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Record W4416528490 · doi:10.1016/j.plipres.2025.101361

Properties and biochemistry of phosphatidylcholine: diacylglycerol cholinephosphotransferase

2025· article· en· W4416528490 on OpenAlex
Brandon A Ulch, Alyssa C. Clews, C. Reisiger, Li‐Hua Zhu, Robert T. Mullen, Matthew S. Kimber, Yang Xu

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.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueProgress in Lipid Research · 2025
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicLipid metabolism and biosynthesis
Canadian institutionsUniversity of Guelph
FundersNatural Sciences and Engineering Research Council of CanadaOntario Ministry of Agriculture, Food and Rural AffairsOntario Agri-Food Innovation AllianceUniversity of Guelph
KeywordsDiacylglycerol kinaseFatty acidArabidopsisGlycerolFatty acid desaturaseDiglycerideGene

Abstract

fetched live from OpenAlex

Plant oils, primarily composed of triacylglycerols (TAGs), are essential for both food and industrial applications. TAGs consist of three fatty acids esterified to a glycerol backbone, and their value and functionality are largely determined by their fatty acid composition. Hence, enhancing the fatty acid profile of plant oils is a primary focus for improving their economic and practical potential. Phosphatidylcholine: Diacylglycerol Cholinephosphotransferase (PDCT), encoded by the REDUCED OLEATE DESATURATION1 (ROD1) gene in Arabidopsis thaliana, catalyzes the interconversion between phosphatidylcholine, the site of fatty acid modification, and diacylglycerol, the precursor of TAG assembly. PDCT plays a key role in determining the fatty acid composition and quality of oils, making it an attractive target for engineering crops with tailored oil profiles. This review systematically examines the biochemical, genetic, and molecular biology research on PDCT over the past decades, focusing on its phylogeny, physiological roles, regulation, biochemical characterization, structural features, and biotechnological applications. We also analyze the predicted structure of PDCT, which suggests a domain-swapped homodimer configuration based on AlphaFold3 modeling, and we discuss potential catalytic mechanisms. Finally, we highlight key open questions in the field and propose future research directions.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.292
Threshold uncertainty score0.494

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
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 head0.031
GPT teacher head0.330
Teacher spread0.299 · 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