Related Experiment Video
Updated: Jan 26, 2026
15:27
Extracting DNA from the Gut Microbes of the Termite Zootermopsis Angusticollis and Visualizing Gut Microbes
Published on: May 28, 2007
16.0K
Transcriptomic changes during caste development through social interactions in the termite Zootermopsis nevadensis
Hajime Yaguchi1,2, Ryutaro Suzuki1, Masatoshi Matsunami3
1Graduate School of Science and Engineering University of Toyama Toyama Japan.
Ecology and Evolution
|April 10, 2019
Summary
Social insect castes develop through phenotypic plasticity, influenced by social cues and nutrition. This study reveals key gene expression differences between soldier and worker termites, highlighting nutritional signaling in caste determination.
Area of Science:
- * Social insect biology
- * Developmental biology
- * Genomics and transcriptomics
Background:
- * Phenotypic plasticity allows for caste differentiation within social insect colonies.
- * Caste development is influenced by social cues and nutritional intake.
- * Understanding gene expression is crucial for social maintenance and evolution.
Purpose of the Study:
- * To investigate transcriptomic changes related to caste differentiation in *Zootermopsis nevadensis*.
- * To identify key signaling pathways involved in soldier and worker caste development.
- * To explore the role of nutrition in caste determination.
Main Methods:
- * Whole-body RNA sequencing (RNA-seq) analysis of 3rd-instar larvae.
- * Biological replications for robust data.
- * Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses.
Main Results:
- * Significant gene expression differences were observed between soldier- and worker-destined individuals.
- * Key signaling pathways involved in development and social interactions were identified.
- * Nutrient-sensitive signaling pathways were upregulated in soldier-destined individuals, while metabolic pathways were prominent in worker-destined individuals.
Conclusions:
- * Transcriptomic analysis reveals distinct molecular mechanisms underlying caste determination in termites.
- * Nutritional differences significantly influence caste development via specific signaling pathways.
- * Bioinformatic data provides a foundation for further research into the molecular basis of caste formation in social insects.
Related Concept Videos
02:10Social Scripts
10.3K
People tend to know what behavior is expected of them in specific, familiar settings. A script is a person’s knowledge about the sequence of events expected in a specific setting (Schank & Abelson, 1977). Essentially, scripts are a particular kind of schema, one containing default values for the features within an event. In the restaurant example, the script's features include the props (e.g., tables, menu, food, and money), the roles to be played (e.g., customer and waiter),...
10.3K
00:52Social Proof
31.5K
Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
31.5K
02:06Social Exchange Theory
39.5K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
39.5K
01:41Social Traps
26.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
26.3K
01:04Social Facilitation
36.1K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
36.1K
01:37Social Loafing
39.0K
Another way in which a group presence can affect performance is social loafing—the exertion of less effort by a person working together with a group. Social loafing occurs when our individual performance cannot be evaluated separately from the group. Thus, group performance declines on easy tasks (Karau & Williams, 1993). Essentially individual group members loaf and let other group members pick up the slack. Because each individual’s efforts cannot be evaluated,...
39.0K