Related Experiment Video
Updated: Jan 30, 2026

03:29
Author Spotlight: Advancing Therapeutics to Treat Vibriosis in Humans and Aquatic Organisms
Published on: May 31, 2024
949
[THE ROLE OF QUORUM-SENSING IN REGULATION OF FORMATION OF BIO- FILMS BY VIBRIO CHOLERAE]
Summary
Quorum-sensing regulates communication in Vibrio cholerae via autoinducers. This process activates genes essential for biofilm formation, aiding bacterial survival and spread.
Area of Science:
- Microbiology
- Bacterial Communication
Background:
- Quorum-sensing (QS) is a critical cell-to-cell communication system in bacteria.
- Vibrio cholerae utilizes QS to regulate various physiological processes.
Purpose of the Study:
- To present materials on quorum-sensing in Vibrio cholerae.
- To elucidate the role of QS in inter-cellular communication and biofilm formation.
Main Methods:
- Review of existing literature on quorum-sensing mechanisms.
- Analysis of autoinducer-mediated signaling pathways.
Main Results:
- Quorum-sensing is the primary regulator of inter-cellular communication in V. cholerae.
- Autoinducers mediate information transmission between individual V. cholerae cells.
- QS facilitates gene activation crucial for biofilm development.
Conclusions:
- Quorum-sensing is essential for V. cholerae survival and dissemination.
- Biofilm formation, regulated by QS, enhances V. cholerae's environmental persistence.
Related Concept Videos
Gene Regulation in Microbial Communities: Quorum Sensing
582
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
582
The Sense of Self: Reflected Self-Appraisal and Social Comparison
56.0K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
56.0K
Regulated Protein Degradation
8.8K
It is vital to regulate the activity of enzymatic as well as non-enzymatic proteins inside the cell. This can be achieved either through creating a balance between their rate of synthesis and degradation or regulating the intrinsic activity of the protein. Both these regulation mechanisms play an essential role in the normal functioning of cells.
Protein degradation plays two important roles in the cells. It helps to protect cells from misfolded or damaged proteins before they lead to a...
Protein degradation plays two important roles in the cells. It helps to protect cells from misfolded or damaged proteins before they lead to a...
8.8K
Introduction to Special Senses
7.5K
Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...
7.5K
Epigenetic Regulation
33.7K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
33.7K
GTPases and their Regulation
9.8K
Guanine nucleotide-binding proteins (G-proteins), also known as GTPases, are a superfamily of proteins that regulate many cellular processes, such as cell signaling, vesicular transport, and the regulation of cell shape and motility. Mutation or dysfunction of these proteins can lead to disease. There are around 40,000 known G-proteins that can broadly be classified into two groups ‒ small G-proteins consisting of a single domain and large multi-domain G-proteins.
Large G-proteins,...
Large G-proteins,...
9.8K

