IFI-B · Tannic Acid Palatability Series

Specimen SS-F-BTR-707 // ZERO-BITTER · IFI-B

Tannic Acid · T4 Biolistic-A

Vitis vinifera

Grape

Tier IVTannic Acid Palatability Series

Target Trait

56%

% reduction

High-MW tannin reduction

Technical Specifications

SKU

SS-F-BTR-707

Genomic Edits

6

GC Content

45.6%

Construct Length

3,623 bp

Promoter System

UBI-1 / 35S CaMV

Expression System

Biolistic particle bombardment

Host Strain

Gold particle 0.6 µm

Receptor Target

TAS2R38 (suppression)

IFI Score

56

Pathway Edits

  • ANR anthocyanidin reductase RNAi reduces catechin/epicatechin extension units available for tannin polymerization
  • TT12 tonoplast multidrug transporter RNAi impairs vacuolar sequestration and stabilization of condensed tannins
  • LAR leucoanthocyanidin reductase RNAi reduces (+)-catechin monomer supply for proanthocyanidin polymerization

Key Interventions

ANR RNAi polymerization blockTT12 sequestration silencingLAR monomer suppression

IFI Subscale Profile

IFI Profile

IFI-S
—
IFI-U
—
IFI-B
56
IFI-K
—
IFI-C
—
IFI-P
—
IFI-A
—
IFI-F
—

Use Case

Tier IV Vitis vinifera lines with reduced condensed tannin load for palatable table grape production, low-astringency wine varieties, and grape-derived polyphenol extracts where TAS2R activation is undesirable.

License

$3999 · Tier IV License

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

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