Multiple plant hormone catabolism activities: an adaptation to a plant‐associated lifestyle by <i>Achromobacter</i> spp.
Why this work is in the frame
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Bibliographic record
Abstract
Elaborating the plant hormone catabolic activities of bacteria is important for developing a detailed understanding of plant-microbe interactions. In this work, the plant hormone catabolic and plant growth promotion activities of Achromobacter xylosoxidans SOLR10 and A. insolitus AB2 are described. The genome sequences of these strains were obtained and analysed in detail, revealing the genetic mechanisms behind its multiple plant hormone catabolism abilities. Achromobacter strains catabolized indoleacetic acid (IAA) and phenylacetic acid (PAA) (auxins); salicylic acid (SA) and its precursor, benzoic acid (BA); and the ethylene precursor 1-aminocyclopropane-1-carboxylate (ACC). The inoculation of cucumber plants resulted in increased plant growth and development, indicating the beneficial properties of SOLR10 and AB2 strains. Genomic analysis demonstrated the presence of IAA, PAA and BA degradation gene clusters, as well as the nag gene cluster (SA catabolism) and the acdS gene (ACC deaminase), in the genomes of strains SOLR10 and AB2. Additionally, detailed analysis revealed that plant hormone catabolism genes were commonly detected in the Achromobacter genus but were mostly absent in the Bordetella genus, consistent with the notion that Achromobacter evolved in soils in close association with its plant hosts.
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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) | 0.000 | 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) | 0.003 | 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 it