A Novel Regulator Couples Sporogenesis and Trehalose Biogenesis in Aspergillus nidulans
2007
A New Regulator in Fungal Spore Formation
publication
Evidence: high
Author Information
Author(s): Ni Min, Yu Jae-Hyuk
Primary Institution: University of Wisconsin, Madison, Wisconsin, United States of America
Hypothesis
Can a genetic screen identify novel regulators of sporogenesis in Aspergillus nidulans?
Conclusion
The VosA regulator is essential for the formation of spores and the accumulation of trehalose in Aspergillus nidulans.
Supporting Evidence
- VosA is required for the viability of both asexual and sexual spores.
- Deletion of vosA results in a lack of trehalose in spores and reduced tolerance to heat and oxidative stress.
- VosA localizes in the nucleus of mature conidia and may function as a transcription factor.
Takeaway
This study found that a protein called VosA helps fungi make spores and store a sugar called trehalose, which keeps them alive during tough times.
Methodology
A gain-of-function genetic screen was used to identify the VosA regulator in Aspergillus nidulans.
Digital Object Identifier (DOI)
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