Mitogenome evolution in <i>Trichoderma afroharzianum</i> strains: for a better understanding of distinguishing genus
Bibliographic record
Abstract
Trichoderma afroharzianum ( Hypocreales) is known as an important mycoparasite and biocontrol fungus and feeds on fungal material by parasitizing other fungi. Recent studies indicate that this species is also an ear rot pathogen in Europe. Here, the complete mitochondrial genome of three T. afroharzianum strains was sequenced using next-generation sequencing and comparatively characterized by the reported Trichoderma mitogenomes. T. afroharzianum mitogenomes were varying between 29 511 bp and 29 517 bp in length, with an average A + T content of 72.32%. These mitogenomes contain 14 core protein coding genes (PCGs), 22 tRNAs, two rRNAs, one gene encoding the ribosomal protein S3, and three or four genes including conserved domains for the homing endonucleases (HEGs; GIY-YIG type and LAGLIDADG type). All PCGs are initiated by ATG codons, except for atp8, and all are terminated with TAA. A significant correlation was observed between nucleotide composition and codon preference. Four introns belonging to the group I intron class were predicted, accounting for about 14.54% of the size of the mitogenomes. Phylogenetic analyses confirmed the positions of T. afroharzianum strains within the genus of Trichoderma and supported a sister group relationship between T. afroharzianum and T. simmonsii. The recovered trees also supported the monophyly of all included families and of the genus of Acremonium. The characterization of mitochondrial genome of T. afroharzianum contributes to the understanding of phylogeny and evolution of Hypocreales.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".