Dataset Information

The complete mitochondrial genome of the poisonous mushroom Trichoderma cornu-damae (Hypocreaceae).

ABSTRACT: Trichoderma cornu-damae is a poisonous mushroom that contains trichothecene mycotoxins. The complete mitochondrial genome of this mushroom was determined using next-generation sequencing. This mitogenome is a circular molecule 94,608 bp in length with a GC content of 27.94% and contains 15 protein-coding genes, two rRNA genes (rnl and rns), and 25 tRNA genes. Phylogenetic analysis placed T. cornu-damae in the family Hypocreaceae group, which includes the genus Trichoderma. The mitogenome of T. cornu-damae will contribute to our understanding of the phylogeny, taxonomy, and population genetics of this mushroom.

SUBMITTER: Lee HY

PROVIDER: S-EPMC9639550 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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The complete mitochondrial genome of the poisonous mushroom Trichoderma cornu-damae (Hypocreaceae).

Lee Hwa-Yong HY Jo Jong Won JW Kwak Young-Nam YN Lee Hyun H Ryu Hojin H Sung Jwakyung J So Yoon-Sup YS Kim Chang-Sun CS Chung Jong-Wook JW

Mitochondrial DNA. Part B, Resources 20221104 11

Trichoderma cornu-damae is a poisonous mushroom that contains trichothecene mycotoxins. The complete mitochondrial genome of this mushroom was determined using next-generation sequencing. This mitogenome is a circular molecule 94,608 bp in length with a GC content of 27.94% and contains 15 protein-coding genes, two rRNA genes (rnl and rns), and 25 tRNA genes. Phylogenetic analysis placed T. cornu-damae in the family Hypocreaceae group, which includes the genus Trichoderma. T ...[more]

PMID: 36353061

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Project description:Ganoderma lucidum is one of the well-known medicinal basidiomycetes worldwide. The mitochondrion, referred to as the second genome, is an organelle found in most eukaryotic cells and participates in critical cellular functions. Elucidating the structure and function of this genome is important to understand completely the genetic contents of G. lucidum. In this study, we assembled the mitochondrial genome of G. lucidum and analyzed the differential expressions of its encoded genes across three developmental stages. The mitochondrial genome is a typical circular DNA molecule of 60,630 bp with a GC content of 26.67%. Genome annotation identified genes that encode 15 conserved proteins, 27 tRNAs, small and large rRNAs, four homing endonucleases, and two hypothetical proteins. Except for genes encoding trnW and two hypothetical proteins, all genes were located on the positive strand. For the repeat structure analysis, eight forward, two inverted, and three tandem repeats were detected. A pair of fragments with a total length around 5.5 kb was found in both the nuclear and mitochondrial genomes, which suggests the possible transfer of DNA sequences between two genomes. RNA-Seq data for samples derived from three stages, namely, mycelia, primordia, and fruiting bodies, were mapped to the mitochondrial genome and qualified. The protein-coding genes were expressed higher in mycelia or primordial stages compared with those in the fruiting bodies. The rRNA abundances were significantly higher in all three stages. Two regions were transcribed but did not contain any identified protein or tRNA genes. Furthermore, three RNA-editing sites were detected. Genome synteny analysis showed that significant genome rearrangements occurred in the mitochondrial genomes. This study provides valuable information on the gene contents of the mitochondrial genome and their differential expressions at various developmental stages of G. lucidum. The results contribute to the understanding of the functions and evolution of fungal mitochondrial DNA.

Dataset Information

The complete mitochondrial genome of the poisonous mushroom Trichoderma cornu-damae (Hypocreaceae).

Publications

The complete mitochondrial genome of the poisonous mushroom <i>Trichoderma cornu-damae</i> (Hypocreaceae).

Similar Datasets

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