Sentences with phrase «with chemical signaling»

In the first study of its kind, Rice University scientists have used synthetic biology to study how a popular soil amendment called «biochar» can interfere with the chemical signals that some microbes use to communicate.
Drugs work by interfering with the chemical signals that pass between neurons.

Not exact matches

How does matter (molecular structures and electro - chemical signals) create with purpose?
Even if you forget mammals and stay with insects, they have around 15,000 genes, and their symmetry, and the cartilege joint system is staggeringly complex, as are the eyes and the chemical signalling systems.
Vitamin B6 is a vital nutrient that helps with the production of several neurotransmitters; chemicals that carry signals from one nerve cell to another.
Based on this Varendi et al (1994) stated that unnecessary routine cleaning of the breast may interfere with the establishment of successful early breastfeeding by elimination of the infant's access to biologically relevant chemical signals.
When you or your child comes in contact with egg proteins, immune system cells (antibodies) recognize them and signal the immune system to release histamine and other chemicals that cause allergic signs and symptoms.
One of the most prominent was Senate Majority Leader Mitch McConnell, who on Friday tweeted out his support for Trump's strike, writing, «This was a clear signal from America that Bashar al Assad can no longer use chemical weapons against his own people with impunity.»
With an existing method, they used specific chemical signals to «guide» the stem cells into becoming cells that have the potential to become sperm.
For some years now, a new class of drugs called antibody - drug conjugates (ADCs) have been used, which work in two ways: they consist of an antibody that binds selectively to the tumor cell receptor and interrupts the signal to propagate; they also act as a transport vehicle for a chemical substance that enters the cancer cells with the antibody and triggers their death.
Perhaps the beetles excreted some kind of chemical signal that combined with the tree's tissues to form an irresistible scent for other beetles.
Bees communicate in large part through chemical pheromones, with different odors signaling everything from alarm to an individual bee's status.
The new study, published online this month in the journal Environmental Science and Technology, is the first to examine how biochar affects the chemical signaling that's routinely used by soil microorganisms that interact with plants.
But healthy lobsters were one fourth as likely to share dens with infected lobsters than with healthy ones — even before the sickies became contagious — probably because of chemical signals.
King hypothesizes that proteins that the single - celled ancestors of animals used to interact with the extracellular environment — to capture bacterial prey by binding to their cell surface and to detect chemical signals — were later repurposed to enable cells to stick to and talk to each other.
Jennifer Barone wrote about how plants detect and respond to changes in the world around them and even communicate with their neighbors through chemical signals.
However, in people with asthma, the M2 cells and the chemical signals they emit linger and call in other cells that cause inflammation that can trigger an asthma attack with the classic symptoms of difficulty breathing, wheezing and shortness of breath.
The second gene, TNFRSF6B, encodes a receptor related to those that bind tumor necrosis factor (TNF)-- a key chemical signal for triggering inflammation in IBD as well as in patients with other autoimmune disorders such as rheumatoid arthritis and psoriasis.
In the hippocampus and the amygdala, areas of the brain thought to be associated with episodic memory, researchers had shown that the chemical signaling agent called glutamate acts like a key in the lock of some of these protein «flood gates.»
That signaled that the water and minerals in the surrounding sandstone had reached a chemical equilibrium with the injected seawater far more quickly than anticipated — in two years rather than a century.
At a critical threshold of the incoming light's intensity, the signal is exponentially amplified, and the laser light imprinted with the chemical's signature emerges from the sample in all directions.
When a T cell detects one, it morphs into a fighting machine, zapping invaders with lethal chemicals, multiplying into an army of identical killers or signaling other immune - system troops to join the attack.
In soil, in the spaces between our teeth, along the stinky edges of hot springs, bacteria are using chemical signals to network with relatives, negotiate with allies and deter enemies — and why shouldn't they?
While teams used a variety of engineering strategies to enhance their cells» chemotactic ability, the most successful cells were an adapted version of Dicty with increased activity of a particular protein, Ric8, that enhanced G - protein signaling, helping chemotaxis in shallow chemical gradients.
Researchers at Bonn University, together with collaborators from the Sainsbury Laboratory in Norwich, identified a protein that allows plants to recognize a chemical signal from the worm and initiate immune responses against the invaders.
