IFI-U · Tomatine Reduction-Umami

Specimen SS-F-UMA-766 // UMAMI · IFI-U

Tomatine Reduction-Umami I-PR-B

Solanum lycopersicum

Tomato

Tier ITomatine Reduction-Umami

Target Trait

1.49×

fold-change

Alpha-tomatine reduction / latent umami release index

Technical Specifications

SKU

SS-F-UMA-766

Genomic Edits

4

GC Content

48.5-54.5%

Construct Length

2,773 bp

Promoter System

Ubiquitin / T7

Expression System

Protoplast PEG-fusion

Host Strain

PEG-mediated

Receptor Target

mGluR1 / TAS1R1-TAS1R3

IFI Score

149

Pathway Edits

  • SlGAME1 glycoalkaloid metabolism 1 RNAi knockdown (75%) to suppress alpha-tomatine biosynthesis and reveal latent savory character in ripening fruit
  • SlGAME4 steroidal alkaloid gamma-solanine methyltransferase RNAi suppression (60%) to block upper tomatine pathway flux complementing GAME1 knockdown
  • SlGDH2 glutamate dehydrogenase isoform 2 upregulation for net free glutamate elevation simultaneously with tomatine removal for compounded umami enhancement
  • SlTOMA1 tomatidine acetyltransferase heterologous suppression to prevent tomatidine acetylation and shift any residual alkaloid toward inactive forms

Key Interventions

Alpha-tomatine bittering compound removal via GAME1/GAME4 RNAi for unmasking latent mGluR1 umami signal in tomato fruitGDH2 free glutamate elevation co-engineered with tomatine suppression for compounded umami intensity in finished productLOX1 off-note suppression for clean flavor unmasking after tomatine removal, ensuring revealed umami is not accompanied by aldehyde artifacts

IFI Subscale Profile

IFI Profile

IFI-S
—
IFI-U
149
IFI-B
—
IFI-K
—
IFI-C
—
IFI-P
—
IFI-A
—
IFI-F
—

Use Case

Processing tomatoes and specialty fresh-market varieties where bittering tomatine compounds mask natural umami character. Applicable to tomato paste, sauce, and fresh-cut products targeting enhanced natural savory profiles.

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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