IFI-A · Prodelphindin Enhancement

Specimen SS-F-AST-408 // ASTRINGENCY · IFI-A

Prodelphindin Enhancement I-IV-B

Vaccinium corymbosum

Blueberry

Tier IProdelphindin Enhancement

Target Trait

1.61×

fold-change

Gallocatechin-based proanthocyanidin (prodelphindin) accumulation

Technical Specifications

SKU

SS-F-AST-408

Genomic Edits

4

GC Content

46.0%

Construct Length

2,887 bp

Promoter System

T7/SP6 cell-free

Expression System

In-vitro cell-free

Host Strain

Cell-free

Receptor Target

Polyphenol-astringency axis

IFI Score

161

Pathway Edits

  • F3-5H overexpression (flavonoid 3',5'-hydroxylase) for 3,5-dihydroxyl ring B substitution
  • F3H upregulation (flavanone 3-hydroxylase) for dihydromyricetin precursor supply
  • ANR co-activation (anthocyanidin reductase) for gallocatechin extension unit formation
  • LAR alternative allele for leucodelphinidin reductase activity toward gallocatechin
  • DFR-alt selection for leucodelphinidin substrate preference over leucocyanidin
  • Cell-free wheat germ extract reconstitution system
  • Enhanced flux via 5'UTR synthetic leader sequence optimization

Key Interventions

F3-5H hydroxylation shift to 3',5'-dihydroxyl for prodelphindin unit biosynthesisGallocatechin precursor pool expansion via F3H/ANR co-activationDFR-alt allelic selection for prodelphindin branch preference over procyanidin pathwaySP6/T7 dual-polymerase cell-free transcription/translationVariant B enhanced: iterative codon optimization for host-matched expression

IFI Subscale Profile

IFI Profile

IFI-S
—
IFI-U
—
IFI-B
—
IFI-K
—
IFI-C
—
IFI-P
—
IFI-A
161
IFI-F
—

Use Case

Prodelphindin pathway research, blueberry polyphenol profile studies, entry-level PA hydroxylation engineering. Enhanced variant for premium or research-grade applications requiring peak astringency fidelity.

License

$349 · Tier I License

Includes full construct sequence, CRISPR guide designs, pathway edit specifications, flux balance analysis, and IFI validation data.

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