The Role Of Lipopolysaccharide Modification By Amino Arabinose In Extreme Polymyxin Resistance In Serratia Marcescens
Bibliographic record
Abstract
Lipopolysaccharide (LPS) modification is a key mechanism that bacteria use to resist the action of antimicrobial peptides such as polymyxins. Serratia marcescens, in particular, has been known to develop extreme resistance to polymyxins due to the modification of its LPS with aminoarabinose. This essay aims to clarify the role of aminoarabinose in extreme polymyxin resistance in Serratia marcescens by evaluating the literature on this topic. The results suggest that aminoarabinose modification plays a crucial role in conferring resistance to polymyxins in this bacterium by altering the interaction between LPS and the polymyxin molecule. This finding provides valuable insights into the mechanisms of polymyxin resistance and may guide the development of new strategies to combat multidrug-resistant.
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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) | 0.000 | 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 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".