Genome and Comparative Transcriptome Dissection Provide Insights into Molecular Mechanisms of Sclerotium Formation in Culinary-Medicinal Mushroom Pleurotus tuber-regium
- Author: mycolabadmin
- 2022-02-17
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Summary
This research examined the genetic basis of how the medicinal mushroom Pleurotus tuber-regium forms its dense, nutrient-rich structures called sclerotia. By analyzing the mushroom’s genome and gene expression patterns, scientists identified key genes involved in this developmental process. This provides important insights into how medicinal mushrooms produce their beneficial compounds.
Impacts on everyday life:
– Helps improve cultivation methods for this nutritious and medicinal mushroom
– Advances understanding of how to optimize production of natural medicines
– Provides foundation for developing enhanced mushroom strains with better medicinal properties
– Could lead to more efficient production of mushroom-based food ingredients and supplements
– Contributes to preserving traditional medicinal knowledge through modern scientific validation
Background
Pleurotus tuber-regium is an edible and medicinal mushroom that produces sclerotia with various culinary and medicinal applications. The sclerotia serve as food ingredients and folk medicine remedies for ailments like headache, stomach pain, fever and cold. While research has focused on nutritive values and bioactive compounds, the molecular mechanisms underlying sclerotium formation were not well understood.
Objective
To investigate the molecular mechanisms of sclerotium formation in P. tuber-regium through genome sequencing and comparative transcriptome analysis using RNA sequencing (RNA-seq).
Results
The assembled genome was 35.82 Mb with a N50 scaffold size of 4.29 Mb and encoded 12,173 putative proteins. Expression analysis revealed 1,146 upregulated and 1,249 downregulated genes during sclerotia formation. The differentially expressed genes were associated with substrate decomposition, oxidation-reduction processes, cell wall synthesis, and other biological processes.
Conclusion
The study provided genomic and transcriptomic resources that offer insights into the genetic basis and molecular mechanisms underlying sclerotium formation in P. tuber-regium. Key genes involved in carbohydrate metabolism, oxidative stress response, and cell wall proteins were identified as important factors in sclerotial development.
- Published in:Frontiers in Microbiology,
- Study Type:Genomic and Transcriptomic Analysis,
- Source: 10.3389/fmicb.2021.815954