In this rewriting of the textbooks, a tumor is not just a clump of aberrant cells; it also includes a support system, a tumor microenvironment, which encompasses a multitude of varying immune cell types and crisscrossing chemical signals, along with a network of blood vessels.
Among the issues to be resolved there would be, for example, how to identify the environmental factors that control the production of aggressive morphs; what costs and benefits interaction involves for each participant; the taxonomic status of the deceit and the variability level in the chemical signal used for misleading ants; or what happens with related aphid species which also relate with ants.
Bacterial cells communicate with one another by using chemical signal molecules, which they synthesize and secrete into their surroundings.
Years of studies have determined that each individual constantly senses its environment and continuously sends out chemical signals to communicate with its neighbors about the choices it is making.
For the study, the Bohn worked closely with TSRI chemist Thomas Bannister, PhD, to develope new potential drug molecules; they then tweaked their chemical structures to systematically vary the «bias» between the two pathways — G protein signaling and beta - arrestin recruitment.
Although the scientists can't assume hospitalization is directly causing suicide, they say their work backs up a hot theory that inflammation — one of the body's main defenses against infection — influences depression by generating a chemical that interferes with brain signaling.
To test this type of communication in a 3 - D structure, they printed a thin sheet of hydrogel filaments with «input,» or signal - producing bacteria and chemicals, overlaid with another layer of filaments of an «output,» or signal - receiving bacteria.
We also fed the predators in these compartments with larvae so that they produced chemical signals indicative of predation which could be detected by the larvae in the experiment,» Orizaola explains.
«These bacteria represent some of the simplest life - forms,» Blackwell says, «and yet they are constantly signaling one another with chemicals, much the way animals and insects shoot out pheromones.»
Receptors facilitate chemical and electrical signals between neurons in the brain, allowing those neurons to communicate with each other.
A chemical interaction with target molecules subtly alters the magnetic signal from the xenon; by detecting this change researchers can identify the molecules in a complex mixture.
Mantis shrimp, often brightly colored and fiercely aggressive sea creatures with outsized strength, use the ultraviolet reflectance of their color spots as well as chemical signals to assess the likelihood of victory in combat, according to research led by a Tufts University doctoral candidate.
«Plants and their microbial neighbors have this beautifully complex and intricate system of communicating through chemical signals, with each trying to manipulate the situation to maximize their own fitness,» Bais says.
The effect could even be passed from one animal to another with a blood transfusion, suggesting that the squeezed limb released some sort of beneficial chemical signal into the blood.
Some of the pinpointed genes are known to be involved in the function of synapses, tiny connectors that allow brain cells to communicate with each other through electrical and chemical signals.
The webs contain a chemical, secreted with the silk, that signals their owners» sex and which is released into the air.
Looking forward, the researchers are now hoping to examine other Ediacaran sediments from around the globe to verify the rapid reversals» signal, along with hunting for biological or chemical evidence for high doses of UV radiation in the fossil record.
Stimulating excitatory cells with chemicals or electric pulses causes them to fire, or send electrical signals of their own to neighboring neurons.
HAIRS all over the body use the same two chemical signalling pathways to communicate with each other — a finding that might help treat baldness.
Various previous studies had shown that epigenetic remodeling of DNA by methylation or demethylation led to changes located in synapses, where one neuron communicates with another by chemical or electrical signals sent across a small gap.
«We've analyzed epigenetic alterations, namely the chemical signal called DNA methylation in 500 breast tumors and have compared the patterns obtained with the clinical behavior of these cancers,» says Esteller.
And there's some evidence of similarly disrupted patterns of chemical signalling in the brains of people with sleep disorders and ADHD.
Neurons communicate with each other through chemical and electrical signals that can be excitatory (activating) or inhibitory (deactivating), depending on their class: Pyramidal cells are excitatory neurons whilst interneurons are inhibitory.
Depression is associated with a multitude of pathological processes, including inflammation of the peripheral immune system, a set of biological structures and processes in the lymph nodes and other tissues that protect against disease and abnormalities involving synapses, the structures that permit neurons to pass an electrical or chemical signal to other neurons.
Dopamine, long reputed to be the brain chemical that signals pleasure, turns out to have more to do with wanting than with liking.
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