Chromosome-level genome assembly of a doubled haploid brook trout ( <i>Salvelinus fontinalis</i> )
Bibliographic record
Abstract
Abstract Brook trout ( Salvelinus fontinalis ) is a socioeconomically important fish species for fisheries, aquaculture and aquatic conservation. We produced a 2.5 Gb reference assembly by combining Hi-C chromosome conformation capture with high-coverage short- and long-read sequencing of a fully homozygous mitotic gynogenic doubled haploid fish, which facilitates assembly of highly complex salmonid genomes. The assembly has a N50 of 50.98 Mb and 88.9% of the total assembled sequence length is anchored into 42 main chromosomes, of which 63.44% represents repeated contents, including 1,461,010 DNA transposons. 56,058 genes were found with the NCBI annotation pipeline, with 99% of the 3,640 expected conserved orthologs BUSCO genes (actinopterygii_odb10 lineage database). Additionally, we found significant homology within the 42 chromosomes, as expected for this pseudo-tetraploid species, as well as with the sister species lake trout ( Salvelinus namaycush ) and Atlantic salmon ( Salmo salar ). This assembly will serve as a reliable genomic resource for brook trout, thus enabling a wider range of reference-based applications to support ongoing research and management decision-making for the species.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".