Complete genome sequence analysis of temperate <i>Erwinia</i> bacteriophages 49 and 59
Why this work is in the frame
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Bibliographic record
Abstract
To date, a small number of temperate phages are known to infect members of the genus Erwinia. In this study, the genomes of temperate phages vB_EhrS_49 and vB_EhrS_59 infecting Erwinia horticola, the causative agent of beech black bacteriosis in Ukraine, were sequenced and annotated. Their genomes reveal no significant similarity to that of any previously reported viruses of Enterobacteriaceae. At the same time, phages 49 and 59 share extensive nucleotide sequence identity across the regions encoding head assembly, DNA packaging, and lysis. Despite significant homology between structural modules, the organization of distal tail morphogenesis genes is different. Furthermore, a number of putative morons and DNA methylases have been found in both phage genomes. Due to the revealed synteny as well as the structure of lysogeny module, phages 49 and 59 are suggested to be novel members of the lambdoid phage group. Conservative structural genes together with varying homology across the nonstructural region of the genomes make phages 49 and 59 highly promising objects for studying the genetic recombination and evolution of microbial viruses. The obtained data may as well be helpful for better understanding of relationships among Erwinia species.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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) | 0.005 | 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 it