Complete mitochondrial genome sequence of Gymnopilus junonius

Area of Science:

• Mycology
• Genomics
• Phylogenetics

Background:

• Gymnopilus junonius is a globally distributed, poisonous mushroom.
• It is known to contain bioactive compounds, including the hallucinogen psilocybin.
• Understanding its genetic makeup is crucial for fungal classification.

Purpose of the Study:

• To sequence and analyze the complete mitochondrial genome of Gymnopilus junonius.
• To determine the phylogenetic position of G. junonius within its genus and related genera.
• To provide genomic data for future studies on fungal evolution and bioactive compound production.

Main Methods:

• Whole-genome sequencing of the mitochondrial DNA.
• Bioinformatic analysis of the mitochondrial genome, including gene content and GC content.
• Phylogenetic analysis using the mitochondrial genome sequence to construct a phylogenetic tree.

Main Results:

• The mitochondrial genome of G. junonius is a circular DNA molecule of 161,145 bp.
• It contains 15 protein-coding genes, 24 transfer RNA genes, and 2 ribosomal RNA genes.
• The guanine-cytosine content was determined to be 31.56%.

Conclusions:

• The mitochondrial genome sequence provides a valuable resource for understanding G. junonius.
• Phylogenetic analysis based on mitochondrial DNA clarifies the evolutionary relationships of G. junonius.
• This study contributes to the genomic database of poisonous fungi and aids in fungal systematics.