Max Planck researchers decipher the chemical language underlying mating in 99 species of the genus Drosophila
Tag: OLFACTORY/TASTE
Moral disgust has a ‘bad taste’
When we witness behaviours that violate shared moral norms, our brain inhibits the neurons that control our tongue movements – just like it happens when something tastes bad. An international research group led by the Universities of Bologna and Messina…
Association between bitter taste receptor types, clinical outcomes among patients with COVID-19
What The Study Did: This study evaluates the association between bitter taste receptor types (supertasters who experience greater intensity of bitter tastes ; tasters; and nontasters who experience low intensity of bitter tastes or no bitter tastes) and outcomes after…
Two compounds can make chocolate smell musty and moldy
Chocolate is a beloved treat, but sometimes the cocoa beans that go into bars and other sweets have unpleasant flavors or scents, making the final products taste bad. Surprisingly, only a few compounds associated with these stinky odors are known.…
Cracking open the mystery of how many bubbles are in a glass of beer
After pouring beer into a glass, streams of little bubbles appear and start to rise, forming a foamy head. As the bubbles burst, the released carbon dioxide gas imparts the beverage’s desirable tang. But just how many bubbles are in…
Lemurs can sniff out hidden fruit from afar
Lemurs use olfactory cues carried by the wind to locate cantaloupe hidden in the forest
Why odors trigger powerful memories
Smell travels on superhighway to hippocampus in the brain
Could catnip become the new DEET?
The common plant shows promise as a new natural insect repellent
Dietary fats interact with grape tannins to influence wine taste
Wine lovers recognize that a perfectly paired wine can make a delicious meal taste even better, but the reverse is also true: Certain foods can influence the flavors of wines. Now, researchers reporting in ACS’ Journal of Agricultural and Food…
Red light put moths in the mood
Do you dim the lighting and turn on the red light for a romantic night in with your partner? It turns out moths aren’t so different in that regard. A new study published in Frontiers in Genetics shows that dim…
Loss of sense of smell and taste may last up to 5 months after COVID-19
MINNEAPOLIS – People with COVID-19 may lose their sense of smell and taste for up to five months after infection, according to a preliminary study released today, February 22, 2021, that will be presented at the American Academy of Neurology’s…
Creating more sustainable fragrances with biotech
In the face of a changing climate and crop diseases, manufacturers of products containing natural flavors and fragrances are pivoting to a new way to source ingredients. Companies have been partnering with biotechnology firms to manufacture scents and flavors using…
Opertech Bio’s Pioneering Approach to Taste Testing and Measurement Published in JPET
Findings Provide a Rigorous Scientific Validation of Company’s Taste Evaluation Technology
Adaptive Image Receive (AIR) coil from GE shows promise for whole-brain imaging
GE Healthcare’s prototype 16-channel head Adaptive Image Receive (AIR) radiofrequency coil outperformed a conventional 8-channel head coil for in vivo whole-brain imaging
Repurposed mouse model sheds light on loss of smell in COVID-19
A repurposed mouse model can develop symptoms of both severe COVID-19 (lung damage, blood clots, abnormal blood vessels, and death) and also of milder disease, including loss of the sense of smell, according to a recent University of Iowa study…
A measure of smell
Meeting a 100-year-old challenge could lead the way to digital aromas
Silicone surface mimics topology, wettability of a real human tongue
The tongue helps people taste food, but structures on its surface also help them sense textures — something that’s also very important when savoring a meal. Now, researchers reporting in ACS Applied Materials & Interfaces have made a 3D silicone…
Scientists develop AI-powered ‘electronic nose’ to sniff out meat freshness
A team of scientists led by Nanyang Technological University, Singapore (NTU Singapore) has invented an artificial olfactory system that mimics the mammalian nose to assess the freshness of meat accurately. The ‘electronic nose’ (e-nose) comprises a ‘barcode’ that changes colour…
Western diet impairs odor-related learning and olfactory memory in mice
Problems with the sense of smell appear to be an early indicator of cognitive decline in people with type 2 diabetes. However, it’s unknown whether factors such as diet and obesity play a role in who develops these symptoms. Now,…
AJTMH tip sheet for October 2020
Your advance look at two new studies publishing online on Oct. 15, 2020 in The American Journal of Tropical Medicine and Hygiene
There’s a gene for detecting that fishy smell, olfactory GWAS shows
For many people, the smell of fish is rather strong and unpleasant. But some people carry a mutation in a particular gene that makes that fish odor less intense, reports a paper publishing October 8 in the journal Current Biology…
Study looks at encoding the odor of cigarette smoke
A recent publication in the Journal of Neuroscience by a group of researchers at the University of Kentucky looks at Encoding the Odor of Cigarette Smoke. Tim McClintock, a physiology professor at UK, says their work lays a foundation for…
Repeated pregnancy loss may be tied to the olfactory system
Understanding the connection could lead to a new search for the causes of unexplained spontaneous miscarriage
Study suggests link between unexplained miscarriages and how women perceive men’s body odor
Women who have had repeated and unexplained pregnancy loss have an altered perception and brain response to men’s body odour
