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<i>Delftia</i>

2015· other· en· W4241316628 on OpenAlexaff
Lindsay I. Sly, Aimin Wen, Mark Fegan

Bibliographic record

VenueBergey's Manual of Systematics of Archaea and Bacteria · 2015
Typeother
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicBacterial biofilms and quorum sensing
Canadian institutionsAgriculture and Agri-Food Canada
Fundersnot available
KeywordsBiochemistryBiologyFatty acidChemistry

Abstract

fetched live from OpenAlex

Abstract Delf'tia. M.L. fem. n. Delftia referring to the city of Delft, the site of isolation of the type species, and in recognition of the role of Delft research groups in the development of bacteriology. Cells are straight to slightly curved rods , 0.4–0.8 × 2.5–4.1 µm (occasionally up to 7 µm), occurring singly or in pairs . Motile by means of polar or bipolar tufts of one to five flagella . Do not produce endospores. Gram negative. Oxidase and catalase positive . No fluorescent pigment produced. Poly‐β‐hydroxybutyrate is accumulated. Aerobic , having a strictly respiratory type of metabolism with oxygen as the terminal electron acceptor. Nonfermentative. Reduce nitrate to nitrite. Do not denitrify. Chemoorganotrophic . Good growth occurs on media containing organic acids, amino acids, peptone, and carbohydrates. Utilize mannitol and fructose as the sole carbon source, but not glucose. No autotrophic growth with H 2 . Hydrolyze acetamide. No levan formation from sucrose. Arginine dihydrolase absent. Meta cleavage of protocatechuate. Lipase (Tween 80 hydrolysis) positive. Main polyamines are putrescine and 2‐hydroxyputrescine . The major quinone is ubiquinone Q‐8 ; minor quinones are Q‐7 and Q‐9. Major fatty acids are hexadecanoic acid (C 16:0 ), hexadecenoic acid (C 16:1 ), and octadecenoic acid (C 18:1 ). 3‐hydroxy fatty acids (C 10:0 3OH and C 8:0 3OH ) but not 2‐hydroxy fatty acids are present. DNA–rRNA hybridization and 16S rRNA sequence analysis places the genus in the family Comamonadaceae . Isolated from soil, sediment, activated sludge, crude oil, oil brine, water, and various clinical samples. The mol % G + C of the DNA is : 67–69. Type species : Delftia acidovorans (den Dooren de Jong 1926) Wen, Fegan, Hayward, Chakraborty and Sly 1999, 573 ( Pseudomonas acidovorans den Dooren de Jong 1926, 106; Comamonas acidovorans (den Dooren de Jong 1926) Tamaoka, Ha and Komagata 1987, 58.) Taxonomic and Nomenclature Notes According to the List of Prokaryotic names with Standing in Nomenclature (LPSN), the taxonomic status of the genus Delftia is: correct name (last update, February 2025) * . LPSN classification: Bacteria / Pseudomonadati / Pseudomonadota / Betaproteobacteria / Burkholderiales / Comamonadaceae / Delftia The genus Delftia can also be recovered in the Genome Taxonomy Database (GTDB) as g__Comamonas (version v220) ** . GTDB classification: d__Bacteria / p__Pseudomonadota / c__Gammaproteobacteria / o__Burkholderiales / f__Burkholderiaceae / g__Comamonas * Meier‐Kolthoff et al. ( 2022 ). Nucleic Acids Res , 50 , D801 – D807 ; DOI: 10.1093/nar/gkab902 **

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.

How this classification was reachedexpand

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)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.719
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
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 head0.011
GPT teacher head0.243
Teacher spread0.232 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designNot applicable
Domainnot available
GenreEmpirical

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".

Quick stats

Citations6
Published2015
Admission routes1
Has abstractyes

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