Sucrose Utilization in Budding Yeast as a Model for the Origin of Undifferentiated Multicellularity
2011
How Yeast Cells Benefit from Sticking Together
Sample size: 60
publication
10 minutes
Evidence: high
Author Information
Author(s): John Koschwanez, Kevin Foster, Andrew Murray
Hypothesis
Do multicellular groups of yeast have an advantage in nutrient utilization compared to single cells?
Conclusion
Clumped yeast cells can access significantly more nutrients than dispersed cells, allowing them to grow in low-sugar environments.
Supporting Evidence
- Clumped yeast cells can access almost ten times as much monosaccharide as single cells.
- Clumped cells could grow in low sucrose concentration while dispersed populations could not.
- The beneficial effect of clumping was dependent on invertase production and secretion.
Takeaway
When yeast cells stick together, they can share food better and grow even when there's not much sugar around.
Methodology
The authors used modeling and experiments to compare the growth of clumped versus dispersed yeast cells under low sucrose conditions.
Limitations
The study primarily focuses on a specific environmental condition and may not generalize to all scenarios.
Participant Demographics
Yeast cells were used as the model organism.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website