Viral susceptibility of newly established cell lines from the Hawaiian monk seal Monachus schauinslandi
Bibliographic record
Abstract
Ten of 11 cell lines, recently established from the snout (MS-SN), periorbital soft tissue (MS-EY), liver (MS-LV), kidney (MS-KD), lung (MS-LG), spleen (MS-SP), heart (MS-HT), thyroid (MS-TY), brain (MS-BR) and urinary bladder (MS-UB) of a juvenile Hawaiian monk seal Monachus schauinslandi, were evaluated in vitro for their susceptibility to 5 mammalian viruses: herpes simplex virus type 1 (HSV-1), vesicular stomatitis virus (VSV), reovirus type 3 (Reo-3), poliovirus type 1 (Polio-1) and vaccinia virus (Vac); 5 fish viruses: channel catfish herpesvirus (CCV), infectious hematopoietic necrosis virus (IHNV), infectious pancreatic necrosis virus (IPNV), fish rhabdovirus carpio (RC) and viral hemorrhagic septicemia virus (VHSV); and 2 marine mammal morbilliviruses: phocine distemper virus (PDV) and dolphin distemper virus (DMV). Four well-established continuous cell-lines of nonhuman primate (Vero) and fish (EPC, CHSE-214 and BB) origin served as controls to standardize the virus infectivity assays. Virus yields were quantified as 50% tissue culture infectious dose (TCID50) ml(-1) on Day 7 post-inoculation. Results of the viral challenge assays revealed that the monk seal cell lines shared a similar pattern of susceptibility to the mammalian viruses. Despite their different tissue origins, all monk seal cells were sensitive to HSV-1, Vac, VSV and Reo-3, but were refractory to Polio-1. A characteristic viral-induced cytopathic effect was noted with VSV and Reo-3, and distinct plaques were observed for HSV-1 and Vac. Monk seal cell lines were also susceptible to PDV and DMV, 2 morbilliviruses isolated from seals and dolphins, respectively. By contrast, these cell lines were generally resistant to VHSV, IHNV and IPNV, with varying susceptibility to RC and CCV. The wide range of viral susceptibility of these monk seal cell lines suggests their potential value in studying viruses of monk seals and other marine mammals.
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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 | 0.000 | 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) | 0.001 | 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".