MétaCan
Menu
Back to cohort
Record W4230175592 · doi:10.1128/9781555815554.ch29

<i>Campylobacter</i> Metabolomics

2014· book-chapter· he· W4230175592 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueASM Press eBooks · 2014
Typebook-chapter
Languagehe
FieldBiochemistry, Genetics and Molecular Biology
TopicMetabolomics and Mass Spectrometry Studies
Canadian institutionsInstitute for Biological SciencesUniversity of TorontoInstitute for Marine Biosciences
Fundersnot available
KeywordsMetabolomicsMetabolic pathwayCampylobacter jejuniBiochemistryCampylobacterBiologyMetaboliteBiosynthesisBacteriaMetabolismGeneBioinformaticsGenetics

Abstract

fetched live from OpenAlex

The ultimate goal in metabolomics is to achieve unbiased identification and quantification of all the metabolites in a defined biological system. Much of the work in bacterial metabolomics has involved the study of well-established metabolic pathways such as the tricarboxylic acid cycle, glycolysis, and specific metabolic pathways of microorganisms used in industrial applications. In contrast, the field of Campylobacter metabolomics is very much in its infancy, and considering the lack of information on many of the novel glycoconjugate biosynthesis pathways in Campylobacter, there is much scope to use targeted metabolomics approaches to further define the substrates and genes involved in these metabolic pathways. The main challenges associated with the study of sugar nucleotide metabolites by nuclear magnetic resonance (NMR) have been the instability of the sugar nucleotides and their presence at low concentrations within the bacterial cells. UDP-α-D-QuiNAc4NAc is an important metabolite in the 2,4-diacetamido-bacillosamine biosynthesis pathway, and its accumulation in pseC had not been expected because it has been thought that the inactivation of pseC would lead to an accumulation of a novel precursor directly related to Pse5Ac7Ac biosynthesis. The focused metabolomics studies of flagellin glycosylation in Campylobacter jejuni 81-176 and Campylobacter coli VC167 were extensive and examined unknown gene functions, characterized novel biosynthetic substrates and novel flagellar glycans, and elucidated poorly understood metabolic pathways.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity
Consensus categoriesMeta-epidemiology (narrow)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.919
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0020.001
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.020
GPT teacher head0.233
Teacher spread0.213 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it