Gustatory Cells
Gustatory Cells - Related Videos
10:59
New Methods to Study Gustatory Coding
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Cited by 1 •
2017
We present three new methods to study gustatory coding. Using a simple animal, the moth Manduca sexta (Manduca), we describe a dissection protocol, the use of extracellular tetrodes to record the activity of multiple gustatory receptor neurons, and a system for delivering and monitoring precisely timed pulses of tastants.
10:57
RNAi-mediated Double Gene Knockdown and Gustatory Perception Measurement in Honey Bees (Apis mellifera)
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Cited by 19 •
2013
In this protocol, we describe two strategies that simultaneously suppress two genes (double gene knockdown) in honey bees. Then we present how to use the proboscis extension response (PER) assay to study the effect of double gene knockdown on honey bee gustatory perception.
07:30
A Novel Behavioral Assay to Investigate Gustatory Responses of Individual, Freely-moving Bumble Bees (Bombus terrestris)
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Cited by 21 •
2016
A novel behavioral assay is described for investigating the short term gustatory responses of the mouthparts of freely-moving bumble bees (Bombus terrestris) toward nutrients and toxins in solution.
09:09
Physiological Recordings and RNA Sequencing of the Gustatory Appendages of the Yellow-fever Mosquito Aedes aegypti
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Cited by 2 •
2014
Using two methods to estimate gene expression in the major gustatory appendages of Aedes aegypti, we have identified the set of genes putatively underlying the neuronal responses to bitter and repulsive compounds, as determined by electrophysiological examination.
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
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2025
This protocol describes the in vivo reprogramming of mouse cancer cells into type 1 dendritic-like cells within the tumor microenvironment through enforced expression of the transcription factors PU.1, IRF8, and BATF3.
FAQs
The first stage is chemical recognition at the cell membrane. Dissolved tastants may bind to membrane receptors or move through ion channels, and these alternatives initiate different cellular responses. The resulting membrane-potential change provides the electrical basis for signaling, allowing the nervous system to receive information about compounds present in food or beverages.
Membrane-potential changes link detection to communication. When a tastant alters the electrical state of a gustatory cell, the cell releases neurotransmitters that activate sensory neurons. This step converts a local chemical event into a signal carried through the nervous system, making receptor activity biologically meaningful rather than an isolated response within the taste bud.
Sweet, bitter, umami, salty, and sour sensations do not arise from one universal receptor event. Different receptor mechanisms contribute to these taste qualities, so both the chemical stimulus and the way it acts on the cell influence the resulting signal. This distinction allows taste categories to be studied as related but mechanistically different responses.
Chemical detection by gustatory cells is only one component of flavor perception. Smell and texture interact with taste-related signals, so the same gustatory response may contribute to different overall flavor experiences depending on accompanying sensory information. In biology, this makes it important to distinguish cellular taste signaling from the integrated perceptual outcome.
Studying these cells can connect nutrient-related chemical detection with feeding behavior. Their responses provide a way to investigate how food-associated compounds become sensory signals that influence the nervous system. This perspective extends analysis beyond naming taste qualities, helping researchers relate cellular activity to the biological role of detecting and responding to what is consumed.
Changes in gustatory-cell function can help explain why taste perception is altered by disease or medication. Researchers can consider whether altered responses involve chemical detection, membrane signaling, or communication with sensory neurons. Linking these cellular stages to sensory changes supports a biological analysis of taste disorders rather than treating them as purely perceptual complaints.