Characterization of the complete mitochondrial genome and phylogenetic analysis of Amanita franzii (Amanitaceae, Agaricales)

Amanita franzii is a non-lethal species of Amanita sect. Phalloideae belonging to the A. pseudogemmata subclade. In this study, we report its complete mitochondrial genome assembled from Illumina paired-end reads. The mitochondrial genome is 57,020 bp with a GC content of 22.27% and contains 15 conserved PCGs, three putative ORFs, two rRNA genes, and 27 tRNA genes. Phylogenetic analysis based on concatenated mitochondrial PCGs places A. franzii within sect. Phalloideae, where it forms a distinct lineage from the cyclopeptide toxin-producing clade. This study presents the first complete mitochondrial genome of A. franzii and provides a resource for evolutionary studies.