Nose’s response to odors more than just a simple sum of parts
Recording of olfactory sensory neurons in mice shows suppression or enhancement of response when odors are mixed
Scientists “scent train” honeybees to boost sunflowers’ seed production
If you want a dog to hunt something down, it helps to let them sniff an item to pick up the scent. Now, researchers reporting in Current Biology on September 17 have found that scent training honeybees in the hive…
Diamondback moth uses plant defense substances as oviposition cues
A Chinese-German research team identifies the olfactory receptors of a pest insect that control its preference for cabbage, rapeseed and related species
Making dog food more delectable by analyzing aromas
Dogs aren’t known for being picky about their food, eating the same kibble day after day with relish. However, owners of pampered pooches want their pets to have the best possible culinary experience, especially for those rare finicky canines. Now,…
International Symposium on Olfaction and Taste at Association for Chemoreception Sciences
Fostering research and understanding of the chemical senses in health and disease
CU Anschutz researchers shed light on split-second decision making
Study shows cerebellum is key to ‘go-no go’ decision process
Only the nose knows: New international network explores how odors lead to actions
The University of Colorado Boulder will lead a groundbreaking new international research network dubbed Odor2Action starting this fall. The work is aimed at understanding how animals use information from odors in their environment to guide behavior, with far-ranging implications for…
Constructing odor objects in the brain
A research team led by Hokto Kazama at the RIKEN Center for Brain Science (CBS) in Japan has combined brain imaging and models of brain activity to explain how smells can be generalized into categories. The team examined a region…
Evidence of direct viral damage to olfactory complex in patients testing positive for SARS-CoV-2
What The Article Says: Researchers report the clinicopathologic and autopsy findings observed in the olfactory system of two patients with SARS-CoV-2-positive nasal swabs. Authors: Patrizia Morbini M.D., Ph.D., of the University of Pavia in Pavia, Italy, is the corresponding author. To access…
Scientists win grant to unravel mystery of how animals track scent
CU Anschutz, CU Boulder scientists join Columbia to study brain’s role in tracking odors
Right under your nose: A more convenient way to diagnose Alzheimer’s disease
Certain proteins in nasal discharge can indicate the onset and progression of Alzheimer’s, providing an avenue for early detection
Large proportion of NHS workers may have already had COVID-19
Peer reviewed – survey – people
How microbes in ‘starter cultures’ make fermented sausage tasty
Microbes in “starter cultures” impart a distinctive tang and longer shelf life to food like sourdough bread, yogurt and kimchi through the process of fermentation. To get a better grasp of how microbes do this in fermented sausages, such as…
Taste bud cells might not be a target of SARS-CoV-2
An intriguing early symptom among some COVID-19 patients is the loss of the sense of smell and/or taste, which has led to the suspicion that the virus that causes the illness, SARS-CoV-2, could be targeting taste buds. But as researchers…
SARS-CoV-2 infection of non-neuronal cells, not neurons, may drive loss of smell in patients with COVID-19
Non-neuronal expression of SARS-CoV-2 entry genes in the olfactory system suggests mechanisms underlying COVID-19-associated anosmia
CU Anschutz researchers win grant to study COVID-19 impact on sense of smell
The first sign of infection is sometimes a loss of the sense of smell
CU Anschutz researchers win grant to study COVID-19 impact on sense of smell
The first sign of infection is sometimes a loss of the sense of smell
COVID-19 may attack patients’ central nervous system
Depressed mood or anxiety exhibited in COVID-19 patients may possibly be a sign the virus affects the central nervous system, according to an international study led by a University of Cincinnati College of Medicine researcher.
How common are taste, smell dysfunction in COVID-19 patients
What The Study Did: This survey study of patients with COVID-19 investigates how common the ability to taste and smell was reduced at the onset of the disease. Authors: Fabio Ferreli, M.D., of the Humanitas Clinical and Research Center in…
Scientists decode how the brain senses smell
Scientists have further decoded how mammalian brains perceive odors and distinguish one smell from thousands of others. In experiments in mice, NYU Grossman School of Medicine researchers have for the first time created an electrical signature that is perceived as…
A changing mating signal may initiate speciation in populations of Drosophila mojavensis
A male sex pheromone no longer produced represents a decisive mechanism for the evolution of new species
A changing mating signal may initiate speciation in populations of Drosophila mojavensis
A male sex pheromone no longer produced represents a decisive mechanism for the evolution of new species
COVID-19 threatens the entire nervous system
Neurological symptoms may appear before fever or cough
COVID-19 threatens the entire nervous system
Neurological symptoms may appear before fever or cough
Microglia in the olfactory bulb have a nose for protecting the brain from infection
Nervous system cells act as middlemen to stimulate immune system response
Images in neurology: Brain of patient with COVID-19, smell loss
What The Study Did: This case report describes a 25-year-old female radiographer with no significant medical history who had been working in a COVID-19 ward who presented with a mild dry cough that lasted for one day, followed by persistent…