signal molecule


Also found in: Medical.

signal molecule

[′sig·nəl ‚mäl·ə‚kyül]
(biochemistry)
A molecule produced by a signaling cell.
References in periodicals archive ?
Instead, they were more like marbles, creating clefts between cells where the signal molecule could be trapped, therefore altering the selection of migrating cells and the start of the cell migration process.
These bacteria communicate via the signal molecule dialkylresorcinol, which recognised the associated LuxR receptor.
Researchers at Karolinska Institutet show that the signal molecule TGF-beta acts as a time signal that regulates the nerve stem cells' potential at different stages of the brain's development, knowledge that may be significant for future pharmaceutical development.
The mechanism through which QS signals work is by activating gene expression upon interaction of a QS signal molecule with a receptor protein.
The volume is divided into five sections covering the nitrogen cycle, plant-soil microbe interactions, epi- and endo-phytic microbes, arthropods, and environmental signaling in nitrogen acquisition, and individual papers address topics such as actinorhizal symbioses, plant defense proteins, flavinoids in legume-rhizobia interactions, and nitric oxide as a signal molecule in bacteria-plant interactions.
Nitric Oxide is a ubiquitous signal molecule which has a role in regulating airway muscle tone, vasodilatation, ventilation and perfusion relationships, neuro-signaling, epidural defense, erectile function and stem cell differentiation.
However, a single bacterial species can use more than one signal molecule, and it may respond to each molecule in a different manner.
Mr Furchgott, a pharmacologist at the State University of New York in Brooklyn, established in 1980 that blood vessels dilate, or become wider, because their surface cells - the endothelium - produce an unknown signal molecule that makes their smooth mu scle cells relax.
Washington, June 4 (ANI): A new study has shed light on why the normally transient inflammatory response is not turned off and becomes chronic, secreting a signal molecule that promotes atherosclerosis.
London, June 29 (ANI): Scientists at Imperial College London say that blocking a signal molecule made by the human body, which triggers the immune system into action, may make it possible to develop more effective treatments for rheumatoid arthritis.
Such a signal molecule has not yet been identified.
Adenosine is a naturally occurring signal molecule that acts at multiple adenosine receptor subtypes (specialized proteins at the cell surface) to modulate key cellular functions.