Sequencing and Analysis of the Complete Genome of the Russian Cherry Virus A Isolate
Bibliographic record
Abstract
Abstract Virus diseases of stone fruit crops (Prunus spp.) reduce both fruit yield and quality and shorten the productive life of fruit trees. Cherry virus A (CVA, genus Capillovirus, family Betaflexiviridae) is one of the most common among more than 50 known viruses affecting these crops. A sweet cherry (P. avium) tree of the cultivar Iput with virus-like rugosity symptoms on the leaves was found during a survey of stone fruit collections of the Tsitsin Main Botanical Garden of the Russian Academy of Sciences (Moscow). When studying the virome of this plant using high-throughput sequencing, reads related to CVA were generated, and the complete genome of a new isolate of this virus, named SwC14, was assembled. Typical of capilloviruses, the SwC14 genome contained two open reading frames encoding a viral replicase, a coat protein, and a movement protein. The SwC14 genome sequence was shown to be closest to the genomes of some Canadian sweet cherry CVA isolates (99.4% identity) and 81.4–95.0% identical to isolates from other stone fruit species and other regions of the world, including previously characterized Crimean isolate PTC (82.0% identity). CVA was also detected in six of the seven other symptomless cherry cultivars examined by RT-PCR. This is the first report of a divergent CVA isolate in Central Russia, which expands information on the geographical distribution and genetic diversity of the virus.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".