Adenovirus serotype 26 utilises sialic acid bearing glycans as a primary cell entry receptor
Bibliographic record
Abstract
Abstract Adenoviruses are clinically important agents. They cause respiratory distress, gastroenteritis, and epidemic keratoconjunctivitis (EKC). As non-enveloped, double stranded DNA viruses, they are easily manipulated, making them popular vectors for therapeutic applications, including vaccines. Species D adenovirus serotype 26 (HAdV-D26) is both a cause of EKC and other disease, and a promising vaccine vector. HAdV-D26 derived vaccines are under investigation as protective platforms against HIV, Zika, RSV infections and are in Phase-III clinical trials for Ebola. We recently demonstrated that HAdV-D26 does not utilise CD46 or desmoglein 2 as entry receptors, whilst the putative interaction with Coxsackie and Adenovirus Receptor (CAR) is low affinity and unlikely to represent the primary cell receptor. Here, we definitively establish sialic acid as the primary entry receptor utilised by HAdV-D26. We demonstrate removal of cell surface sialic acid inhibits HAdV-D26 infection and provide a high-resolution crystal structure of HAdV-D26 fiber-knob in complex with sialic acid.
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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 | 0.001 |
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".