chemorepellent activity

Definition

Target type: molecularfunction

Providing the environmental signal that initiates the directed movement of a motile cell or organism towards a lower concentration of that signal. [GOC:ai]

Chemorepellent activity refers to the ability of a molecule to repel or deter organisms, usually by triggering an avoidance response. This function is crucial for various biological processes, including:

* **Defense against predators:** Chemorepellents act as a deterrent against predators, allowing organisms to avoid being eaten.
* **Protection from pathogens:** Chemorepellents can repel pathogens like bacteria and fungi, protecting organisms from infection.
* **Navigation and foraging:** Chemorepellents can help organisms navigate their environment and find food sources.
* **Social interactions:** Chemorepellents play a role in communication and social interactions, allowing organisms to recognize and avoid potential threats.

The molecular mechanisms underlying chemorepellent activity are diverse and can involve various processes, including:

* **Binding to chemoreceptors:** Chemorepellents often bind to specific receptors on the cell surface, triggering a signal transduction cascade that leads to an avoidance response.
* **Modulation of ion channels:** Some chemorepellents can directly modulate ion channels, altering membrane potential and causing an avoidance reaction.
* **Release of signaling molecules:** Chemorepellents can trigger the release of other signaling molecules, such as neurotransmitters, that contribute to the avoidance response.

Overall, chemorepellent activity is a fundamental biological function that plays a critical role in the survival and success of organisms.'
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Proteins (2)

Compounds (279)