize the structure, olfactory potency, and behavioral response of putative pheromone compounds of sea lampreys.
FAQs
Receptor neurons in olfactory tissues detect pheromone molecules and convert that chemical information into neural signals. Those signals travel through specialized neural circuits, where the nervous system links the cue with behavioral or physiological effects. This pathway helps explain how a molecule released outside the body can influence reproductive, territorial, defensive, or social behavior.
Neural circuits determine how sensory information is connected to motivation and behavior. After olfactory tissues detect a pheromone, circuit activity can influence responses such as attraction, territorial actions, defense, or social interaction. Studying these connections allows neuroscientists to examine how sensory input is transformed into organized behavioral decisions rather than treating detection as an isolated event.
Pheromone-evoked neural activity may engage hormonal pathways in addition to producing immediate behavioral effects. This connection links chemical sensing with neuroendocrine regulation, allowing an environmental cue to influence physiology as well as behavior. Investigating both neural and hormonal consequences helps researchers distinguish rapid responses from broader changes associated with reproduction or other physiological states.
Because pheromone cues can alter behavior through defined sensory and neural pathways, they provide a way to connect environmental information with motivation and decision-making. Researchers can examine how the same general sensory process contributes to reproductive, territorial, defensive, or social outcomes. This makes the subject valuable for understanding how chemical cues shape behavioral priorities.
Studies typically focus on the relationship among pheromone molecules, olfactory receptor neurons, neural circuits, behavior, and hormonal pathways. Researchers may ask how detection is represented in the nervous system and which responses follow from that representation. Examining these linked levels clarifies how chemical communication produces observable behavioral or physiological outcomes.
Pheromone response research supports the study of animal communication, reproductive biology, and comparative neuroscience. It also helps explain how environmental chemical cues influence behavior and physiology within a species. By comparing sensory pathways and resulting behaviors, scientists can investigate shared or differing principles of communication, motivation, and neuroendocrine regulation across animals.