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Salk Institute


Unleashing the power of AI to track animal behavior

GlowTrack, a non-invasive movement tracking method using fluorescent dye markers, improves the capture of diverse movements in laboratories. This technique enables easier comparison of movement data between studies, increasing scientific discovery and advancing fields like biology, robotics, and medicine.

SourceSalk Institute·JournalNature Communications·DateSep 26, 2023

Why we lose fat and muscle during infection

Researchers found that CD4+ T cells initiate fat wasting, while CD8+ T cells induce muscle wasting, which surprisingly helps the mice fight infection and survive. The study sheds light on the complex relationship between immune cells and wasting responses.

SourceSalk Institute·JournalCell Reports·DateJul 24, 2023

Preying on hungry, anxious worms

In a new study, Salk Institute scientists discovered that dopamine regulates anxious worm behavior in the presence of nipping predators. The findings illuminate how this dopamine-regulated brain pathway may be related to anxiety and could provide insight into human conditions like PTSD.

SourceSalk Institute·JournaleLife·TypeExperimental study·DateJul 11, 2023

All the immunity, none of the symptoms

Researchers found that an iron-rich diet can prevent deadly symptoms in mice during active infection, while a functional adaptive immune system is required for immunity against future infections. The study paves the way for the development of new vaccines that could promote immunity for those with diarrheal diseases.

SourceSalk Institute·JournalScience Advances·TypeExperimental study·DateJun 23, 2023

Seeing the insides of plants in 3D

A new technology called PHYTOMap allows researchers to study dozens of genes simultaneously without genetic manipulation, providing insights into plant responses to climate change. The method has the potential to improve crop resiliency and inform agriculture optimization.

SourceSalk Institute·JournalNature Plants·TypeImaging analysis·DateJun 12, 2023

New way to model human brain immune cells

Researchers create a human-brain-like environment to study microglia development and function for the first time in living human-derived tissue. The findings suggest that brain environment influences microglia development and function, particularly in diseases such as autism spectrum disorder and Alzheimer's disease.

SourceSalk Institute·JournalCell·DateMay 11, 2023

Mitochondria power-supply failure may cause age-related cognitive impairment

Researchers at Salk Institute discover that dysfunctional mitochondria at synapses fail to meet energetic demand, supplying either too much or too little power and potentially causing working memory impairment with age. Adherence to the ultrastructural size principle is essential for avoiding cognitive decline in aging brains.

SourceSalk Institute·JournalFrontiers in Aging Neuroscience·TypeExperimental study·DateApr 12, 2023

Not all itches are the same, according to the brain

Researchers at Salk Institute discover that mechanical and chemical itch sensations are encoded by different brain pathways, which act together to drive chronic itch. The study reveals key molecules regulating these pathways and opens avenues for new therapies.

SourceSalk Institute·JournalNeuron·TypeExperimental study·DateApr 5, 2023

Microprotein increases appetite in mice

Researchers at Salk Institute discover thousands of previously unknown microproteins in brown and white fat tissue, finding that one, Gm8773, increases feeding activity in mice. This discovery could lead to the development of a therapeutic to promote weight gain in certain disease situations.

SourceSalk Institute·JournalCell Metabolism·DateJan 3, 2023

How light and temperature work together to affect plant growth

A recent study published in Nature Communications has revealed that PIF7 and auxin proteins accelerate plant growth when exposed to warm temperatures and canopy shade. This discovery will help scientists predict how plants respond to climate change and increase crop productivity, enabling the development of more resilient crops.

SourceSalk Institute·JournalNature Communications·DateAug 29, 2022

Discovery advances potential of gene therapy to restore hearing loss

A study published in Molecular Therapy — Methods & Clinical Development shows that delivering the protein EPS8 via gene therapy can rescue malfunctioning inner ear hair cells that transduce sound. In mice affected by recessive deafness, EPS8 increases stereocilia length and restores hair cell function.

SourceSalk Institute·JournalMolecular Therapy — Methods & Clinical Development·DateAug 5, 2022

Making a memory positive or negative

Salk researchers identify neurotensin as a key molecule in the brain's valence assignment process, which associates good or bad feelings with memories. The discovery could lead to a better understanding of why some people retain more negative emotions than positive ones, and may pave the way for new therapeutic targets.

SourceSalk Institute·JournalNature·DateJul 20, 2022

The best offense is a great defense for some carnivorous plants

Researchers discovered that plant carnivory evolved from calcium molecules' dynamic movement within cells in response to touch from live prey. This finding broadens our understanding of how plants interact with their environments and may lead to the development of crops that can survive in challenging conditions.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateJul 11, 2022

Why hungry worms take risks

Researchers used worms to study how hunger signals in the gut communicate with the brain, leading to riskier behavior. The findings suggest that proteins in intestinal cells move dynamically to transmit signals about hunger, driving worms to cross toxic barriers.

SourceSalk Institute·JournalPLOS Genetics·TypeExperimental study·DateMay 5, 2022